| /* |
| * Copyright (C) 2006 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.view; |
| |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.content.res.TypedArray; |
| import android.graphics.PixelFormat; |
| import android.graphics.drawable.Drawable; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.os.IBinder; |
| import android.util.Log; |
| |
| /** |
| * Abstract base class for a top-level window look and behavior policy. An |
| * instance of this class should be used as the top-level view added to the |
| * window manager. It provides standard UI policies such as a background, title |
| * area, default key processing, etc. |
| * |
| * <p>The only existing implementation of this abstract class is |
| * android.policy.PhoneWindow, which you should instantiate when needing a |
| * Window. Eventually that class will be refactored and a factory method |
| * added for creating Window instances without knowing about a particular |
| * implementation. |
| */ |
| public abstract class Window { |
| /** Flag for the "options panel" feature. This is enabled by default. */ |
| public static final int FEATURE_OPTIONS_PANEL = 0; |
| /** Flag for the "no title" feature, turning off the title at the top |
| * of the screen. */ |
| public static final int FEATURE_NO_TITLE = 1; |
| /** Flag for the progress indicator feature */ |
| public static final int FEATURE_PROGRESS = 2; |
| /** Flag for having an icon on the left side of the title bar */ |
| public static final int FEATURE_LEFT_ICON = 3; |
| /** Flag for having an icon on the right side of the title bar */ |
| public static final int FEATURE_RIGHT_ICON = 4; |
| /** Flag for indeterminate progress */ |
| public static final int FEATURE_INDETERMINATE_PROGRESS = 5; |
| /** Flag for the context menu. This is enabled by default. */ |
| public static final int FEATURE_CONTEXT_MENU = 6; |
| /** Flag for custom title. You cannot combine this feature with other title features. */ |
| public static final int FEATURE_CUSTOM_TITLE = 7; |
| /* Flag for asking for an OpenGL enabled window. |
| All 2D graphics will be handled by OpenGL ES. |
| Private for now, until it is better tested (not shipping in 1.0) |
| */ |
| private static final int FEATURE_OPENGL = 8; |
| /** Flag for setting the progress bar's visibility to VISIBLE */ |
| public static final int PROGRESS_VISIBILITY_ON = -1; |
| /** Flag for setting the progress bar's visibility to GONE */ |
| public static final int PROGRESS_VISIBILITY_OFF = -2; |
| /** Flag for setting the progress bar's indeterminate mode on */ |
| public static final int PROGRESS_INDETERMINATE_ON = -3; |
| /** Flag for setting the progress bar's indeterminate mode off */ |
| public static final int PROGRESS_INDETERMINATE_OFF = -4; |
| /** Starting value for the (primary) progress */ |
| public static final int PROGRESS_START = 0; |
| /** Ending value for the (primary) progress */ |
| public static final int PROGRESS_END = 10000; |
| /** Lowest possible value for the secondary progress */ |
| public static final int PROGRESS_SECONDARY_START = 20000; |
| /** Highest possible value for the secondary progress */ |
| public static final int PROGRESS_SECONDARY_END = 30000; |
| |
| /** The default features enabled */ |
| @SuppressWarnings({"PointlessBitwiseExpression"}) |
| protected static final int DEFAULT_FEATURES = (1 << FEATURE_OPTIONS_PANEL) | |
| (1 << FEATURE_CONTEXT_MENU); |
| |
| /** |
| * The ID that the main layout in the XML layout file should have. |
| */ |
| public static final int ID_ANDROID_CONTENT = com.android.internal.R.id.content; |
| |
| private final Context mContext; |
| |
| private TypedArray mWindowStyle; |
| private Callback mCallback; |
| private WindowManager mWindowManager; |
| private IBinder mAppToken; |
| private String mAppName; |
| private Window mContainer; |
| private Window mActiveChild; |
| private boolean mIsActive = false; |
| private boolean mHasChildren = false; |
| private int mForcedWindowFlags = 0; |
| |
| private int mFeatures = DEFAULT_FEATURES; |
| private int mLocalFeatures = DEFAULT_FEATURES; |
| |
| private boolean mHaveWindowFormat = false; |
| private int mDefaultWindowFormat = PixelFormat.OPAQUE; |
| |
| private boolean mHasSoftInputMode = false; |
| |
| // The current window attributes. |
| private final WindowManager.LayoutParams mWindowAttributes = |
| new WindowManager.LayoutParams(); |
| |
| /** |
| * API from a Window back to its caller. This allows the client to |
| * intercept key dispatching, panels and menus, etc. |
| */ |
| public interface Callback { |
| /** |
| * Called to process key events. At the very least your |
| * implementation must call |
| * {@link android.view.Window#superDispatchKeyEvent} to do the |
| * standard key processing. |
| * |
| * @param event The key event. |
| * |
| * @return boolean Return true if this event was consumed. |
| */ |
| public boolean dispatchKeyEvent(KeyEvent event); |
| |
| /** |
| * Called to process touch screen events. At the very least your |
| * implementation must call |
| * {@link android.view.Window#superDispatchTouchEvent} to do the |
| * standard touch screen processing. |
| * |
| * @param event The touch screen event. |
| * |
| * @return boolean Return true if this event was consumed. |
| */ |
| public boolean dispatchTouchEvent(MotionEvent event); |
| |
| /** |
| * Called to process trackball events. At the very least your |
| * implementation must call |
| * {@link android.view.Window#superDispatchTrackballEvent} to do the |
| * standard trackball processing. |
| * |
| * @param event The trackball event. |
| * |
| * @return boolean Return true if this event was consumed. |
| */ |
| public boolean dispatchTrackballEvent(MotionEvent event); |
| |
| /** |
| * Instantiate the view to display in the panel for 'featureId'. |
| * You can return null, in which case the default content (typically |
| * a menu) will be created for you. |
| * |
| * @param featureId Which panel is being created. |
| * |
| * @return view The top-level view to place in the panel. |
| * |
| * @see #onPreparePanel |
| */ |
| public View onCreatePanelView(int featureId); |
| |
| /** |
| * Initialize the contents of the menu for panel 'featureId'. This is |
| * called if onCreatePanelView() returns null, giving you a standard |
| * menu in which you can place your items. It is only called once for |
| * the panel, the first time it is shown. |
| * |
| * <p>You can safely hold on to <var>menu</var> (and any items created |
| * from it), making modifications to it as desired, until the next |
| * time onCreatePanelMenu() is called for this feature. |
| * |
| * @param featureId The panel being created. |
| * @param menu The menu inside the panel. |
| * |
| * @return boolean You must return true for the panel to be displayed; |
| * if you return false it will not be shown. |
| */ |
| public boolean onCreatePanelMenu(int featureId, Menu menu); |
| |
| /** |
| * Prepare a panel to be displayed. This is called right before the |
| * panel window is shown, every time it is shown. |
| * |
| * @param featureId The panel that is being displayed. |
| * @param view The View that was returned by onCreatePanelView(). |
| * @param menu If onCreatePanelView() returned null, this is the Menu |
| * being displayed in the panel. |
| * |
| * @return boolean You must return true for the panel to be displayed; |
| * if you return false it will not be shown. |
| * |
| * @see #onCreatePanelView |
| */ |
| public boolean onPreparePanel(int featureId, View view, Menu menu); |
| |
| /** |
| * Called when a panel's menu is opened by the user. This may also be |
| * called when the menu is changing from one type to another (for |
| * example, from the icon menu to the expanded menu). |
| * |
| * @param featureId The panel that the menu is in. |
| * @param menu The menu that is opened. |
| * @return Return true to allow the menu to open, or false to prevent |
| * the menu from opening. |
| */ |
| public boolean onMenuOpened(int featureId, Menu menu); |
| |
| /** |
| * Called when a panel's menu item has been selected by the user. |
| * |
| * @param featureId The panel that the menu is in. |
| * @param item The menu item that was selected. |
| * |
| * @return boolean Return true to finish processing of selection, or |
| * false to perform the normal menu handling (calling its |
| * Runnable or sending a Message to its target Handler). |
| */ |
| public boolean onMenuItemSelected(int featureId, MenuItem item); |
| |
| /** |
| * This is called whenever the current window attributes change. |
| * |
| |
| */ |
| public void onWindowAttributesChanged(WindowManager.LayoutParams attrs); |
| |
| /** |
| * This hook is called whenever the content view of the screen changes |
| * (due to a call to |
| * {@link Window#setContentView(View, android.view.ViewGroup.LayoutParams) |
| * Window.setContentView} or |
| * {@link Window#addContentView(View, android.view.ViewGroup.LayoutParams) |
| * Window.addContentView}). |
| */ |
| public void onContentChanged(); |
| |
| /** |
| * This hook is called whenever the window focus changes. |
| * |
| * @param hasFocus Whether the window now has focus. |
| */ |
| public void onWindowFocusChanged(boolean hasFocus); |
| |
| /** |
| * Called when a panel is being closed. If another logical subsequent |
| * panel is being opened (and this panel is being closed to make room for the subsequent |
| * panel), this method will NOT be called. |
| * |
| * @param featureId The panel that is being displayed. |
| * @param menu If onCreatePanelView() returned null, this is the Menu |
| * being displayed in the panel. |
| */ |
| public void onPanelClosed(int featureId, Menu menu); |
| |
| /** |
| * Called when the user signals the desire to start a search. |
| * |
| * @return true if search launched, false if activity refuses (blocks) |
| * |
| * @see android.app.Activity#onSearchRequested() |
| */ |
| public boolean onSearchRequested(); |
| } |
| |
| public Window(Context context) { |
| mContext = context; |
| } |
| |
| /** |
| * Return the Context this window policy is running in, for retrieving |
| * resources and other information. |
| * |
| * @return Context The Context that was supplied to the constructor. |
| */ |
| public final Context getContext() { |
| return mContext; |
| } |
| |
| /** |
| * Return the {@link android.R.styleable#Window} attributes from this |
| * window's theme. |
| */ |
| public final TypedArray getWindowStyle() { |
| synchronized (this) { |
| if (mWindowStyle == null) { |
| mWindowStyle = mContext.obtainStyledAttributes( |
| com.android.internal.R.styleable.Window); |
| } |
| return mWindowStyle; |
| } |
| } |
| |
| /** |
| * Set the container for this window. If not set, the DecorWindow |
| * operates as a top-level window; otherwise, it negotiates with the |
| * container to display itself appropriately. |
| * |
| * @param container The desired containing Window. |
| */ |
| public void setContainer(Window container) { |
| mContainer = container; |
| if (container != null) { |
| // Embedded screens never have a title. |
| mFeatures |= 1<<FEATURE_NO_TITLE; |
| mLocalFeatures |= 1<<FEATURE_NO_TITLE; |
| container.mHasChildren = true; |
| } |
| } |
| |
| /** |
| * Return the container for this Window. |
| * |
| * @return Window The containing window, or null if this is a |
| * top-level window. |
| */ |
| public final Window getContainer() { |
| return mContainer; |
| } |
| |
| public final boolean hasChildren() { |
| return mHasChildren; |
| } |
| |
| /** |
| * Set the window manager for use by this Window to, for example, |
| * display panels. This is <em>not</em> used for displaying the |
| * Window itself -- that must be done by the client. |
| * |
| * @param wm The ViewManager for adding new windows. |
| */ |
| public void setWindowManager(WindowManager wm, |
| IBinder appToken, String appName) { |
| mAppToken = appToken; |
| mAppName = appName; |
| if (wm == null) { |
| wm = WindowManagerImpl.getDefault(); |
| } |
| mWindowManager = new LocalWindowManager(wm); |
| } |
| |
| private class LocalWindowManager implements WindowManager { |
| LocalWindowManager(WindowManager wm) { |
| mWindowManager = wm; |
| } |
| |
| public final void addView(View view, ViewGroup.LayoutParams params) { |
| // Let this throw an exception on a bad params. |
| WindowManager.LayoutParams wp = (WindowManager.LayoutParams)params; |
| CharSequence curTitle = wp.getTitle(); |
| if (wp.type >= WindowManager.LayoutParams.FIRST_SUB_WINDOW && |
| wp.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) { |
| if (wp.token == null) { |
| View decor = peekDecorView(); |
| if (decor != null) { |
| wp.token = decor.getWindowToken(); |
| } |
| } |
| if (curTitle == null || curTitle.length() == 0) { |
| String title; |
| if (wp.type == WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA) { |
| title="Media"; |
| } else if (wp.type == WindowManager.LayoutParams.TYPE_APPLICATION_PANEL) { |
| title="Panel"; |
| } else { |
| title=Integer.toString(wp.type); |
| } |
| if (mAppName != null) { |
| title += ":" + mAppName; |
| } |
| wp.setTitle(title); |
| } |
| } else { |
| if (wp.token == null) { |
| wp.token = mContainer == null ? mAppToken : mContainer.mAppToken; |
| } |
| if ((curTitle == null || curTitle.length() == 0) |
| && mAppName != null) { |
| wp.setTitle(mAppName); |
| } |
| } |
| if (wp.packageName == null) { |
| wp.packageName = mContext.getPackageName(); |
| } |
| mWindowManager.addView(view, params); |
| } |
| |
| public void updateViewLayout(View view, ViewGroup.LayoutParams params) { |
| mWindowManager.updateViewLayout(view, params); |
| } |
| |
| public final void removeView(View view) { |
| mWindowManager.removeView(view); |
| } |
| |
| public final void removeViewImmediate(View view) { |
| mWindowManager.removeViewImmediate(view); |
| } |
| |
| public Display getDefaultDisplay() { |
| return mWindowManager.getDefaultDisplay(); |
| } |
| |
| WindowManager mWindowManager; |
| } |
| |
| /** |
| * Return the window manager allowing this Window to display its own |
| * windows. |
| * |
| * @return WindowManager The ViewManager. |
| */ |
| public WindowManager getWindowManager() { |
| return mWindowManager; |
| } |
| |
| /** |
| * Set the Callback interface for this window, used to intercept key |
| * events and other dynamic operations in the window. |
| * |
| * @param callback The desired Callback interface. |
| */ |
| public void setCallback(Callback callback) { |
| mCallback = callback; |
| } |
| |
| /** |
| * Return the current Callback interface for this window. |
| */ |
| public final Callback getCallback() { |
| return mCallback; |
| } |
| |
| /** |
| * Return whether this window is being displayed with a floating style |
| * (based on the {@link android.R.attr#windowIsFloating} attribute in |
| * the style/theme). |
| * |
| * @return Returns true if the window is configured to be displayed floating |
| * on top of whatever is behind it. |
| */ |
| public abstract boolean isFloating(); |
| |
| /** |
| * Set the width and height layout parameters of the window. The default |
| * for both of these is FILL_PARENT; you can change them to WRAP_CONTENT to |
| * make a window that is not full-screen. |
| * |
| * @param width The desired layout width of the window. |
| * @param height The desired layout height of the window. |
| */ |
| public void setLayout(int width, int height) |
| { |
| final WindowManager.LayoutParams attrs = getAttributes(); |
| attrs.width = width; |
| attrs.height = height; |
| if (mCallback != null) { |
| mCallback.onWindowAttributesChanged(attrs); |
| } |
| } |
| |
| /** |
| * Set the gravity of the window, as per the Gravity constants. This |
| * controls how the window manager is positioned in the overall window; it |
| * is only useful when using WRAP_CONTENT for the layout width or height. |
| * |
| * @param gravity The desired gravity constant. |
| * |
| * @see Gravity |
| * @see #setLayout |
| */ |
| public void setGravity(int gravity) |
| { |
| final WindowManager.LayoutParams attrs = getAttributes(); |
| attrs.gravity = gravity; |
| if (mCallback != null) { |
| mCallback.onWindowAttributesChanged(attrs); |
| } |
| } |
| |
| /** |
| * Set the type of the window, as per the WindowManager.LayoutParams |
| * types. |
| * |
| * @param type The new window type (see WindowManager.LayoutParams). |
| */ |
| public void setType(int type) { |
| final WindowManager.LayoutParams attrs = getAttributes(); |
| attrs.type = type; |
| if (mCallback != null) { |
| mCallback.onWindowAttributesChanged(attrs); |
| } |
| } |
| |
| /** |
| * Set the format of window, as per the PixelFormat types. This overrides |
| * the default format that is selected by the Window based on its |
| * window decorations. |
| * |
| * @param format The new window format (see PixelFormat). Use |
| * PixelFormat.UNKNOWN to allow the Window to select |
| * the format. |
| * |
| * @see PixelFormat |
| */ |
| public void setFormat(int format) { |
| final WindowManager.LayoutParams attrs = getAttributes(); |
| if (format != PixelFormat.UNKNOWN) { |
| attrs.format = format; |
| mHaveWindowFormat = true; |
| } else { |
| attrs.format = mDefaultWindowFormat; |
| mHaveWindowFormat = false; |
| } |
| if (mCallback != null) { |
| mCallback.onWindowAttributesChanged(attrs); |
| } |
| } |
| |
| /** |
| * Specify an explicit soft input mode to use for the window, as per |
| * {@link WindowManager.LayoutParams#softInputMode |
| * WindowManager.LayoutParams.softInputMode}. Providing anything besides |
| * "unspecified" here will override the input mode the window would |
| * normally retrieve from its theme. |
| */ |
| public void setSoftInputMode(int mode) { |
| final WindowManager.LayoutParams attrs = getAttributes(); |
| if (mode != WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED) { |
| attrs.softInputMode = mode; |
| mHasSoftInputMode = true; |
| } else { |
| mHasSoftInputMode = false; |
| } |
| if (mCallback != null) { |
| mCallback.onWindowAttributesChanged(attrs); |
| } |
| } |
| |
| /** |
| * Convenience function to set the flag bits as specified in flags, as |
| * per {@link #setFlags}. |
| * @param flags The flag bits to be set. |
| * @see #setFlags |
| */ |
| public void addFlags(int flags) { |
| setFlags(flags, flags); |
| } |
| |
| /** |
| * Convenience function to clear the flag bits as specified in flags, as |
| * per {@link #setFlags}. |
| * @param flags The flag bits to be cleared. |
| * @see #setFlags |
| */ |
| public void clearFlags(int flags) { |
| setFlags(0, flags); |
| } |
| |
| /** |
| * Set the flags of the window, as per the |
| * {@link WindowManager.LayoutParams WindowManager.LayoutParams} |
| * flags. |
| * |
| * <p>Note that some flags must be set before the window decoration is |
| * created (by the first call to |
| * {@link #setContentView(View, android.view.ViewGroup.LayoutParams)} or |
| * {@link #getDecorView()}: |
| * {@link WindowManager.LayoutParams#FLAG_LAYOUT_IN_SCREEN} and |
| * {@link WindowManager.LayoutParams#FLAG_LAYOUT_INSET_DECOR}. These |
| * will be set for you based on the {@link android.R.attr#windowIsFloating} |
| * attribute. |
| * |
| * @param flags The new window flags (see WindowManager.LayoutParams). |
| * @param mask Which of the window flag bits to modify. |
| */ |
| public void setFlags(int flags, int mask) { |
| final WindowManager.LayoutParams attrs = getAttributes(); |
| attrs.flags = (attrs.flags&~mask) | (flags&mask); |
| mForcedWindowFlags |= mask; |
| if (mCallback != null) { |
| mCallback.onWindowAttributesChanged(attrs); |
| } |
| } |
| |
| /** |
| * Specify custom window attributes. <strong>PLEASE NOTE:</strong> the |
| * layout params you give here should generally be from values previously |
| * retrieved with {@link #getAttributes()}; you probably do not want to |
| * blindly create and apply your own, since this will blow away any values |
| * set by the framework that you are not interested in. |
| * |
| * @param a The new window attributes, which will completely override any |
| * current values. |
| */ |
| public void setAttributes(WindowManager.LayoutParams a) { |
| mWindowAttributes.copyFrom(a); |
| if (mCallback != null) { |
| mCallback.onWindowAttributesChanged(mWindowAttributes); |
| } |
| } |
| |
| /** |
| * Retrieve the current window attributes associated with this panel. |
| * |
| * @return WindowManager.LayoutParams Either the existing window |
| * attributes object, or a freshly created one if there is none. |
| */ |
| public final WindowManager.LayoutParams getAttributes() { |
| return mWindowAttributes; |
| } |
| |
| /** |
| * Return the window flags that have been explicitly set by the client, |
| * so will not be modified by {@link #getDecorView}. |
| */ |
| protected final int getForcedWindowFlags() { |
| return mForcedWindowFlags; |
| } |
| |
| /** |
| * Has the app specified their own soft input mode? |
| */ |
| protected final boolean hasSoftInputMode() { |
| return mHasSoftInputMode; |
| } |
| |
| /** |
| * Enable extended screen features. This must be called before |
| * setContentView(). May be called as many times as desired as long as it |
| * is before setContentView(). If not called, no extended features |
| * will be available. You can not turn off a feature once it is requested. |
| * You canot use other title features with {@link #FEATURE_CUSTOM_TITLE}. |
| * |
| * @param featureId The desired features, defined as constants by Window. |
| * @return The features that are now set. |
| */ |
| public boolean requestFeature(int featureId) { |
| final int flag = 1<<featureId; |
| mFeatures |= flag; |
| mLocalFeatures |= mContainer != null ? (flag&~mContainer.mFeatures) : flag; |
| return (mFeatures&flag) != 0; |
| } |
| |
| public final void makeActive() { |
| if (mContainer != null) { |
| if (mContainer.mActiveChild != null) { |
| mContainer.mActiveChild.mIsActive = false; |
| } |
| mContainer.mActiveChild = this; |
| } |
| mIsActive = true; |
| onActive(); |
| } |
| |
| public final boolean isActive() |
| { |
| return mIsActive; |
| } |
| |
| /** |
| * Finds a view that was identified by the id attribute from the XML that |
| * was processed in {@link android.app.Activity#onCreate}. This will |
| * implicitly call {@link #getDecorView} for you, with all of the |
| * associated side-effects. |
| * |
| * @return The view if found or null otherwise. |
| */ |
| public View findViewById(int id) { |
| return getDecorView().findViewById(id); |
| } |
| |
| /** |
| * Convenience for |
| * {@link #setContentView(View, android.view.ViewGroup.LayoutParams)} |
| * to set the screen content from a layout resource. The resource will be |
| * inflated, adding all top-level views to the screen. |
| * |
| * @param layoutResID Resource ID to be inflated. |
| * @see #setContentView(View, android.view.ViewGroup.LayoutParams) |
| */ |
| public abstract void setContentView(int layoutResID); |
| |
| /** |
| * Convenience for |
| * {@link #setContentView(View, android.view.ViewGroup.LayoutParams)} |
| * set the screen content to an explicit view. This view is placed |
| * directly into the screen's view hierarchy. It can itself be a complex |
| * view hierarhcy. |
| * |
| * @param view The desired content to display. |
| * @see #setContentView(View, android.view.ViewGroup.LayoutParams) |
| */ |
| public abstract void setContentView(View view); |
| |
| /** |
| * Set the screen content to an explicit view. This view is placed |
| * directly into the screen's view hierarchy. It can itself be a complex |
| * view hierarchy. |
| * |
| * <p>Note that calling this function "locks in" various characteristics |
| * of the window that can not, from this point forward, be changed: the |
| * features that have been requested with {@link #requestFeature(int)}, |
| * and certain window flags as described in {@link #setFlags(int, int)}. |
| * |
| * @param view The desired content to display. |
| * @param params Layout parameters for the view. |
| */ |
| public abstract void setContentView(View view, ViewGroup.LayoutParams params); |
| |
| /** |
| * Variation on |
| * {@link #setContentView(View, android.view.ViewGroup.LayoutParams)} |
| * to add an additional content view to the screen. Added after any existing |
| * ones in the screen -- existing views are NOT removed. |
| * |
| * @param view The desired content to display. |
| * @param params Layout parameters for the view. |
| */ |
| public abstract void addContentView(View view, ViewGroup.LayoutParams params); |
| |
| /** |
| * Return the view in this Window that currently has focus, or null if |
| * there are none. Note that this does not look in any containing |
| * Window. |
| * |
| * @return View The current View with focus or null. |
| */ |
| public abstract View getCurrentFocus(); |
| |
| /** |
| * Quick access to the {@link LayoutInflater} instance that this Window |
| * retrieved from its Context. |
| * |
| * @return LayoutInflater The shared LayoutInflater. |
| */ |
| public abstract LayoutInflater getLayoutInflater(); |
| |
| public abstract void setTitle(CharSequence title); |
| |
| public abstract void setTitleColor(int textColor); |
| |
| public abstract void openPanel(int featureId, KeyEvent event); |
| |
| public abstract void closePanel(int featureId); |
| |
| public abstract void togglePanel(int featureId, KeyEvent event); |
| |
| public abstract boolean performPanelShortcut(int featureId, |
| int keyCode, |
| KeyEvent event, |
| int flags); |
| public abstract boolean performPanelIdentifierAction(int featureId, |
| int id, |
| int flags); |
| |
| public abstract void closeAllPanels(); |
| |
| public abstract boolean performContextMenuIdentifierAction(int id, int flags); |
| |
| /** |
| * Should be called when the configuration is changed. |
| * |
| * @param newConfig The new configuration. |
| */ |
| public abstract void onConfigurationChanged(Configuration newConfig); |
| |
| /** |
| * Change the background of this window to a Drawable resource. Setting the |
| * background to null will make the window be opaque. To make the window |
| * transparent, you can use an empty drawable (for instance a ColorDrawable |
| * with the color 0 or the system drawable android:drawable/empty.) |
| * |
| * @param resid The resource identifier of a drawable resource which will be |
| * installed as the new background. |
| */ |
| public void setBackgroundDrawableResource(int resid) |
| { |
| setBackgroundDrawable(mContext.getResources().getDrawable(resid)); |
| } |
| |
| /** |
| * Change the background of this window to a custom Drawable. Setting the |
| * background to null will make the window be opaque. To make the window |
| * transparent, you can use an empty drawable (for instance a ColorDrawable |
| * with the color 0 or the system drawable android:drawable/empty.) |
| * |
| * @param drawable The new Drawable to use for this window's background. |
| */ |
| public abstract void setBackgroundDrawable(Drawable drawable); |
| |
| /** |
| * Set the value for a drawable feature of this window, from a resource |
| * identifier. You must have called requestFeauture(featureId) before |
| * calling this function. |
| * |
| * @see android.content.res.Resources#getDrawable(int) |
| * |
| * @param featureId The desired drawable feature to change, defined as a |
| * constant by Window. |
| * @param resId Resource identifier of the desired image. |
| */ |
| public abstract void setFeatureDrawableResource(int featureId, int resId); |
| |
| /** |
| * Set the value for a drawable feature of this window, from a URI. You |
| * must have called requestFeature(featureId) before calling this |
| * function. |
| * |
| * <p>The only URI currently supported is "content:", specifying an image |
| * in a content provider. |
| * |
| * @see android.widget.ImageView#setImageURI |
| * |
| * @param featureId The desired drawable feature to change. Features are |
| * constants defined by Window. |
| * @param uri The desired URI. |
| */ |
| public abstract void setFeatureDrawableUri(int featureId, Uri uri); |
| |
| /** |
| * Set an explicit Drawable value for feature of this window. You must |
| * have called requestFeature(featureId) before calling this function. |
| * |
| * @param featureId The desired drawable feature to change. |
| * Features are constants defined by Window. |
| * @param drawable A Drawable object to display. |
| */ |
| public abstract void setFeatureDrawable(int featureId, Drawable drawable); |
| |
| /** |
| * Set a custom alpha value for the given drawale feature, controlling how |
| * much the background is visible through it. |
| * |
| * @param featureId The desired drawable feature to change. |
| * Features are constants defined by Window. |
| * @param alpha The alpha amount, 0 is completely transparent and 255 is |
| * completely opaque. |
| */ |
| public abstract void setFeatureDrawableAlpha(int featureId, int alpha); |
| |
| /** |
| * Set the integer value for a feature. The range of the value depends on |
| * the feature being set. For FEATURE_PROGRESSS, it should go from 0 to |
| * 10000. At 10000 the progress is complete and the indicator hidden. |
| * |
| * @param featureId The desired feature to change. |
| * Features are constants defined by Window. |
| * @param value The value for the feature. The interpretation of this |
| * value is feature-specific. |
| */ |
| public abstract void setFeatureInt(int featureId, int value); |
| |
| /** |
| * Request that key events come to this activity. Use this if your |
| * activity has no views with focus, but the activity still wants |
| * a chance to process key events. |
| */ |
| public abstract void takeKeyEvents(boolean get); |
| |
| /** |
| * Used by custom windows, such as Dialog, to pass the key press event |
| * further down the view hierarchy. Application developers should |
| * not need to implement or call this. |
| * |
| */ |
| public abstract boolean superDispatchKeyEvent(KeyEvent event); |
| |
| /** |
| * Used by custom windows, such as Dialog, to pass the touch screen event |
| * further down the view hierarchy. Application developers should |
| * not need to implement or call this. |
| * |
| */ |
| public abstract boolean superDispatchTouchEvent(MotionEvent event); |
| |
| /** |
| * Used by custom windows, such as Dialog, to pass the trackball event |
| * further down the view hierarchy. Application developers should |
| * not need to implement or call this. |
| * |
| */ |
| public abstract boolean superDispatchTrackballEvent(MotionEvent event); |
| |
| /** |
| * Retrieve the top-level window decor view (containing the standard |
| * window frame/decorations and the client's content inside of that), which |
| * can be added as a window to the window manager. |
| * |
| * <p><em>Note that calling this function for the first time "locks in" |
| * various window characteristics as described in |
| * {@link #setContentView(View, android.view.ViewGroup.LayoutParams)}.</em></p> |
| * |
| * @return Returns the top-level window decor view. |
| */ |
| public abstract View getDecorView(); |
| |
| /** |
| * Retrieve the current decor view, but only if it has already been created; |
| * otherwise returns null. |
| * |
| * @return Returns the top-level window decor or null. |
| * @see #getDecorView |
| */ |
| public abstract View peekDecorView(); |
| |
| public abstract Bundle saveHierarchyState(); |
| |
| public abstract void restoreHierarchyState(Bundle savedInstanceState); |
| |
| protected abstract void onActive(); |
| |
| /** |
| * Return the feature bits that are enabled. This is the set of features |
| * that were given to requestFeature(), and are being handled by this |
| * Window itself or its container. That is, it is the set of |
| * requested features that you can actually use. |
| * |
| * <p>To do: add a public version of this API that allows you to check for |
| * features by their feature ID. |
| * |
| * @return int The feature bits. |
| */ |
| protected final int getFeatures() |
| { |
| return mFeatures; |
| } |
| |
| /** |
| * Return the feature bits that are being implemented by this Window. |
| * This is the set of features that were given to requestFeature(), and are |
| * being handled by only this Window itself, not by its containers. |
| * |
| * @return int The feature bits. |
| */ |
| protected final int getLocalFeatures() |
| { |
| return mLocalFeatures; |
| } |
| |
| /** |
| * Set the default format of window, as per the PixelFormat types. This |
| * is the format that will be used unless the client specifies in explicit |
| * format with setFormat(); |
| * |
| * @param format The new window format (see PixelFormat). |
| * |
| * @see #setFormat |
| * @see PixelFormat |
| */ |
| protected void setDefaultWindowFormat(int format) { |
| mDefaultWindowFormat = format; |
| if (!mHaveWindowFormat) { |
| final WindowManager.LayoutParams attrs = getAttributes(); |
| attrs.format = format; |
| if (mCallback != null) { |
| mCallback.onWindowAttributesChanged(attrs); |
| } |
| } |
| } |
| |
| public abstract void setChildDrawable(int featureId, Drawable drawable); |
| |
| public abstract void setChildInt(int featureId, int value); |
| |
| /** |
| * Is a keypress one of the defined shortcut keys for this window. |
| * @param keyCode the key code from {@link android.view.KeyEvent} to check. |
| * @param event the {@link android.view.KeyEvent} to use to help check. |
| */ |
| public abstract boolean isShortcutKey(int keyCode, KeyEvent event); |
| |
| /** |
| * @see android.app.Activity#setVolumeControlStream(int) |
| */ |
| public abstract void setVolumeControlStream(int streamType); |
| |
| /** |
| * @see android.app.Activity#getVolumeControlStream() |
| */ |
| public abstract int getVolumeControlStream(); |
| |
| } |
