1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.wm; 18 19import com.android.server.input.InputApplicationHandle; 20import com.android.server.input.InputWindowHandle; 21 22import android.os.Looper; 23import android.os.Process; 24import android.view.Display; 25import android.view.InputChannel; 26import android.view.InputEventReceiver; 27import android.view.WindowManagerPolicy; 28 29public final class FakeWindowImpl implements WindowManagerPolicy.FakeWindow { 30 final WindowManagerService mService; 31 final InputChannel mServerChannel, mClientChannel; 32 final InputApplicationHandle mApplicationHandle; 33 final InputWindowHandle mWindowHandle; 34 final InputEventReceiver mInputEventReceiver; 35 final int mWindowLayer; 36 37 boolean mTouchFullscreen; 38 39 public FakeWindowImpl(WindowManagerService service, 40 Looper looper, InputEventReceiver.Factory inputEventReceiverFactory, 41 String name, int windowType, int layoutParamsFlags, 42 boolean canReceiveKeys, boolean hasFocus, boolean touchFullscreen) { 43 mService = service; 44 45 InputChannel[] channels = InputChannel.openInputChannelPair(name); 46 mServerChannel = channels[0]; 47 mClientChannel = channels[1]; 48 mService.mInputManager.registerInputChannel(mServerChannel, null); 49 50 mInputEventReceiver = inputEventReceiverFactory.createInputEventReceiver( 51 mClientChannel, looper); 52 53 mApplicationHandle = new InputApplicationHandle(null); 54 mApplicationHandle.name = name; 55 mApplicationHandle.dispatchingTimeoutNanos = 56 WindowManagerService.DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS; 57 58 mWindowHandle = new InputWindowHandle(mApplicationHandle, null, Display.DEFAULT_DISPLAY); 59 mWindowHandle.name = name; 60 mWindowHandle.inputChannel = mServerChannel; 61 mWindowLayer = getLayerLw(windowType); 62 mWindowHandle.layer = mWindowLayer; 63 mWindowHandle.layoutParamsFlags = layoutParamsFlags; 64 mWindowHandle.layoutParamsType = windowType; 65 mWindowHandle.dispatchingTimeoutNanos = 66 WindowManagerService.DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS; 67 mWindowHandle.visible = true; 68 mWindowHandle.canReceiveKeys = canReceiveKeys; 69 mWindowHandle.hasFocus = hasFocus; 70 mWindowHandle.hasWallpaper = false; 71 mWindowHandle.paused = false; 72 mWindowHandle.ownerPid = Process.myPid(); 73 mWindowHandle.ownerUid = Process.myUid(); 74 mWindowHandle.inputFeatures = 0; 75 mWindowHandle.scaleFactor = 1.0f; 76 77 mTouchFullscreen = touchFullscreen; 78 } 79 80 void layout(int dw, int dh) { 81 if (mTouchFullscreen) { 82 mWindowHandle.touchableRegion.set(0, 0, dw, dh); 83 } else { 84 mWindowHandle.touchableRegion.setEmpty(); 85 } 86 mWindowHandle.frameLeft = 0; 87 mWindowHandle.frameTop = 0; 88 mWindowHandle.frameRight = dw; 89 mWindowHandle.frameBottom = dh; 90 } 91 92 @Override 93 public void dismiss() { 94 synchronized (mService.mWindowMap) { 95 if (mService.removeFakeWindowLocked(this)) { 96 mInputEventReceiver.dispose(); 97 mService.mInputManager.unregisterInputChannel(mServerChannel); 98 mClientChannel.dispose(); 99 mServerChannel.dispose(); 100 } 101 } 102 } 103 104 private int getLayerLw(int windowType) { 105 return mService.mPolicy.windowTypeToLayerLw(windowType) 106 * WindowManagerService.TYPE_LAYER_MULTIPLIER 107 + WindowManagerService.TYPE_LAYER_OFFSET; 108 } 109} 110