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 17 package com.android.server.wm; 18 19 import com.android.server.input.InputApplicationHandle; 20 import com.android.server.input.InputWindowHandle; 21 22 import android.os.Looper; 23 import android.os.Process; 24 import android.util.Slog; 25 import android.view.InputChannel; 26 import android.view.InputEventReceiver; 27 import android.view.InputQueue; 28 import android.view.WindowManagerPolicy; 29 30 public final class FakeWindowImpl implements WindowManagerPolicy.FakeWindow { 31 final WindowManagerService mService; 32 final InputChannel mServerChannel, mClientChannel; 33 final InputApplicationHandle mApplicationHandle; 34 final InputWindowHandle mWindowHandle; 35 final InputEventReceiver mInputEventReceiver; 36 final int mWindowLayer; 37 38 boolean mTouchFullscreen; 39 40 public FakeWindowImpl(WindowManagerService service, 41 Looper looper, InputEventReceiver.Factory inputEventReceiverFactory, 42 String name, int windowType, int layoutParamsFlags, boolean canReceiveKeys, 43 boolean hasFocus, boolean touchFullscreen) { 44 mService = service; 45 46 InputChannel[] channels = InputChannel.openInputChannelPair(name); 47 mServerChannel = channels[0]; 48 mClientChannel = channels[1]; 49 mService.mInputManager.registerInputChannel(mServerChannel, null); 50 51 mInputEventReceiver = inputEventReceiverFactory.createInputEventReceiver( 52 mClientChannel, looper); 53 54 mApplicationHandle = new InputApplicationHandle(null); 55 mApplicationHandle.name = name; 56 mApplicationHandle.dispatchingTimeoutNanos = 57 WindowManagerService.DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS; 58 59 mWindowHandle = new InputWindowHandle(mApplicationHandle, null); 60 mWindowHandle.name = name; 61 mWindowHandle.inputChannel = mServerChannel; 62 mWindowLayer = getLayerLw(windowType); 63 mWindowHandle.layer = mWindowLayer; 64 mWindowHandle.layoutParamsFlags = layoutParamsFlags; 65 mWindowHandle.layoutParamsType = windowType; 66 mWindowHandle.dispatchingTimeoutNanos = 67 WindowManagerService.DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS; 68 mWindowHandle.visible = true; 69 mWindowHandle.canReceiveKeys = canReceiveKeys; 70 mWindowHandle.hasFocus = hasFocus; 71 mWindowHandle.hasWallpaper = false; 72 mWindowHandle.paused = false; 73 mWindowHandle.ownerPid = Process.myPid(); 74 mWindowHandle.ownerUid = Process.myUid(); 75 mWindowHandle.inputFeatures = 0; 76 mWindowHandle.scaleFactor = 1.0f; 77 78 mTouchFullscreen = touchFullscreen; 79 } 80 81 void layout(int dw, int dh) { 82 if (mTouchFullscreen) { 83 mWindowHandle.touchableRegion.set(0, 0, dw, dh); 84 } else { 85 mWindowHandle.touchableRegion.setEmpty(); 86 } 87 mWindowHandle.frameLeft = 0; 88 mWindowHandle.frameTop = 0; 89 mWindowHandle.frameRight = dw; 90 mWindowHandle.frameBottom = dh; 91 } 92 93 @Override 94 public void dismiss() { 95 synchronized (mService.mWindowMap) { 96 if (mService.removeFakeWindowLocked(this)) { 97 mInputEventReceiver.dispose(); 98 mService.mInputManager.unregisterInputChannel(mServerChannel); 99 mClientChannel.dispose(); 100 mServerChannel.dispose(); 101 } 102 } 103 } 104 105 private int getLayerLw(int windowType) { 106 return mService.mPolicy.windowTypeToLayerLw(windowType) 107 * WindowManagerService.TYPE_LAYER_MULTIPLIER 108 + WindowManagerService.TYPE_LAYER_OFFSET; 109 } 110 } 111