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 #pragma once 18 19 #include <vector> 20 21 #include <input/Input.h> 22 #include <input/InputDevice.h> 23 #include <input/TouchVideoFrame.h> 24 #include "NotifyArgs.h" 25 26 namespace android { 27 28 std::list<NotifyArgs>& operator+=(std::list<NotifyArgs>& keep, std::list<NotifyArgs>&& consume); 29 30 /* 31 * The interface used by the InputReader to notify the InputListener about input events. 32 */ 33 class InputListenerInterface { 34 public: InputListenerInterface()35 InputListenerInterface() { } 36 InputListenerInterface(const InputListenerInterface&) = delete; 37 InputListenerInterface& operator=(const InputListenerInterface&) = delete; ~InputListenerInterface()38 virtual ~InputListenerInterface() { } 39 40 virtual void notifyInputDevicesChanged(const NotifyInputDevicesChangedArgs& args) = 0; 41 virtual void notifyKey(const NotifyKeyArgs& args) = 0; 42 virtual void notifyMotion(const NotifyMotionArgs& args) = 0; 43 virtual void notifySwitch(const NotifySwitchArgs& args) = 0; 44 virtual void notifySensor(const NotifySensorArgs& args) = 0; 45 virtual void notifyVibratorState(const NotifyVibratorStateArgs& args) = 0; 46 virtual void notifyDeviceReset(const NotifyDeviceResetArgs& args) = 0; 47 virtual void notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs& args) = 0; 48 49 void notify(const NotifyArgs& args); 50 }; 51 52 /* 53 * An implementation of the listener interface that queues up and defers dispatch 54 * of decoded events until flushed. 55 */ 56 class QueuedInputListener : public InputListenerInterface { 57 58 public: 59 explicit QueuedInputListener(InputListenerInterface& innerListener); 60 61 virtual void notifyInputDevicesChanged(const NotifyInputDevicesChangedArgs& args) override; 62 virtual void notifyKey(const NotifyKeyArgs& args) override; 63 virtual void notifyMotion(const NotifyMotionArgs& args) override; 64 virtual void notifySwitch(const NotifySwitchArgs& args) override; 65 virtual void notifySensor(const NotifySensorArgs& args) override; 66 virtual void notifyDeviceReset(const NotifyDeviceResetArgs& args) override; 67 void notifyVibratorState(const NotifyVibratorStateArgs& args) override; 68 void notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs& args) override; 69 70 void flush(); 71 72 private: 73 InputListenerInterface& mInnerListener; 74 std::vector<NotifyArgs> mArgsQueue; 75 }; 76 77 /* 78 * An implementation of the listener interface that traces the calls to its inner listener. 79 */ 80 class TracedInputListener : public InputListenerInterface { 81 public: 82 explicit TracedInputListener(const char* name, InputListenerInterface& innerListener); 83 84 virtual void notifyInputDevicesChanged(const NotifyInputDevicesChangedArgs& args) override; 85 virtual void notifyKey(const NotifyKeyArgs& args) override; 86 virtual void notifyMotion(const NotifyMotionArgs& args) override; 87 virtual void notifySwitch(const NotifySwitchArgs& args) override; 88 virtual void notifySensor(const NotifySensorArgs& args) override; 89 virtual void notifyDeviceReset(const NotifyDeviceResetArgs& args) override; 90 void notifyVibratorState(const NotifyVibratorStateArgs& args) override; 91 void notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs& args) override; 92 93 private: 94 InputListenerInterface& mInnerListener; 95 const char* mName; 96 }; 97 98 } // namespace android 99