1055 lines
39 KiB
Java
1055 lines
39 KiB
Java
/*
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* Copyright (C) 2006 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.view;
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import android.content.Context;
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import android.content.res.Configuration;
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import android.content.res.TypedArray;
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import android.graphics.PixelFormat;
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import android.graphics.drawable.Drawable;
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import android.net.Uri;
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import android.os.Bundle;
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import android.os.IBinder;
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import android.view.accessibility.AccessibilityEvent;
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/**
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* Abstract base class for a top-level window look and behavior policy. An
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* instance of this class should be used as the top-level view added to the
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* window manager. It provides standard UI policies such as a background, title
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* area, default key processing, etc.
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*
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* <p>The only existing implementation of this abstract class is
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* android.policy.PhoneWindow, which you should instantiate when needing a
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* Window. Eventually that class will be refactored and a factory method
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* added for creating Window instances without knowing about a particular
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* implementation.
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*/
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public abstract class Window {
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/** Flag for the "options panel" feature. This is enabled by default. */
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public static final int FEATURE_OPTIONS_PANEL = 0;
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/** Flag for the "no title" feature, turning off the title at the top
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* of the screen. */
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public static final int FEATURE_NO_TITLE = 1;
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/** Flag for the progress indicator feature */
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public static final int FEATURE_PROGRESS = 2;
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/** Flag for having an icon on the left side of the title bar */
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public static final int FEATURE_LEFT_ICON = 3;
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/** Flag for having an icon on the right side of the title bar */
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public static final int FEATURE_RIGHT_ICON = 4;
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/** Flag for indeterminate progress */
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public static final int FEATURE_INDETERMINATE_PROGRESS = 5;
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/** Flag for the context menu. This is enabled by default. */
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public static final int FEATURE_CONTEXT_MENU = 6;
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/** Flag for custom title. You cannot combine this feature with other title features. */
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public static final int FEATURE_CUSTOM_TITLE = 7;
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/** Flag for asking for an OpenGL enabled window.
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All 2D graphics will be handled by OpenGL ES.
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@hide
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*/
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public static final int FEATURE_OPENGL = 8;
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/** Flag for setting the progress bar's visibility to VISIBLE */
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public static final int PROGRESS_VISIBILITY_ON = -1;
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/** Flag for setting the progress bar's visibility to GONE */
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public static final int PROGRESS_VISIBILITY_OFF = -2;
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/** Flag for setting the progress bar's indeterminate mode on */
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public static final int PROGRESS_INDETERMINATE_ON = -3;
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/** Flag for setting the progress bar's indeterminate mode off */
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public static final int PROGRESS_INDETERMINATE_OFF = -4;
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/** Starting value for the (primary) progress */
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public static final int PROGRESS_START = 0;
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/** Ending value for the (primary) progress */
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public static final int PROGRESS_END = 10000;
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/** Lowest possible value for the secondary progress */
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public static final int PROGRESS_SECONDARY_START = 20000;
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/** Highest possible value for the secondary progress */
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public static final int PROGRESS_SECONDARY_END = 30000;
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/** The default features enabled */
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@SuppressWarnings({"PointlessBitwiseExpression"})
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protected static final int DEFAULT_FEATURES = (1 << FEATURE_OPTIONS_PANEL) |
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(1 << FEATURE_CONTEXT_MENU);
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/**
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* The ID that the main layout in the XML layout file should have.
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*/
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public static final int ID_ANDROID_CONTENT = com.android.internal.R.id.content;
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private final Context mContext;
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private TypedArray mWindowStyle;
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private Callback mCallback;
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private WindowManager mWindowManager;
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private IBinder mAppToken;
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private String mAppName;
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private Window mContainer;
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private Window mActiveChild;
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private boolean mIsActive = false;
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private boolean mHasChildren = false;
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private int mForcedWindowFlags = 0;
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private int mFeatures = DEFAULT_FEATURES;
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private int mLocalFeatures = DEFAULT_FEATURES;
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private boolean mHaveWindowFormat = false;
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private int mDefaultWindowFormat = PixelFormat.OPAQUE;
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private boolean mHasSoftInputMode = false;
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// The current window attributes.
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private final WindowManager.LayoutParams mWindowAttributes =
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new WindowManager.LayoutParams();
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/**
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* API from a Window back to its caller. This allows the client to
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* intercept key dispatching, panels and menus, etc.
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*/
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public interface Callback {
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/**
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* Called to process key events. At the very least your
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* implementation must call
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* {@link android.view.Window#superDispatchKeyEvent} to do the
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* standard key processing.
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*
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* @param event The key event.
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*
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* @return boolean Return true if this event was consumed.
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*/
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public boolean dispatchKeyEvent(KeyEvent event);
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/**
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* Called to process touch screen events. At the very least your
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* implementation must call
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* {@link android.view.Window#superDispatchTouchEvent} to do the
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* standard touch screen processing.
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*
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* @param event The touch screen event.
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*
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* @return boolean Return true if this event was consumed.
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*/
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public boolean dispatchTouchEvent(MotionEvent event);
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/**
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* Called to process trackball events. At the very least your
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* implementation must call
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* {@link android.view.Window#superDispatchTrackballEvent} to do the
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* standard trackball processing.
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*
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* @param event The trackball event.
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*
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* @return boolean Return true if this event was consumed.
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*/
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public boolean dispatchTrackballEvent(MotionEvent event);
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/**
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* Called to process population of {@link AccessibilityEvent}s.
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*
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* @param event The event.
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*
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* @return boolean Return true if event population was completed.
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*/
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public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event);
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/**
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* Instantiate the view to display in the panel for 'featureId'.
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* You can return null, in which case the default content (typically
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* a menu) will be created for you.
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*
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* @param featureId Which panel is being created.
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*
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* @return view The top-level view to place in the panel.
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*
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* @see #onPreparePanel
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*/
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public View onCreatePanelView(int featureId);
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/**
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* Initialize the contents of the menu for panel 'featureId'. This is
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* called if onCreatePanelView() returns null, giving you a standard
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* menu in which you can place your items. It is only called once for
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* the panel, the first time it is shown.
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*
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* <p>You can safely hold on to <var>menu</var> (and any items created
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* from it), making modifications to it as desired, until the next
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* time onCreatePanelMenu() is called for this feature.
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*
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* @param featureId The panel being created.
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* @param menu The menu inside the panel.
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*
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* @return boolean You must return true for the panel to be displayed;
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* if you return false it will not be shown.
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*/
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public boolean onCreatePanelMenu(int featureId, Menu menu);
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/**
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* Prepare a panel to be displayed. This is called right before the
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* panel window is shown, every time it is shown.
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*
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* @param featureId The panel that is being displayed.
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* @param view The View that was returned by onCreatePanelView().
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* @param menu If onCreatePanelView() returned null, this is the Menu
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* being displayed in the panel.
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*
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* @return boolean You must return true for the panel to be displayed;
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* if you return false it will not be shown.
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*
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* @see #onCreatePanelView
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*/
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public boolean onPreparePanel(int featureId, View view, Menu menu);
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/**
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* Called when a panel's menu is opened by the user. This may also be
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* called when the menu is changing from one type to another (for
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* example, from the icon menu to the expanded menu).
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*
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* @param featureId The panel that the menu is in.
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* @param menu The menu that is opened.
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* @return Return true to allow the menu to open, or false to prevent
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* the menu from opening.
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*/
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public boolean onMenuOpened(int featureId, Menu menu);
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/**
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* Called when a panel's menu item has been selected by the user.
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*
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* @param featureId The panel that the menu is in.
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* @param item The menu item that was selected.
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*
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* @return boolean Return true to finish processing of selection, or
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* false to perform the normal menu handling (calling its
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* Runnable or sending a Message to its target Handler).
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*/
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public boolean onMenuItemSelected(int featureId, MenuItem item);
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/**
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* This is called whenever the current window attributes change.
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*
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*/
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public void onWindowAttributesChanged(WindowManager.LayoutParams attrs);
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/**
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* This hook is called whenever the content view of the screen changes
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* (due to a call to
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* {@link Window#setContentView(View, android.view.ViewGroup.LayoutParams)
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* Window.setContentView} or
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* {@link Window#addContentView(View, android.view.ViewGroup.LayoutParams)
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* Window.addContentView}).
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*/
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public void onContentChanged();
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/**
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* This hook is called whenever the window focus changes. See
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* {@link View#onWindowFocusChanged(boolean)
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* View.onWindowFocusChanged(boolean)} for more information.
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*
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* @param hasFocus Whether the window now has focus.
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*/
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public void onWindowFocusChanged(boolean hasFocus);
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/**
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* Called when the window has been attached to the window manager.
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* See {@link View#onAttachedToWindow() View.onAttachedToWindow()}
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* for more information.
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*/
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public void onAttachedToWindow();
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/**
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* Called when the window has been attached to the window manager.
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* See {@link View#onDetachedFromWindow() View.onDetachedFromWindow()}
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* for more information.
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*/
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public void onDetachedFromWindow();
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/**
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* Called when a panel is being closed. If another logical subsequent
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* panel is being opened (and this panel is being closed to make room for the subsequent
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* panel), this method will NOT be called.
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*
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* @param featureId The panel that is being displayed.
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* @param menu If onCreatePanelView() returned null, this is the Menu
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* being displayed in the panel.
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*/
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public void onPanelClosed(int featureId, Menu menu);
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/**
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* Called when the user signals the desire to start a search.
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*
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* @return true if search launched, false if activity refuses (blocks)
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*
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* @see android.app.Activity#onSearchRequested()
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*/
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public boolean onSearchRequested();
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}
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public Window(Context context) {
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mContext = context;
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}
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/**
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* Return the Context this window policy is running in, for retrieving
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* resources and other information.
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*
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* @return Context The Context that was supplied to the constructor.
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*/
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public final Context getContext() {
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return mContext;
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}
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/**
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* Return the {@link android.R.styleable#Window} attributes from this
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* window's theme.
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*/
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public final TypedArray getWindowStyle() {
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synchronized (this) {
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if (mWindowStyle == null) {
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mWindowStyle = mContext.obtainStyledAttributes(
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com.android.internal.R.styleable.Window);
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}
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return mWindowStyle;
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}
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}
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/**
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* Set the container for this window. If not set, the DecorWindow
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* operates as a top-level window; otherwise, it negotiates with the
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* container to display itself appropriately.
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*
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* @param container The desired containing Window.
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*/
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public void setContainer(Window container) {
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mContainer = container;
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if (container != null) {
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// Embedded screens never have a title.
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mFeatures |= 1<<FEATURE_NO_TITLE;
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mLocalFeatures |= 1<<FEATURE_NO_TITLE;
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container.mHasChildren = true;
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}
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}
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/**
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* Return the container for this Window.
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*
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* @return Window The containing window, or null if this is a
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* top-level window.
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*/
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public final Window getContainer() {
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return mContainer;
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}
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public final boolean hasChildren() {
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return mHasChildren;
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}
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/**
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* Set the window manager for use by this Window to, for example,
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* display panels. This is <em>not</em> used for displaying the
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* Window itself -- that must be done by the client.
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*
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* @param wm The ViewManager for adding new windows.
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*/
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public void setWindowManager(WindowManager wm,
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IBinder appToken, String appName) {
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mAppToken = appToken;
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mAppName = appName;
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if (wm == null) {
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wm = WindowManagerImpl.getDefault();
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}
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mWindowManager = new LocalWindowManager(wm);
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}
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private class LocalWindowManager implements WindowManager {
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LocalWindowManager(WindowManager wm) {
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mWindowManager = wm;
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mDefaultDisplay = mContext.getResources().getDefaultDisplay(
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mWindowManager.getDefaultDisplay());
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}
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public final void addView(View view, ViewGroup.LayoutParams params) {
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// Let this throw an exception on a bad params.
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WindowManager.LayoutParams wp = (WindowManager.LayoutParams)params;
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CharSequence curTitle = wp.getTitle();
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if (wp.type >= WindowManager.LayoutParams.FIRST_SUB_WINDOW &&
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wp.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
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if (wp.token == null) {
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View decor = peekDecorView();
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if (decor != null) {
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wp.token = decor.getWindowToken();
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}
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}
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if (curTitle == null || curTitle.length() == 0) {
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String title;
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if (wp.type == WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA) {
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title="Media";
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} else if (wp.type == WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA_OVERLAY) {
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title="MediaOvr";
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} else if (wp.type == WindowManager.LayoutParams.TYPE_APPLICATION_PANEL) {
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title="Panel";
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} else if (wp.type == WindowManager.LayoutParams.TYPE_APPLICATION_SUB_PANEL) {
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title="SubPanel";
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} else if (wp.type == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG) {
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title="AtchDlg";
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} else {
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title=Integer.toString(wp.type);
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}
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if (mAppName != null) {
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title += ":" + mAppName;
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}
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wp.setTitle(title);
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}
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} else {
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if (wp.token == null) {
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wp.token = mContainer == null ? mAppToken : mContainer.mAppToken;
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}
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if ((curTitle == null || curTitle.length() == 0)
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&& mAppName != null) {
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wp.setTitle(mAppName);
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}
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}
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if (wp.packageName == null) {
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wp.packageName = mContext.getPackageName();
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}
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mWindowManager.addView(view, params);
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}
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public void updateViewLayout(View view, ViewGroup.LayoutParams params) {
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mWindowManager.updateViewLayout(view, params);
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}
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public final void removeView(View view) {
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mWindowManager.removeView(view);
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}
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public final void removeViewImmediate(View view) {
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mWindowManager.removeViewImmediate(view);
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}
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public Display getDefaultDisplay() {
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return mDefaultDisplay;
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}
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private final WindowManager mWindowManager;
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private final Display mDefaultDisplay;
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}
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/**
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* Return the window manager allowing this Window to display its own
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* windows.
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*
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* @return WindowManager The ViewManager.
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*/
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public WindowManager getWindowManager() {
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return mWindowManager;
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}
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/**
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* Set the Callback interface for this window, used to intercept key
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* events and other dynamic operations in the window.
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*
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* @param callback The desired Callback interface.
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*/
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public void setCallback(Callback callback) {
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mCallback = callback;
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}
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/**
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* Return the current Callback interface for this window.
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*/
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public final Callback getCallback() {
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return mCallback;
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}
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/**
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* Take ownership of this window's surface. The window's view hierarchy
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* will no longer draw into the surface, though it will otherwise continue
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* to operate (such as for receiving input events). The given SurfaceHolder
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* callback will be used to tell you about state changes to the surface.
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*/
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public abstract void takeSurface(SurfaceHolder.Callback2 callback);
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/**
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* Take ownership of this window's InputQueue. The window will no
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* longer read and dispatch input events from the queue; it is your
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* responsibility to do so.
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*/
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public abstract void takeInputQueue(InputQueue.Callback callback);
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/**
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* Return whether this window is being displayed with a floating style
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* (based on the {@link android.R.attr#windowIsFloating} attribute in
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* the style/theme).
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*
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* @return Returns true if the window is configured to be displayed floating
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* on top of whatever is behind it.
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*/
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public abstract boolean isFloating();
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/**
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* Set the width and height layout parameters of the window. The default
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* for both of these is MATCH_PARENT; you can change them to WRAP_CONTENT to
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* make a window that is not full-screen.
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*
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* @param width The desired layout width of the window.
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* @param height The desired layout height of the window.
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*/
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public void setLayout(int width, int height)
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{
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final WindowManager.LayoutParams attrs = getAttributes();
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attrs.width = width;
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attrs.height = height;
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if (mCallback != null) {
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mCallback.onWindowAttributesChanged(attrs);
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}
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}
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/**
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* Set the gravity of the window, as per the Gravity constants. This
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* controls how the window manager is positioned in the overall window; it
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* is only useful when using WRAP_CONTENT for the layout width or height.
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*
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* @param gravity The desired gravity constant.
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*
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* @see Gravity
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* @see #setLayout
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*/
|
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public void setGravity(int gravity)
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{
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final WindowManager.LayoutParams attrs = getAttributes();
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attrs.gravity = gravity;
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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 custom animations to use for the window, as per
|
|
* {@link WindowManager.LayoutParams#windowAnimations
|
|
* WindowManager.LayoutParams.windowAnimations}. Providing anything besides
|
|
* 0 here will override the animations the window would
|
|
* normally retrieve from its theme.
|
|
*/
|
|
public void setWindowAnimations(int resId) {
|
|
final WindowManager.LayoutParams attrs = getAttributes();
|
|
attrs.windowAnimations = resId;
|
|
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();
|
|
|
|
}
|