Home | History | Annotate | Download | only in input 
      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 
     17 package android.hardware.input;
     18 
     19 import android.annotation.Nullable;
     20 import android.hardware.display.DisplayViewport;
     21 import android.view.InputEvent;
     22 import android.view.inputmethod.InputMethodInfo;
     23 import android.view.inputmethod.InputMethodSubtype;
     24 
     25 /**
     26  * Input manager local system service interface.
     27  *
     28  * @hide Only for use within the system server.
     29  */
     30 public 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