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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/media/media_web_contents_observer.h"
#include "base/memory/scoped_ptr.h"
#include "base/stl_util.h"
#include "content/browser/media/cdm/browser_cdm_manager.h"
#include "content/browser/renderer_host/render_process_host_impl.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "ipc/ipc_message_macros.h"
#if defined(OS_ANDROID)
#include "content/browser/android/media_players_observer.h"
#include "content/browser/media/android/browser_media_player_manager.h"
#include "content/common/media/media_player_messages_android.h"
#include "media/base/android/media_player_android.h"
#endif // defined(OS_ANDROID)
namespace content {
MediaWebContentsObserver::MediaWebContentsObserver(
WebContents* web_contents)
: WebContentsObserver(web_contents)
{
}
MediaWebContentsObserver::~MediaWebContentsObserver() {
}
void MediaWebContentsObserver::RenderFrameDeleted(
RenderFrameHost* render_frame_host) {
#if defined(OS_ANDROID)
uintptr_t key = reinterpret_cast<uintptr_t>(render_frame_host);
// Always destroy the media players before CDMs because we do not support
// detaching CDMs from media players yet. See http://crbug.com/330324
media_player_managers_.erase(key);
MediaPlayersObserver* audio_observer = GetMediaPlayersObserver();
if (audio_observer)
audio_observer->RenderFrameDeleted(render_frame_host);
#endif
// TODO(xhwang): Currently MediaWebContentsObserver, BrowserMediaPlayerManager
// and BrowserCdmManager all run on browser UI thread. So this call is okay.
// In the future we need to support the case where MediaWebContentsObserver
// get notified on browser UI thread, but BrowserMediaPlayerManager and
// BrowserCdmManager run on a different thread.
BrowserCdmManager* browser_cdm_manager =
BrowserCdmManager::FromProcess(render_frame_host->GetProcess()->GetID());
if (browser_cdm_manager)
browser_cdm_manager->RenderFrameDeleted(render_frame_host->GetRoutingID());
}
#if defined(OS_ANDROID)
bool MediaWebContentsObserver::OnMessageReceived(
const IPC::Message& msg,
RenderFrameHost* render_frame_host) {
if (OnMediaPlayerMessageReceived(msg, render_frame_host))
return true;
if (OnMediaPlayerSetCdmMessageReceived(msg, render_frame_host))
return true;
return false;
}
bool MediaWebContentsObserver::OnMediaPlayerMessageReceived(
const IPC::Message& msg,
RenderFrameHost* render_frame_host) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(MediaWebContentsObserver, msg)
IPC_MESSAGE_FORWARD(MediaPlayerHostMsg_EnterFullscreen,
GetMediaPlayerManager(render_frame_host),
BrowserMediaPlayerManager::OnEnterFullscreen)
IPC_MESSAGE_FORWARD(MediaPlayerHostMsg_ExitFullscreen,
GetMediaPlayerManager(render_frame_host),
BrowserMediaPlayerManager::OnExitFullscreen)
IPC_MESSAGE_FORWARD(MediaPlayerHostMsg_Initialize,
GetMediaPlayerManager(render_frame_host),
BrowserMediaPlayerManager::OnInitialize)
IPC_MESSAGE_FORWARD(MediaPlayerHostMsg_Start,
GetMediaPlayerManager(render_frame_host),
BrowserMediaPlayerManager::OnStart)
IPC_MESSAGE_FORWARD(MediaPlayerHostMsg_Seek,
GetMediaPlayerManager(render_frame_host),
BrowserMediaPlayerManager::OnSeek)
IPC_MESSAGE_FORWARD(MediaPlayerHostMsg_Pause,
GetMediaPlayerManager(render_frame_host),
BrowserMediaPlayerManager::OnPause)
IPC_MESSAGE_FORWARD(MediaPlayerHostMsg_SetVolume,
GetMediaPlayerManager(render_frame_host),
BrowserMediaPlayerManager::OnSetVolume)
IPC_MESSAGE_FORWARD(MediaPlayerHostMsg_SetPoster,
GetMediaPlayerManager(render_frame_host),
BrowserMediaPlayerManager::OnSetPoster)
IPC_MESSAGE_FORWARD(MediaPlayerHostMsg_Release,
GetMediaPlayerManager(render_frame_host),
BrowserMediaPlayerManager::OnReleaseResources)
IPC_MESSAGE_FORWARD(MediaPlayerHostMsg_DestroyMediaPlayer,
GetMediaPlayerManager(render_frame_host),
BrowserMediaPlayerManager::OnDestroyPlayer)
IPC_MESSAGE_FORWARD(MediaPlayerHostMsg_RequestRemotePlayback,
GetMediaPlayerManager(render_frame_host),
BrowserMediaPlayerManager::OnRequestRemotePlayback)
IPC_MESSAGE_FORWARD(
MediaPlayerHostMsg_RequestRemotePlaybackControl,
GetMediaPlayerManager(render_frame_host),
BrowserMediaPlayerManager::OnRequestRemotePlaybackControl)
#if defined(VIDEO_HOLE)
IPC_MESSAGE_FORWARD(MediaPlayerHostMsg_NotifyExternalSurface,
GetMediaPlayerManager(render_frame_host),
BrowserMediaPlayerManager::OnNotifyExternalSurface)
#endif // defined(VIDEO_HOLE)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
bool MediaWebContentsObserver::OnMediaPlayerSetCdmMessageReceived(
const IPC::Message& msg,
RenderFrameHost* render_frame_host) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP_WITH_PARAM(
MediaWebContentsObserver, msg, render_frame_host)
IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_SetCdm, OnSetCdm)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void MediaWebContentsObserver::OnSetCdm(RenderFrameHost* render_frame_host,
int player_id,
int cdm_id) {
media::MediaPlayerAndroid* media_player =
GetMediaPlayerManager(render_frame_host)->GetPlayer(player_id);
if (!media_player) {
NOTREACHED() << "OnSetCdm: MediaPlayer not found for " << player_id;
return;
}
// MediaPlayerAndroid runs on the same thread as BrowserCdmManager.
BrowserCdmManager* browser_cdm_manager =
BrowserCdmManager::FromProcess(render_frame_host->GetProcess()->GetID());
if (!browser_cdm_manager) {
NOTREACHED() << "OnSetCdm: CDM not found for " << cdm_id;
return;
}
media::BrowserCdm* cdm =
browser_cdm_manager->GetCdm(render_frame_host->GetRoutingID(), cdm_id);
if (!cdm) {
NOTREACHED() << "OnSetCdm: CDM not found for " << cdm_id;
return;
}
// TODO(xhwang): This could possibly fail. In that case we should reject the
// promise.
media_player->SetCdm(cdm);
}
BrowserMediaPlayerManager* MediaWebContentsObserver::GetMediaPlayerManager(
RenderFrameHost* render_frame_host) {
uintptr_t key = reinterpret_cast<uintptr_t>(render_frame_host);
if (!media_player_managers_.contains(key)) {
media_player_managers_.set(
key,
make_scoped_ptr(BrowserMediaPlayerManager::Create(
render_frame_host, GetMediaPlayersObserver())));
}
return media_player_managers_.get(key);
}
MediaPlayersObserver*
MediaWebContentsObserver::GetMediaPlayersObserver() const {
AudioStateProvider* provider =
static_cast<WebContentsImpl*>(web_contents())->audio_state_provider();
MediaPlayersObserver* audio_observer =
static_cast<MediaPlayersObserver*>(provider);
DCHECK(audio_observer);
return audio_observer;
}
#if defined(VIDEO_HOLE)
void MediaWebContentsObserver::OnFrameInfoUpdated() {
for (MediaPlayerManagerMap::iterator iter = media_player_managers_.begin();
iter != media_player_managers_.end(); ++iter) {
BrowserMediaPlayerManager* manager = iter->second;
manager->OnFrameInfoUpdated();
}
}
#endif // defined(VIDEO_HOLE)
#endif // defined(OS_ANDROID)
} // namespace content
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