最終更新:2017-08-14 (月) 01:57:35 (2447d)  

InputMapper
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class InputMapper {
public:
    InputMapper(InputDevice* device);
    virtual ~InputMapper();

    inline InputDevice* getDevice() { return mDevice; }
    inline int32_t getDeviceId() { return mDevice->getId(); }
    inline const String8 getDeviceName() { return mDevice->getName(); }
    inline InputReaderContext* getContext() { return mContext; }
    inline InputReaderPolicyInterface* getPolicy() { return mContext->getPolicy(); }
    inline InputListenerInterface* getListener() { return mContext->getListener(); }
    inline EventHubInterface* getEventHub() { return mContext->getEventHub(); }

    virtual uint32_t getSources() = 0;
    virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo);
    virtual void dump(String8& dump);
    virtual void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes);
    virtual void reset(nsecs_t when);
    virtual void process(const RawEvent* rawEvent) = 0;
    virtual void timeoutExpired(nsecs_t when);

    virtual int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode);
    virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
    virtual int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode);
    virtual bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
            const int32_t* keyCodes, uint8_t* outFlags);

    virtual int32_t getMetaState();

    virtual void fadePointer();

protected:
    InputDevice* mDevice;
    InputReaderContext* mContext;

    status_t getAbsoluteAxisInfo(int32_t axis, RawAbsoluteAxisInfo* axisInfo);

    static void dumpRawAbsoluteAxisInfo(String8& dump,
            const RawAbsoluteAxisInfo& axis, const char* name);
};
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