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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 MediaListener_h
#define MediaListener_h
#if USE(ACCELERATED_COMPOSITING)
#include <gui/SurfaceTexture.h>
#include <gui/SurfaceTextureClient.h>
#include <jni.h>
#include <JNIUtility.h>
#include "MediaTexture.h"
#include "WebCoreJni.h"
namespace WebCore {
class MediaListener : public android::SurfaceTexture::FrameAvailableListener {
public:
MediaListener(jobject weakWebViewRef,
const sp<android::SurfaceTexture>& surfaceTexture,
const sp<ANativeWindow>& nativeWindow)
: m_weakWebViewRef(weakWebViewRef)
, m_postInvalMethod(0)
, m_frameAvailable(false)
, m_surfaceTexture(surfaceTexture)
, m_nativeWindow(nativeWindow)
, m_framerateCallback(0)
{
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;
}
if (m_framerateCallback)
m_framerateCallback(m_nativeWindow.get(), m_surfaceTexture->getTimestamp());
}
bool isFrameAvailable() { return m_frameAvailable; }
void setFramerateCallback(FramerateCallbackProc callback) { m_framerateCallback = callback; }
private:
jobject m_weakWebViewRef;
jmethodID m_postInvalMethod;
bool m_frameAvailable;
sp<android::SurfaceTexture> m_surfaceTexture;
sp<ANativeWindow> m_nativeWindow;
FramerateCallbackProc m_framerateCallback;
};
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
#endif // MediaListener_h
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