| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.widget; |
| |
| import android.annotation.ColorInt; |
| import android.app.ActivityManager.StackId; |
| import android.app.ActivityOptions; |
| import android.app.ActivityThread; |
| import android.app.Application; |
| import android.app.PendingIntent; |
| import android.app.RemoteInput; |
| import android.appwidget.AppWidgetHostView; |
| import android.content.Context; |
| import android.content.ContextWrapper; |
| import android.content.Intent; |
| import android.content.IntentSender; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.res.ColorStateList; |
| import android.content.res.Configuration; |
| import android.content.res.Resources; |
| import android.content.res.TypedArray; |
| import android.graphics.Bitmap; |
| import android.graphics.PorterDuff; |
| import android.graphics.Rect; |
| import android.graphics.drawable.Drawable; |
| import android.graphics.drawable.Icon; |
| import android.net.Uri; |
| import android.os.AsyncTask; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.os.CancellationSignal; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| import android.os.StrictMode; |
| import android.os.UserHandle; |
| import android.text.TextUtils; |
| import android.util.ArrayMap; |
| import android.util.Log; |
| import android.view.LayoutInflater; |
| import android.view.LayoutInflater.Filter; |
| import android.view.RemotableViewMethod; |
| import android.view.View; |
| import android.view.View.OnClickListener; |
| import android.view.ViewGroup; |
| import android.widget.AdapterView.OnItemClickListener; |
| import libcore.util.Objects; |
| |
| import com.android.internal.R; |
| import com.android.internal.util.Preconditions; |
| |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| import java.lang.reflect.Method; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.concurrent.Executor; |
| |
| /** |
| * A class that describes a view hierarchy that can be displayed in |
| * another process. The hierarchy is inflated from a layout resource |
| * file, and this class provides some basic operations for modifying |
| * the content of the inflated hierarchy. |
| */ |
| public class RemoteViews implements Parcelable, Filter { |
| |
| private static final String LOG_TAG = "RemoteViews"; |
| |
| /** |
| * The intent extra that contains the appWidgetId. |
| * @hide |
| */ |
| static final String EXTRA_REMOTEADAPTER_APPWIDGET_ID = "remoteAdapterAppWidgetId"; |
| |
| /** |
| * Application that hosts the remote views. |
| * |
| * @hide |
| */ |
| private ApplicationInfo mApplication; |
| |
| /** |
| * The resource ID of the layout file. (Added to the parcel) |
| */ |
| private final int mLayoutId; |
| |
| /** |
| * An array of actions to perform on the view tree once it has been |
| * inflated |
| */ |
| private ArrayList<Action> mActions; |
| |
| /** |
| * A class to keep track of memory usage by this RemoteViews |
| */ |
| private MemoryUsageCounter mMemoryUsageCounter; |
| |
| /** |
| * Maps bitmaps to unique indicies to avoid Bitmap duplication. |
| */ |
| private BitmapCache mBitmapCache; |
| |
| /** |
| * Indicates whether or not this RemoteViews object is contained as a child of any other |
| * RemoteViews. |
| */ |
| private boolean mIsRoot = true; |
| |
| /** |
| * Constants to whether or not this RemoteViews is composed of a landscape and portrait |
| * RemoteViews. |
| */ |
| private static final int MODE_NORMAL = 0; |
| private static final int MODE_HAS_LANDSCAPE_AND_PORTRAIT = 1; |
| |
| /** |
| * Used in conjunction with the special constructor |
| * {@link #RemoteViews(RemoteViews, RemoteViews)} to keep track of the landscape and portrait |
| * RemoteViews. |
| */ |
| private RemoteViews mLandscape = null; |
| private RemoteViews mPortrait = null; |
| |
| /** |
| * This flag indicates whether this RemoteViews object is being created from a |
| * RemoteViewsService for use as a child of a widget collection. This flag is used |
| * to determine whether or not certain features are available, in particular, |
| * setting on click extras and setting on click pending intents. The former is enabled, |
| * and the latter disabled when this flag is true. |
| */ |
| private boolean mIsWidgetCollectionChild = false; |
| |
| private static final OnClickHandler DEFAULT_ON_CLICK_HANDLER = new OnClickHandler(); |
| |
| private static final Object[] sMethodsLock = new Object[0]; |
| private static final ArrayMap<Class<? extends View>, ArrayMap<MutablePair<String, Class<?>>, Method>> sMethods = |
| new ArrayMap<Class<? extends View>, ArrayMap<MutablePair<String, Class<?>>, Method>>(); |
| private static final ArrayMap<Method, Method> sAsyncMethods = new ArrayMap<>(); |
| |
| private static final ThreadLocal<Object[]> sInvokeArgsTls = new ThreadLocal<Object[]>() { |
| @Override |
| protected Object[] initialValue() { |
| return new Object[1]; |
| } |
| }; |
| |
| /** |
| * @hide |
| */ |
| public void setRemoteInputs(int viewId, RemoteInput[] remoteInputs) { |
| mActions.add(new SetRemoteInputsAction(viewId, remoteInputs)); |
| } |
| |
| /** |
| * Handle with care! |
| */ |
| static class MutablePair<F, S> { |
| F first; |
| S second; |
| |
| MutablePair(F first, S second) { |
| this.first = first; |
| this.second = second; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (!(o instanceof MutablePair)) { |
| return false; |
| } |
| MutablePair<?, ?> p = (MutablePair<?, ?>) o; |
| return Objects.equal(p.first, first) && Objects.equal(p.second, second); |
| } |
| |
| @Override |
| public int hashCode() { |
| return (first == null ? 0 : first.hashCode()) ^ (second == null ? 0 : second.hashCode()); |
| } |
| } |
| |
| /** |
| * This pair is used to perform lookups in sMethods without causing allocations. |
| */ |
| private final MutablePair<String, Class<?>> mPair = |
| new MutablePair<String, Class<?>>(null, null); |
| |
| /** |
| * This annotation indicates that a subclass of View is alllowed to be used |
| * with the {@link RemoteViews} mechanism. |
| */ |
| @Target({ ElementType.TYPE }) |
| @Retention(RetentionPolicy.RUNTIME) |
| public @interface RemoteView { |
| } |
| |
| /** |
| * Exception to send when something goes wrong executing an action |
| * |
| */ |
| public static class ActionException extends RuntimeException { |
| public ActionException(Exception ex) { |
| super(ex); |
| } |
| public ActionException(String message) { |
| super(message); |
| } |
| } |
| |
| /** @hide */ |
| public static class OnClickHandler { |
| |
| private int mEnterAnimationId; |
| |
| public boolean onClickHandler(View view, PendingIntent pendingIntent, |
| Intent fillInIntent) { |
| return onClickHandler(view, pendingIntent, fillInIntent, StackId.INVALID_STACK_ID); |
| } |
| |
| public boolean onClickHandler(View view, PendingIntent pendingIntent, |
| Intent fillInIntent, int launchStackId) { |
| try { |
| // TODO: Unregister this handler if PendingIntent.FLAG_ONE_SHOT? |
| Context context = view.getContext(); |
| ActivityOptions opts; |
| if (mEnterAnimationId != 0) { |
| opts = ActivityOptions.makeCustomAnimation(context, mEnterAnimationId, 0); |
| } else { |
| opts = ActivityOptions.makeScaleUpAnimation(view, |
| 0, 0, |
| view.getMeasuredWidth(), view.getMeasuredHeight()); |
| } |
| |
| if (launchStackId != StackId.INVALID_STACK_ID) { |
| opts.setLaunchStackId(launchStackId); |
| } |
| context.startIntentSender( |
| pendingIntent.getIntentSender(), fillInIntent, |
| Intent.FLAG_ACTIVITY_NEW_TASK, |
| Intent.FLAG_ACTIVITY_NEW_TASK, 0, opts.toBundle()); |
| } catch (IntentSender.SendIntentException e) { |
| android.util.Log.e(LOG_TAG, "Cannot send pending intent: ", e); |
| return false; |
| } catch (Exception e) { |
| android.util.Log.e(LOG_TAG, "Cannot send pending intent due to " + |
| "unknown exception: ", e); |
| return false; |
| } |
| return true; |
| } |
| |
| public void setEnterAnimationId(int enterAnimationId) { |
| mEnterAnimationId = enterAnimationId; |
| } |
| } |
| |
| /** |
| * Base class for all actions that can be performed on an |
| * inflated view. |
| * |
| * SUBCLASSES MUST BE IMMUTABLE SO CLONE WORKS!!!!! |
| */ |
| private abstract static class Action implements Parcelable { |
| public abstract void apply(View root, ViewGroup rootParent, |
| OnClickHandler handler) throws ActionException; |
| |
| public static final int MERGE_REPLACE = 0; |
| public static final int MERGE_APPEND = 1; |
| public static final int MERGE_IGNORE = 2; |
| |
| public int describeContents() { |
| return 0; |
| } |
| |
| /** |
| * Overridden by each class to report on it's own memory usage |
| */ |
| public void updateMemoryUsageEstimate(MemoryUsageCounter counter) { |
| // We currently only calculate Bitmap memory usage, so by default, |
| // don't do anything here |
| } |
| |
| public void setBitmapCache(BitmapCache bitmapCache) { |
| // Do nothing |
| } |
| |
| public int mergeBehavior() { |
| return MERGE_REPLACE; |
| } |
| |
| public abstract String getActionName(); |
| |
| public String getUniqueKey() { |
| return (getActionName() + viewId); |
| } |
| |
| /** |
| * This is called on the background thread. It should perform any non-ui computations |
| * and return the final action which will run on the UI thread. |
| * Override this if some of the tasks can be performed async. |
| */ |
| public Action initActionAsync(ViewTree root, ViewGroup rootParent, OnClickHandler handler) { |
| return this; |
| } |
| |
| int viewId; |
| } |
| |
| /** |
| * Action class used during async inflation of RemoteViews. Subclasses are not parcelable. |
| */ |
| private static abstract class RuntimeAction extends Action { |
| @Override |
| public final String getActionName() { |
| return "RuntimeAction"; |
| } |
| |
| @Override |
| public final void writeToParcel(Parcel dest, int flags) { |
| throw new UnsupportedOperationException(); |
| } |
| } |
| |
| // Constant used during async execution. It is not parcelable. |
| private static final Action ACTION_NOOP = new RuntimeAction() { |
| @Override |
| public void apply(View root, ViewGroup rootParent, OnClickHandler handler) { } |
| }; |
| |
| /** |
| * Merges the passed RemoteViews actions with this RemoteViews actions according to |
| * action-specific merge rules. |
| * |
| * @param newRv |
| * |
| * @hide |
| */ |
| public void mergeRemoteViews(RemoteViews newRv) { |
| if (newRv == null) return; |
| // We first copy the new RemoteViews, as the process of merging modifies the way the actions |
| // reference the bitmap cache. We don't want to modify the object as it may need to |
| // be merged and applied multiple times. |
| RemoteViews copy = newRv.clone(); |
| |
| HashMap<String, Action> map = new HashMap<String, Action>(); |
| if (mActions == null) { |
| mActions = new ArrayList<Action>(); |
| } |
| |
| int count = mActions.size(); |
| for (int i = 0; i < count; i++) { |
| Action a = mActions.get(i); |
| map.put(a.getUniqueKey(), a); |
| } |
| |
| ArrayList<Action> newActions = copy.mActions; |
| if (newActions == null) return; |
| count = newActions.size(); |
| for (int i = 0; i < count; i++) { |
| Action a = newActions.get(i); |
| String key = newActions.get(i).getUniqueKey(); |
| int mergeBehavior = newActions.get(i).mergeBehavior(); |
| if (map.containsKey(key) && mergeBehavior == Action.MERGE_REPLACE) { |
| mActions.remove(map.get(key)); |
| map.remove(key); |
| } |
| |
| // If the merge behavior is ignore, we don't bother keeping the extra action |
| if (mergeBehavior == Action.MERGE_REPLACE || mergeBehavior == Action.MERGE_APPEND) { |
| mActions.add(a); |
| } |
| } |
| |
| // Because pruning can remove the need for bitmaps, we reconstruct the bitmap cache |
| mBitmapCache = new BitmapCache(); |
| setBitmapCache(mBitmapCache); |
| } |
| |
| private class SetEmptyView extends Action { |
| int viewId; |
| int emptyViewId; |
| |
| public final static int TAG = 6; |
| |
| SetEmptyView(int viewId, int emptyViewId) { |
| this.viewId = viewId; |
| this.emptyViewId = emptyViewId; |
| } |
| |
| SetEmptyView(Parcel in) { |
| this.viewId = in.readInt(); |
| this.emptyViewId = in.readInt(); |
| } |
| |
| public void writeToParcel(Parcel out, int flags) { |
| out.writeInt(TAG); |
| out.writeInt(this.viewId); |
| out.writeInt(this.emptyViewId); |
| } |
| |
| @Override |
| public void apply(View root, ViewGroup rootParent, OnClickHandler handler) { |
| final View view = root.findViewById(viewId); |
| if (!(view instanceof AdapterView<?>)) return; |
| |
| AdapterView<?> adapterView = (AdapterView<?>) view; |
| |
| final View emptyView = root.findViewById(emptyViewId); |
| if (emptyView == null) return; |
| |
| adapterView.setEmptyView(emptyView); |
| } |
| |
| public String getActionName() { |
| return "SetEmptyView"; |
| } |
| } |
| |
| private class SetOnClickFillInIntent extends Action { |
| public SetOnClickFillInIntent(int id, Intent fillInIntent) { |
| this.viewId = id; |
| this.fillInIntent = fillInIntent; |
| } |
| |
| public SetOnClickFillInIntent(Parcel parcel) { |
| viewId = parcel.readInt(); |
| fillInIntent = Intent.CREATOR.createFromParcel(parcel); |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(TAG); |
| dest.writeInt(viewId); |
| fillInIntent.writeToParcel(dest, 0 /* no flags */); |
| } |
| |
| @Override |
| public void apply(View root, ViewGroup rootParent, final OnClickHandler handler) { |
| final View target = root.findViewById(viewId); |
| if (target == null) return; |
| |
| if (!mIsWidgetCollectionChild) { |
| Log.e(LOG_TAG, "The method setOnClickFillInIntent is available " + |
| "only from RemoteViewsFactory (ie. on collection items)."); |
| return; |
| } |
| if (target == root) { |
| target.setTagInternal(com.android.internal.R.id.fillInIntent, fillInIntent); |
| } else if (fillInIntent != null) { |
| OnClickListener listener = new OnClickListener() { |
| public void onClick(View v) { |
| // Insure that this view is a child of an AdapterView |
| View parent = (View) v.getParent(); |
| // Break the for loop on the first encounter of: |
| // 1) an AdapterView, |
| // 2) an AppWidgetHostView that is not a RemoteViewsFrameLayout, or |
| // 3) a null parent. |
| // 2) and 3) are unexpected and catch the case where a child is not |
| // correctly parented in an AdapterView. |
| while (parent != null && !(parent instanceof AdapterView<?>) |
| && !((parent instanceof AppWidgetHostView) && |
| !(parent instanceof RemoteViewsAdapter.RemoteViewsFrameLayout))) { |
| parent = (View) parent.getParent(); |
| } |
| |
| if (!(parent instanceof AdapterView<?>)) { |
| // Somehow they've managed to get this far without having |
| // and AdapterView as a parent. |
| Log.e(LOG_TAG, "Collection item doesn't have AdapterView parent"); |
| return; |
| } |
| |
| // Insure that a template pending intent has been set on an ancestor |
| if (!(parent.getTag() instanceof PendingIntent)) { |
| Log.e(LOG_TAG, "Attempting setOnClickFillInIntent without" + |
| " calling setPendingIntentTemplate on parent."); |
| return; |
| } |
| |
| PendingIntent pendingIntent = (PendingIntent) parent.getTag(); |
| |
| final Rect rect = getSourceBounds(v); |
| |
| fillInIntent.setSourceBounds(rect); |
| handler.onClickHandler(v, pendingIntent, fillInIntent); |
| } |
| |
| }; |
| target.setOnClickListener(listener); |
| } |
| } |
| |
| public String getActionName() { |
| return "SetOnClickFillInIntent"; |
| } |
| |
| Intent fillInIntent; |
| |
| public final static int TAG = 9; |
| } |
| |
| private class SetPendingIntentTemplate extends Action { |
| public SetPendingIntentTemplate(int id, PendingIntent pendingIntentTemplate) { |
| this.viewId = id; |
| this.pendingIntentTemplate = pendingIntentTemplate; |
| } |
| |
| public SetPendingIntentTemplate(Parcel parcel) { |
| viewId = parcel.readInt(); |
| pendingIntentTemplate = PendingIntent.readPendingIntentOrNullFromParcel(parcel); |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(TAG); |
| dest.writeInt(viewId); |
| pendingIntentTemplate.writeToParcel(dest, 0 /* no flags */); |
| } |
| |
| @Override |
| public void apply(View root, ViewGroup rootParent, final OnClickHandler handler) { |
| final View target = root.findViewById(viewId); |
| if (target == null) return; |
| |
| // If the view isn't an AdapterView, setting a PendingIntent template doesn't make sense |
| if (target instanceof AdapterView<?>) { |
| AdapterView<?> av = (AdapterView<?>) target; |
| // The PendingIntent template is stored in the view's tag. |
| OnItemClickListener listener = new OnItemClickListener() { |
| public void onItemClick(AdapterView<?> parent, View view, |
| int position, long id) { |
| // The view should be a frame layout |
| if (view instanceof ViewGroup) { |
| ViewGroup vg = (ViewGroup) view; |
| |
| // AdapterViews contain their children in a frame |
| // so we need to go one layer deeper here. |
| if (parent instanceof AdapterViewAnimator) { |
| vg = (ViewGroup) vg.getChildAt(0); |
| } |
| if (vg == null) return; |
| |
| Intent fillInIntent = null; |
| int childCount = vg.getChildCount(); |
| for (int i = 0; i < childCount; i++) { |
| Object tag = vg.getChildAt(i).getTag(com.android.internal.R.id.fillInIntent); |
| if (tag instanceof Intent) { |
| fillInIntent = (Intent) tag; |
| break; |
| } |
| } |
| if (fillInIntent == null) return; |
| |
| final Rect rect = getSourceBounds(view); |
| |
| final Intent intent = new Intent(); |
| intent.setSourceBounds(rect); |
| handler.onClickHandler(view, pendingIntentTemplate, fillInIntent); |
| } |
| } |
| }; |
| av.setOnItemClickListener(listener); |
| av.setTag(pendingIntentTemplate); |
| } else { |
| Log.e(LOG_TAG, "Cannot setPendingIntentTemplate on a view which is not" + |
| "an AdapterView (id: " + viewId + ")"); |
| return; |
| } |
| } |
| |
| public String getActionName() { |
| return "SetPendingIntentTemplate"; |
| } |
| |
| PendingIntent pendingIntentTemplate; |
| |
| public final static int TAG = 8; |
| } |
| |
| private class SetRemoteViewsAdapterList extends Action { |
| public SetRemoteViewsAdapterList(int id, ArrayList<RemoteViews> list, int viewTypeCount) { |
| this.viewId = id; |
| this.list = list; |
| this.viewTypeCount = viewTypeCount; |
| } |
| |
| public SetRemoteViewsAdapterList(Parcel parcel) { |
| viewId = parcel.readInt(); |
| viewTypeCount = parcel.readInt(); |
| int count = parcel.readInt(); |
| list = new ArrayList<RemoteViews>(); |
| |
| for (int i = 0; i < count; i++) { |
| RemoteViews rv = RemoteViews.CREATOR.createFromParcel(parcel); |
| list.add(rv); |
| } |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(TAG); |
| dest.writeInt(viewId); |
| dest.writeInt(viewTypeCount); |
| |
| if (list == null || list.size() == 0) { |
| dest.writeInt(0); |
| } else { |
| int count = list.size(); |
| dest.writeInt(count); |
| for (int i = 0; i < count; i++) { |
| RemoteViews rv = list.get(i); |
| rv.writeToParcel(dest, flags); |
| } |
| } |
| } |
| |
| @Override |
| public void apply(View root, ViewGroup rootParent, OnClickHandler handler) { |
| final View target = root.findViewById(viewId); |
| if (target == null) return; |
| |
| // Ensure that we are applying to an AppWidget root |
| if (!(rootParent instanceof AppWidgetHostView)) { |
| Log.e(LOG_TAG, "SetRemoteViewsAdapterIntent action can only be used for " + |
| "AppWidgets (root id: " + viewId + ")"); |
| return; |
| } |
| // Ensure that we are calling setRemoteAdapter on an AdapterView that supports it |
| if (!(target instanceof AbsListView) && !(target instanceof AdapterViewAnimator)) { |
| Log.e(LOG_TAG, "Cannot setRemoteViewsAdapter on a view which is not " + |
| "an AbsListView or AdapterViewAnimator (id: " + viewId + ")"); |
| return; |
| } |
| |
| if (target instanceof AbsListView) { |
| AbsListView v = (AbsListView) target; |
| Adapter a = v.getAdapter(); |
| if (a instanceof RemoteViewsListAdapter && viewTypeCount <= a.getViewTypeCount()) { |
| ((RemoteViewsListAdapter) a).setViewsList(list); |
| } else { |
| v.setAdapter(new RemoteViewsListAdapter(v.getContext(), list, viewTypeCount)); |
| } |
| } else if (target instanceof AdapterViewAnimator) { |
| AdapterViewAnimator v = (AdapterViewAnimator) target; |
| Adapter a = v.getAdapter(); |
| if (a instanceof RemoteViewsListAdapter && viewTypeCount <= a.getViewTypeCount()) { |
| ((RemoteViewsListAdapter) a).setViewsList(list); |
| } else { |
| v.setAdapter(new RemoteViewsListAdapter(v.getContext(), list, viewTypeCount)); |
| } |
| } |
| } |
| |
| public String getActionName() { |
| return "SetRemoteViewsAdapterList"; |
| } |
| |
| int viewTypeCount; |
| ArrayList<RemoteViews> list; |
| public final static int TAG = 15; |
| } |
| |
| private class SetRemoteViewsAdapterIntent extends Action { |
| public SetRemoteViewsAdapterIntent(int id, Intent intent) { |
| this.viewId = id; |
| this.intent = intent; |
| } |
| |
| public SetRemoteViewsAdapterIntent(Parcel parcel) { |
| viewId = parcel.readInt(); |
| intent = Intent.CREATOR.createFromParcel(parcel); |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(TAG); |
| dest.writeInt(viewId); |
| intent.writeToParcel(dest, flags); |
| } |
| |
| @Override |
| public void apply(View root, ViewGroup rootParent, OnClickHandler handler) { |
| final View target = root.findViewById(viewId); |
| if (target == null) return; |
| |
| // Ensure that we are applying to an AppWidget root |
| if (!(rootParent instanceof AppWidgetHostView)) { |
| Log.e(LOG_TAG, "SetRemoteViewsAdapterIntent action can only be used for " + |
| "AppWidgets (root id: " + viewId + ")"); |
| return; |
| } |
| // Ensure that we are calling setRemoteAdapter on an AdapterView that supports it |
| if (!(target instanceof AbsListView) && !(target instanceof AdapterViewAnimator)) { |
| Log.e(LOG_TAG, "Cannot setRemoteViewsAdapter on a view which is not " + |
| "an AbsListView or AdapterViewAnimator (id: " + viewId + ")"); |
| return; |
| } |
| |
| // Embed the AppWidget Id for use in RemoteViewsAdapter when connecting to the intent |
| // RemoteViewsService |
| AppWidgetHostView host = (AppWidgetHostView) rootParent; |
| intent.putExtra(EXTRA_REMOTEADAPTER_APPWIDGET_ID, host.getAppWidgetId()); |
| if (target instanceof AbsListView) { |
| AbsListView v = (AbsListView) target; |
| v.setRemoteViewsAdapter(intent); |
| v.setRemoteViewsOnClickHandler(handler); |
| } else if (target instanceof AdapterViewAnimator) { |
| AdapterViewAnimator v = (AdapterViewAnimator) target; |
| v.setRemoteViewsAdapter(intent); |
| v.setRemoteViewsOnClickHandler(handler); |
| } |
| } |
| |
| public String getActionName() { |
| return "SetRemoteViewsAdapterIntent"; |
| } |
| |
| Intent intent; |
| |
| public final static int TAG = 10; |
| } |
| |
| /** |
| * Equivalent to calling |
| * {@link android.view.View#setOnClickListener(android.view.View.OnClickListener)} |
| * to launch the provided {@link PendingIntent}. |
| */ |
| private class SetOnClickPendingIntent extends Action { |
| public SetOnClickPendingIntent(int id, PendingIntent pendingIntent) { |
| this.viewId = id; |
| this.pendingIntent = pendingIntent; |
| } |
| |
| public SetOnClickPendingIntent(Parcel parcel) { |
| viewId = parcel.readInt(); |
| |
| // We check a flag to determine if the parcel contains a PendingIntent. |
| if (parcel.readInt() != 0) { |
| pendingIntent = PendingIntent.readPendingIntentOrNullFromParcel(parcel); |
| } |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(TAG); |
| dest.writeInt(viewId); |
| |
| // We use a flag to indicate whether the parcel contains a valid object. |
| dest.writeInt(pendingIntent != null ? 1 : 0); |
| if (pendingIntent != null) { |
| pendingIntent.writeToParcel(dest, 0 /* no flags */); |
| } |
| } |
| |
| @Override |
| public void apply(View root, ViewGroup rootParent, final OnClickHandler handler) { |
| final View target = root.findViewById(viewId); |
| if (target == null) return; |
| |
| // If the view is an AdapterView, setting a PendingIntent on click doesn't make much |
| // sense, do they mean to set a PendingIntent template for the AdapterView's children? |
| if (mIsWidgetCollectionChild) { |
| Log.w(LOG_TAG, "Cannot setOnClickPendingIntent for collection item " + |
| "(id: " + viewId + ")"); |
| ApplicationInfo appInfo = root.getContext().getApplicationInfo(); |
| |
| // We let this slide for HC and ICS so as to not break compatibility. It should have |
| // been disabled from the outset, but was left open by accident. |
| if (appInfo != null && |
| appInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { |
| return; |
| } |
| } |
| |
| // If the pendingIntent is null, we clear the onClickListener |
| OnClickListener listener = null; |
| if (pendingIntent != null) { |
| listener = new OnClickListener() { |
| public void onClick(View v) { |
| // Find target view location in screen coordinates and |
| // fill into PendingIntent before sending. |
| final Rect rect = getSourceBounds(v); |
| |
| final Intent intent = new Intent(); |
| intent.setSourceBounds(rect); |
| handler.onClickHandler(v, pendingIntent, intent); |
| } |
| }; |
| } |
| target.setOnClickListener(listener); |
| } |
| |
| public String getActionName() { |
| return "SetOnClickPendingIntent"; |
| } |
| |
| PendingIntent pendingIntent; |
| |
| public final static int TAG = 1; |
| } |
| |
| private static Rect getSourceBounds(View v) { |
| final float appScale = v.getContext().getResources() |
| .getCompatibilityInfo().applicationScale; |
| final int[] pos = new int[2]; |
| v.getLocationOnScreen(pos); |
| |
| final Rect rect = new Rect(); |
| rect.left = (int) (pos[0] * appScale + 0.5f); |
| rect.top = (int) (pos[1] * appScale + 0.5f); |
| rect.right = (int) ((pos[0] + v.getWidth()) * appScale + 0.5f); |
| rect.bottom = (int) ((pos[1] + v.getHeight()) * appScale + 0.5f); |
| return rect; |
| } |
| |
| private Method getMethod(View view, String methodName, Class<?> paramType) { |
| Method method; |
| Class<? extends View> klass = view.getClass(); |
| |
| synchronized (sMethodsLock) { |
| ArrayMap<MutablePair<String, Class<?>>, Method> methods = sMethods.get(klass); |
| if (methods == null) { |
| methods = new ArrayMap<MutablePair<String, Class<?>>, Method>(); |
| sMethods.put(klass, methods); |
| } |
| |
| mPair.first = methodName; |
| mPair.second = paramType; |
| |
| method = methods.get(mPair); |
| if (method == null) { |
| try { |
| if (paramType == null) { |
| method = klass.getMethod(methodName); |
| } else { |
| method = klass.getMethod(methodName, paramType); |
| } |
| } catch (NoSuchMethodException ex) { |
| throw new ActionException("view: " + klass.getName() + " doesn't have method: " |
| + methodName + getParameters(paramType)); |
| } |
| |
| if (!method.isAnnotationPresent(RemotableViewMethod.class)) { |
| throw new ActionException("view: " + klass.getName() |
| + " can't use method with RemoteViews: " |
| + methodName + getParameters(paramType)); |
| } |
| |
| methods.put(new MutablePair<String, Class<?>>(methodName, paramType), method); |
| } |
| } |
| |
| return method; |
| } |
| |
| /** |
| * @return the async implementation of the provided method. |
| */ |
| private Method getAsyncMethod(Method method) { |
| synchronized (sAsyncMethods) { |
| int valueIndex = sAsyncMethods.indexOfKey(method); |
| if (valueIndex >= 0) { |
| return sAsyncMethods.valueAt(valueIndex); |
| } |
| |
| RemotableViewMethod annotation = method.getAnnotation(RemotableViewMethod.class); |
| Method asyncMethod = null; |
| if (!annotation.asyncImpl().isEmpty()) { |
| try { |
| asyncMethod = method.getDeclaringClass() |
| .getMethod(annotation.asyncImpl(), method.getParameterTypes()); |
| if (!asyncMethod.getReturnType().equals(Runnable.class)) { |
| throw new ActionException("Async implementation for " + method.getName() + |
| " does not return a Runnable"); |
| } |
| } catch (NoSuchMethodException ex) { |
| throw new ActionException("Async implementation declared but not defined for " + |
| method.getName()); |
| } |
| } |
| sAsyncMethods.put(method, asyncMethod); |
| return asyncMethod; |
| } |
| } |
| |
| private static String getParameters(Class<?> paramType) { |
| if (paramType == null) return "()"; |
| return "(" + paramType + ")"; |
| } |
| |
| private static Object[] wrapArg(Object value) { |
| Object[] args = sInvokeArgsTls.get(); |
| args[0] = value; |
| return args; |
| } |
| |
| /** |
| * Equivalent to calling a combination of {@link Drawable#setAlpha(int)}, |
| * {@link Drawable#setColorFilter(int, android.graphics.PorterDuff.Mode)}, |
| * and/or {@link Drawable#setLevel(int)} on the {@link Drawable} of a given view. |
| * <p> |
| * These operations will be performed on the {@link Drawable} returned by the |
| * target {@link View#getBackground()} by default. If targetBackground is false, |
| * we assume the target is an {@link ImageView} and try applying the operations |
| * to {@link ImageView#getDrawable()}. |
| * <p> |
| * You can omit specific calls by marking their values with null or -1. |
| */ |
| private class SetDrawableParameters extends Action { |
| public SetDrawableParameters(int id, boolean targetBackground, int alpha, |
| int colorFilter, PorterDuff.Mode mode, int level) { |
| this.viewId = id; |
| this.targetBackground = targetBackground; |
| this.alpha = alpha; |
| this.colorFilter = colorFilter; |
| this.filterMode = mode; |
| this.level = level; |
| } |
| |
| public SetDrawableParameters(Parcel parcel) { |
| viewId = parcel.readInt(); |
| targetBackground = parcel.readInt() != 0; |
| alpha = parcel.readInt(); |
| colorFilter = parcel.readInt(); |
| boolean hasMode = parcel.readInt() != 0; |
| if (hasMode) { |
| filterMode = PorterDuff.Mode.valueOf(parcel.readString()); |
| } else { |
| filterMode = null; |
| } |
| level = parcel.readInt(); |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(TAG); |
| dest.writeInt(viewId); |
| dest.writeInt(targetBackground ? 1 : 0); |
| dest.writeInt(alpha); |
| dest.writeInt(colorFilter); |
| if (filterMode != null) { |
| dest.writeInt(1); |
| dest.writeString(filterMode.toString()); |
| } else { |
| dest.writeInt(0); |
| } |
| dest.writeInt(level); |
| } |
| |
| @Override |
| public void apply(View root, ViewGroup rootParent, OnClickHandler handler) { |
| final View target = root.findViewById(viewId); |
| if (target == null) return; |
| |
| // Pick the correct drawable to modify for this view |
| Drawable targetDrawable = null; |
| if (targetBackground) { |
| targetDrawable = target.getBackground(); |
| } else if (target instanceof ImageView) { |
| ImageView imageView = (ImageView) target; |
| targetDrawable = imageView.getDrawable(); |
| } |
| |
| if (targetDrawable != null) { |
| // Perform modifications only if values are set correctly |
| if (alpha != -1) { |
| targetDrawable.mutate().setAlpha(alpha); |
| } |
| if (filterMode != null) { |
| targetDrawable.mutate().setColorFilter(colorFilter, filterMode); |
| } |
| if (level != -1) { |
| targetDrawable.mutate().setLevel(level); |
| } |
| } |
| } |
| |
| public String getActionName() { |
| return "SetDrawableParameters"; |
| } |
| |
| boolean targetBackground; |
| int alpha; |
| int colorFilter; |
| PorterDuff.Mode filterMode; |
| int level; |
| |
| public final static int TAG = 3; |
| } |
| |
| private final class ReflectionActionWithoutParams extends Action { |
| final String methodName; |
| |
| public final static int TAG = 5; |
| |
| ReflectionActionWithoutParams(int viewId, String methodName) { |
| this.viewId = viewId; |
| this.methodName = methodName; |
| } |
| |
| ReflectionActionWithoutParams(Parcel in) { |
| this.viewId = in.readInt(); |
| this.methodName = in.readString(); |
| } |
| |
| public void writeToParcel(Parcel out, int flags) { |
| out.writeInt(TAG); |
| out.writeInt(this.viewId); |
| out.writeString(this.methodName); |
| } |
| |
| @Override |
| public void apply(View root, ViewGroup rootParent, OnClickHandler handler) { |
| final View view = root.findViewById(viewId); |
| if (view == null) return; |
| |
| try { |
| getMethod(view, this.methodName, null).invoke(view); |
| } catch (ActionException e) { |
| throw e; |
| } catch (Exception ex) { |
| throw new ActionException(ex); |
| } |
| } |
| |
| public int mergeBehavior() { |
| // we don't need to build up showNext or showPrevious calls |
| if (methodName.equals("showNext") || methodName.equals("showPrevious")) { |
| return MERGE_IGNORE; |
| } else { |
| return MERGE_REPLACE; |
| } |
| } |
| |
| public String getActionName() { |
| return "ReflectionActionWithoutParams"; |
| } |
| } |
| |
| private static class BitmapCache { |
| ArrayList<Bitmap> mBitmaps; |
| |
| public BitmapCache() { |
| mBitmaps = new ArrayList<Bitmap>(); |
| } |
| |
| public BitmapCache(Parcel source) { |
| int count = source.readInt(); |
| mBitmaps = new ArrayList<Bitmap>(); |
| for (int i = 0; i < count; i++) { |
| Bitmap b = Bitmap.CREATOR.createFromParcel(source); |
| mBitmaps.add(b); |
| } |
| } |
| |
| public int getBitmapId(Bitmap b) { |
| if (b == null) { |
| return -1; |
| } else { |
| if (mBitmaps.contains(b)) { |
| return mBitmaps.indexOf(b); |
| } else { |
| mBitmaps.add(b); |
| return (mBitmaps.size() - 1); |
| } |
| } |
| } |
| |
| public Bitmap getBitmapForId(int id) { |
| if (id == -1 || id >= mBitmaps.size()) { |
| return null; |
| } else { |
| return mBitmaps.get(id); |
| } |
| } |
| |
| public void writeBitmapsToParcel(Parcel dest, int flags) { |
| int count = mBitmaps.size(); |
| dest.writeInt(count); |
| for (int i = 0; i < count; i++) { |
| mBitmaps.get(i).writeToParcel(dest, flags); |
| } |
| } |
| |
| public void assimilate(BitmapCache bitmapCache) { |
| ArrayList<Bitmap> bitmapsToBeAdded = bitmapCache.mBitmaps; |
| int count = bitmapsToBeAdded.size(); |
| for (int i = 0; i < count; i++) { |
| Bitmap b = bitmapsToBeAdded.get(i); |
| if (!mBitmaps.contains(b)) { |
| mBitmaps.add(b); |
| } |
| } |
| } |
| |
| public void addBitmapMemory(MemoryUsageCounter memoryCounter) { |
| for (int i = 0; i < mBitmaps.size(); i++) { |
| memoryCounter.addBitmapMemory(mBitmaps.get(i)); |
| } |
| } |
| |
| @Override |
| protected BitmapCache clone() { |
| BitmapCache bitmapCache = new BitmapCache(); |
| bitmapCache.mBitmaps.addAll(mBitmaps); |
| return bitmapCache; |
| } |
| } |
| |
| private class BitmapReflectionAction extends Action { |
| int bitmapId; |
| Bitmap bitmap; |
| String methodName; |
| |
| BitmapReflectionAction(int viewId, String methodName, Bitmap bitmap) { |
| this.bitmap = bitmap; |
| this.viewId = viewId; |
| this.methodName = methodName; |
| bitmapId = mBitmapCache.getBitmapId(bitmap); |
| } |
| |
| BitmapReflectionAction(Parcel in) { |
| viewId = in.readInt(); |
| methodName = in.readString(); |
| bitmapId = in.readInt(); |
| bitmap = mBitmapCache.getBitmapForId(bitmapId); |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(TAG); |
| dest.writeInt(viewId); |
| dest.writeString(methodName); |
| dest.writeInt(bitmapId); |
| } |
| |
| @Override |
| public void apply(View root, ViewGroup rootParent, |
| OnClickHandler handler) throws ActionException { |
| ReflectionAction ra = new ReflectionAction(viewId, methodName, ReflectionAction.BITMAP, |
| bitmap); |
| ra.apply(root, rootParent, handler); |
| } |
| |
| @Override |
| public void setBitmapCache(BitmapCache bitmapCache) { |
| bitmapId = bitmapCache.getBitmapId(bitmap); |
| } |
| |
| public String getActionName() { |
| return "BitmapReflectionAction"; |
| } |
| |
| public final static int TAG = 12; |
| } |
| |
| /** |
| * Base class for the reflection actions. |
| */ |
| private final class ReflectionAction extends Action { |
| static final int TAG = 2; |
| |
| static final int BOOLEAN = 1; |
| static final int BYTE = 2; |
| static final int SHORT = 3; |
| static final int INT = 4; |
| static final int LONG = 5; |
| static final int FLOAT = 6; |
| static final int DOUBLE = 7; |
| static final int CHAR = 8; |
| static final int STRING = 9; |
| static final int CHAR_SEQUENCE = 10; |
| static final int URI = 11; |
| // BITMAP actions are never stored in the list of actions. They are only used locally |
| // to implement BitmapReflectionAction, which eliminates duplicates using BitmapCache. |
| static final int BITMAP = 12; |
| static final int BUNDLE = 13; |
| static final int INTENT = 14; |
| static final int COLOR_STATE_LIST = 15; |
| static final int ICON = 16; |
| |
| String methodName; |
| int type; |
| Object value; |
| |
| ReflectionAction(int viewId, String methodName, int type, Object value) { |
| this.viewId = viewId; |
| this.methodName = methodName; |
| this.type = type; |
| this.value = value; |
| } |
| |
| ReflectionAction(Parcel in) { |
| this.viewId = in.readInt(); |
| this.methodName = in.readString(); |
| this.type = in.readInt(); |
| //noinspection ConstantIfStatement |
| if (false) { |
| Log.d(LOG_TAG, "read viewId=0x" + Integer.toHexString(this.viewId) |
| + " methodName=" + this.methodName + " type=" + this.type); |
| } |
| |
| // For some values that may have been null, we first check a flag to see if they were |
| // written to the parcel. |
| switch (this.type) { |
| case BOOLEAN: |
| this.value = in.readInt() != 0; |
| break; |
| case BYTE: |
| this.value = in.readByte(); |
| break; |
| case SHORT: |
| this.value = (short)in.readInt(); |
| break; |
| case INT: |
| this.value = in.readInt(); |
| break; |
| case LONG: |
| this.value = in.readLong(); |
| break; |
| case FLOAT: |
| this.value = in.readFloat(); |
| break; |
| case DOUBLE: |
| this.value = in.readDouble(); |
| break; |
| case CHAR: |
| this.value = (char)in.readInt(); |
| break; |
| case STRING: |
| this.value = in.readString(); |
| break; |
| case CHAR_SEQUENCE: |
| this.value = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); |
| break; |
| case URI: |
| if (in.readInt() != 0) { |
| this.value = Uri.CREATOR.createFromParcel(in); |
| } |
| break; |
| case BITMAP: |
| if (in.readInt() != 0) { |
| this.value = Bitmap.CREATOR.createFromParcel(in); |
| } |
| break; |
| case BUNDLE: |
| this.value = in.readBundle(); |
| break; |
| case INTENT: |
| if (in.readInt() != 0) { |
| this.value = Intent.CREATOR.createFromParcel(in); |
| } |
| break; |
| case COLOR_STATE_LIST: |
| if (in.readInt() != 0) { |
| this.value = ColorStateList.CREATOR.createFromParcel(in); |
| } |
| break; |
| case ICON: |
| if (in.readInt() != 0) { |
| this.value = Icon.CREATOR.createFromParcel(in); |
| } |
| default: |
| break; |
| } |
| } |
| |
| public void writeToParcel(Parcel out, int flags) { |
| out.writeInt(TAG); |
| out.writeInt(this.viewId); |
| out.writeString(this.methodName); |
| out.writeInt(this.type); |
| //noinspection ConstantIfStatement |
| if (false) { |
| Log.d(LOG_TAG, "write viewId=0x" + Integer.toHexString(this.viewId) |
| + " methodName=" + this.methodName + " type=" + this.type); |
| } |
| |
| // For some values which are null, we record an integer flag to indicate whether |
| // we have written a valid value to the parcel. |
| switch (this.type) { |
| case BOOLEAN: |
| out.writeInt((Boolean) this.value ? 1 : 0); |
| break; |
| case BYTE: |
| out.writeByte((Byte) this.value); |
| break; |
| case SHORT: |
| out.writeInt((Short) this.value); |
| break; |
| case INT: |
| out.writeInt((Integer) this.value); |
| break; |
| case LONG: |
| out.writeLong((Long) this.value); |
| break; |
| case FLOAT: |
| out.writeFloat((Float) this.value); |
| break; |
| case DOUBLE: |
| out.writeDouble((Double) this.value); |
| break; |
| case CHAR: |
| out.writeInt((int)((Character)this.value).charValue()); |
| break; |
| case STRING: |
| out.writeString((String)this.value); |
| break; |
| case CHAR_SEQUENCE: |
| TextUtils.writeToParcel((CharSequence)this.value, out, flags); |
| break; |
| case URI: |
| out.writeInt(this.value != null ? 1 : 0); |
| if (this.value != null) { |
| ((Uri)this.value).writeToParcel(out, flags); |
| } |
| break; |
| case BITMAP: |
| out.writeInt(this.value != null ? 1 : 0); |
| if (this.value != null) { |
| ((Bitmap)this.value).writeToParcel(out, flags); |
| } |
| break; |
| case BUNDLE: |
| out.writeBundle((Bundle) this.value); |
| break; |
| case INTENT: |
| out.writeInt(this.value != null ? 1 : 0); |
| if (this.value != null) { |
| ((Intent)this.value).writeToParcel(out, flags); |
| } |
| break; |
| case COLOR_STATE_LIST: |
| out.writeInt(this.value != null ? 1 : 0); |
| if (this.value != null) { |
| ((ColorStateList)this.value).writeToParcel(out, flags); |
| } |
| break; |
| case ICON: |
| out.writeInt(this.value != null ? 1 : 0); |
| if (this.value != null) { |
| ((Icon)this.value).writeToParcel(out, flags); |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| |
| private Class<?> getParameterType() { |
| switch (this.type) { |
| case BOOLEAN: |
| return boolean.class; |
| case BYTE: |
| return byte.class; |
| case SHORT: |
| return short.class; |
| case INT: |
| return int.class; |
| case LONG: |
| return long.class; |
| case FLOAT: |
| return float.class; |
| case DOUBLE: |
| return double.class; |
| case CHAR: |
| return char.class; |
| case STRING: |
| return String.class; |
| case CHAR_SEQUENCE: |
| return CharSequence.class; |
| case URI: |
| return Uri.class; |
| case BITMAP: |
| return Bitmap.class; |
| case BUNDLE: |
| return Bundle.class; |
| case INTENT: |
| return Intent.class; |
| case COLOR_STATE_LIST: |
| return ColorStateList.class; |
| case ICON: |
| return Icon.class; |
| default: |
| return null; |
| } |
| } |
| |
| @Override |
| public void apply(View root, ViewGroup rootParent, OnClickHandler handler) { |
| final View view = root.findViewById(viewId); |
| if (view == null) return; |
| |
| Class<?> param = getParameterType(); |
| if (param == null) { |
| throw new ActionException("bad type: " + this.type); |
| } |
| |
| try { |
| getMethod(view, this.methodName, param).invoke(view, wrapArg(this.value)); |
| } catch (ActionException e) { |
| throw e; |
| } catch (Exception ex) { |
| throw new ActionException(ex); |
| } |
| } |
| |
| @Override |
| public Action initActionAsync(ViewTree root, ViewGroup rootParent, OnClickHandler handler) { |
| final View view = root.findViewById(viewId); |
| if (view == null) return ACTION_NOOP; |
| |
| Class<?> param = getParameterType(); |
| if (param == null) { |
| throw new ActionException("bad type: " + this.type); |
| } |
| |
| try { |
| Method method = getMethod(view, this.methodName, param); |
| Method asyncMethod = getAsyncMethod(method); |
| |
| if (asyncMethod != null) { |
| Runnable endAction = (Runnable) asyncMethod.invoke(view, wrapArg(this.value)); |
| if (endAction == null) { |
| return ACTION_NOOP; |
| } else { |
| return new RunnableAction(endAction); |
| } |
| } |
| } catch (ActionException e) { |
| throw e; |
| } catch (Exception ex) { |
| throw new ActionException(ex); |
| } |
| |
| return this; |
| } |
| |
| public int mergeBehavior() { |
| // smoothScrollBy is cumulative, everything else overwites. |
| if (methodName.equals("smoothScrollBy")) { |
| return MERGE_APPEND; |
| } else { |
| return MERGE_REPLACE; |
| } |
| } |
| |
| public String getActionName() { |
| // Each type of reflection action corresponds to a setter, so each should be seen as |
| // unique from the standpoint of merging. |
| return "ReflectionAction" + this.methodName + this.type; |
| } |
| } |
| |
| /** |
| * This is only used for async execution of actions and it not parcelable. |
| */ |
| private static final class RunnableAction extends RuntimeAction { |
| private final Runnable mRunnable; |
| |
| RunnableAction(Runnable r) { |
| mRunnable = r; |
| } |
| |
| @Override |
| public void apply(View root, ViewGroup rootParent, OnClickHandler handler) { |
| mRunnable.run(); |
| } |
| } |
| |
| private void configureRemoteViewsAsChild(RemoteViews rv) { |
| mBitmapCache.assimilate(rv.mBitmapCache); |
| rv.setBitmapCache(mBitmapCache); |
| rv.setNotRoot(); |
| } |
| |
| void setNotRoot() { |
| mIsRoot = false; |
| } |
| |
| /** |
| * Equivalent to calling {@link ViewGroup#addView(View)} after inflating the |
| * given {@link RemoteViews}, or calling {@link ViewGroup#removeAllViews()} |
| * when null. This allows users to build "nested" {@link RemoteViews}. |
| */ |
| private class ViewGroupAction extends Action { |
| public ViewGroupAction(int viewId, RemoteViews nestedViews) { |
| this.viewId = viewId; |
| this.nestedViews = nestedViews; |
| if (nestedViews != null) { |
| configureRemoteViewsAsChild(nestedViews); |
| } |
| } |
| |
| public ViewGroupAction(Parcel parcel, BitmapCache bitmapCache) { |
| viewId = parcel.readInt(); |
| boolean nestedViewsNull = parcel.readInt() == 0; |
| if (!nestedViewsNull) { |
| nestedViews = new RemoteViews(parcel, bitmapCache); |
| } else { |
| nestedViews = null; |
| } |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(TAG); |
| dest.writeInt(viewId); |
| if (nestedViews != null) { |
| dest.writeInt(1); |
| nestedViews.writeToParcel(dest, flags); |
| } else { |
| // signifies null |
| dest.writeInt(0); |
| } |
| } |
| |
| @Override |
| public void apply(View root, ViewGroup rootParent, OnClickHandler handler) { |
| final Context context = root.getContext(); |
| final ViewGroup target = (ViewGroup) root.findViewById(viewId); |
| if (target == null) return; |
| if (nestedViews != null) { |
| // Inflate nested views and add as children |
| target.addView(nestedViews.apply(context, target, handler)); |
| } else { |
| // Clear all children when nested views omitted |
| target.removeAllViews(); |
| } |
| } |
| |
| @Override |
| public Action initActionAsync(ViewTree root, ViewGroup rootParent, OnClickHandler handler) { |
| // In the async implementation, update the view tree so that subsequent calls to |
| // findViewById return the currect view. |
| root.createTree(); |
| ViewTree target = root.findViewTreeById(viewId); |
| if ((target == null) || !(target.mRoot instanceof ViewGroup)) { |
| return ACTION_NOOP; |
| } |
| if (nestedViews == null) { |
| // Clear all children when nested views omitted |
| target.mChildren = null; |
| return this; |
| } else { |
| // Inflate nested views and perform all the async tasks for the child remoteView. |
| final Context context = root.mRoot.getContext(); |
| final AsyncApplyTask task = nestedViews.getAsyncApplyTask( |
| context, (ViewGroup) target.mRoot, null, handler); |
| final ViewTree tree = task.doInBackground(); |
| |
| // Update the global view tree, so that next call to findViewTreeById |
| // goes through the subtree as well. |
| target.addChild(tree); |
| |
| return new RuntimeAction() { |
| |
| @Override |
| public void apply(View root, ViewGroup rootParent, OnClickHandler handler) throws ActionException { |
| // This view will exist as we have already made sure |
| final ViewGroup target = (ViewGroup) root.findViewById(viewId); |
| task.onPostExecute(tree); |
| target.addView(task.mResult); |
| } |
| }; |
| } |
| } |
| |
| @Override |
| public void updateMemoryUsageEstimate(MemoryUsageCounter counter) { |
| if (nestedViews != null) { |
| counter.increment(nestedViews.estimateMemoryUsage()); |
| } |
| } |
| |
| @Override |
| public void setBitmapCache(BitmapCache bitmapCache) { |
| if (nestedViews != null) { |
| nestedViews.setBitmapCache(bitmapCache); |
| } |
| } |
| |
| public String getActionName() { |
| return "ViewGroupAction" + (nestedViews == null ? "Remove" : "Add"); |
| } |
| |
| public int mergeBehavior() { |
| return MERGE_APPEND; |
| } |
| |
| RemoteViews nestedViews; |
| |
| public final static int TAG = 4; |
| } |
| |
| /** |
| * Helper action to set compound drawables on a TextView. Supports relative |
| * (s/t/e/b) or cardinal (l/t/r/b) arrangement. |
| */ |
| private class TextViewDrawableAction extends Action { |
| public TextViewDrawableAction(int viewId, boolean isRelative, int d1, int d2, int d3, int d4) { |
| this.viewId = viewId; |
| this.isRelative = isRelative; |
| this.useIcons = false; |
| this.d1 = d1; |
| this.d2 = d2; |
| this.d3 = d3; |
| this.d4 = d4; |
| } |
| |
| public TextViewDrawableAction(int viewId, boolean isRelative, |
| Icon i1, Icon i2, Icon i3, Icon i4) { |
| this.viewId = viewId; |
| this.isRelative = isRelative; |
| this.useIcons = true; |
| this.i1 = i1; |
| this.i2 = i2; |
| this.i3 = i3; |
| this.i4 = i4; |
| } |
| |
| public TextViewDrawableAction(Parcel parcel) { |
| viewId = parcel.readInt(); |
| isRelative = (parcel.readInt() != 0); |
| useIcons = (parcel.readInt() != 0); |
| if (useIcons) { |
| if (parcel.readInt() != 0) { |
| i1 = Icon.CREATOR.createFromParcel(parcel); |
| } |
| if (parcel.readInt() != 0) { |
| i2 = Icon.CREATOR.createFromParcel(parcel); |
| } |
| if (parcel.readInt() != 0) { |
| i3 = Icon.CREATOR.createFromParcel(parcel); |
| } |
| if (parcel.readInt() != 0) { |
| i4 = Icon.CREATOR.createFromParcel(parcel); |
| } |
| } else { |
| d1 = parcel.readInt(); |
| d2 = parcel.readInt(); |
| d3 = parcel.readInt(); |
| d4 = parcel.readInt(); |
| } |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(TAG); |
| dest.writeInt(viewId); |
| dest.writeInt(isRelative ? 1 : 0); |
| dest.writeInt(useIcons ? 1 : 0); |
| if (useIcons) { |
| if (i1 != null) { |
| dest.writeInt(1); |
| i1.writeToParcel(dest, 0); |
| } else { |
| dest.writeInt(0); |
| } |
| if (i2 != null) { |
| dest.writeInt(1); |
| i2.writeToParcel(dest, 0); |
| } else { |
| dest.writeInt(0); |
| } |
| if (i3 != null) { |
| dest.writeInt(1); |
| i3.writeToParcel(dest, 0); |
| } else { |
| dest.writeInt(0); |
| } |
| if (i4 != null) { |
| dest.writeInt(1); |
| i4.writeToParcel(dest, 0); |
| } else { |
| dest.writeInt(0); |
| } |
| } else { |
| dest.writeInt(d1); |
| dest.writeInt(d2); |
| dest.writeInt(d3); |
| dest.writeInt(d4); |
| } |
| } |
| |
| @Override |
| public void apply(View root, ViewGroup rootParent, OnClickHandler handler) { |
| final TextView target = (TextView) root.findViewById(viewId); |
| if (target == null) return; |
| if (drawablesLoaded) { |
| if (isRelative) { |
| target.setCompoundDrawablesRelativeWithIntrinsicBounds(id1, id2, id3, id4); |
| } else { |
| target.setCompoundDrawablesWithIntrinsicBounds(id1, id2, id3, id4); |
| } |
| } else if (useIcons) { |
| final Context ctx = target.getContext(); |
| final Drawable id1 = i1 == null ? null : i1.loadDrawable(ctx); |
| final Drawable id2 = i2 == null ? null : i2.loadDrawable(ctx); |
| final Drawable id3 = i3 == null ? null : i3.loadDrawable(ctx); |
| final Drawable id4 = i4 == null ? null : i4.loadDrawable(ctx); |
| if (isRelative) { |
| target.setCompoundDrawablesRelativeWithIntrinsicBounds(id1, id2, id3, id4); |
| } else { |
| target.setCompoundDrawablesWithIntrinsicBounds(id1, id2, id3, id4); |
| } |
| } else { |
| if (isRelative) { |
| target.setCompoundDrawablesRelativeWithIntrinsicBounds(d1, d2, d3, d4); |
| } else { |
| target.setCompoundDrawablesWithIntrinsicBounds(d1, d2, d3, d4); |
| } |
| } |
| } |
| |
| @Override |
| public Action initActionAsync(ViewTree root, ViewGroup rootParent, OnClickHandler handler) { |
| final TextView target = (TextView) root.findViewById(viewId); |
| if (target == null) return ACTION_NOOP; |
| |
| TextViewDrawableAction copy = useIcons ? |
| new TextViewDrawableAction(viewId, isRelative, i1, i2, i3, i4) : |
| new TextViewDrawableAction(viewId, isRelative, d1, d2, d3, d4); |
| |
| // Load the drawables on the background thread. |
| copy.drawablesLoaded = true; |
| final Context ctx = target.getContext(); |
| |
| if (useIcons) { |
| copy.id1 = i1 == null ? null : i1.loadDrawable(ctx); |
| copy.id2 = i2 == null ? null : i2.loadDrawable(ctx); |
| copy.id3 = i3 == null ? null : i3.loadDrawable(ctx); |
| copy.id4 = i4 == null ? null : i4.loadDrawable(ctx); |
| } else { |
| copy.id1 = d1 == 0 ? null : ctx.getDrawable(d1); |
| copy.id2 = d2 == 0 ? null : ctx.getDrawable(d2); |
| copy.id3 = d3 == 0 ? null : ctx.getDrawable(d3); |
| copy.id4 = d4 == 0 ? null : ctx.getDrawable(d4); |
| } |
| return copy; |
| } |
| |
| public String getActionName() { |
| return "TextViewDrawableAction"; |
| } |
| |
| boolean isRelative = false; |
| boolean useIcons = false; |
| int d1, d2, d3, d4; |
| Icon i1, i2, i3, i4; |
| |
| boolean drawablesLoaded = false; |
| Drawable id1, id2, id3, id4; |
| |
| public final static int TAG = 11; |
| } |
| |
| /** |
| * Helper action to set text size on a TextView in any supported units. |
| */ |
| private class TextViewSizeAction extends Action { |
| public TextViewSizeAction(int viewId, int units, float size) { |
| this.viewId = viewId; |
| this.units = units; |
| this.size = size; |
| } |
| |
| public TextViewSizeAction(Parcel parcel) { |
| viewId = parcel.readInt(); |
| units = parcel.readInt(); |
| size = parcel.readFloat(); |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(TAG); |
| dest.writeInt(viewId); |
| dest.writeInt(units); |
| dest.writeFloat(size); |
| } |
| |
| @Override |
| public void apply(View root, ViewGroup rootParent, OnClickHandler handler) { |
| final TextView target = (TextView) root.findViewById(viewId); |
| if (target == null) return; |
| target.setTextSize(units, size); |
| } |
| |
| public String getActionName() { |
| return "TextViewSizeAction"; |
| } |
| |
| int units; |
| float size; |
| |
| public final static int TAG = 13; |
| } |
| |
| /** |
| * Helper action to set padding on a View. |
| */ |
| private class ViewPaddingAction extends Action { |
| public ViewPaddingAction(int viewId, int left, int top, int right, int bottom) { |
| this.viewId = viewId; |
| this.left = left; |
| this.top = top; |
| this.right = right; |
| this.bottom = bottom; |
| } |
| |
| public ViewPaddingAction(Parcel parcel) { |
| viewId = parcel.readInt(); |
| left = parcel.readInt(); |
| top = parcel.readInt(); |
| right = parcel.readInt(); |
| bottom = parcel.readInt(); |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(TAG); |
| dest.writeInt(viewId); |
| dest.writeInt(left); |
| dest.writeInt(top); |
| dest.writeInt(right); |
| dest.writeInt(bottom); |
| } |
| |
| @Override |
| public void apply(View root, ViewGroup rootParent, OnClickHandler handler) { |
| final View target = root.findViewById(viewId); |
| if (target == null) return; |
| target.setPadding(left, top, right, bottom); |
| } |
| |
| public String getActionName() { |
| return "ViewPaddingAction"; |
| } |
| |
| int left, top, right, bottom; |
| |
| public final static int TAG = 14; |
| } |
| |
| /** |
| * Helper action to set layout params on a View. |
| */ |
| private class LayoutParamAction extends Action { |
| |
| /** Set marginEnd */ |
| public static final int LAYOUT_MARGIN_END = 1; |
| /** Set width */ |
| public static final int LAYOUT_WIDTH = 2; |
| public static final int LAYOUT_MARGIN_BOTTOM = 3; |
| |
| /** |
| * @param viewId ID of the view alter |
| * @param property which layout parameter to alter |
| * @param value new value of the layout parameter |
| */ |
| public LayoutParamAction(int viewId, int property, int value) { |
| this.viewId = viewId; |
| this.property = property; |
| this.value = value; |
| } |
| |
| public LayoutParamAction(Parcel parcel) { |
| viewId = parcel.readInt(); |
| property = parcel.readInt(); |
| value = parcel.readInt(); |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(TAG); |
| dest.writeInt(viewId); |
| dest.writeInt(property); |
| dest.writeInt(value); |
| } |
| |
| @Override |
| public void apply(View root, ViewGroup rootParent, OnClickHandler handler) { |
| final View target = root.findViewById(viewId); |
| if (target == null) { |
| return; |
| } |
| ViewGroup.LayoutParams layoutParams = target.getLayoutParams(); |
| if (layoutParams == null) { |
| return; |
| } |
| switch (property) { |
| case LAYOUT_MARGIN_END: |
| if (layoutParams instanceof ViewGroup.MarginLayoutParams) { |
| ((ViewGroup.MarginLayoutParams) layoutParams).setMarginEnd(value); |
| target.setLayoutParams(layoutParams); |
| } |
| break; |
| case LAYOUT_MARGIN_BOTTOM: |
| if (layoutParams instanceof ViewGroup.MarginLayoutParams) { |
| ((ViewGroup.MarginLayoutParams) layoutParams).bottomMargin = value; |
| target.setLayoutParams(layoutParams); |
| } |
| break; |
| case LAYOUT_WIDTH: |
| layoutParams.width = value; |
| target.setLayoutParams(layoutParams); |
| break; |
| default: |
| throw new IllegalArgumentException("Unknown property " + property); |
| } |
| } |
| |
| public String getActionName() { |
| return "LayoutParamAction" + property + "."; |
| } |
| |
| int property; |
| int value; |
| |
| public final static int TAG = 19; |
| } |
| |
| /** |
| * Helper action to set a color filter on a compound drawable on a TextView. Supports relative |
| * (s/t/e/b) or cardinal (l/t/r/b) arrangement. |
| */ |
| private class TextViewDrawableColorFilterAction extends Action { |
| public TextViewDrawableColorFilterAction(int viewId, boolean isRelative, int index, |
| int color, PorterDuff.Mode mode) { |
| this.viewId = viewId; |
| this.isRelative = isRelative; |
| this.index = index; |
| this.color = color; |
| this.mode = mode; |
| } |
| |
| public TextViewDrawableColorFilterAction(Parcel parcel) { |
| viewId = parcel.readInt(); |
| isRelative = (parcel.readInt() != 0); |
| index = parcel.readInt(); |
| color = parcel.readInt(); |
| mode = readPorterDuffMode(parcel); |
| } |
| |
| private PorterDuff.Mode readPorterDuffMode(Parcel parcel) { |
| int mode = parcel.readInt(); |
| if (mode >= 0 && mode < PorterDuff.Mode.values().length) { |
| return PorterDuff.Mode.values()[mode]; |
| } else { |
| return PorterDuff.Mode.CLEAR; |
| } |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(TAG); |
| dest.writeInt(viewId); |
| dest.writeInt(isRelative ? 1 : 0); |
| dest.writeInt(index); |
| dest.writeInt(color); |
| dest.writeInt(mode.ordinal()); |
| } |
| |
| @Override |
| public void apply(View root, ViewGroup rootParent, OnClickHandler handler) { |
| final TextView target = (TextView) root.findViewById(viewId); |
| if (target == null) return; |
| Drawable[] drawables = isRelative |
| ? target.getCompoundDrawablesRelative() |
| : target.getCompoundDrawables(); |
| if (index < 0 || index >= 4) { |
| throw new IllegalStateException("index must be in range [0, 3]."); |
| } |
| Drawable d = drawables[index]; |
| if (d != null) { |
| d.mutate(); |
| d.setColorFilter(color, mode); |
| } |
| } |
| |
| public String getActionName() { |
| return "TextViewDrawableColorFilterAction"; |
| } |
| |
| final boolean isRelative; |
| final int index; |
| final int color; |
| final PorterDuff.Mode mode; |
| |
| public final static int TAG = 17; |
| } |
| |
| /** |
| * Helper action to add a view tag with RemoteInputs. |
| */ |
| private class SetRemoteInputsAction extends Action { |
| |
| public SetRemoteInputsAction(int viewId, RemoteInput[] remoteInputs) { |
| this.viewId = viewId; |
| this.remoteInputs = remoteInputs; |
| } |
| |
| public SetRemoteInputsAction(Parcel parcel) { |
| viewId = parcel.readInt(); |
| remoteInputs = parcel.createTypedArray(RemoteInput.CREATOR); |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(TAG); |
| dest.writeInt(viewId); |
| dest.writeTypedArray(remoteInputs, flags); |
| } |
| |
| @Override |
| public void apply(View root, ViewGroup rootParent, OnClickHandler handler) { |
| final TextView target = (TextView) root.findViewById(viewId); |
| if (target == null) return; |
| |
| target.setTagInternal(R.id.remote_input_tag, remoteInputs); |
| } |
| |
| public String getActionName() { |
| return "SetRemoteInputsAction"; |
| } |
| |
| final Parcelable[] remoteInputs; |
| public final static int TAG = 18; |
| } |
| |
| /** |
| * Simple class used to keep track of memory usage in a RemoteViews. |
| * |
| */ |
| private class MemoryUsageCounter { |
| public void clear() { |
| mMemoryUsage = 0; |
| } |
| |
| public void increment(int numBytes) { |
| mMemoryUsage += numBytes; |
| } |
| |
| public int getMemoryUsage() { |
| return mMemoryUsage; |
| } |
| |
| @SuppressWarnings("deprecation") |
| public void addBitmapMemory(Bitmap b) { |
| final Bitmap.Config c = b.getConfig(); |
| // If we don't know, be pessimistic and assume 4 |
| int bpp = 4; |
| if (c != null) { |
| switch (c) { |
| case ALPHA_8: |
| bpp = 1; |
| break; |
| case RGB_565: |
| case ARGB_4444: |
| bpp = 2; |
| break; |
| case ARGB_8888: |
| bpp = 4; |
| break; |
| } |
| } |
| increment(b.getWidth() * b.getHeight() * bpp); |
| } |
| |
| int mMemoryUsage; |
| } |
| |
| /** |
| * Create a new RemoteViews object that will display the views contained |
| * in the specified layout file. |
| * |
| * @param packageName Name of the package that contains the layout resource |
| * @param layoutId The id of the layout resource |
| */ |
| public RemoteViews(String packageName, int layoutId) { |
| this(getApplicationInfo(packageName, UserHandle.myUserId()), layoutId); |
| } |
| |
| /** |
| * Create a new RemoteViews object that will display the views contained |
| * in the specified layout file. |
| * |
| * @param packageName Name of the package that contains the layout resource. |
| * @param userId The user under which the package is running. |
| * @param layoutId The id of the layout resource. |
| * |
| * @hide |
| */ |
| public RemoteViews(String packageName, int userId, int layoutId) { |
| this(getApplicationInfo(packageName, userId), layoutId); |
| } |
| |
| /** |
| * Create a new RemoteViews object that will display the views contained |
| * in the specified layout file. |
| * |
| * @param application The application whose content is shown by the views. |
| * @param layoutId The id of the layout resource. |
| * |
| * @hide |
| */ |
| protected RemoteViews(ApplicationInfo application, int layoutId) { |
| mApplication = application; |
| mLayoutId = layoutId; |
| mBitmapCache = new BitmapCache(); |
| // setup the memory usage statistics |
| mMemoryUsageCounter = new MemoryUsageCounter(); |
| recalculateMemoryUsage(); |
| } |
| |
| private boolean hasLandscapeAndPortraitLayouts() { |
| return (mLandscape != null) && (mPortrait != null); |
| } |
| |
| /** |
| * Create a new RemoteViews object that will inflate as the specified |
| * landspace or portrait RemoteViews, depending on the current configuration. |
| * |
| * @param landscape The RemoteViews to inflate in landscape configuration |
| * @param portrait The RemoteViews to inflate in portrait configuration |
| */ |
| public RemoteViews(RemoteViews landscape, RemoteViews portrait) { |
| if (landscape == null || portrait == null) { |
| throw new RuntimeException("Both RemoteViews must be non-null"); |
| } |
| if (landscape.mApplication.uid != portrait.mApplication.uid |
| || !landscape.mApplication.packageName.equals(portrait.mApplication.packageName)) { |
| throw new RuntimeException("Both RemoteViews must share the same package and user"); |
| } |
| mApplication = portrait.mApplication; |
| mLayoutId = portrait.getLayoutId(); |
| |
| mLandscape = landscape; |
| mPortrait = portrait; |
| |
| // setup the memory usage statistics |
| mMemoryUsageCounter = new MemoryUsageCounter(); |
| |
| mBitmapCache = new BitmapCache(); |
| configureRemoteViewsAsChild(landscape); |
| configureRemoteViewsAsChild(portrait); |
| |
| recalculateMemoryUsage(); |
| } |
| |
| /** |
| * Reads a RemoteViews object from a parcel. |
| * |
| * @param parcel |
| */ |
| public RemoteViews(Parcel parcel) { |
| this(parcel, null); |
| } |
| |
| private RemoteViews(Parcel parcel, BitmapCache bitmapCache) { |
| int mode = parcel.readInt(); |
| |
| // We only store a bitmap cache in the root of the RemoteViews. |
| if (bitmapCache == null) { |
| mBitmapCache = new BitmapCache(parcel); |
| } else { |
| setBitmapCache(bitmapCache); |
| setNotRoot(); |
| } |
| |
| if (mode == MODE_NORMAL) { |
| mApplication = parcel.readParcelable(null); |
| mLayoutId = parcel.readInt(); |
| mIsWidgetCollectionChild = parcel.readInt() == 1; |
| |
| int count = parcel.readInt(); |
| if (count > 0) { |
| mActions = new ArrayList<Action>(count); |
| for (int i=0; i<count; i++) { |
| int tag = parcel.readInt(); |
| switch (tag) { |
| case SetOnClickPendingIntent.TAG: |
| mActions.add(new SetOnClickPendingIntent(parcel)); |
| break; |
| case SetDrawableParameters.TAG: |
| mActions.add(new SetDrawableParameters(parcel)); |
| break; |
| case ReflectionAction.TAG: |
| mActions.add(new ReflectionAction(parcel)); |
| break; |
| case ViewGroupAction.TAG: |
| mActions.add(new ViewGroupAction(parcel, mBitmapCache)); |
| break; |
| case ReflectionActionWithoutParams.TAG: |
| mActions.add(new ReflectionActionWithoutParams(parcel)); |
| break; |
| case SetEmptyView.TAG: |
| mActions.add(new SetEmptyView(parcel)); |
| break; |
| case SetPendingIntentTemplate.TAG: |
| mActions.add(new SetPendingIntentTemplate(parcel)); |
| break; |
| case SetOnClickFillInIntent.TAG: |
| mActions.add(new SetOnClickFillInIntent(parcel)); |
| break; |
| case SetRemoteViewsAdapterIntent.TAG: |
| mActions.add(new SetRemoteViewsAdapterIntent(parcel)); |
| break; |
| case TextViewDrawableAction.TAG: |
| mActions.add(new TextViewDrawableAction(parcel)); |
| break; |
| case TextViewSizeAction.TAG: |
| mActions.add(new TextViewSizeAction(parcel)); |
| break; |
| case ViewPaddingAction.TAG: |
| mActions.add(new ViewPaddingAction(parcel)); |
| break; |
| case BitmapReflectionAction.TAG: |
| mActions.add(new BitmapReflectionAction(parcel)); |
| break; |
| case SetRemoteViewsAdapterList.TAG: |
| mActions.add(new SetRemoteViewsAdapterList(parcel)); |
| break; |
| case TextViewDrawableColorFilterAction.TAG: |
| mActions.add(new TextViewDrawableColorFilterAction(parcel)); |
| break; |
| case SetRemoteInputsAction.TAG: |
| mActions.add(new SetRemoteInputsAction(parcel)); |
| break; |
| case LayoutParamAction.TAG: |
| mActions.add(new LayoutParamAction(parcel)); |
| break; |
| default: |
| throw new ActionException("Tag " + tag + " not found"); |
| } |
| } |
| } |
| } else { |
| // MODE_HAS_LANDSCAPE_AND_PORTRAIT |
| mLandscape = new RemoteViews(parcel, mBitmapCache); |
| mPortrait = new RemoteViews(parcel, mBitmapCache); |
| mApplication = mPortrait.mApplication; |
| mLayoutId = mPortrait.getLayoutId(); |
| } |
| |
| // setup the memory usage statistics |
| mMemoryUsageCounter = new MemoryUsageCounter(); |
| recalculateMemoryUsage(); |
| } |
| |
| |
| public RemoteViews clone() { |
| Preconditions.checkState(mIsRoot, "RemoteView has been attached to another RemoteView. " |
| + "May only clone the root of a RemoteView hierarchy."); |
| |
| Parcel p = Parcel.obtain(); |
| |
| // Do not parcel the Bitmap cache - doing so creates an expensive copy of all bitmaps. |
| // Instead pretend we're not owning the cache while parceling. |
| mIsRoot = false; |
| writeToParcel(p, 0); |
| p.setDataPosition(0); |
| mIsRoot = true; |
| |
| RemoteViews rv = new RemoteViews(p, mBitmapCache.clone()); |
| rv.mIsRoot = true; |
| |
| p.recycle(); |
| return rv; |
| } |
| |
| public String getPackage() { |
| return (mApplication != null) ? mApplication.packageName : null; |
| } |
| |
| /** |
| * Returns the layout id of the root layout associated with this RemoteViews. In the case |
| * that the RemoteViews has both a landscape and portrait root, this will return the layout |
| * id associated with the portrait layout. |
| * |
| * @return the layout id. |
| */ |
| public int getLayoutId() { |
| return mLayoutId; |
| } |
| |
| /* |
| * This flag indicates whether this RemoteViews object is being created from a |
| * RemoteViewsService for use as a child of a widget collection. This flag is used |
| * to determine whether or not certain features are available, in particular, |
| * setting on click extras and setting on click pending intents. The former is enabled, |
| * and the latter disabled when this flag is true. |
| */ |
| void setIsWidgetCollectionChild(boolean isWidgetCollectionChild) { |
| mIsWidgetCollectionChild = isWidgetCollectionChild; |
| } |
| |
| /** |
| * Updates the memory usage statistics. |
| */ |
| private void recalculateMemoryUsage() { |
| mMemoryUsageCounter.clear(); |
| |
| if (!hasLandscapeAndPortraitLayouts()) { |
| // Accumulate the memory usage for each action |
| if (mActions != null) { |
| final int count = mActions.size(); |
| for (int i= 0; i < count; ++i) { |
| mActions.get(i).updateMemoryUsageEstimate(mMemoryUsageCounter); |
| } |
| } |
| if (mIsRoot) { |
| mBitmapCache.addBitmapMemory(mMemoryUsageCounter); |
| } |
| } else { |
| mMemoryUsageCounter.increment(mLandscape.estimateMemoryUsage()); |
| mMemoryUsageCounter.increment(mPortrait.estimateMemoryUsage()); |
| mBitmapCache.addBitmapMemory(mMemoryUsageCounter); |
| } |
| } |
| |
| /** |
| * Recursively sets BitmapCache in the hierarchy and update the bitmap ids. |
| */ |
| private void setBitmapCache(BitmapCache bitmapCache) { |
| mBitmapCache = bitmapCache; |
| if (!hasLandscapeAndPortraitLayouts()) { |
| if (mActions != null) { |
| final int count = mActions.size(); |
| for (int i= 0; i < count; ++i) { |
| mActions.get(i).setBitmapCache(bitmapCache); |
| } |
| } |
| } else { |
| mLandscape.setBitmapCache(bitmapCache); |
| mPortrait.setBitmapCache(bitmapCache); |
| } |
| } |
| |
| /** |
| * Returns an estimate of the bitmap heap memory usage for this RemoteViews. |
| */ |
| /** @hide */ |
| public int estimateMemoryUsage() { |
| return mMemoryUsageCounter.getMemoryUsage(); |
| } |
| |
| /** |
| * Add an action to be executed on the remote side when apply is called. |
| * |
| * @param a The action to add |
| */ |
| private void addAction(Action a) { |
| if (hasLandscapeAndPortraitLayouts()) { |
| throw new RuntimeException("RemoteViews specifying separate landscape and portrait" + |
| " layouts cannot be modified. Instead, fully configure the landscape and" + |
| " portrait layouts individually before constructing the combined layout."); |
| } |
| if (mActions == null) { |
| mActions = new ArrayList<Action>(); |
| } |
| mActions.add(a); |
| |
| // update the memory usage stats |
| a.updateMemoryUsageEstimate(mMemoryUsageCounter); |
| } |
| |
| /** |
| * Equivalent to calling {@link ViewGroup#addView(View)} after inflating the |
| * given {@link RemoteViews}. This allows users to build "nested" |
| * {@link RemoteViews}. In cases where consumers of {@link RemoteViews} may |
| * recycle layouts, use {@link #removeAllViews(int)} to clear any existing |
| * children. |
| * |
| * @param viewId The id of the parent {@link ViewGroup} to add child into. |
| * @param nestedView {@link RemoteViews} that describes the child. |
| */ |
| public void addView(int viewId, RemoteViews nestedView) { |
| addAction(new ViewGroupAction(viewId, nestedView)); |
| } |
| |
| /** |
| * Equivalent to calling {@link ViewGroup#removeAllViews()}. |
| * |
| * @param viewId The id of the parent {@link ViewGroup} to remove all |
| * children from. |
| */ |
| public void removeAllViews(int viewId) { |
| addAction(new ViewGroupAction(viewId, null)); |
| } |
| |
| /** |
| * Equivalent to calling {@link AdapterViewAnimator#showNext()} |
| * |
| * @param viewId The id of the view on which to call {@link AdapterViewAnimator#showNext()} |
| */ |
| public void showNext(int viewId) { |
| addAction(new ReflectionActionWithoutParams(viewId, "showNext")); |
| } |
| |
| /** |
| * Equivalent to calling {@link AdapterViewAnimator#showPrevious()} |
| * |
| * @param viewId The id of the view on which to call {@link AdapterViewAnimator#showPrevious()} |
| */ |
| public void showPrevious(int viewId) { |
| addAction(new ReflectionActionWithoutParams(viewId, "showPrevious")); |
| } |
| |
| /** |
| * Equivalent to calling {@link AdapterViewAnimator#setDisplayedChild(int)} |
| * |
| * @param viewId The id of the view on which to call |
| * {@link AdapterViewAnimator#setDisplayedChild(int)} |
| */ |
| public void setDisplayedChild(int viewId, int childIndex) { |
| setInt(viewId, "setDisplayedChild", childIndex); |
| } |
| |
| /** |
| * Equivalent to calling View.setVisibility |
| * |
| * @param viewId The id of the view whose visibility should change |
| * @param visibility The new visibility for the view |
| */ |
| public void setViewVisibility(int viewId, int visibility) { |
| setInt(viewId, "setVisibility", visibility); |
| } |
| |
| /** |
| * Equivalent to calling TextView.setText |
| * |
| * @param viewId The id of the view whose text should change |
| * @param text The new text for the view |
| */ |
| public void setTextViewText(int viewId, CharSequence text) { |
| setCharSequence(viewId, "setText", text); |
| } |
| |
| /** |
| * Equivalent to calling {@link TextView#setTextSize(int, float)} |
| * |
| * @param viewId The id of the view whose text size should change |
| * @param units The units of size (e.g. COMPLEX_UNIT_SP) |
| * @param size The size of the text |
| */ |
| public void setTextViewTextSize(int viewId, int units, float size) { |
| addAction(new TextViewSizeAction(viewId, units, size)); |
| } |
| |
| /** |
| * Equivalent to calling |
| * {@link TextView#setCompoundDrawablesWithIntrinsicBounds(int, int, int, int)}. |
| * |
| * @param viewId The id of the view whose text should change |
| * @param left The id of a drawable to place to the left of the text, or 0 |
| * @param top The id of a drawable to place above the text, or 0 |
| * @param right The id of a drawable to place to the right of the text, or 0 |
| * @param bottom The id of a drawable to place below the text, or 0 |
| */ |
| public void setTextViewCompoundDrawables(int viewId, int left, int top, int right, int bottom) { |
| addAction(new TextViewDrawableAction(viewId, false, left, top, right, bottom)); |
| } |
| |
| /** |
| * Equivalent to calling {@link |
| * TextView#setCompoundDrawablesRelativeWithIntrinsicBounds(int, int, int, int)}. |
| * |
| * @param viewId The id of the view whose text should change |
| * @param start The id of a drawable to place before the text (relative to the |
| * layout direction), or 0 |
| * @param top The id of a drawable to place above the text, or 0 |
| * @param end The id of a drawable to place after the text, or 0 |
| * @param bottom The id of a drawable to place below the text, or 0 |
| */ |
| public void setTextViewCompoundDrawablesRelative(int viewId, int start, int top, int end, int bottom) { |
| addAction(new TextViewDrawableAction(viewId, true, start, top, end, bottom)); |
| } |
| |
| /** |
| * Equivalent to applying a color filter on one of the drawables in |
| * {@link android.widget.TextView#getCompoundDrawablesRelative()}. |
| * |
| * @param viewId The id of the view whose text should change. |
| * @param index The index of the drawable in the array of |
| * {@link android.widget.TextView#getCompoundDrawablesRelative()} to set the color |
| * filter on. Must be in [0, 3]. |
| * @param color The color of the color filter. See |
| * {@link Drawable#setColorFilter(int, android.graphics.PorterDuff.Mode)}. |
| * @param mode The mode of the color filter. See |
| * {@link Drawable#setColorFilter(int, android.graphics.PorterDuff.Mode)}. |
| * @hide |
| */ |
| public void setTextViewCompoundDrawablesRelativeColorFilter(int viewId, |
| int index, int color, PorterDuff.Mode mode) { |
| if (index < 0 || index >= 4) { |
| throw new IllegalArgumentException("index must be in range [0, 3]."); |
| } |
| addAction(new TextViewDrawableColorFilterAction(viewId, true, index, color, mode)); |
| } |
| |
| /** |
| * Equivalent to calling {@link |
| * TextView#setCompoundDrawablesWithIntrinsicBounds(Drawable, Drawable, Drawable, Drawable)} |
| * using the drawables yielded by {@link Icon#loadDrawable(Context)}. |
| * |
| * @param viewId The id of the view whose text should change |
| * @param left an Icon to place to the left of the text, or 0 |
| * @param top an Icon to place above the text, or 0 |
| * @param right an Icon to place to the right of the text, or 0 |
| * @param bottom an Icon to place below the text, or 0 |
| * |
| * @hide |
| */ |
| public void setTextViewCompoundDrawables(int viewId, Icon left, Icon top, Icon right, Icon bottom) { |
| addAction(new TextViewDrawableAction(viewId, false, left, top, right, bottom)); |
| } |
| |
| /** |
| * Equivalent to calling {@link |
| * TextView#setCompoundDrawablesRelativeWithIntrinsicBounds(Drawable, Drawable, Drawable, Drawable)} |
| * using the drawables yielded by {@link Icon#loadDrawable(Context)}. |
| * |
| * @param viewId The id of the view whose text should change |
| * @param start an Icon to place before the text (relative to the |
| * layout direction), or 0 |
| * @param top an Icon to place above the text, or 0 |
| * @param end an Icon to place after the text, or 0 |
| * @param bottom an Icon to place below the text, or 0 |
| * |
| * @hide |
| */ |
| public void setTextViewCompoundDrawablesRelative(int viewId, Icon start, Icon top, Icon end, Icon bottom) { |
| addAction(new TextViewDrawableAction(viewId, true, start, top, end, bottom)); |
| } |
| |
| /** |
| * Equivalent to calling ImageView.setImageResource |
| * |
| * @param viewId The id of the view whose drawable should change |
| * @param srcId The new resource id for the drawable |
| */ |
| public void setImageViewResource(int viewId, int srcId) { |
| setInt(viewId, "setImageResource", srcId); |
| } |
| |
| /** |
| * Equivalent to calling ImageView.setImageURI |
| * |
| * @param viewId The id of the view whose drawable should change |
| * @param uri The Uri for the image |
| */ |
| public void setImageViewUri(int viewId, Uri uri) { |
| setUri(viewId, "setImageURI", uri); |
| } |
| |
| /** |
| * Equivalent to calling ImageView.setImageBitmap |
| * |
| * @param viewId The id of the view whose bitmap should change |
| * @param bitmap The new Bitmap for the drawable |
| */ |
| public void setImageViewBitmap(int viewId, Bitmap bitmap) { |
| setBitmap(viewId, "setImageBitmap", bitmap); |
| } |
| |
| /** |
| * Equivalent to calling ImageView.setImageIcon |
| * |
| * @param viewId The id of the view whose bitmap should change |
| * @param icon The new Icon for the ImageView |
| */ |
| public void setImageViewIcon(int viewId, Icon icon) { |
| setIcon(viewId, "setImageIcon", icon); |
| } |
| |
| /** |
| * Equivalent to calling AdapterView.setEmptyView |
| * |
| * @param viewId The id of the view on which to set the empty view |
| * @param emptyViewId The view id of the empty view |
| */ |
| public void setEmptyView(int viewId, int emptyViewId) { |
| addAction(new SetEmptyView(viewId, emptyViewId)); |
| } |
| |
| /** |
| * Equivalent to calling {@link Chronometer#setBase Chronometer.setBase}, |
| * {@link Chronometer#setFormat Chronometer.setFormat}, |
| * and {@link Chronometer#start Chronometer.start()} or |
| * {@link Chronometer#stop Chronometer.stop()}. |
| * |
| * @param viewId The id of the {@link Chronometer} to change |
| * @param base The time at which the timer would have read 0:00. This |
| * time should be based off of |
| * {@link android.os.SystemClock#elapsedRealtime SystemClock.elapsedRealtime()}. |
| * @param format The Chronometer format string, or null to |
| * simply display the timer value. |
| * @param started True if you want the clock to be started, false if not. |
| * |
| * @see #setChronometerCountDown(int, boolean) |
| */ |
| public void setChronometer(int viewId, long base, String format, boolean started) { |
| setLong(viewId, "setBase", base); |
| setString(viewId, "setFormat", format); |
| setBoolean(viewId, "setStarted", started); |
| } |
| |
| /** |
| * Equivalent to calling {@link Chronometer#setCountDown(boolean) Chronometer.setCountDown} on |
| * the chronometer with the given viewId. |
| * |
| * @param viewId The id of the {@link Chronometer} to change |
| * @param isCountDown True if you want the chronometer to count down to base instead of |
| * counting up. |
| */ |
| public void setChronometerCountDown(int viewId, boolean isCountDown) { |
| setBoolean(viewId, "setCountDown", isCountDown); |
| } |
| |
| /** |
| * Equivalent to calling {@link ProgressBar#setMax ProgressBar.setMax}, |
| * {@link ProgressBar#setProgress ProgressBar.setProgress}, and |
| * {@link ProgressBar#setIndeterminate ProgressBar.setIndeterminate} |
| * |
| * If indeterminate is true, then the values for max and progress are ignored. |
| * |
| * @param viewId The id of the {@link ProgressBar} to change |
| * @param max The 100% value for the progress bar |
| * @param progress The current value of the progress bar. |
| * @param indeterminate True if the progress bar is indeterminate, |
| * false if not. |
| */ |
| public void setProgressBar(int viewId, int max, int progress, |
| boolean indeterminate) { |
| setBoolean(viewId, "setIndeterminate", indeterminate); |
| if (!indeterminate) { |
| setInt(viewId, "setMax", max); |
| setInt(viewId, "setProgress", progress); |
| } |
| } |
| |
| /** |
| * Equivalent to calling |
| * {@link android.view.View#setOnClickListener(android.view.View.OnClickListener)} |
| * to launch the provided {@link PendingIntent}. |
| * |
| * When setting the on-click action of items within collections (eg. {@link ListView}, |
| * {@link StackView} etc.), this method will not work. Instead, use {@link |
| * RemoteViews#setPendingIntentTemplate(int, PendingIntent) in conjunction with |
| * RemoteViews#setOnClickFillInIntent(int, Intent). |
| * |
| * @param viewId The id of the view that will trigger the {@link PendingIntent} when clicked |
| * @param pendingIntent The {@link PendingIntent} to send when user clicks |
| */ |
| public void setOnClickPendingIntent(int viewId, PendingIntent pendingIntent) { |
| addAction(new SetOnClickPendingIntent(viewId, pendingIntent)); |
| } |
| |
| /** |
| * When using collections (eg. {@link ListView}, {@link StackView} etc.) in widgets, it is very |
| * costly to set PendingIntents on the individual items, and is hence not permitted. Instead |
| * this method should be used to set a single PendingIntent template on the collection, and |
| * individual items can differentiate their on-click behavior using |
| * {@link RemoteViews#setOnClickFillInIntent(int, Intent)}. |
| * |
| * @param viewId The id of the collection who's children will use this PendingIntent template |
| * when clicked |
| * @param pendingIntentTemplate The {@link PendingIntent} to be combined with extras specified |
| * by a child of viewId and executed when that child is clicked |
| */ |
| public void setPendingIntentTemplate(int viewId, PendingIntent pendingIntentTemplate) { |
| addAction(new SetPendingIntentTemplate(viewId, pendingIntentTemplate)); |
| } |
| |
| /** |
| * When using collections (eg. {@link ListView}, {@link StackView} etc.) in widgets, it is very |
| * costly to set PendingIntents on the individual items, and is hence not permitted. Instead |
| * a single PendingIntent template can be set on the collection, see {@link |
| * RemoteViews#setPendingIntentTemplate(int, PendingIntent)}, and the individual on-click |
| * action of a given item can be distinguished by setting a fillInIntent on that item. The |
| * fillInIntent is then combined with the PendingIntent template in order to determine the final |
| * intent which will be executed when the item is clicked. This works as follows: any fields |
| * which are left blank in the PendingIntent template, but are provided by the fillInIntent |
| * will be overwritten, and the resulting PendingIntent will be used. |
| * |
| * |
| * of the PendingIntent template will then be filled in with the associated fields that are |
| * set in fillInIntent. See {@link Intent#fillIn(Intent, int)} for more details. |
| * |
| * @param viewId The id of the view on which to set the fillInIntent |
| * @param fillInIntent The intent which will be combined with the parent's PendingIntent |
| * in order to determine the on-click behavior of the view specified by viewId |
| */ |
| public void setOnClickFillInIntent(int viewId, Intent fillInIntent) { |
| addAction(new SetOnClickFillInIntent(viewId, fillInIntent)); |
| } |
| |
| /** |
| * @hide |
| * Equivalent to calling a combination of {@link Drawable#setAlpha(int)}, |
| * {@link Drawable#setColorFilter(int, android.graphics.PorterDuff.Mode)}, |
| * and/or {@link Drawable#setLevel(int)} on the {@link Drawable} of a given |
| * view. |
| * <p> |
| * You can omit specific calls by marking their values with null or -1. |
| * |
| * @param viewId The id of the view that contains the target |
| * {@link Drawable} |
| * @param targetBackground If true, apply these parameters to the |
| * {@link Drawable} returned by |
| * {@link android.view.View#getBackground()}. Otherwise, assume |
| * the target view is an {@link ImageView} and apply them to |
| * {@link ImageView#getDrawable()}. |
| * @param alpha Specify an alpha value for the drawable, or -1 to leave |
| * unchanged. |
| * @param colorFilter Specify a color for a |
| * {@link android.graphics.ColorFilter} for this drawable. This will be ignored if |
| * {@code mode} is {@code null}. |
| * @param mode Specify a PorterDuff mode for this drawable, or null to leave |
| * unchanged. |
| * @param level Specify the level for the drawable, or -1 to leave |
| * unchanged. |
| */ |
| public void setDrawableParameters(int viewId, boolean targetBackground, int alpha, |
| int colorFilter, PorterDuff.Mode mode, int level) { |
| addAction(new SetDrawableParameters(viewId, targetBackground, alpha, |
| colorFilter, mode, level)); |
| } |
| |
| /** |
| * @hide |
| * Equivalent to calling {@link android.widget.ProgressBar#setProgressTintList}. |
| * |
| * @param viewId The id of the view whose tint should change |
| * @param tint the tint to apply, may be {@code null} to clear tint |
| */ |
| public void setProgressTintList(int viewId, ColorStateList tint) { |
| addAction(new ReflectionAction(viewId, "setProgressTintList", |
| ReflectionAction.COLOR_STATE_LIST, tint)); |
| } |
| |
| /** |
| * @hide |
| * Equivalent to calling {@link android.widget.ProgressBar#setProgressBackgroundTintList}. |
| * |
| * @param viewId The id of the view whose tint should change |
| * @param tint the tint to apply, may be {@code null} to clear tint |
| */ |
| public void setProgressBackgroundTintList(int viewId, ColorStateList tint) { |
| addAction(new ReflectionAction(viewId, "setProgressBackgroundTintList", |
| ReflectionAction.COLOR_STATE_LIST, tint)); |
| } |
| |
| /** |
| * @hide |
| * Equivalent to calling {@link android.widget.ProgressBar#setIndeterminateTintList}. |
| * |
| * @param viewId The id of the view whose tint should change |
| * @param tint the tint to apply, may be {@code null} to clear tint |
| */ |
| public void setProgressIndeterminateTintList(int viewId, ColorStateList tint) { |
| addAction(new ReflectionAction(viewId, "setIndeterminateTintList", |
| ReflectionAction.COLOR_STATE_LIST, tint)); |
| } |
| |
| /** |
| * Equivalent to calling {@link android.widget.TextView#setTextColor(int)}. |
| * |
| * @param viewId The id of the view whose text color should change |
| * @param color Sets the text color for all the states (normal, selected, |
| * focused) to be this color. |
| */ |
| public void setTextColor(int viewId, @ColorInt int color) { |
| setInt(viewId, "setTextColor", color); |
| } |
| |
| /** |
| * Equivalent to calling {@link android.widget.AbsListView#setRemoteViewsAdapter(Intent)}. |
| * |
| * @param appWidgetId The id of the app widget which contains the specified view. (This |
| * parameter is ignored in this deprecated method) |
| * @param viewId The id of the {@link AdapterView} |
| * @param intent The intent of the service which will be |
| * providing data to the RemoteViewsAdapter |
| * @deprecated This method has been deprecated. See |
| * {@link android.widget.RemoteViews#setRemoteAdapter(int, Intent)} |
| */ |
| @Deprecated |
| public void setRemoteAdapter(int appWidgetId, int viewId, Intent intent) { |
| setRemoteAdapter(viewId, intent); |
| } |
| |
| /** |
| * Equivalent to calling {@link android.widget.AbsListView#setRemoteViewsAdapter(Intent)}. |
| * Can only be used for App Widgets. |
| * |
| * @param viewId The id of the {@link AdapterView} |
| * @param intent The intent of the service which will be |
| * providing data to the RemoteViewsAdapter |
| */ |
| public void setRemoteAdapter(int viewId, Intent intent) { |
| addAction(new SetRemoteViewsAdapterIntent(viewId, intent)); |
| } |
| |
| /** |
| * Creates a simple Adapter for the viewId specified. The viewId must point to an AdapterView, |
| * ie. {@link ListView}, {@link GridView}, {@link StackView} or {@link AdapterViewAnimator}. |
| * This is a simpler but less flexible approach to populating collection widgets. Its use is |
| * encouraged for most scenarios, as long as the total memory within the list of RemoteViews |
| * is relatively small (ie. doesn't contain large or numerous Bitmaps, see {@link |
| * RemoteViews#setImageViewBitmap}). In the case of numerous images, the use of API is still |
| * possible by setting image URIs instead of Bitmaps, see {@link RemoteViews#setImageViewUri}. |
| * |
| * This API is supported in the compatibility library for previous API levels, see |
| * RemoteViewsCompat. |
| * |
| * @param viewId The id of the {@link AdapterView} |
| * @param list The list of RemoteViews which will populate the view specified by viewId. |
| * @param viewTypeCount The maximum number of unique layout id's used to construct the list of |
| * RemoteViews. This count cannot change during the life-cycle of a given widget, so this |
| * parameter should account for the maximum possible number of types that may appear in the |
| * See {@link Adapter#getViewTypeCount()}. |
| * |
| * @hide |
| */ |
| public void setRemoteAdapter(int viewId, ArrayList<RemoteViews> list, int viewTypeCount) { |
| addAction(new SetRemoteViewsAdapterList(viewId, list, viewTypeCount)); |
| } |
| |
| /** |
| * Equivalent to calling {@link android.widget.AbsListView#smoothScrollToPosition(int, int)}. |
| * |
| * @param viewId The id of the view to change |
| * @param position Scroll to this adapter position |
| */ |
| public void setScrollPosition(int viewId, int position) { |
| setInt(viewId, "smoothScrollToPosition", position); |
| } |
| |
| /** |
| * Equivalent to calling {@link android.widget.AbsListView#smoothScrollToPosition(int, int)}. |
| * |
| * @param viewId The id of the view to change |
| * @param offset Scroll by this adapter position offset |
| */ |
| public void setRelativeScrollPosition(int viewId, int offset) { |
| setInt(viewId, "smoothScrollByOffset", offset); |
| } |
| |
| /** |
| * Equivalent to calling {@link android.view.View#setPadding(int, int, int, int)}. |
| * |
| * @param viewId The id of the view to change |
| * @param left the left padding in pixels |
| * @param top the top padding in pixels |
| * @param right the right padding in pixels |
| * @param bottom the bottom padding in pixels |
| */ |
| public void setViewPadding(int viewId, int left, int top, int right, int bottom) { |
| addAction(new ViewPaddingAction(viewId, left, top, right, bottom)); |
| } |
| |
| /** |
| * @hide |
| * Equivalent to calling {@link android.view.ViewGroup.MarginLayoutParams#setMarginEnd(int)}. |
| * Only works if the {@link View#getLayoutParams()} supports margins. |
| * Hidden for now since we don't want to support this for all different layout margins yet. |
| * |
| * @param viewId The id of the view to change |
| * @param endMargin the left padding in pixels |
| */ |
| public void setViewLayoutMarginEnd(int viewId, int endMargin) { |
| addAction(new LayoutParamAction(viewId, LayoutParamAction.LAYOUT_MARGIN_END, endMargin)); |
| } |
| |
| /** |
| * Equivalent to setting {@link android.view.ViewGroup.MarginLayoutParams#bottomMargin}. |
| * |
| * @hide |
| */ |
| public void setViewLayoutMarginBottom(int viewId, int bottomMargin) { |
| addAction(new LayoutParamAction(viewId, LayoutParamAction.LAYOUT_MARGIN_BOTTOM, |
| bottomMargin)); |
| } |
| |
| /** |
| * Equivalent to setting {@link android.view.ViewGroup.LayoutParams#width}. |
| * @hide |
| */ |
| public void setViewLayoutWidth(int viewId, int layoutWidth) { |
| mActions.add(new LayoutParamAction(viewId, LayoutParamAction.LAYOUT_WIDTH, layoutWidth)); |
| } |
| |
| /** |
| * Call a method taking one boolean on a view in the layout for this RemoteViews. |
| * |
| * @param viewId The id of the view on which to call the method. |
| * @param methodName The name of the method to call. |
| * @param value The value to pass to the method. |
| */ |
| public void setBoolean(int viewId, String methodName, boolean value) { |
| addAction(new ReflectionAction(viewId, methodName, ReflectionAction.BOOLEAN, value)); |
| } |
| |
| /** |
| * Call a method taking one byte on a view in the layout for this RemoteViews. |
| * |
| * @param viewId The id of the view on which to call the method. |
| * @param methodName The name of the method to call. |
| * @param value The value to pass to the method. |
| */ |
| public void setByte(int viewId, String methodName, byte value) { |
| addAction(new ReflectionAction(viewId, methodName, ReflectionAction.BYTE, value)); |
| } |
| |
| /** |
| * Call a method taking one short on a view in the layout for this RemoteViews. |
| * |
| * @param viewId The id of the view on which to call the method. |
| * @param methodName The name of the method to call. |
| * @param value The value to pass to the method. |
| */ |
| public void setShort(int viewId, String methodName, short value) { |
| addAction(new ReflectionAction(viewId, methodName, ReflectionAction.SHORT, value)); |
| } |
| |
| /** |
| * Call a method taking one int on a view in the layout for this RemoteViews. |
| * |
| * @param viewId The id of the view on which to call the method. |
| * @param methodName The name of the method to call. |
| * @param value The value to pass to the method. |
| */ |
| public void setInt(int viewId, String methodName, int value) { |
| addAction(new ReflectionAction(viewId, methodName, ReflectionAction.INT, value)); |
| } |
| |
| /** |
| * Call a method taking one long on a view in the layout for this RemoteViews. |
| * |
| * @param viewId The id of the view on which to call the method. |
| * @param methodName The name of the method to call. |
| * @param value The value to pass to the method. |
| */ |
| public void setLong(int viewId, String methodName, long value) { |
| addAction(new ReflectionAction(viewId, methodName, ReflectionAction.LONG, value)); |
| } |
| |
| /** |
| * Call a method taking one float on a view in the layout for this RemoteViews. |
| * |
| * @param viewId The id of the view on which to call the method. |
| * @param methodName The name of the method to call. |
| * @param value The value to pass to the method. |
| */ |
| public void setFloat(int viewId, String methodName, float value) { |
| addAction(new ReflectionAction(viewId, methodName, ReflectionAction.FLOAT, value)); |
| } |
| |
| /** |
| * Call a method taking one double on a view in the layout for this RemoteViews. |
| * |
| * @param viewId The id of the view on which to call the method. |
| * @param methodName The name of the method to call. |
| * @param value The value to pass to the method. |
| */ |
| public void setDouble(int viewId, String methodName, double value) { |
| addAction(new ReflectionAction(viewId, methodName, ReflectionAction.DOUBLE, value)); |
| } |
| |
| /** |
| * Call a method taking one char on a view in the layout for this RemoteViews. |
| * |
| * @param viewId The id of the view on which to call the method. |
| * @param methodName The name of the method to call. |
| * @param value The value to pass to the method. |
| */ |
| public void setChar(int viewId, String methodName, char value) { |
| addAction(new ReflectionAction(viewId, methodName, ReflectionAction.CHAR, value)); |
| } |
| |
| /** |
| * Call a method taking one String on a view in the layout for this RemoteViews. |
| * |
| * @param viewId The id of the view on which to call the method. |
| * @param methodName The name of the method to call. |
| * @param value The value to pass to the method. |
| */ |
| public void setString(int viewId, String methodName, String value) { |
| addAction(new ReflectionAction(viewId, methodName, ReflectionAction.STRING, value)); |
| } |
| |
| /** |
| * Call a method taking one CharSequence on a view in the layout for this RemoteViews. |
| * |
| * @param viewId The id of the view on which to call the method. |
| * @param methodName The name of the method to call. |
| * @param value The value to pass to the method. |
| */ |
| public void setCharSequence(int viewId, String methodName, CharSequence value) { |
| addAction(new ReflectionAction(viewId, methodName, ReflectionAction.CHAR_SEQUENCE, value)); |
| } |
| |
| /** |
| * Call a method taking one Uri on a view in the layout for this RemoteViews. |
| * |
| * @param viewId The id of the view on which to call the method. |
| * @param methodName The name of the method to call. |
| * @param value The value to pass to the method. |
| */ |
| public void setUri(int viewId, String methodName, Uri value) { |
| if (value != null) { |
| // Resolve any filesystem path before sending remotely |
| value = value.getCanonicalUri(); |
| if (StrictMode.vmFileUriExposureEnabled()) { |
| value.checkFileUriExposed("RemoteViews.setUri()"); |
| } |
| } |
| addAction(new ReflectionAction(viewId, methodName, ReflectionAction.URI, value)); |
| } |
| |
| /** |
| * Call a method taking one Bitmap on a view in the layout for this RemoteViews. |
| * @more |
| * <p class="note">The bitmap will be flattened into the parcel if this object is |
| * sent across processes, so it may end up using a lot of memory, and may be fairly slow.</p> |
| * |
| * @param viewId The id of the view on which to call the method. |
| * @param methodName The name of the method to call. |
| * @param value The value to pass to the method. |
| */ |
| public void setBitmap(int viewId, String methodName, Bitmap value) { |
| addAction(new BitmapReflectionAction(viewId, methodName, value)); |
| } |
| |
| /** |
| * Call a method taking one Bundle on a view in the layout for this RemoteViews. |
| * |
| * @param viewId The id of the view on which to call the method. |
| * @param methodName The name of the method to call. |
| * @param value The value to pass to the method. |
| */ |
| public void setBundle(int viewId, String methodName, Bundle value) { |
| addAction(new ReflectionAction(viewId, methodName, ReflectionAction.BUNDLE, value)); |
| } |
| |
| /** |
| * Call a method taking one Intent on a view in the layout for this RemoteViews. |
| * |
| * @param viewId The id of the view on which to call the method. |
| * @param methodName The name of the method to call. |
| * @param value The {@link android.content.Intent} to pass the method. |
| */ |
| public void setIntent(int viewId, String methodName, Intent value) { |
| addAction(new ReflectionAction(viewId, methodName, ReflectionAction.INTENT, value)); |
| } |
| |
| /** |
| * Call a method taking one Icon on a view in the layout for this RemoteViews. |
| * |
| * @param viewId The id of the view on which to call the method. |
| * @param methodName The name of the method to call. |
| * @param value The {@link android.graphics.drawable.Icon} to pass the method. |
| */ |
| public void setIcon(int viewId, String methodName, Icon value) { |
| addAction(new ReflectionAction(viewId, methodName, ReflectionAction.ICON, value)); |
| } |
| |
| /** |
| * Equivalent to calling View.setContentDescription(CharSequence). |
| * |
| * @param viewId The id of the view whose content description should change. |
| * @param contentDescription The new content description for the view. |
| */ |
| public void setContentDescription(int viewId, CharSequence contentDescription) { |
| setCharSequence(viewId, "setContentDescription", contentDescription); |
| } |
| |
| /** |
| * Equivalent to calling {@link android.view.View#setAccessibilityTraversalBefore(int)}. |
| * |
| * @param viewId The id of the view whose before view in accessibility traversal to set. |
| * @param nextId The id of the next in the accessibility traversal. |
| **/ |
| public void setAccessibilityTraversalBefore(int viewId, int nextId) { |
| setInt(viewId, "setAccessibilityTraversalBefore", nextId); |
| } |
| |
| /** |
| * Equivalent to calling {@link android.view.View#setAccessibilityTraversalAfter(int)}. |
| * |
| * @param viewId The id of the view whose after view in accessibility traversal to set. |
| * @param nextId The id of the next in the accessibility traversal. |
| **/ |
| public void setAccessibilityTraversalAfter(int viewId, int nextId) { |
| setInt(viewId, "setAccessibilityTraversalAfter", nextId); |
| } |
| |
| /** |
| * Equivalent to calling View.setLabelFor(int). |
| * |
| * @param viewId The id of the view whose property to set. |
| * @param labeledId The id of a view for which this view serves as a label. |
| */ |
| public void setLabelFor(int viewId, int labeledId) { |
| setInt(viewId, "setLabelFor", labeledId); |
| } |
| |
| private RemoteViews getRemoteViewsToApply(Context context) { |
| if (hasLandscapeAndPortraitLayouts()) { |
| int orientation = context.getResources().getConfiguration().orientation; |
| if (orientation == Configuration.ORIENTATION_LANDSCAPE) { |
| return mLandscape; |
| } else { |
| return mPortrait; |
| } |
| } |
| return this; |
| } |
| |
| /** |
| * Inflates the view hierarchy represented by this object and applies |
| * all of the actions. |
| * |
| * <p><strong>Caller beware: this may throw</strong> |
| * |
| * @param context Default context to use |
| * @param parent Parent that the resulting view hierarchy will be attached to. This method |
| * does <strong>not</strong> attach the hierarchy. The caller should do so when appropriate. |
| * @return The inflated view hierarchy |
| */ |
| public View apply(Context context, ViewGroup parent) { |
| return apply(context, parent, null); |
| } |
| |
| /** @hide */ |
| public View apply(Context context, ViewGroup parent, OnClickHandler handler) { |
| RemoteViews rvToApply = getRemoteViewsToApply(context); |
| |
| View result = inflateView(context, rvToApply, parent); |
| loadTransitionOverride(context, handler); |
| |
| rvToApply.performApply(result, parent, handler); |
| |
| return result; |
| } |
| |
| private View inflateView(Context context, RemoteViews rv, ViewGroup parent) { |
| // RemoteViews may be built by an application installed in another |
| // user. So build a context that loads resources from that user but |
| // still returns the current users userId so settings like data / time formats |
| // are loaded without requiring cross user persmissions. |
| final Context contextForResources = getContextForResources(context); |
| Context inflationContext = new ContextWrapper(context) { |
| @Override |
| public Resources getResources() { |
| return contextForResources.getResources(); |
| } |
| @Override |
| public Resources.Theme getTheme() { |
| return contextForResources.getTheme(); |
| } |
| @Override |
| public String getPackageName() { |
| return contextForResources.getPackageName(); |
| } |
| }; |
| |
| LayoutInflater inflater = (LayoutInflater) |
| context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); |
| |
| // Clone inflater so we load resources from correct context and |
| // we don't add a filter to the static version returned by getSystemService. |
| inflater = inflater.cloneInContext(inflationContext); |
| inflater.setFilter(this); |
| View v = inflater.inflate(rv.getLayoutId(), parent, false); |
| v.setTagInternal(R.id.widget_frame, rv.getLayoutId()); |
| return v; |
| } |
| |
| private static void loadTransitionOverride(Context context, |
| RemoteViews.OnClickHandler handler) { |
| if (handler != null && context.getResources().getBoolean( |
| com.android.internal.R.bool.config_overrideRemoteViewsActivityTransition)) { |
| TypedArray windowStyle = context.getTheme().obtainStyledAttributes( |
| com.android.internal.R.styleable.Window); |
| int windowAnimations = windowStyle.getResourceId( |
| com.android.internal.R.styleable.Window_windowAnimationStyle, 0); |
| TypedArray windowAnimationStyle = context.obtainStyledAttributes( |
| windowAnimations, com.android.internal.R.styleable.WindowAnimation); |
| handler.setEnterAnimationId(windowAnimationStyle.getResourceId( |
| com.android.internal.R.styleable. |
| WindowAnimation_activityOpenRemoteViewsEnterAnimation, 0)); |
| windowStyle.recycle(); |
| windowAnimationStyle.recycle(); |
| } |
| } |
| |
| /** |
| * Implement this interface to receive a callback when |
| * {@link #applyAsync} or {@link #reapplyAsync} is finished. |
| * @hide |
| */ |
| public interface OnViewAppliedListener { |
| void onViewApplied(View v); |
| |
| void onError(Exception e); |
| } |
| |
| /** |
| * Applies the views asynchronously, moving as much of the task on the background |
| * thread as possible. |
| * |
| * @see {@link #apply(Context, ViewGroup)} |
| * @param context Default context to use |
| * @param parent Parent that the resulting view hierarchy will be attached to. This method |
| * does <strong>not</strong> attach the hierarchy. The caller should do so when appropriate. |
| * @param listener the callback to run when all actions have been applied. May be null. |
| * @param executor The executor to use. If null {@link AsyncTask#THREAD_POOL_EXECUTOR} is used. |
| * @return CancellationSignal |
| * @hide |
| */ |
| public CancellationSignal applyAsync( |
| Context context, ViewGroup parent, Executor executor, OnViewAppliedListener listener) { |
| return applyAsync(context, parent, executor, listener, null); |
| } |
| |
| private CancellationSignal startTaskOnExecutor(AsyncApplyTask task, Executor executor) { |
| CancellationSignal cancelSignal = new CancellationSignal(); |
| cancelSignal.setOnCancelListener(task); |
| |
| task.executeOnExecutor(executor == null ? AsyncTask.THREAD_POOL_EXECUTOR : executor); |
| return cancelSignal; |
| } |
| |
| /** @hide */ |
| public CancellationSignal applyAsync(Context context, ViewGroup parent, |
| Executor executor, OnViewAppliedListener listener, OnClickHandler handler) { |
| return startTaskOnExecutor(getAsyncApplyTask(context, parent, listener, handler), executor); |
| } |
| |
| private AsyncApplyTask getAsyncApplyTask(Context context, ViewGroup parent, |
| OnViewAppliedListener listener, OnClickHandler handler) { |
| return new AsyncApplyTask(getRemoteViewsToApply(context), parent, context, listener, |
| handler, null); |
| } |
| |
| private class AsyncApplyTask extends AsyncTask<Void, Void, ViewTree> |
| implements CancellationSignal.OnCancelListener { |
| final RemoteViews mRV; |
| final ViewGroup mParent; |
| final Context mContext; |
| final OnViewAppliedListener mListener; |
| final OnClickHandler mHandler; |
| |
| private View mResult; |
| private ViewTree mTree; |
| private Action[] mActions; |
| private Exception mError; |
| |
| private AsyncApplyTask( |
| RemoteViews rv, ViewGroup parent, Context context, OnViewAppliedListener listener, |
| OnClickHandler handler, View result) { |
| mRV = rv; |
| mParent = parent; |
| mContext = context; |
| mListener = listener; |
| mHandler = handler; |
| |
| mResult = result; |
| loadTransitionOverride(context, handler); |
| } |
| |
| @Override |
| protected ViewTree doInBackground(Void... params) { |
| try { |
| if (mResult == null) { |
| mResult = inflateView(mContext, mRV, mParent); |
| } |
| |
| mTree = new ViewTree(mResult); |
| if (mRV.mActions != null) { |
| int count = mRV.mActions.size(); |
| mActions = new Action[count]; |
| for (int i = 0; i < count && !isCancelled(); i++) { |
| // TODO: check if isCanclled in nested views. |
| mActions[i] = mRV.mActions.get(i).initActionAsync(mTree, mParent, mHandler); |
| } |
| } else { |
| mActions = null; |
| } |
| return mTree; |
| } catch (Exception e) { |
| mError = e; |
| return null; |
| } |
| } |
| |
| @Override |
| protected void onPostExecute(ViewTree viewTree) { |
| if (mError == null) { |
| try { |
| if (mActions != null) { |
| OnClickHandler handler = mHandler == null |
| ? DEFAULT_ON_CLICK_HANDLER : mHandler; |
| for (Action a : mActions) { |
| a.apply(viewTree.mRoot, mParent, handler); |
| } |
| } |
| } catch (Exception e) { |
| mError = e; |
| } |
| } |
| |
| if (mListener != null) { |
| if (mError != null) { |
| mListener.onError(mError); |
| } else { |
| mListener.onViewApplied(viewTree.mRoot); |
| } |
| } else if (mError != null) { |
| if (mError instanceof ActionException) { |
| throw (ActionException) mError; |
| } else { |
| throw new ActionException(mError); |
| } |
| } |
| } |
| |
| @Override |
| public void onCancel() { |
| cancel(true); |
| } |
| } |
| |
| /** |
| * Applies all of the actions to the provided view. |
| * |
| * <p><strong>Caller beware: this may throw</strong> |
| * |
| * @param v The view to apply the actions to. This should be the result of |
| * the {@link #apply(Context,ViewGroup)} call. |
| */ |
| public void reapply(Context context, View v) { |
| reapply(context, v, null); |
| } |
| |
| /** @hide */ |
| public void reapply(Context context, View v, OnClickHandler handler) { |
| RemoteViews rvToApply = getRemoteViewsToApply(context); |
| |
| // In the case that a view has this RemoteViews applied in one orientation, is persisted |
| // across orientation change, and has the RemoteViews re-applied in the new orientation, |
| // we throw an exception, since the layouts may be completely unrelated. |
| if (hasLandscapeAndPortraitLayouts()) { |
| if ((Integer) v.getTag(R.id.widget_frame) != rvToApply.getLayoutId()) { |
| throw new RuntimeException("Attempting to re-apply RemoteViews to a view that" + |
| " that does not share the same root layout id."); |
| } |
| } |
| |
| rvToApply.performApply(v, (ViewGroup) v.getParent(), handler); |
| } |
| |
| /** |
| * Applies all the actions to the provided view, moving as much of the task on the background |
| * thread as possible. |
| * |
| * @see {@link #reapply(Context, View)} |
| * @param context Default context to use |
| * @param v The view to apply the actions to. This should be the result of |
| * the {@link #apply(Context,ViewGroup)} call. |
| * @param listener the callback to run when all actions have been applied. May be null. |
| * @param executor The executor to use. If null {@link AsyncTask#THREAD_POOL_EXECUTOR} is used |
| * @return CancellationSignal |
| * @hide |
| */ |
| public CancellationSignal reapplyAsync( |
| Context context, View v, Executor executor, OnViewAppliedListener listener) { |
| return reapplyAsync(context, v, executor, listener, null); |
| } |
| |
| /** @hide */ |
| public CancellationSignal reapplyAsync(Context context, View v, Executor executor, |
| OnViewAppliedListener listener, OnClickHandler handler) { |
| RemoteViews rvToApply = getRemoteViewsToApply(context); |
| |
| // In the case that a view has this RemoteViews applied in one orientation, is persisted |
| // across orientation change, and has the RemoteViews re-applied in the new orientation, |
| // we throw an exception, since the layouts may be completely unrelated. |
| if (hasLandscapeAndPortraitLayouts()) { |
| if ((Integer) v.getTag(R.id.widget_frame) != rvToApply.getLayoutId()) { |
| throw new RuntimeException("Attempting to re-apply RemoteViews to a view that" + |
| " that does not share the same root layout id."); |
| } |
| } |
| |
| return startTaskOnExecutor(new AsyncApplyTask(rvToApply, (ViewGroup) v.getParent(), |
| context, listener, handler, v), executor); |
| } |
| |
| private void performApply(View v, ViewGroup parent, OnClickHandler handler) { |
| if (mActions != null) { |
| handler = handler == null ? DEFAULT_ON_CLICK_HANDLER : handler; |
| final int count = mActions.size(); |
| for (int i = 0; i < count; i++) { |
| Action a = mActions.get(i); |
| a.apply(v, parent, handler); |
| } |
| } |
| } |
| |
| private Context getContextForResources(Context context) { |
| if (mApplication != null) { |
| if (context.getUserId() == UserHandle.getUserId(mApplication.uid) |
| && context.getPackageName().equals(mApplication.packageName)) { |
| return context; |
| } |
| try { |
| return context.createApplicationContext(mApplication, |
| Context.CONTEXT_RESTRICTED); |
| } catch (NameNotFoundException e) { |
| Log.e(LOG_TAG, "Package name " + mApplication.packageName + " not found"); |
| } |
| } |
| |
| return context; |
| } |
| |
| /** |
| * Returns the number of actions in this RemoteViews. Can be used as a sequence number. |
| * |
| * @hide |
| */ |
| public int getSequenceNumber() { |
| return (mActions == null) ? 0 : mActions.size(); |
| } |
| |
| /* (non-Javadoc) |
| * Used to restrict the views which can be inflated |
| * |
| * @see android.view.LayoutInflater.Filter#onLoadClass(java.lang.Class) |
| */ |
| public boolean onLoadClass(Class clazz) { |
| return clazz.isAnnotationPresent(RemoteView.class); |
| } |
| |
| public int describeContents() { |
| return 0; |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| if (!hasLandscapeAndPortraitLayouts()) { |
| dest.writeInt(MODE_NORMAL); |
| // We only write the bitmap cache if we are the root RemoteViews, as this cache |
| // is shared by all children. |
| if (mIsRoot) { |
| mBitmapCache.writeBitmapsToParcel(dest, flags); |
| } |
| dest.writeParcelable(mApplication, flags); |
| dest.writeInt(mLayoutId); |
| dest.writeInt(mIsWidgetCollectionChild ? 1 : 0); |
| int count; |
| if (mActions != null) { |
| count = mActions.size(); |
| } else { |
| count = 0; |
| } |
| dest.writeInt(count); |
| for (int i=0; i<count; i++) { |
| Action a = mActions.get(i); |
| a.writeToParcel(dest, 0); |
| } |
| } else { |
| dest.writeInt(MODE_HAS_LANDSCAPE_AND_PORTRAIT); |
| // We only write the bitmap cache if we are the root RemoteViews, as this cache |
| // is shared by all children. |
| if (mIsRoot) { |
| mBitmapCache.writeBitmapsToParcel(dest, flags); |
| } |
| mLandscape.writeToParcel(dest, flags); |
| mPortrait.writeToParcel(dest, flags); |
| } |
| } |
| |
| private static ApplicationInfo getApplicationInfo(String packageName, int userId) { |
| if (packageName == null) { |
| return null; |
| } |
| |
| // Get the application for the passed in package and user. |
| Application application = ActivityThread.currentApplication(); |
| if (application == null) { |
| throw new IllegalStateException("Cannot create remote views out of an aplication."); |
| } |
| |
| ApplicationInfo applicationInfo = application.getApplicationInfo(); |
| if (UserHandle.getUserId(applicationInfo.uid) != userId |
| || !applicationInfo.packageName.equals(packageName)) { |
| try { |
| Context context = application.getBaseContext().createPackageContextAsUser( |
| packageName, 0, new UserHandle(userId)); |
| applicationInfo = context.getApplicationInfo(); |
| } catch (NameNotFoundException nnfe) { |
| throw new IllegalArgumentException("No such package " + packageName); |
| } |
| } |
| |
| return applicationInfo; |
| } |
| |
| /** |
| * Parcelable.Creator that instantiates RemoteViews objects |
| */ |
| public static final Parcelable.Creator<RemoteViews> CREATOR = new Parcelable.Creator<RemoteViews>() { |
| public RemoteViews createFromParcel(Parcel parcel) { |
| return new RemoteViews(parcel); |
| } |
| |
| public RemoteViews[] newArray(int size) { |
| return new RemoteViews[size]; |
| } |
| }; |
| |
| /** |
| * A representation of the view hierarchy. Only views which have a valid ID are added |
| * and can be searched. |
| */ |
| private static class ViewTree { |
| private final View mRoot; |
| |
| private ArrayList<ViewTree> mChildren; |
| |
| private ViewTree(View root) { |
| mRoot = root; |
| } |
| |
| public void createTree() { |
| if (mChildren != null) { |
| return; |
| } |
| |
| mChildren = new ArrayList<>(); |
| if (mRoot instanceof ViewGroup && mRoot.isRootNamespace()) { |
| ViewGroup vg = (ViewGroup) mRoot; |
| int count = vg.getChildCount(); |
| for (int i = 0; i < count; i++) { |
| addViewChild(vg.getChildAt(i)); |
| } |
| } |
| } |
| |
| public ViewTree findViewTreeById(int id) { |
| if (mRoot.getId() == id) { |
| return this; |
| } |
| if (mChildren == null) { |
| return null; |
| } |
| for (ViewTree tree : mChildren) { |
| ViewTree result = tree.findViewTreeById(id); |
| if (result != null) { |
| return result; |
| } |
| } |
| return null; |
| } |
| |
| public View findViewById(int id) { |
| if (mChildren == null) { |
| return mRoot.findViewById(id); |
| } |
| ViewTree tree = findViewTreeById(id); |
| return tree == null ? null : tree.mRoot; |
| } |
| |
| public void addChild(ViewTree child) { |
| if (mChildren == null) { |
| mChildren = new ArrayList<>(); |
| } |
| child.createTree(); |
| mChildren.add(child); |
| } |
| |
| private void addViewChild(View v) { |
| final ViewTree target; |
| |
| // If the view has a valid id, i.e., if can be found using findViewById, add it to the |
| // tree, otherwise skip this view and add its children instead. |
| if (v.getId() != 0) { |
| ViewTree tree = new ViewTree(v); |
| mChildren.add(tree); |
| target = tree; |
| } else { |
| target = this; |
| } |
| |
| if (v instanceof ViewGroup && v.isRootNamespace()) { |
| if (target.mChildren == null) { |
| target.mChildren = new ArrayList<>(); |
| ViewGroup vg = (ViewGroup) v; |
| int count = vg.getChildCount(); |
| for (int i = 0; i < count; i++) { |
| target.addViewChild(vg.getChildAt(i)); |
| } |
| } |
| } |
| } |
| } |
| } |