/*
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* Copyright (C) 2016 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 com.android.server.wm;
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import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER;
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import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYERS;
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import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WALLPAPER_LIGHT;
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import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME;
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import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM;
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import android.os.Bundle;
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import android.os.IBinder;
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import android.os.RemoteException;
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import android.util.Slog;
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import android.view.DisplayInfo;
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import android.view.animation.Animation;
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/**
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* A token that represents a set of wallpaper windows.
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*/
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class WallpaperWindowToken extends WindowToken {
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private static final String TAG = TAG_WITH_CLASS_NAME ? "WallpaperWindowToken" : TAG_WM;
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WallpaperWindowToken(WindowManagerService service, IBinder token, boolean explicit,
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DisplayContent dc, boolean ownerCanManageAppTokens) {
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super(service, token, TYPE_WALLPAPER, explicit, dc, ownerCanManageAppTokens);
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dc.mWallpaperController.addWallpaperToken(this);
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}
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@Override
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void setExiting() {
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super.setExiting();
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mDisplayContent.mWallpaperController.removeWallpaperToken(this);
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}
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void hideWallpaperToken(boolean wasDeferred, String reason) {
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for (int j = mChildren.size() - 1; j >= 0; j--) {
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final WindowState wallpaper = mChildren.get(j);
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wallpaper.hideWallpaperWindow(wasDeferred, reason);
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}
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setHidden(true);
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}
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void sendWindowWallpaperCommand(
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String action, int x, int y, int z, Bundle extras, boolean sync) {
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for (int wallpaperNdx = mChildren.size() - 1; wallpaperNdx >= 0; wallpaperNdx--) {
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final WindowState wallpaper = mChildren.get(wallpaperNdx);
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try {
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wallpaper.mClient.dispatchWallpaperCommand(action, x, y, z, extras, sync);
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// We only want to be synchronous with one wallpaper.
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sync = false;
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} catch (RemoteException e) {
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}
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}
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}
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void updateWallpaperOffset(int dw, int dh, boolean sync) {
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final WallpaperController wallpaperController = mDisplayContent.mWallpaperController;
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for (int wallpaperNdx = mChildren.size() - 1; wallpaperNdx >= 0; wallpaperNdx--) {
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final WindowState wallpaper = mChildren.get(wallpaperNdx);
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if (wallpaperController.updateWallpaperOffset(wallpaper, dw, dh, sync)) {
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// We only want to be synchronous with one wallpaper.
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sync = false;
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}
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}
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}
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void updateWallpaperVisibility(boolean visible) {
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final DisplayInfo displayInfo = mDisplayContent.getDisplayInfo();
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final int dw = displayInfo.logicalWidth;
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final int dh = displayInfo.logicalHeight;
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if (isHidden() == visible) {
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setHidden(!visible);
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// Need to do a layout to ensure the wallpaper now has the correct size.
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mDisplayContent.setLayoutNeeded();
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}
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final WallpaperController wallpaperController = mDisplayContent.mWallpaperController;
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for (int wallpaperNdx = mChildren.size() - 1; wallpaperNdx >= 0; wallpaperNdx--) {
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final WindowState wallpaper = mChildren.get(wallpaperNdx);
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if (visible) {
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wallpaperController.updateWallpaperOffset(wallpaper, dw, dh, false);
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}
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wallpaper.dispatchWallpaperVisibility(visible);
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}
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}
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/**
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* Starts {@param anim} on all children.
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*/
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void startAnimation(Animation anim) {
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for (int ndx = mChildren.size() - 1; ndx >= 0; ndx--) {
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final WindowState windowState = mChildren.get(ndx);
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windowState.startAnimation(anim);
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}
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}
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void updateWallpaperWindows(boolean visible) {
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if (isHidden() == visible) {
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if (DEBUG_WALLPAPER_LIGHT) Slog.d(TAG,
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"Wallpaper token " + token + " hidden=" + !visible);
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setHidden(!visible);
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// Need to do a layout to ensure the wallpaper now has the correct size.
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mDisplayContent.setLayoutNeeded();
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}
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final DisplayInfo displayInfo = mDisplayContent.getDisplayInfo();
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final int dw = displayInfo.logicalWidth;
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final int dh = displayInfo.logicalHeight;
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final WallpaperController wallpaperController = mDisplayContent.mWallpaperController;
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for (int wallpaperNdx = mChildren.size() - 1; wallpaperNdx >= 0; wallpaperNdx--) {
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final WindowState wallpaper = mChildren.get(wallpaperNdx);
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if (visible) {
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wallpaperController.updateWallpaperOffset(wallpaper, dw, dh, false);
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}
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// First, make sure the client has the current visibility state.
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wallpaper.dispatchWallpaperVisibility(visible);
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if (DEBUG_LAYERS || DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, "adjustWallpaper win "
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+ wallpaper);
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}
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}
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boolean hasVisibleNotDrawnWallpaper() {
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for (int j = mChildren.size() - 1; j >= 0; --j) {
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final WindowState wallpaper = mChildren.get(j);
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if (wallpaper.hasVisibleNotDrawnWallpaper()) {
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return true;
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}
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}
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return false;
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}
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@Override
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public String toString() {
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if (stringName == null) {
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StringBuilder sb = new StringBuilder();
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sb.append("WallpaperWindowToken{");
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sb.append(Integer.toHexString(System.identityHashCode(this)));
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sb.append(" token="); sb.append(token); sb.append('}');
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stringName = sb.toString();
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}
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return stringName;
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}
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}
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