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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/android/browser_surface_texture_manager.h"
#include <android/native_window_jni.h>
#include "base/android/jni_android.h"
#include "content/browser/android/child_process_launcher_android.h"
#include "content/browser/frame_host/render_frame_host_impl.h"
#include "content/browser/gpu/browser_gpu_channel_host_factory.h"
#include "content/browser/media/android/browser_media_player_manager.h"
#include "content/browser/media/media_web_contents_observer.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/render_process_host.h"
#include "media/base/android/media_player_android.h"
#include "ui/gl/android/scoped_java_surface.h"
#include "ui/gl/android/surface_texture.h"
namespace content {
namespace {
// Pass a java surface object to the MediaPlayerAndroid object
// identified by render process handle, render frame ID and player ID.
static void SetSurfacePeer(scoped_refptr<gfx::SurfaceTexture> surface_texture,
base::ProcessHandle render_process_handle,
int render_frame_id,
int player_id) {
int render_process_id = 0;
RenderProcessHost::iterator it = RenderProcessHost::AllHostsIterator();
while (!it.IsAtEnd()) {
if (it.GetCurrentValue()->GetHandle() == render_process_handle) {
render_process_id = it.GetCurrentValue()->GetID();
break;
}
it.Advance();
}
if (!render_process_id) {
DVLOG(1) << "Cannot find render process for render_process_handle "
<< render_process_handle;
return;
}
RenderFrameHostImpl* frame =
RenderFrameHostImpl::FromID(render_process_id, render_frame_id);
if (!frame) {
DVLOG(1) << "Cannot find frame for render_frame_id " << render_frame_id;
return;
}
WebContentsImpl* web_contents =
static_cast<WebContentsImpl*>(WebContents::FromRenderFrameHost(frame));
BrowserMediaPlayerManager* player_manager =
web_contents->media_web_contents_observer()->GetMediaPlayerManager(frame);
if (!player_manager) {
DVLOG(1) << "Cannot find the media player manager for frame " << frame;
return;
}
media::MediaPlayerAndroid* player = player_manager->GetPlayer(player_id);
if (!player) {
DVLOG(1) << "Cannot find media player for player_id " << player_id;
return;
}
if (player != player_manager->GetFullscreenPlayer()) {
gfx::ScopedJavaSurface scoped_surface(surface_texture.get());
player->SetVideoSurface(scoped_surface.Pass());
}
}
} // namespace
BrowserSurfaceTextureManager::BrowserSurfaceTextureManager() {
SurfaceTexturePeer::InitInstance(this);
}
BrowserSurfaceTextureManager::~BrowserSurfaceTextureManager() {
SurfaceTexturePeer::InitInstance(NULL);
}
void BrowserSurfaceTextureManager::RegisterSurfaceTexture(
int surface_texture_id,
int client_id,
gfx::SurfaceTexture* surface_texture) {
content::CreateSurfaceTextureSurface(
surface_texture_id, client_id, surface_texture);
}
void BrowserSurfaceTextureManager::UnregisterSurfaceTexture(
int surface_texture_id,
int client_id) {
content::DestroySurfaceTextureSurface(surface_texture_id, client_id);
}
gfx::AcceleratedWidget
BrowserSurfaceTextureManager::AcquireNativeWidgetForSurfaceTexture(
int surface_texture_id) {
gfx::ScopedJavaSurface surface(
content::GetSurfaceTextureSurface(
surface_texture_id,
BrowserGpuChannelHostFactory::instance()->GetGpuChannelId()));
if (surface.j_surface().is_null())
return NULL;
JNIEnv* env = base::android::AttachCurrentThread();
// Note: This ensures that any local references used by
// ANativeWindow_fromSurface are released immediately. This is needed as a
// workaround for https://code.google.com/p/android/issues/detail?id=68174
base::android::ScopedJavaLocalFrame scoped_local_reference_frame(env);
ANativeWindow* native_window =
ANativeWindow_fromSurface(env, surface.j_surface().obj());
return native_window;
}
void BrowserSurfaceTextureManager::EstablishSurfaceTexturePeer(
base::ProcessHandle render_process_handle,
scoped_refptr<gfx::SurfaceTexture> surface_texture,
int render_frame_id,
int player_id) {
if (!surface_texture.get())
return;
BrowserThread::PostTask(BrowserThread::UI,
FROM_HERE,
base::Bind(&SetSurfacePeer,
surface_texture,
render_process_handle,
render_frame_id,
player_id));
}
} // namespace content
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