| package com.android.launcher3; |
| |
| import static android.appwidget.AppWidgetManager.INVALID_APPWIDGET_ID; |
| import static android.appwidget.AppWidgetProviderInfo.WIDGET_FEATURE_RECONFIGURABLE; |
| |
| import static com.android.launcher3.Launcher.REQUEST_RECONFIGURE_APPWIDGET; |
| import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_DESKTOP; |
| import static com.android.launcher3.accessibility.LauncherAccessibilityDelegate.DISMISS_PREDICTION; |
| import static com.android.launcher3.accessibility.LauncherAccessibilityDelegate.INVALID; |
| import static com.android.launcher3.accessibility.LauncherAccessibilityDelegate.RECONFIGURE; |
| import static com.android.launcher3.accessibility.LauncherAccessibilityDelegate.UNINSTALL; |
| import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_DISMISS_PREDICTION_UNDO; |
| import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ITEM_DROPPED_ON_DONT_SUGGEST; |
| import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ITEM_DROPPED_ON_UNINSTALL; |
| import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ITEM_UNINSTALL_CANCELLED; |
| import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ITEM_UNINSTALL_COMPLETED; |
| import static com.android.launcher3.model.data.ItemInfoWithIcon.FLAG_SYSTEM_MASK; |
| import static com.android.launcher3.model.data.ItemInfoWithIcon.FLAG_SYSTEM_NO; |
| |
| import android.appwidget.AppWidgetHostView; |
| import android.appwidget.AppWidgetProviderInfo; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.LauncherActivityInfo; |
| import android.content.pm.LauncherApps; |
| import android.content.pm.PackageManager; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.util.ArrayMap; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.view.View; |
| import android.widget.Toast; |
| |
| import com.android.launcher3.config.FeatureFlags; |
| import com.android.launcher3.dragndrop.DragOptions; |
| import com.android.launcher3.logging.FileLog; |
| import com.android.launcher3.logging.InstanceId; |
| import com.android.launcher3.logging.InstanceIdSequence; |
| import com.android.launcher3.logging.StatsLogManager; |
| import com.android.launcher3.logging.StatsLogManager.StatsLogger; |
| import com.android.launcher3.model.data.ItemInfo; |
| import com.android.launcher3.model.data.ItemInfoWithIcon; |
| import com.android.launcher3.model.data.LauncherAppWidgetInfo; |
| import com.android.launcher3.util.PackageManagerHelper; |
| import com.android.launcher3.util.PendingRequestArgs; |
| import com.android.launcher3.views.Snackbar; |
| import com.android.launcher3.widget.LauncherAppWidgetProviderInfo; |
| |
| import java.net.URISyntaxException; |
| |
| /** |
| * Drop target which provides a secondary option for an item. |
| * For app targets: shows as uninstall |
| * For configurable widgets: shows as setup |
| * For predicted app icons: don't suggest app |
| */ |
| public class SecondaryDropTarget extends ButtonDropTarget implements OnAlarmListener { |
| |
| private static final String TAG = "SecondaryDropTarget"; |
| |
| private static final long CACHE_EXPIRE_TIMEOUT = 5000; |
| private final ArrayMap<UserHandle, Boolean> mUninstallDisabledCache = new ArrayMap<>(1); |
| private final StatsLogManager mStatsLogManager; |
| private final Alarm mCacheExpireAlarm; |
| private boolean mHadPendingAlarm; |
| |
| protected int mCurrentAccessibilityAction = -1; |
| |
| public SecondaryDropTarget(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public SecondaryDropTarget(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| mCacheExpireAlarm = new Alarm(); |
| mStatsLogManager = StatsLogManager.newInstance(context); |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| if (mHadPendingAlarm) { |
| mCacheExpireAlarm.setAlarm(CACHE_EXPIRE_TIMEOUT); |
| mCacheExpireAlarm.setOnAlarmListener(this); |
| mHadPendingAlarm = false; |
| } |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| super.onDetachedFromWindow(); |
| if (mCacheExpireAlarm.alarmPending()) { |
| mCacheExpireAlarm.cancelAlarm(); |
| mCacheExpireAlarm.setOnAlarmListener(null); |
| mHadPendingAlarm = true; |
| } |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| super.onFinishInflate(); |
| setupUi(UNINSTALL); |
| } |
| |
| protected void setupUi(int action) { |
| if (action == mCurrentAccessibilityAction) { |
| return; |
| } |
| mCurrentAccessibilityAction = action; |
| |
| if (action == UNINSTALL) { |
| setDrawable(R.drawable.ic_uninstall_no_shadow); |
| updateText(R.string.uninstall_drop_target_label); |
| } else if (action == DISMISS_PREDICTION) { |
| setDrawable(R.drawable.ic_block_no_shadow); |
| updateText(R.string.dismiss_prediction_label); |
| } else if (action == RECONFIGURE) { |
| setDrawable(R.drawable.ic_setting); |
| updateText(R.string.gadget_setup_text); |
| } |
| } |
| |
| @Override |
| public void onAlarm(Alarm alarm) { |
| mUninstallDisabledCache.clear(); |
| } |
| |
| @Override |
| public int getAccessibilityAction() { |
| return mCurrentAccessibilityAction; |
| } |
| |
| @Override |
| protected void setupItemInfo(ItemInfo info) { |
| int buttonType = getButtonType(info, getViewUnderDrag(info)); |
| if (buttonType != INVALID) { |
| setupUi(buttonType); |
| } |
| } |
| |
| @Override |
| protected boolean supportsDrop(ItemInfo info) { |
| return getButtonType(info, getViewUnderDrag(info)) != INVALID; |
| } |
| |
| @Override |
| public boolean supportsAccessibilityDrop(ItemInfo info, View view) { |
| return getButtonType(info, view) != INVALID; |
| } |
| |
| private int getButtonType(ItemInfo info, View view) { |
| if (view instanceof AppWidgetHostView) { |
| if (getReconfigurableWidgetId(view) != INVALID_APPWIDGET_ID) { |
| return RECONFIGURE; |
| } |
| return INVALID; |
| } else if (info.isPredictedItem()) { |
| return DISMISS_PREDICTION; |
| } |
| |
| Boolean uninstallDisabled = mUninstallDisabledCache.get(info.user); |
| if (uninstallDisabled == null) { |
| UserManager userManager = |
| (UserManager) getContext().getSystemService(Context.USER_SERVICE); |
| Bundle restrictions = userManager.getUserRestrictions(info.user); |
| uninstallDisabled = restrictions.getBoolean(UserManager.DISALLOW_APPS_CONTROL, false) |
| || restrictions.getBoolean(UserManager.DISALLOW_UNINSTALL_APPS, false); |
| mUninstallDisabledCache.put(info.user, uninstallDisabled); |
| } |
| // Cancel any pending alarm and set cache expiry after some time |
| mCacheExpireAlarm.setAlarm(CACHE_EXPIRE_TIMEOUT); |
| mCacheExpireAlarm.setOnAlarmListener(this); |
| if (uninstallDisabled) { |
| return INVALID; |
| } |
| |
| if (info instanceof ItemInfoWithIcon) { |
| ItemInfoWithIcon iconInfo = (ItemInfoWithIcon) info; |
| if ((iconInfo.runtimeStatusFlags & FLAG_SYSTEM_MASK) != 0 |
| && (iconInfo.runtimeStatusFlags & FLAG_SYSTEM_NO) == 0) { |
| return INVALID; |
| } |
| } |
| if (getUninstallTarget(info) == null) { |
| return INVALID; |
| } |
| return UNINSTALL; |
| } |
| |
| /** |
| * @return the component name that should be uninstalled or null. |
| */ |
| private ComponentName getUninstallTarget(ItemInfo item) { |
| Intent intent = null; |
| UserHandle user = null; |
| if (item != null && |
| item.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { |
| intent = item.getIntent(); |
| user = item.user; |
| } |
| if (intent != null) { |
| LauncherActivityInfo info = mLauncher.getSystemService(LauncherApps.class) |
| .resolveActivity(intent, user); |
| if (info != null |
| && (info.getApplicationInfo().flags & ApplicationInfo.FLAG_SYSTEM) == 0) { |
| return info.getComponentName(); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public void onDrop(DragObject d, DragOptions options) { |
| // Defer onComplete |
| d.dragSource = new DeferredOnComplete(d.dragSource, getContext()); |
| |
| super.onDrop(d, options); |
| doLog(d.logInstanceId, d.originalDragInfo); |
| } |
| |
| private void doLog(InstanceId logInstanceId, ItemInfo itemInfo) { |
| StatsLogger logger = mStatsLogManager.logger().withInstanceId(logInstanceId); |
| if (itemInfo != null) { |
| logger.withItemInfo(itemInfo); |
| } |
| if (mCurrentAccessibilityAction == UNINSTALL) { |
| logger.log(LAUNCHER_ITEM_DROPPED_ON_UNINSTALL); |
| } else if (mCurrentAccessibilityAction == DISMISS_PREDICTION) { |
| logger.log(LAUNCHER_ITEM_DROPPED_ON_DONT_SUGGEST); |
| } |
| } |
| |
| @Override |
| public void completeDrop(final DragObject d) { |
| ComponentName target = performDropAction(getViewUnderDrag(d.dragInfo), d.dragInfo, |
| d.logInstanceId); |
| if (d.dragSource instanceof DeferredOnComplete) { |
| DeferredOnComplete deferred = (DeferredOnComplete) d.dragSource; |
| if (target != null) { |
| deferred.mPackageName = target.getPackageName(); |
| mLauncher.addOnResumeCallback(deferred::onLauncherResume); |
| } else { |
| deferred.sendFailure(); |
| } |
| } |
| } |
| |
| private View getViewUnderDrag(ItemInfo info) { |
| if (info instanceof LauncherAppWidgetInfo && info.container == CONTAINER_DESKTOP && |
| mLauncher.getWorkspace().getDragInfo() != null) { |
| return mLauncher.getWorkspace().getDragInfo().cell; |
| } |
| return null; |
| } |
| |
| /** |
| * Verifies that the view is an reconfigurable widget and returns the corresponding widget Id, |
| * otherwise return {@code INVALID_APPWIDGET_ID} |
| */ |
| private int getReconfigurableWidgetId(View view) { |
| if (!(view instanceof AppWidgetHostView)) { |
| return INVALID_APPWIDGET_ID; |
| } |
| AppWidgetHostView hostView = (AppWidgetHostView) view; |
| AppWidgetProviderInfo widgetInfo = hostView.getAppWidgetInfo(); |
| if (widgetInfo == null || widgetInfo.configure == null) { |
| return INVALID_APPWIDGET_ID; |
| } |
| if ( (LauncherAppWidgetProviderInfo.fromProviderInfo(getContext(), widgetInfo) |
| .getWidgetFeatures() & WIDGET_FEATURE_RECONFIGURABLE) == 0) { |
| return INVALID_APPWIDGET_ID; |
| } |
| return hostView.getAppWidgetId(); |
| } |
| |
| /** |
| * Performs the drop action and returns the target component for the dragObject or null if |
| * the action was not performed. |
| */ |
| protected ComponentName performDropAction(View view, ItemInfo info, InstanceId instanceId) { |
| if (mCurrentAccessibilityAction == RECONFIGURE) { |
| int widgetId = getReconfigurableWidgetId(view); |
| if (widgetId != INVALID_APPWIDGET_ID) { |
| mLauncher.setWaitingForResult( |
| PendingRequestArgs.forWidgetInfo(widgetId, null, info)); |
| mLauncher.getAppWidgetHolder().startConfigActivity(mLauncher, widgetId, |
| REQUEST_RECONFIGURE_APPWIDGET); |
| } |
| return null; |
| } |
| if (mCurrentAccessibilityAction == DISMISS_PREDICTION) { |
| if (FeatureFlags.ENABLE_DISMISS_PREDICTION_UNDO.get()) { |
| mLauncher.getDragLayer() |
| .announceForAccessibility(getContext().getString(R.string.item_removed)); |
| Snackbar.show(mLauncher, R.string.item_removed, R.string.undo, () -> { }, () -> { |
| mStatsLogManager.logger() |
| .withInstanceId(instanceId) |
| .withItemInfo(info) |
| .log(LAUNCHER_DISMISS_PREDICTION_UNDO); |
| }); |
| } |
| return null; |
| } |
| // else: mCurrentAccessibilityAction == UNINSTALL |
| |
| ComponentName cn = getUninstallTarget(info); |
| if (cn == null) { |
| // System applications cannot be installed. For now, show a toast explaining that. |
| // We may give them the option of disabling apps this way. |
| Toast.makeText(mLauncher, R.string.uninstall_system_app_text, Toast.LENGTH_SHORT).show(); |
| return null; |
| } |
| try { |
| Intent i = Intent.parseUri(mLauncher.getString(R.string.delete_package_intent), 0) |
| .setData(Uri.fromParts("package", cn.getPackageName(), cn.getClassName())) |
| .putExtra(Intent.EXTRA_USER, info.user); |
| mLauncher.startActivity(i); |
| FileLog.d(TAG, "start uninstall activity " + cn.getPackageName()); |
| return cn; |
| } catch (URISyntaxException e) { |
| Log.e(TAG, "Failed to parse intent to start uninstall activity for item=" + info); |
| return null; |
| } |
| } |
| |
| @Override |
| public void onAccessibilityDrop(View view, ItemInfo item) { |
| InstanceId instanceId = new InstanceIdSequence().newInstanceId(); |
| doLog(instanceId, item); |
| performDropAction(view, item, instanceId); |
| } |
| |
| /** |
| * A wrapper around {@link DragSource} which delays the {@link #onDropCompleted} action until |
| * {@link #onLauncherResume} |
| */ |
| private class DeferredOnComplete implements DragSource { |
| |
| private final DragSource mOriginal; |
| private final Context mContext; |
| |
| private String mPackageName; |
| private DragObject mDragObject; |
| |
| public DeferredOnComplete(DragSource original, Context context) { |
| mOriginal = original; |
| mContext = context; |
| } |
| |
| @Override |
| public void onDropCompleted(View target, DragObject d, |
| boolean success) { |
| mDragObject = d; |
| } |
| |
| public void onLauncherResume() { |
| // We use MATCH_UNINSTALLED_PACKAGES as the app can be on SD card as well. |
| if (new PackageManagerHelper(mContext).getApplicationInfo(mPackageName, |
| mDragObject.dragInfo.user, PackageManager.MATCH_UNINSTALLED_PACKAGES) == null) { |
| mDragObject.dragSource = mOriginal; |
| mOriginal.onDropCompleted(SecondaryDropTarget.this, mDragObject, true); |
| mStatsLogManager.logger().withInstanceId(mDragObject.logInstanceId) |
| .log(LAUNCHER_ITEM_UNINSTALL_COMPLETED); |
| } else { |
| sendFailure(); |
| mStatsLogManager.logger().withInstanceId(mDragObject.logInstanceId) |
| .log(LAUNCHER_ITEM_UNINSTALL_CANCELLED); |
| } |
| } |
| |
| public void sendFailure() { |
| mDragObject.dragSource = mOriginal; |
| mDragObject.cancelled = true; |
| mOriginal.onDropCompleted(SecondaryDropTarget.this, mDragObject, false); |
| } |
| } |
| } |
