/*
* Copyright (C) 2011 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 com.android.server.wm;
import static com.android.server.wm.WindowManagerService.DEBUG_CONFIGURATION;
import static com.android.server.wm.WindowManagerService.DEBUG_LAYOUT;
import static com.android.server.wm.WindowManagerService.DEBUG_ORIENTATION;
import static com.android.server.wm.WindowManagerService.DEBUG_RESIZE;
import static com.android.server.wm.WindowManagerService.DEBUG_VISIBILITY;
import static android.view.WindowManager.LayoutParams.FIRST_SUB_WINDOW;
import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
import static android.view.WindowManager.LayoutParams.LAST_SUB_WINDOW;
import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_NO_MOVE_ANIMATION;
import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG;
import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER;
import android.app.AppOpsManager;
import android.os.Debug;
import android.os.RemoteCallbackList;
import android.os.SystemClock;
import android.util.TimeUtils;
import android.view.Display;
import android.view.IWindowFocusObserver;
import android.view.IWindowId;
import com.android.server.input.InputWindowHandle;
import android.content.Context;
import android.content.res.Configuration;
import android.graphics.Matrix;
import android.graphics.PixelFormat;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Region;
import android.os.IBinder;
import android.os.RemoteException;
import android.os.UserHandle;
import android.util.Slog;
import android.view.DisplayInfo;
import android.view.Gravity;
import android.view.IApplicationToken;
import android.view.IWindow;
import android.view.InputChannel;
import android.view.View;
import android.view.ViewTreeObserver;
import android.view.WindowManager;
import android.view.WindowManagerPolicy;
import java.io.PrintWriter;
import java.util.ArrayList;
class WindowList extends ArrayList<WindowState> {
}
/**
* A window in the window manager.
*/
final class WindowState implements WindowManagerPolicy.WindowState {
static final String TAG = "WindowState";
final WindowManagerService mService;
final WindowManagerPolicy mPolicy;
final Context mContext;
final Session mSession;
final IWindow mClient;
final int mAppOp;
// UserId and appId of the owner. Don't display windows of non-current user.
final int mOwnerUid;
final IWindowId mWindowId;
WindowToken mToken;
WindowToken mRootToken;
AppWindowToken mAppToken;
AppWindowToken mTargetAppToken;
// mAttrs.flags is tested in animation without being locked. If the bits tested are ever
// modified they will need to be locked.
final WindowManager.LayoutParams mAttrs = new WindowManager.LayoutParams();
final DeathRecipient mDeathRecipient;
final WindowState mAttachedWindow;
final WindowList mChildWindows = new WindowList();
final int mBaseLayer;
final int mSubLayer;
final boolean mLayoutAttached;
final boolean mIsImWindow;
final boolean mIsWallpaper;
final boolean mIsFloatingLayer;
int mSeq;
boolean mEnforceSizeCompat;
int mViewVisibility;
int mSystemUiVisibility;
boolean mPolicyVisibility = true;
boolean mPolicyVisibilityAfterAnim = true;
boolean mAppOpVisibility = true;
boolean mAppFreezing;
boolean mAttachedHidden; // is our parent window hidden?
boolean mWallpaperVisible; // for wallpaper, what was last vis report?
RemoteCallbackList<IWindowFocusObserver> mFocusCallbacks;
/**
* The window size that was requested by the application. These are in
* the application's coordinate space (without compatibility scale applied).
*/
int mRequestedWidth;
int mRequestedHeight;
int mLastRequestedWidth;
int mLastRequestedHeight;
int mLayer;
boolean mHaveFrame;
boolean mObscured;
boolean mTurnOnScreen;
int mLayoutSeq = -1;
Configuration mConfiguration = null;
// Sticky answer to isConfigChanged(), remains true until new Configuration is assigned.
// Used only on {@link #TYPE_KEYGUARD}.
private boolean mConfigHasChanged;
/**
* Actual frame shown on-screen (may be modified by animation). These
* are in the screen's coordinate space (WITH the compatibility scale
* applied).
*/
final RectF mShownFrame = new RectF();
/**
* Insets that determine the actually visible area. These are in the application's
* coordinate space (without compatibility scale applied).
*/
final Rect mVisibleInsets = new Rect();
final Rect mLastVisibleInsets = new Rect();
boolean mVisibleInsetsChanged;
/**
* Insets that are covered by system windows (such as the status bar) and
* transient docking windows (such as the IME). These are in the application's
* coordinate space (without compatibility scale applied).
*/
final Rect mContentInsets = new Rect();
final Rect mLastContentInsets = new Rect();
boolean mContentInsetsChanged;
/**
* Insets that determine the area covered by the display overscan region. These are in the
* application's coordinate space (without compatibility scale applied).
*/
final Rect mOverscanInsets = new Rect();
final Rect mLastOverscanInsets = new Rect();
boolean mOverscanInsetsChanged;
/**
* Insets that determine the area covered by the stable system windows. These are in the
* application's coordinate space (without compatibility scale applied).
*/
final Rect mStableInsets = new Rect();
final Rect mLastStableInsets = new Rect();
boolean mStableInsetsChanged;
/**
* Set to true if we are waiting for this window to receive its
* given internal insets before laying out other windows based on it.
*/
boolean mGivenInsetsPending;
/**
* These are the content insets that were given during layout for
* this window, to be applied to windows behind it.
*/
final Rect mGivenContentInsets = new Rect();
/**
* These are the visible insets that were given during layout for
* this window, to be applied to windows behind it.
*/
final Rect mGivenVisibleInsets = new Rect();
/**
* This is the given touchable area relative to the window frame, or null if none.
*/
final Region mGivenTouchableRegion = new Region();
/**
* Flag indicating whether the touchable region should be adjusted by
* the visible insets; if false the area outside the visible insets is
* NOT touchable, so we must use those to adjust the frame during hit
* tests.
*/
int mTouchableInsets = ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_FRAME;
/**
* This is rectangle of the window's surface that is not covered by
* system decorations.
*/
final Rect mSystemDecorRect = new Rect();
final Rect mLastSystemDecorRect = new Rect();
// Current transformation being applied.
float mGlobalScale=1;
float mInvGlobalScale=1;
float mHScale=1, mVScale=1;
float mLastHScale=1, mLastVScale=1;
final Matrix mTmpMatrix = new Matrix();
// "Real" frame that the application sees, in display coordinate space.
final Rect mFrame = new Rect();
final Rect mLastFrame = new Rect();
// Frame that is scaled to the application's coordinate space when in
// screen size compatibility mode.
final Rect mCompatFrame = new Rect();
final Rect mContainingFrame = new Rect();
final Rect mParentFrame = new Rect();
// The entire screen area of the device.
final Rect mDisplayFrame = new Rect();
// The region of the display frame that the display type supports displaying content on. This
// is mostly a special case for TV where some displays donā |
