1 files changed, 233 insertions, 0 deletions
diff --git a/native/android/input.cpp b/native/android/input.cpp
new file mode 100644
index 0000000..38d8567
--- /dev/null
+++ b/native/android/input.cpp
@@ -0,0 +1,233 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "input"
+#include <utils/Log.h>
+
+#include <android/input.h>
+#include <ui/Input.h>
+#include <ui/InputTransport.h>
+
+#include <poll.h>
+
+using android::InputEvent;
+using android::KeyEvent;
+using android::MotionEvent;
+
+int32_t input_event_get_type(const input_event_t* event) {
+    return static_cast<const InputEvent*>(event)->getType();
+}
+
+int32_t input_event_get_device_id(const input_event_t* event) {
+    return static_cast<const InputEvent*>(event)->getDeviceId();
+}
+
+int32_t input_event_get_nature(const input_event_t* event) {
+    return static_cast<const InputEvent*>(event)->getNature();
+}
+
+int32_t key_event_get_action(const input_event_t* key_event) {
+    return static_cast<const KeyEvent*>(key_event)->getAction();
+}
+
+int32_t key_event_get_flags(const input_event_t* key_event) {
+    return static_cast<const KeyEvent*>(key_event)->getFlags();
+}
+
+int32_t key_event_get_key_code(const input_event_t* key_event) {
+    return static_cast<const KeyEvent*>(key_event)->getKeyCode();
+}
+
+int32_t key_event_get_scan_code(const input_event_t* key_event) {
+    return static_cast<const KeyEvent*>(key_event)->getScanCode();
+}
+
+int32_t key_event_get_meta_state(const input_event_t* key_event) {
+    return static_cast<const KeyEvent*>(key_event)->getMetaState();
+}
+int32_t key_event_get_repeat_count(const input_event_t* key_event) {
+    return static_cast<const KeyEvent*>(key_event)->getRepeatCount();
+}
+
+int64_t key_event_get_down_time(const input_event_t* key_event) {
+    return static_cast<const KeyEvent*>(key_event)->getDownTime();
+}
+
+int64_t key_event_get_event_time(const input_event_t* key_event) {
+    return static_cast<const KeyEvent*>(key_event)->getEventTime();
+}
+
+int32_t motion_event_get_action(const input_event_t* motion_event) {
+    return static_cast<const MotionEvent*>(motion_event)->getAction();
+}
+
+int32_t motion_event_get_meta_state(const input_event_t* motion_event) {
+    return static_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 static_cast<const MotionEvent*>(motion_event)->getDownTime();
+}
+
+int64_t motion_event_get_event_time(const input_event_t* motion_event) {
+    return static_cast<const MotionEvent*>(motion_event)->getEventTime();
+}
+
+float motion_event_get_x_offset(const input_event_t* motion_event) {
+    return static_cast<const MotionEvent*>(motion_event)->getXOffset();
+}
+
+float motion_event_get_y_offset(const input_event_t* motion_event) {
+    return static_cast<const MotionEvent*>(motion_event)->getYOffset();
+}
+
+float motion_event_get_x_precision(const input_event_t* motion_event) {
+    return static_cast<const MotionEvent*>(motion_event)->getXPrecision();
+}
+
+float motion_event_get_y_precision(const input_event_t* motion_event) {
+    return static_cast<const MotionEvent*>(motion_event)->getYPrecision();
+}
+
+size_t motion_event_get_pointer_count(const input_event_t* motion_event) {
+    return static_cast<const MotionEvent*>(motion_event)->getPointerCount();
+}
+
+int32_t motion_event_get_pointer_id(const input_event_t* motion_event, size_t pointer_index) {
+    return static_cast<const MotionEvent*>(motion_event)->getPointerId(pointer_index);
+}
+
+float motion_event_get_raw_x(const input_event_t* motion_event, size_t pointer_index) {
+    return static_cast<const MotionEvent*>(motion_event)->getRawX(pointer_index);
+}
+
+float motion_event_get_raw_y(const input_event_t* motion_event, size_t pointer_index) {
+    return static_cast<const MotionEvent*>(motion_event)->getRawY(pointer_index);
+}
+
+float motion_event_get_x(const input_event_t* motion_event, size_t pointer_index) {
+    return static_cast<const MotionEvent*>(motion_event)->getX(pointer_index);
+}
+
+float motion_event_get_y(const input_event_t* motion_event, size_t pointer_index) {
+    return static_cast<const MotionEvent*>(motion_event)->getY(pointer_index);
+}
+
+float motion_event_get_pressure(const input_event_t* motion_event, size_t pointer_index) {
+    return static_cast<const MotionEvent*>(motion_event)->getPressure(pointer_index);
+}
+
+float motion_event_get_size(const input_event_t* motion_event, size_t pointer_index) {
+    return static_cast<const MotionEvent*>(motion_event)->getSize(pointer_index);
+}
+
+size_t motion_event_get_history_size(const input_event_t* motion_event) {
+    return static_cast<const MotionEvent*>(motion_event)->getHistorySize();
+}
+
+int64_t motion_event_get_historical_event_time(input_event_t* motion_event,
+        size_t history_index) {
+    return static_cast<const MotionEvent*>(motion_event)->getHistoricalEventTime(
+            history_index);
+}
+
+float motion_event_get_historical_raw_x(input_event_t* motion_event, size_t pointer_index,
+        size_t history_index) {
+    return static_cast<const MotionEvent*>(motion_event)->getHistoricalRawX(
+            pointer_index, history_index);
+}
+
+float motion_event_get_historical_raw_y(input_event_t* motion_event, size_t pointer_index,
+        size_t history_index) {
+    return static_cast<const MotionEvent*>(motion_event)->getHistoricalRawY(
+            pointer_index, history_index);
+}
+
+float motion_event_get_historical_x(input_event_t* motion_event, size_t pointer_index,
+        size_t history_index) {
+    return static_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 static_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 static_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 static_cast<const MotionEvent*>(motion_event)->getHistoricalSize(
+            pointer_index, history_index);
+}
+
+int input_queue_get_fd(input_queue_t* queue) {
+    return queue->getConsumer().getChannel()->getReceivePipeFd();
+}
+
+int input_queue_has_events(input_queue_t* queue) {
+    struct pollfd pfd;
+    
+    pfd.fd = queue->getConsumer().getChannel()->getReceivePipeFd();
+    pfd.events = POLLIN;
+    pfd.revents = 0;
+    
+    int nfd = poll(&pfd, 1, 0);
+    if (nfd <= 0) return nfd;
+    return pfd.revents == POLLIN ? 1 : -1;
+}
+
+int32_t input_queue_get_event(input_queue_t* queue, input_event_t** outEvent) {
+    *outEvent = NULL;
+    
+    int32_t res = queue->getConsumer().receiveDispatchSignal();
+    if (res != android::OK) {
+        LOGE("channel '%s' ~ Failed to receive dispatch signal.  status=%d",
+                queue->getConsumer().getChannel()->getName().string(), res);
+        return -1;
+    }
+    
+    InputEvent* myEvent = NULL;
+    res = queue->consume(&myEvent);
+    if (res != android::OK) {
+        LOGW("channel '%s' ~ Failed to consume input event.  status=%d",
+                queue->getConsumer().getChannel()->getName().string(), res);
+        queue->getConsumer().sendFinishedSignal();
+        return -1;
+    }
+    
+    *outEvent = myEvent;
+    return 0;
+}
+
+void input_queue_finish_event(input_queue_t* queue, input_event_t* event,
+        int handled) {
+    int32_t res = queue->getConsumer().sendFinishedSignal();
+    if (res != android::OK) {
+        LOGW("Failed to send finished signal on channel '%s'.  status=%d",
+                queue->getConsumer().getChannel()->getName().string(), res);
+    }
+}