1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/gonk/libui/InputListener.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,196 @@
1.4 +/*
1.5 + * Copyright (C) 2011 The Android Open Source Project
1.6 + *
1.7 + * Licensed under the Apache License, Version 2.0 (the "License");
1.8 + * you may not use this file except in compliance with the License.
1.9 + * You may obtain a copy of the License at
1.10 + *
1.11 + * http://www.apache.org/licenses/LICENSE-2.0
1.12 + *
1.13 + * Unless required by applicable law or agreed to in writing, software
1.14 + * distributed under the License is distributed on an "AS IS" BASIS,
1.15 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1.16 + * See the License for the specific language governing permissions and
1.17 + * limitations under the License.
1.18 + */
1.19 +
1.20 +#ifndef _UI_INPUT_LISTENER_H
1.21 +#define _UI_INPUT_LISTENER_H
1.22 +
1.23 +#include "Input.h"
1.24 +#include <utils/RefBase.h>
1.25 +#include <utils/Vector.h>
1.26 +
1.27 +namespace android {
1.28 +
1.29 +class InputListenerInterface;
1.30 +
1.31 +
1.32 +/* Superclass of all input event argument objects */
1.33 +struct NotifyArgs {
1.34 + virtual ~NotifyArgs() { }
1.35 +
1.36 + virtual void notify(const sp<InputListenerInterface>& listener) const = 0;
1.37 +};
1.38 +
1.39 +
1.40 +/* Describes a configuration change event. */
1.41 +struct NotifyConfigurationChangedArgs : public NotifyArgs {
1.42 + nsecs_t eventTime;
1.43 +
1.44 + inline NotifyConfigurationChangedArgs() { }
1.45 +
1.46 + NotifyConfigurationChangedArgs(nsecs_t eventTime);
1.47 +
1.48 + NotifyConfigurationChangedArgs(const NotifyConfigurationChangedArgs& other);
1.49 +
1.50 + virtual ~NotifyConfigurationChangedArgs() { }
1.51 +
1.52 + virtual void notify(const sp<InputListenerInterface>& listener) const;
1.53 +};
1.54 +
1.55 +
1.56 +/* Describes a key event. */
1.57 +struct NotifyKeyArgs : public NotifyArgs {
1.58 + nsecs_t eventTime;
1.59 + int32_t deviceId;
1.60 + uint32_t source;
1.61 + uint32_t policyFlags;
1.62 + int32_t action;
1.63 + int32_t flags;
1.64 + int32_t keyCode;
1.65 + int32_t scanCode;
1.66 + int32_t metaState;
1.67 + nsecs_t downTime;
1.68 +
1.69 + inline NotifyKeyArgs() { }
1.70 +
1.71 + NotifyKeyArgs(nsecs_t eventTime, int32_t deviceId, uint32_t source, uint32_t policyFlags,
1.72 + int32_t action, int32_t flags, int32_t keyCode, int32_t scanCode,
1.73 + int32_t metaState, nsecs_t downTime);
1.74 +
1.75 + NotifyKeyArgs(const NotifyKeyArgs& other);
1.76 +
1.77 + virtual ~NotifyKeyArgs() { }
1.78 +
1.79 + virtual void notify(const sp<InputListenerInterface>& listener) const;
1.80 +};
1.81 +
1.82 +
1.83 +/* Describes a motion event. */
1.84 +struct NotifyMotionArgs : public NotifyArgs {
1.85 + nsecs_t eventTime;
1.86 + int32_t deviceId;
1.87 + uint32_t source;
1.88 + uint32_t policyFlags;
1.89 + int32_t action;
1.90 + int32_t flags;
1.91 + int32_t metaState;
1.92 + int32_t buttonState;
1.93 + int32_t edgeFlags;
1.94 + int32_t displayId;
1.95 + uint32_t pointerCount;
1.96 + PointerProperties pointerProperties[MAX_POINTERS];
1.97 + PointerCoords pointerCoords[MAX_POINTERS];
1.98 + float xPrecision;
1.99 + float yPrecision;
1.100 + nsecs_t downTime;
1.101 +
1.102 + inline NotifyMotionArgs() { }
1.103 +
1.104 + NotifyMotionArgs(nsecs_t eventTime, int32_t deviceId, uint32_t source, uint32_t policyFlags,
1.105 + int32_t action, int32_t flags, int32_t metaState, int32_t buttonState,
1.106 + int32_t edgeFlags, int32_t displayId, uint32_t pointerCount,
1.107 + const PointerProperties* pointerProperties, const PointerCoords* pointerCoords,
1.108 + float xPrecision, float yPrecision, nsecs_t downTime);
1.109 +
1.110 + NotifyMotionArgs(const NotifyMotionArgs& other);
1.111 +
1.112 + virtual ~NotifyMotionArgs() { }
1.113 +
1.114 + virtual void notify(const sp<InputListenerInterface>& listener) const;
1.115 +};
1.116 +
1.117 +
1.118 +/* Describes a switch event. */
1.119 +struct NotifySwitchArgs : public NotifyArgs {
1.120 + nsecs_t eventTime;
1.121 + uint32_t policyFlags;
1.122 + uint32_t switchValues;
1.123 + uint32_t switchMask;
1.124 +
1.125 + inline NotifySwitchArgs() { }
1.126 +
1.127 + NotifySwitchArgs(nsecs_t eventTime, uint32_t policyFlags,
1.128 + uint32_t switchValues, uint32_t switchMask);
1.129 +
1.130 + NotifySwitchArgs(const NotifySwitchArgs& other);
1.131 +
1.132 + virtual ~NotifySwitchArgs() { }
1.133 +
1.134 + virtual void notify(const sp<InputListenerInterface>& listener) const;
1.135 +};
1.136 +
1.137 +
1.138 +/* Describes a device reset event, such as when a device is added,
1.139 + * reconfigured, or removed. */
1.140 +struct NotifyDeviceResetArgs : public NotifyArgs {
1.141 + nsecs_t eventTime;
1.142 + int32_t deviceId;
1.143 +
1.144 + inline NotifyDeviceResetArgs() { }
1.145 +
1.146 + NotifyDeviceResetArgs(nsecs_t eventTime, int32_t deviceId);
1.147 +
1.148 + NotifyDeviceResetArgs(const NotifyDeviceResetArgs& other);
1.149 +
1.150 + virtual ~NotifyDeviceResetArgs() { }
1.151 +
1.152 + virtual void notify(const sp<InputListenerInterface>& listener) const;
1.153 +};
1.154 +
1.155 +
1.156 +/*
1.157 + * The interface used by the InputReader to notify the InputListener about input events.
1.158 + */
1.159 +class InputListenerInterface : public virtual RefBase {
1.160 +protected:
1.161 + InputListenerInterface() { }
1.162 + virtual ~InputListenerInterface() { }
1.163 +
1.164 +public:
1.165 + virtual void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) = 0;
1.166 + virtual void notifyKey(const NotifyKeyArgs* args) = 0;
1.167 + virtual void notifyMotion(const NotifyMotionArgs* args) = 0;
1.168 + virtual void notifySwitch(const NotifySwitchArgs* args) = 0;
1.169 + virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args) = 0;
1.170 +};
1.171 +
1.172 +
1.173 +/*
1.174 + * An implementation of the listener interface that queues up and defers dispatch
1.175 + * of decoded events until flushed.
1.176 + */
1.177 +class QueuedInputListener : public InputListenerInterface {
1.178 +protected:
1.179 + virtual ~QueuedInputListener();
1.180 +
1.181 +public:
1.182 + QueuedInputListener(const sp<InputListenerInterface>& innerListener);
1.183 +
1.184 + virtual void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args);
1.185 + virtual void notifyKey(const NotifyKeyArgs* args);
1.186 + virtual void notifyMotion(const NotifyMotionArgs* args);
1.187 + virtual void notifySwitch(const NotifySwitchArgs* args);
1.188 + virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args);
1.189 +
1.190 + void flush();
1.191 +
1.192 +private:
1.193 + sp<InputListenerInterface> mInnerListener;
1.194 + Vector<NotifyArgs*> mArgsQueue;
1.195 +};
1.196 +
1.197 +} // namespace android
1.198 +
1.199 +#endif // _UI_INPUT_LISTENER_H
