InputWindowHandle.java revision 9158825f9c41869689d6b1786d7c7aa8bdd524ce 
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.input;
18
19import android.graphics.Region;
20import android.view.InputChannel;
21
22/**
23 * Functions as a handle for a window that can receive input.
24 * Enables the native input dispatcher to refer indirectly to the window manager's window state.
25 * @hide
26 */
27public final class InputWindowHandle {
28    // Pointer to the native input window handle.
29    // This field is lazily initialized via JNI.
30    @SuppressWarnings("unused")
31    private int ptr;
32
33    // The input application handle.
34    public final InputApplicationHandle inputApplicationHandle;
35
36    // The window manager's window state.
37    public final Object windowState;
38
39    // The input channel associated with the window.
40    public InputChannel inputChannel;
41
42    // The window name.
43    public String name;
44
45    // Window layout params attributes.  (WindowManager.LayoutParams)
46    public int layoutParamsFlags;
47    public int layoutParamsPrivateFlags;
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    // Display this input is on.
92    public final int displayId;
93
94    private native void nativeDispose();
95
96    public InputWindowHandle(InputApplicationHandle inputApplicationHandle,
97            Object windowState, int displayId) {
98        this.inputApplicationHandle = inputApplicationHandle;
99        this.windowState = windowState;
100        this.displayId = displayId;
101    }
102
103    @Override
104    protected void finalize() throws Throwable {
105        try {
106            nativeDispose();
107        } finally {
108            super.finalize();
109        }
110    }
111}
112