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 android.graphics.Region; 20 import android.view.InputChannel; 21 import android.view.WindowManagerPolicy; 22 23 /** 24 * Functions as a handle for a window that can receive input. 25 * Enables the native input dispatcher to refer indirectly to the window manager's window state. 26 * @hide 27 */ 28 public final class InputWindowHandle { 29 // Pointer to the native input window handle. 30 // This field is lazily initialized via JNI. 31 @SuppressWarnings("unused") 32 private int ptr; 33 34 // The input application handle. 35 public final InputApplicationHandle inputApplicationHandle; 36 37 // The window manager's window state. 38 public final WindowManagerPolicy.WindowState windowState; 39 40 // The input channel associated with the window. 41 public InputChannel inputChannel; 42 43 // The window name. 44 public String name; 45 46 // Window layout params attributes. (WindowManager.LayoutParams) 47 public int layoutParamsFlags; 48 public int layoutParamsType; 49 50 // Dispatching timeout. 51 public long dispatchingTimeoutNanos; 52 53 // Window frame. 54 public int frameLeft; 55 public int frameTop; 56 public int frameRight; 57 public int frameBottom; 58 59 // Global scaling factor applied to touch events when they are dispatched 60 // to the window 61 public float scaleFactor; 62 63 // Window touchable region. 64 public final Region touchableRegion = new Region(); 65 66 // Window is visible. 67 public boolean visible; 68 69 // Window can receive keys. 70 public boolean canReceiveKeys; 71 72 // Window has focus. 73 public boolean hasFocus; 74 75 // Window has wallpaper. (window is the current wallpaper target) 76 public boolean hasWallpaper; 77 78 // Input event dispatching is paused. 79 public boolean paused; 80 81 // Window layer. 82 public int layer; 83 84 // Id of process and user that owns the window. 85 public int ownerPid; 86 public int ownerUid; 87 88 // Window input features. 89 public int inputFeatures; 90 91 private native void nativeDispose(); 92 93 public InputWindowHandle(InputApplicationHandle inputApplicationHandle, 94 WindowManagerPolicy.WindowState windowState) { 95 this.inputApplicationHandle = inputApplicationHandle; 96 this.windowState = windowState; 97 } 98 99 @Override 100 protected void finalize() throws Throwable { 101 try { 102 nativeDispose(); 103 } finally { 104 super.finalize(); 105 } 106 } 107 } 108