Media Remoting: Draw remoting interstitial on poster image.

media/remoting/remoting_renderer_controller.cc

Index: media/remoting/remoting_renderer_controller.cc
diff --git a/media/remoting/remoting_renderer_controller.cc b/media/remoting/remoting_renderer_controller.cc
index 5f0d37eacdbc7a5939d49d5b0941e7077d07da8f..90c39cc429081fcdd5786a002b030582c34b5d56 100644
--- a/media/remoting/remoting_renderer_controller.cc
+++ b/media/remoting/remoting_renderer_controller.cc
@@ -73,6 +73,15 @@ void RemotingRendererController::OnSetCdm(CdmContext* cdm_context) {
   UpdateAndMaybeSwitch();
 }
 
+void RemotingRendererController::OnSetPoster(const GURL& poster_url) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+
+  if (poster_url != poster_url_) {
+    poster_url_ = poster_url;
+    UpdateAndMaybeShowInterstitial();
+  }
+}
+
 void RemotingRendererController::SetSwitchRendererCallback(
     const base::Closure& cb) {
   DCHECK(thread_checker_.CalledOnValidThread());
@@ -243,4 +252,35 @@ void RemotingRendererController::UpdateAndMaybeSwitch() {
   }
 }
 
+void RemotingRendererController::SetDownloadPosterCallback(
+    const DownloadPosterCallback& cb) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  DCHECK(download_poster_cb_.is_null());
+  download_poster_cb_ = cb;
+}
+
+void RemotingRendererController::UpdateAndMaybeShowInterstitial() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  if (pipeline_metadata_.natural_size.IsEmpty())
+    return;
+
+  DCHECK(remote_rendering_started_);
+  if (poster_url_.is_empty() || download_poster_cb_.is_null()) {
+    // TODO(xjz): Draw interstitial on a black image and show it.
+    // https://codereview.chromium.org/2566223005/
+  } else {
+    download_poster_cb_.Run(
+        poster_url_,
+        base::Bind(&RemotingRendererController::PosterImageDownloaded,
+                   weak_factory_.GetWeakPtr()));
+  }
+}
+
+void RemotingRendererController::PosterImageDownloaded(const SkBitmap& image) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  DCHECK(remote_rendering_started_);
+  // TODO(xjz): Draw interstitial on |image| and show it.
+  // https://codereview.chromium.org/2566223005/
+}
+
 }  // namespace media