Add choreographer API to the NDK.
Change-Id: Icb8cffd3cd3bd06814466be72db3e26f6a62cbc6
diff --git a/include/androidfw/DisplayEventDispatcher.h b/include/androidfw/DisplayEventDispatcher.h
new file mode 100644
index 0000000..3ade215
--- /dev/null
+++ b/include/androidfw/DisplayEventDispatcher.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+#include <gui/DisplayEventReceiver.h>
+#include <utils/Log.h>
+#include <utils/Looper.h>
+
+namespace android {
+
+class DisplayEventDispatcher : public LooperCallback {
+public:
+ DisplayEventDispatcher(const sp<Looper>& looper);
+
+ status_t initialize();
+ void dispose();
+ status_t scheduleVsync();
+
+protected:
+ virtual ~DisplayEventDispatcher() = default;
+
+private:
+ sp<Looper> mLooper;
+ DisplayEventReceiver mReceiver;
+ bool mWaitingForVsync;
+
+ virtual void dispatchVsync(nsecs_t timestamp, int32_t id, uint32_t count) = 0;
+ virtual void dispatchHotplug(nsecs_t timestamp, int32_t id, bool connected) = 0;
+
+ virtual int handleEvent(int receiveFd, int events, void* data);
+ bool processPendingEvents(nsecs_t* outTimestamp, int32_t* id, uint32_t* outCount);
+};
+}