最終更新:2013-09-26 (木) 15:38:07 (3837d)
InputReaderInterface
Top / InputReaderInterface
/* Processes raw input events and sends cooked event data to an input listener. */ class InputReaderInterface : public virtual RefBase { protected: InputReaderInterface() { } virtual ~InputReaderInterface() { } public: /* Dumps the state of the input reader. * * This method may be called on any thread (usually by the input manager). */ virtual void dump(String8& dump) = 0; /* Called by the heatbeat to ensures that the reader has not deadlocked. */ virtual void monitor() = 0; /* Runs a single iteration of the processing loop. * Nominally reads and processes one incoming message from the EventHub. * * This method should be called on the input reader thread. */ virtual void loopOnce() = 0; /* Gets the current input device configuration. * * This method may be called on any thread (usually by the input manager). */ virtual void getInputConfiguration(InputConfiguration* outConfiguration) = 0; /* Gets information about the specified input device. * Returns OK if the device information was obtained or NAME_NOT_FOUND if there * was no such device. * * This method may be called on any thread (usually by the input manager). */ virtual status_t getInputDeviceInfo(int32_t deviceId, InputDeviceInfo* outDeviceInfo) = 0; /* Gets the list of all registered device ids. */ virtual void getInputDeviceIds(Vector<int32_t>& outDeviceIds) = 0; /* Query current input state. */ virtual int32_t getScanCodeState(int32_t deviceId, uint32_t sourceMask, int32_t scanCode) = 0; virtual int32_t getKeyCodeState(int32_t deviceId, uint32_t sourceMask, int32_t keyCode) = 0; virtual int32_t getSwitchState(int32_t deviceId, uint32_t sourceMask, int32_t sw) = 0; /* Determine whether physical keys exist for the given framework-domain key codes. */ virtual bool hasKeys(int32_t deviceId, uint32_t sourceMask, size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) = 0; /* Requests that a reconfiguration of all input devices. * The changes flag is a bitfield that indicates what has changed and whether * the input devices must all be reopened. */ virtual void requestRefreshConfiguration(uint32_t changes) = 0; };