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//
// Copyright 2010 The Android Open Source Project
//
// Provides a pipe-based transport for native events in the NDK.
//
#define LOG_TAG "Input"
//#define LOG_NDEBUG 0
#include <ui/Input.h>
namespace android {
// class InputEvent
void InputEvent::initialize(int32_t deviceId, int32_t nature) {
mDeviceId = deviceId;
mNature = nature;
}
// class KeyEvent
void KeyEvent::initialize(
int32_t deviceId,
int32_t nature,
int32_t action,
int32_t flags,
int32_t keyCode,
int32_t scanCode,
int32_t metaState,
int32_t repeatCount,
nsecs_t downTime,
nsecs_t eventTime) {
InputEvent::initialize(deviceId, nature);
mAction = action;
mFlags = flags;
mKeyCode = keyCode;
mScanCode = scanCode;
mMetaState = metaState;
mRepeatCount = repeatCount;
mDownTime = downTime;
mEventTime = eventTime;
}
// class MotionEvent
void MotionEvent::initialize(
int32_t deviceId,
int32_t nature,
int32_t action,
int32_t edgeFlags,
int32_t metaState,
float rawX,
float rawY,
float xPrecision,
float yPrecision,
nsecs_t downTime,
nsecs_t eventTime,
size_t pointerCount,
const int32_t* pointerIds,
const PointerCoords* pointerCoords) {
InputEvent::initialize(deviceId, nature);
mAction = action;
mEdgeFlags = edgeFlags;
mMetaState = metaState;
mRawX = rawX;
mRawY = rawY;
mXPrecision = xPrecision;
mYPrecision = yPrecision;
mDownTime = downTime;
mPointerIds.clear();
mPointerIds.appendArray(pointerIds, pointerCount);
mSampleEventTimes.clear();
mSamplePointerCoords.clear();
addSample(eventTime, pointerCoords);
}
void MotionEvent::addSample(
int64_t eventTime,
const PointerCoords* pointerCoords) {
mSampleEventTimes.push(eventTime);
mSamplePointerCoords.appendArray(pointerCoords, getPointerCount());
}
void MotionEvent::offsetLocation(float xOffset, float yOffset) {
if (xOffset != 0 || yOffset != 0) {
for (size_t i = 0; i < mSamplePointerCoords.size(); i++) {
PointerCoords& pointerCoords = mSamplePointerCoords.editItemAt(i);
pointerCoords.x += xOffset;
pointerCoords.y += yOffset;
}
}
}
} // namespace android
// NDK APIs
using android::InputEvent;
using android::KeyEvent;
using android::MotionEvent;
int32_t input_event_get_type(const input_event_t* event) {
return reinterpret_cast<const InputEvent*>(event)->getType();
}
int32_t input_event_get_device_id(const input_event_t* event) {
return reinterpret_cast<const InputEvent*>(event)->getDeviceId();
}
int32_t input_event_get_nature(const input_event_t* event) {
return reinterpret_cast<const InputEvent*>(event)->getNature();
}
int32_t key_event_get_action(const input_event_t* key_event) {
return reinterpret_cast<const KeyEvent*>(key_event)->getAction();
}
int32_t key_event_get_flags(const input_event_t* key_event) {
return reinterpret_cast<const KeyEvent*>(key_event)->getFlags();
}
int32_t key_event_get_key_code(const input_event_t* key_event) {
return reinterpret_cast<const KeyEvent*>(key_event)->getKeyCode();
}
int32_t key_event_get_scan_code(const input_event_t* key_event) {
return reinterpret_cast<const KeyEvent*>(key_event)->getScanCode();
}
int32_t key_event_get_meta_state(const input_event_t* key_event) {
return reinterpret_cast<const KeyEvent*>(key_event)->getMetaState();
}
int32_t key_event_get_repeat_count(const input_event_t* key_event) {
return reinterpret_cast<const KeyEvent*>(key_event)->getRepeatCount();
}
int64_t key_event_get_down_time(const input_event_t* key_event) {
return reinterpret_cast<const KeyEvent*>(key_event)->getDownTime();
}
int64_t key_event_get_event_time(const input_event_t* key_event) {
return reinterpret_cast<const KeyEvent*>(key_event)->getEventTime();
}
int32_t motion_event_get_action(const input_event_t* motion_event) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getAction();
}
int32_t motion_event_get_meta_state(const input_event_t* motion_event) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getMetaState();
}
int32_t motion_event_get_edge_flags(const input_event_t* motion_event) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getEdgeFlags();
}
int64_t motion_event_get_down_time(const input_event_t* motion_event) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getDownTime();
}
int64_t motion_event_get_event_time(const input_event_t* motion_event) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getEventTime();
}
float motion_event_get_x_precision(const input_event_t* motion_event) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getXPrecision();
}
float motion_event_get_y_precision(const input_event_t* motion_event) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getYPrecision();
}
size_t motion_event_get_pointer_count(const input_event_t* motion_event) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getPointerCount();
}
int32_t motion_event_get_pointer_id(const input_event_t* motion_event, size_t pointer_index) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getPointerId(pointer_index);
}
float motion_event_get_raw_x(const input_event_t* motion_event) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getRawX();
}
float motion_event_get_raw_y(const input_event_t* motion_event) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getRawY();
}
float motion_event_get_x(const input_event_t* motion_event, size_t pointer_index) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getX(pointer_index);
}
float motion_event_get_y(const input_event_t* motion_event, size_t pointer_index) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getY(pointer_index);
}
float motion_event_get_pressure(const input_event_t* motion_event, size_t pointer_index) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getPressure(pointer_index);
}
float motion_event_get_size(const input_event_t* motion_event, size_t pointer_index) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getSize(pointer_index);
}
size_t motion_event_get_history_size(const input_event_t* motion_event) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getHistorySize();
}
int64_t motion_event_get_historical_event_time(input_event_t* motion_event,
size_t history_index) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getHistoricalEventTime(
history_index);
}
float motion_event_get_historical_x(input_event_t* motion_event, size_t pointer_index,
size_t history_index) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getHistoricalX(
pointer_index, history_index);
}
float motion_event_get_historical_y(input_event_t* motion_event, size_t pointer_index,
size_t history_index) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getHistoricalY(
pointer_index, history_index);
}
float motion_event_get_historical_pressure(input_event_t* motion_event, size_t pointer_index,
size_t history_index) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getHistoricalPressure(
pointer_index, history_index);
}
float motion_event_get_historical_size(input_event_t* motion_event, size_t pointer_index,
size_t history_index) {
return reinterpret_cast<const MotionEvent*>(motion_event)->getHistoricalSize(
pointer_index, history_index);
}
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