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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/common/media/cdm_messages.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/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(
RenderViewHost* render_view_host)
: WebContentsObserver(WebContents::FromRenderViewHost(render_view_host)) {
}
MediaWebContentsObserver::~MediaWebContentsObserver() {
}
void MediaWebContentsObserver::RenderFrameDeleted(
RenderFrameHost* render_frame_host) {
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
#if defined(OS_ANDROID)
media_player_managers_.erase(key);
#endif
cdm_managers_.erase(key);
}
bool MediaWebContentsObserver::OnMessageReceived(
const IPC::Message& msg,
RenderFrameHost* render_frame_host) {
#if defined(OS_ANDROID)
// Handles MediaPlayer messages first because MediaPlayers messages are much
// more frequent than CDM messages.
if (OnMediaPlayerMessageReceived(msg, render_frame_host))
return true;
if (OnMediaPlayerSetCdmMessageReceived(msg, render_frame_host))
return true;
#endif // defined(OS_ANDROID)
if (OnCdmMessageReceived(msg, render_frame_host))
return true;
return false;
}
bool MediaWebContentsObserver::OnCdmMessageReceived(
const IPC::Message& msg,
RenderFrameHost* render_frame_host) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(MediaWebContentsObserver, msg)
IPC_MESSAGE_FORWARD(CdmHostMsg_InitializeCdm,
GetCdmManager(render_frame_host),
BrowserCdmManager::OnInitializeCdm)
IPC_MESSAGE_FORWARD(CdmHostMsg_CreateSession,
GetCdmManager(render_frame_host),
BrowserCdmManager::OnCreateSession)
IPC_MESSAGE_FORWARD(CdmHostMsg_UpdateSession,
GetCdmManager(render_frame_host),
BrowserCdmManager::OnUpdateSession)
IPC_MESSAGE_FORWARD(CdmHostMsg_ReleaseSession,
GetCdmManager(render_frame_host),
BrowserCdmManager::OnReleaseSession)
IPC_MESSAGE_FORWARD(CdmHostMsg_DestroyCdm,
GetCdmManager(render_frame_host),
BrowserCdmManager::OnDestroyCdm)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
BrowserCdmManager* MediaWebContentsObserver::GetCdmManager(
RenderFrameHost* render_frame_host) {
uintptr_t key = reinterpret_cast<uintptr_t>(render_frame_host);
if (!cdm_managers_.contains(key)) {
cdm_managers_.set(
key, make_scoped_ptr(BrowserCdmManager::Create(render_frame_host)));
}
return cdm_managers_.get(key);
}
#if defined(OS_ANDROID)
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)
#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;
}
media::BrowserCdm* cdm = GetCdmManager(render_frame_host)->GetCdm(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)));
}
return media_player_managers_.get(key);
}
void MediaWebContentsObserver::PauseVideo() {
for (MediaPlayerManagerMap::iterator iter = media_player_managers_.begin();
iter != media_player_managers_.end(); ++iter) {
BrowserMediaPlayerManager* manager = iter->second;
manager->PauseVideo();
}
}
#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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