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comparison: widget/gonk/libui/InputListener.h
widget/gonk/libui/InputListener.h
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| -1:000000000000 | 0:30c2a471bf0d |
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| 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 #ifndef _UI_INPUT_LISTENER_H | |
| 18 #define _UI_INPUT_LISTENER_H | |
| 19 | |
| 20 #include "Input.h" | |
| 21 #include <utils/RefBase.h> | |
| 22 #include <utils/Vector.h> | |
| 23 | |
| 24 namespace android { | |
| 25 | |
| 26 class InputListenerInterface; | |
| 27 | |
| 28 | |
| 29 /* Superclass of all input event argument objects */ | |
| 30 struct NotifyArgs { | |
| 31 virtual ~NotifyArgs() { } | |
| 32 | |
| 33 virtual void notify(const sp<InputListenerInterface>& listener) const = 0; | |
| 34 }; | |
| 35 | |
| 36 | |
| 37 /* Describes a configuration change event. */ | |
| 38 struct NotifyConfigurationChangedArgs : public NotifyArgs { | |
| 39 nsecs_t eventTime; | |
| 40 | |
| 41 inline NotifyConfigurationChangedArgs() { } | |
| 42 | |
| 43 NotifyConfigurationChangedArgs(nsecs_t eventTime); | |
| 44 | |
| 45 NotifyConfigurationChangedArgs(const NotifyConfigurationChangedArgs& other); | |
| 46 | |
| 47 virtual ~NotifyConfigurationChangedArgs() { } | |
| 48 | |
| 49 virtual void notify(const sp<InputListenerInterface>& listener) const; | |
| 50 }; | |
| 51 | |
| 52 | |
| 53 /* Describes a key event. */ | |
| 54 struct NotifyKeyArgs : public NotifyArgs { | |
| 55 nsecs_t eventTime; | |
| 56 int32_t deviceId; | |
| 57 uint32_t source; | |
| 58 uint32_t policyFlags; | |
| 59 int32_t action; | |
| 60 int32_t flags; | |
| 61 int32_t keyCode; | |
| 62 int32_t scanCode; | |
| 63 int32_t metaState; | |
| 64 nsecs_t downTime; | |
| 65 | |
| 66 inline NotifyKeyArgs() { } | |
| 67 | |
| 68 NotifyKeyArgs(nsecs_t eventTime, int32_t deviceId, uint32_t source, uint32_t policyFlags, | |
| 69 int32_t action, int32_t flags, int32_t keyCode, int32_t scanCode, | |
| 70 int32_t metaState, nsecs_t downTime); | |
| 71 | |
| 72 NotifyKeyArgs(const NotifyKeyArgs& other); | |
| 73 | |
| 74 virtual ~NotifyKeyArgs() { } | |
| 75 | |
| 76 virtual void notify(const sp<InputListenerInterface>& listener) const; | |
| 77 }; | |
| 78 | |
| 79 | |
| 80 /* Describes a motion event. */ | |
| 81 struct NotifyMotionArgs : public NotifyArgs { | |
| 82 nsecs_t eventTime; | |
| 83 int32_t deviceId; | |
| 84 uint32_t source; | |
| 85 uint32_t policyFlags; | |
| 86 int32_t action; | |
| 87 int32_t flags; | |
| 88 int32_t metaState; | |
| 89 int32_t buttonState; | |
| 90 int32_t edgeFlags; | |
| 91 int32_t displayId; | |
| 92 uint32_t pointerCount; | |
| 93 PointerProperties pointerProperties[MAX_POINTERS]; | |
| 94 PointerCoords pointerCoords[MAX_POINTERS]; | |
| 95 float xPrecision; | |
| 96 float yPrecision; | |
| 97 nsecs_t downTime; | |
| 98 | |
| 99 inline NotifyMotionArgs() { } | |
| 100 | |
| 101 NotifyMotionArgs(nsecs_t eventTime, int32_t deviceId, uint32_t source, uint32_t policyFlags, | |
| 102 int32_t action, int32_t flags, int32_t metaState, int32_t buttonState, | |
| 103 int32_t edgeFlags, int32_t displayId, uint32_t pointerCount, | |
| 104 const PointerProperties* pointerProperties, const PointerCoords* pointerCoords, | |
| 105 float xPrecision, float yPrecision, nsecs_t downTime); | |
| 106 | |
| 107 NotifyMotionArgs(const NotifyMotionArgs& other); | |
| 108 | |
| 109 virtual ~NotifyMotionArgs() { } | |
| 110 | |
| 111 virtual void notify(const sp<InputListenerInterface>& listener) const; | |
| 112 }; | |
| 113 | |
| 114 | |
| 115 /* Describes a switch event. */ | |
| 116 struct NotifySwitchArgs : public NotifyArgs { | |
| 117 nsecs_t eventTime; | |
| 118 uint32_t policyFlags; | |
| 119 uint32_t switchValues; | |
| 120 uint32_t switchMask; | |
| 121 | |
| 122 inline NotifySwitchArgs() { } | |
| 123 | |
| 124 NotifySwitchArgs(nsecs_t eventTime, uint32_t policyFlags, | |
| 125 uint32_t switchValues, uint32_t switchMask); | |
| 126 | |
| 127 NotifySwitchArgs(const NotifySwitchArgs& other); | |
| 128 | |
| 129 virtual ~NotifySwitchArgs() { } | |
| 130 | |
| 131 virtual void notify(const sp<InputListenerInterface>& listener) const; | |
| 132 }; | |
| 133 | |
| 134 | |
| 135 /* Describes a device reset event, such as when a device is added, | |
| 136 * reconfigured, or removed. */ | |
| 137 struct NotifyDeviceResetArgs : public NotifyArgs { | |
| 138 nsecs_t eventTime; | |
| 139 int32_t deviceId; | |
| 140 | |
| 141 inline NotifyDeviceResetArgs() { } | |
| 142 | |
| 143 NotifyDeviceResetArgs(nsecs_t eventTime, int32_t deviceId); | |
| 144 | |
| 145 NotifyDeviceResetArgs(const NotifyDeviceResetArgs& other); | |
| 146 | |
| 147 virtual ~NotifyDeviceResetArgs() { } | |
| 148 | |
| 149 virtual void notify(const sp<InputListenerInterface>& listener) const; | |
| 150 }; | |
| 151 | |
| 152 | |
| 153 /* | |
| 154 * The interface used by the InputReader to notify the InputListener about input events. | |
| 155 */ | |
| 156 class InputListenerInterface : public virtual RefBase { | |
| 157 protected: | |
| 158 InputListenerInterface() { } | |
| 159 virtual ~InputListenerInterface() { } | |
| 160 | |
| 161 public: | |
| 162 virtual void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) = 0; | |
| 163 virtual void notifyKey(const NotifyKeyArgs* args) = 0; | |
| 164 virtual void notifyMotion(const NotifyMotionArgs* args) = 0; | |
| 165 virtual void notifySwitch(const NotifySwitchArgs* args) = 0; | |
| 166 virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args) = 0; | |
| 167 }; | |
| 168 | |
| 169 | |
| 170 /* | |
| 171 * An implementation of the listener interface that queues up and defers dispatch | |
| 172 * of decoded events until flushed. | |
| 173 */ | |
| 174 class QueuedInputListener : public InputListenerInterface { | |
| 175 protected: | |
| 176 virtual ~QueuedInputListener(); | |
| 177 | |
| 178 public: | |
| 179 QueuedInputListener(const sp<InputListenerInterface>& innerListener); | |
| 180 | |
| 181 virtual void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args); | |
| 182 virtual void notifyKey(const NotifyKeyArgs* args); | |
| 183 virtual void notifyMotion(const NotifyMotionArgs* args); | |
| 184 virtual void notifySwitch(const NotifySwitchArgs* args); | |
| 185 virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args); | |
| 186 | |
| 187 void flush(); | |
| 188 | |
| 189 private: | |
| 190 sp<InputListenerInterface> mInnerListener; | |
| 191 Vector<NotifyArgs*> mArgsQueue; | |
| 192 }; | |
| 193 | |
| 194 } // namespace android | |
| 195 | |
| 196 #endif // _UI_INPUT_LISTENER_H |
