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