Home | History | Annotate | Download | only in wm 
      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.Display;
     26 import android.view.InputChannel;
     27 import android.view.InputEventReceiver;
     28 import android.view.InputQueue;
     29 import android.view.WindowManagerPolicy;
     30 
     31 public final class FakeWindowImpl implements WindowManagerPolicy.FakeWindow {
     32     final WindowManagerService mService;
     33     final InputChannel mServerChannel, mClientChannel;
     34     final InputApplicationHandle mApplicationHandle;
     35     final InputWindowHandle mWindowHandle;
     36     final InputEventReceiver mInputEventReceiver;
     37     final int mWindowLayer;
     38 
     39     boolean mTouchFullscreen;
     40 
     41     public FakeWindowImpl(WindowManagerService service,
     42             Looper looper, InputEventReceiver.Factory inputEventReceiverFactory,
     43             String name, int windowType, int layoutParamsFlags, int layoutParamsPrivateFlags,
     44             boolean canReceiveKeys, boolean hasFocus, boolean touchFullscreen) {
     45         mService = service;
     46 
     47         InputChannel[] channels = InputChannel.openInputChannelPair(name);
     48         mServerChannel = channels[0];
     49         mClientChannel = channels[1];
     50         mService.mInputManager.registerInputChannel(mServerChannel, null);
     51 
     52         mInputEventReceiver = inputEventReceiverFactory.createInputEventReceiver(
     53                 mClientChannel, looper);
     54 
     55         mApplicationHandle = new InputApplicationHandle(null);
     56         mApplicationHandle.name = name;
     57         mApplicationHandle.dispatchingTimeoutNanos =
     58                 WindowManagerService.DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS;
     59 
     60         mWindowHandle = new InputWindowHandle(mApplicationHandle, null, Display.DEFAULT_DISPLAY);
     61         mWindowHandle.name = name;
     62         mWindowHandle.inputChannel = mServerChannel;
     63         mWindowLayer = getLayerLw(windowType);
     64         mWindowHandle.layer = mWindowLayer;
     65         mWindowHandle.layoutParamsFlags = layoutParamsFlags;
     66         mWindowHandle.layoutParamsPrivateFlags = layoutParamsPrivateFlags;
     67         mWindowHandle.layoutParamsType = windowType;
     68         mWindowHandle.dispatchingTimeoutNanos =
     69                 WindowManagerService.DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS;
     70         mWindowHandle.visible = true;
     71         mWindowHandle.canReceiveKeys = canReceiveKeys;
     72         mWindowHandle.hasFocus = hasFocus;
     73         mWindowHandle.hasWallpaper = false;
     74         mWindowHandle.paused = false;
     75         mWindowHandle.ownerPid = Process.myPid();
     76         mWindowHandle.ownerUid = Process.myUid();
     77         mWindowHandle.inputFeatures = 0;
     78         mWindowHandle.scaleFactor = 1.0f;
     79 
     80         mTouchFullscreen = touchFullscreen;
     81     }
     82 
     83     void layout(int dw, int dh) {
     84         if (mTouchFullscreen) {
     85             mWindowHandle.touchableRegion.set(0, 0, dw, dh);
     86         } else {
     87             mWindowHandle.touchableRegion.setEmpty();
     88         }
     89         mWindowHandle.frameLeft = 0;
     90         mWindowHandle.frameTop = 0;
     91         mWindowHandle.frameRight = dw;
     92         mWindowHandle.frameBottom = dh;
     93     }
     94 
     95     @Override
     96     public void dismiss() {
     97         synchronized (mService.mWindowMap) {
     98             if (mService.removeFakeWindowLocked(this)) {
     99                 mInputEventReceiver.dispose();
    100                 mService.mInputManager.unregisterInputChannel(mServerChannel);
    101                 mClientChannel.dispose();
    102                 mServerChannel.dispose();
    103             }
    104         }
    105     }
    106 
    107     private int getLayerLw(int windowType) {
    108         return mService.mPolicy.windowTypeToLayerLw(windowType)
    109                 * WindowManagerService.TYPE_LAYER_MULTIPLIER
    110                 + WindowManagerService.TYPE_LAYER_OFFSET;
    111     }
    112 }
    113