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/*
* Copyright (C) 2011 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.
*/
#ifndef VideoListener_h
#define VideoListener_h
#if USE(ACCELERATED_COMPOSITING)
#include <gui/SurfaceTexture.h>
#include <jni.h>
#include <JNIUtility.h>
#include "WebCoreJni.h"
#ifdef DEBUG
#include <cutils/log.h>
#include <wtf/text/CString.h>
#undef XLOG
#define XLOG(...) android_printLog(ANDROID_LOG_DEBUG, "VideoListener", __VA_ARGS__)
#else
#undef XLOG
#define XLOG(...)
#endif // DEBUG
namespace WebCore {
class VideoListener : public android::SurfaceTexture::FrameAvailableListener {
public:
VideoListener(jobject weakWebViewRef)
: m_weakWebViewRef(weakWebViewRef)
, m_postInvalMethod(0)
, m_frameAvailable(false)
{
if (!m_weakWebViewRef)
return;
JNIEnv* env = JSC::Bindings::getJNIEnv();
jobject localWebViewRef = env->NewLocalRef(m_weakWebViewRef);
if (localWebViewRef) {
jclass wvClass = env->GetObjectClass(localWebViewRef);
m_postInvalMethod = env->GetMethodID(wvClass, "postInvalidate", "()V");
env->DeleteLocalRef(wvClass);
env->DeleteLocalRef(localWebViewRef);
}
checkException(env);
}
virtual void onFrameAvailable()
{
JNIEnv* env = JSC::Bindings::getJNIEnv();
jobject localWebViewRef = env->NewLocalRef(m_weakWebViewRef);
if (localWebViewRef) {
env->CallVoidMethod(localWebViewRef, m_postInvalMethod);
env->DeleteLocalRef(localWebViewRef);
}
checkException(env);
if (!m_frameAvailable) {
m_frameAvailable = true;
}
}
void resetFrameAvailable() { m_frameAvailable = false; }
bool isFrameAvailable() { return m_frameAvailable; }
private:
jobject m_weakWebViewRef;
jmethodID m_postInvalMethod;
bool m_frameAvailable;
};
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
#endif // VideoListener_h
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