Implement MediaSession on top of the WebMediaPlayerDelegate.

media/blink/webmediaplayer_cast_android.cc

 // Copyright 2016 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 "media/blink/webmediaplayer_cast_android.h"
 
 #include "gpu/GLES2/gl2extchromium.h"
 #include "gpu/blink/webgraphicscontext3d_impl.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
 #include "gpu/command_buffer/common/sync_token.h"
@@ skipping 159 matching lines @@
       player_manager_->DestroyPlayer(player_id_);
 
     player_manager_->UnregisterMediaPlayer(player_id_);
   }
 }
 
 void WebMediaPlayerCast::Initialize(const GURL& url,
                                     blink::WebLocalFrame* frame) {
   player_manager_->Initialize(MEDIA_PLAYER_TYPE_REMOTE_ONLY, player_id_, url,
                               frame->document().firstPartyForCookies(), 0,
-                              frame->document().url(), true);
+                              frame->document().url(), true, webmediaplayer_);
   is_player_initialized_ = true;
 }
 
 void WebMediaPlayerCast::SetMediaPlayerManager(
     RendererMediaPlayerManagerInterface* media_player_manager) {
   player_manager_ = media_player_manager;
   player_id_ = player_manager_->RegisterMediaPlayer(this);
 }
 
 void WebMediaPlayerCast::requestRemotePlayback() {
   player_manager_->Seek(player_id_, base::TimeDelta::FromSecondsD(
                                         webmediaplayer_->currentTime()));
   player_manager_->RequestRemotePlayback(player_id_);
 }
 
 void WebMediaPlayerCast::requestRemotePlaybackControl() {
   player_manager_->RequestRemotePlaybackControl(player_id_);
 }
 
 void WebMediaPlayerCast::OnMediaMetadataChanged(base::TimeDelta duration,
                                                 int width,
                                                 int height,
-                                                bool success) {}
+                                                bool success) {
+  duration_ = duration;
+}
 
 void WebMediaPlayerCast::OnPlaybackComplete() {
   DVLOG(1) << __FUNCTION__;
   webmediaplayer_->OnRemotePlaybackEnded();
 }
 
 void WebMediaPlayerCast::OnBufferingUpdate(int percentage) {
   DVLOG(1) << __FUNCTION__;
 }
 
@@ skipping 28 matching lines @@
   DVLOG(1) << __FUNCTION__;
 }
 
 void WebMediaPlayerCast::OnConnectedToRemoteDevice(
     const std::string& remote_playback_message) {
   DVLOG(1) << __FUNCTION__;
   remote_time_ = base::TimeDelta::FromSecondsD(webmediaplayer_->currentTime());
   is_remote_ = true;
   initializing_ = true;
   paused_ = false;
-  if (delegate_)
-    delegate_->DidPlay(webmediaplayer_);
+  if (delegate_) {
+    delegate_->DidPlay(webmediaplayer_, hasVideo(), false, is_remote_,
+                       GetDuration());
+  }
   client_->playbackStateChanged();
 
   remote_playback_message_ = remote_playback_message;
   webmediaplayer_->SuspendForRemote();
   client_->connectedToRemoteDevice();
 }
 
 double WebMediaPlayerCast::currentTime() const {
   base::TimeDelta ret = remote_time_;
   if (!paused_ && !initializing_) {
     ret += base::TimeTicks::Now() - remote_time_at_;
   }
   return ret.InSecondsF();
 }
 
 void WebMediaPlayerCast::play() {
   if (!paused_)
     return;
 
   player_manager_->Start(player_id_);
   remote_time_at_ = base::TimeTicks::Now();
   paused_ = false;
-  if (delegate_)
-    delegate_->DidPlay(webmediaplayer_);
+  if (delegate_) {
+    delegate_->DidPlay(webmediaplayer_, hasVideo(), false, is_remote_,
+                       GetDuration());
+  }
 }
 
 void WebMediaPlayerCast::pause() {
   player_manager_->Pause(player_id_, true);
 }
 
 void WebMediaPlayerCast::seek(base::TimeDelta t) {
   should_notify_time_changed_ = true;
   player_manager_->Seek(player_id_, t);
 }
 
 void WebMediaPlayerCast::OnDisconnectedFromRemoteDevice() {
   DVLOG(1) << __FUNCTION__;
   if (!paused_) {
     paused_ = true;
     if (delegate_)
-      delegate_->DidPause(webmediaplayer_);
+      delegate_->DidPause(webmediaplayer_, false);
   }
   is_remote_ = false;
   double t = currentTime();
   if (t + media::kTimeUpdateInterval * 2 / 1000 > webmediaplayer_->duration()) {
     t = webmediaplayer_->duration();
   }
   webmediaplayer_->OnDisconnectedFromRemoteDevice(t);
 }
 
 void WebMediaPlayerCast::OnDidExitFullscreen() {
   DVLOG(1) << __FUNCTION__;
 }
 
 void WebMediaPlayerCast::OnMediaPlayerPlay() {
   DVLOG(1) << __FUNCTION__ << " is_remote_ = " << is_remote_;
   initializing_ = false;
   if (is_remote_ && paused_) {
     paused_ = false;
-    if (paused_)
-      delegate_->DidPlay(webmediaplayer_);
+    if (delegate_) {
+      delegate_->DidPlay(webmediaplayer_, hasVideo(), false, is_remote_,
+                         GetDuration());
+    }
     remote_time_at_ = base::TimeTicks::Now();
     client_->playbackStateChanged();
   }
   // Blink expects a timeChanged() in response to a seek().
   if (should_notify_time_changed_)
     client_->timeChanged();
 }
 
 void WebMediaPlayerCast::OnMediaPlayerPause() {
   DVLOG(1) << __FUNCTION__ << " is_remote_ = " << is_remote_;
   if (is_remote_ && !paused_) {
     paused_ = true;
     if (delegate_)
-      delegate_->DidPause(webmediaplayer_);
+      delegate_->DidPause(webmediaplayer_, false);
     client_->playbackStateChanged();
   }
 }
 
 void WebMediaPlayerCast::OnRemoteRouteAvailabilityChanged(
     bool routes_available) {
   DVLOG(1) << __FUNCTION__;
   client_->remoteRouteAvailabilityChanged(routes_available);
 }
 
@@ skipping 39 matching lines @@
       static_cast<int>(video_size_css_px.height() * device_scale_factor_));
 
   if (!canvas_size.width())
     return nullptr;
 
   return MakeTextFrameForCast(remote_playback_message_, canvas_size,
                               webmediaplayer_->naturalSize(),
                               base::Bind(&GLCBShim, context_3d_cb_));
 }
 
+base::TimeDelta WebMediaPlayerCast::GetDuration() {
+  const double duration = webmediaplayer_->duration();
+  if (duration == std::numeric_limits<double>::infinity())
+    return kInfiniteDuration();
+
+  return std::max(duration_, base::TimeDelta::FromSecondsD(duration));
+}
+
 }  // namespace media