1/*
2 * Copyright (C) 2014 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 android.hardware.input;
18
19import android.annotation.Nullable;
20import android.hardware.display.DisplayViewport;
21import android.view.InputEvent;
22import android.view.inputmethod.InputMethodInfo;
23import android.view.inputmethod.InputMethodSubtype;
24
25import java.util.List;
26
27/**
28 * Input manager local system service interface.
29 *
30 * @hide Only for use within the system server.
31 */
32public abstract class InputManagerInternal {
33    public abstract boolean injectInputEvent(InputEvent event, int displayId, int mode);
34
35    /**
36     * Called by the display manager to set information about the displays as needed
37     * by the input system.  The input system must copy this information to retain it.
38     */
39    public abstract void setDisplayViewports(DisplayViewport defaultViewport,
40            DisplayViewport externalTouchViewport, List<DisplayViewport> virtualTouchViewports);
41
42    /**
43     * Called by the power manager to tell the input manager whether it should start
44     * watching for wake events.
45     */
46    public abstract void setInteractive(boolean interactive);
47
48    /**
49     * Notifies that InputMethodManagerService switched the current input method subtype.
50     *
51     * @param userId user id that indicates who is using the specified input method and subtype.
52     * @param inputMethodInfo {@code null} when no input method is selected.
53     * @param subtype {@code null} when {@code inputMethodInfo} does has no subtype.
54     */
55    public abstract void onInputMethodSubtypeChanged(int userId,
56            @Nullable InputMethodInfo inputMethodInfo, @Nullable InputMethodSubtype subtype);
57
58    /**
59     * Toggles Caps Lock state for input device with specific id.
60     *
61     * @param deviceId The id of input device.
62     */
63    public abstract void toggleCapsLock(int deviceId);
64
65    /**
66     * Set whether the input stack should deliver pulse gesture events when the device is asleep.
67     */
68    public abstract void setPulseGestureEnabled(boolean enabled);
69}
70