3D Compositing in <browser>, first draft.

content/browser/browser_plugin/browser_plugin_host.cc

 // Copyright (c) 2012 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/browser_plugin/browser_plugin_host.h"
 
 #include "content/browser/browser_plugin/browser_plugin_host_helper.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/common/browser_plugin_messages.h"
@@ skipping 18 matching lines @@
       damage_buffer_(NULL),
       pending_update_counter_(0) {
   // Listen to visibility changes so that an embedder hides its guests
   // as well.
   registrar_.Add(this,
                  NOTIFICATION_WEB_CONTENTS_VISIBILITY_CHANGED,
                  Source<WebContents>(web_contents));
   // Construct plumbing helpers when a new RenderViewHost is created for
   // this BrowserPluginHost's WebContentsImpl.
   registrar_.Add(this,
-                 NOTIFICATION_RENDER_VIEW_HOST_CREATED_FOR_TAB,
+                 NOTIFICATION_WILL_CREATE_RENDER_VIEW,
                  Source<WebContents>(web_contents));
 }
 
 BrowserPluginHost::~BrowserPluginHost() {
   if (damage_buffer_)
     delete damage_buffer_;
 }
 
 BrowserPluginHost* BrowserPluginHost::GetGuestByContainerID(int container_id) {
   ContainerInstanceMap::const_iterator it =
@@ skipping 18 matching lines @@
 }
 
 bool BrowserPluginHost::OnMessageReceived(const IPC::Message& message) {
   return false;
 }
 
 void BrowserPluginHost::NavigateGuestFromEmbedder(
     RenderViewHost* render_view_host,
     int container_instance_id,
     long long frame_id,
-    const std::string& src) {
+    const std::string& src,
+    const BrowserPluginHostMsg_Surface_Params& params) {
   BrowserPluginHost* guest =
       GetGuestByContainerID(container_instance_id);
   WebContentsImpl* guest_web_contents =
       guest ?
           static_cast<WebContentsImpl*>(guest->web_contents()): NULL;
   GURL url(src);
   if (!guest) {
     std::string host = render_view_host->GetSiteInstance()->GetSite().host();
     GURL guest_url(
         base::StringPrintf("%s://%s", chrome::kGuestScheme, host.c_str()));
     // The SiteInstance of a given guest is based on the fact that it's a guest
     // in addition to which platform application the guest belongs to, rather
     // than the URL that the guest is being navigated to.
     SiteInstance* guest_site_instance =
         SiteInstance::CreateForURL(web_contents()->GetBrowserContext(),
         guest_url);
     guest_web_contents =
         static_cast<WebContentsImpl*>(
             WebContents::Create(
                 web_contents()->GetBrowserContext(),
                 guest_site_instance,
                 MSG_ROUTING_NONE,
                 NULL, // base WebContents
                 NULL  // session storage namespace
             ));
     guest = guest_web_contents->browser_plugin_host();
+    guest->set_surface_params(params);
     guest->set_embedder_render_process_host(
         render_view_host->GetProcess());
     guest->set_instance_id(container_instance_id);
     RegisterContainerInstance(container_instance_id, guest);
     AddGuest(guest_web_contents, frame_id);
   }
   guest->web_contents()->SetDelegate(guest);
   guest->web_contents()->GetController().LoadURL(
       url,
       Referrer(),
@@ skipping 102 matching lines @@
                                                           handled);
   embedder_render_process_host()->Send(reply_message);
 }
 
 void BrowserPluginHost::SetFocus(bool focused) {
   RenderViewHost* render_view_host = web_contents()->GetRenderViewHost();
   render_view_host->Send(
       new ViewMsg_SetFocus(render_view_host->GetRoutingID(), focused));
 }
 
+void BrowserPluginHost::SendBuffersSwappedToEmbedder(uint64 surface_handle, const BrowserPlugin_SwapInfo& info) {
+  DCHECK(embedder_render_process_host());
+  embedder_render_process_host()->Send(
+      new BrowserPluginMsg_BuffersSwapped(instance_id_, surface_handle, info));
+}
+
+
 void BrowserPluginHost::AddGuest(WebContentsImpl* guest, int64 frame_id) {
   guests_[guest] = frame_id;
 }
 
 void BrowserPluginHost::RemoveGuest(WebContentsImpl* guest) {
   guests_.erase(guest);
 }
 
 void BrowserPluginHost::DestroyGuests() {
   for (GuestMap::const_iterator it = guests_.begin();
@@ skipping 40 matching lines @@
     embedder_render_process_host()->Send(
         new BrowserPluginMsg_GuestCrashed(instance_id()));
   }
 }
 
 void BrowserPluginHost::Observe(
     int type,
     const NotificationSource& source,
     const NotificationDetails& details) {
   switch (type) {
-    case NOTIFICATION_RENDER_VIEW_HOST_CREATED_FOR_TAB: {
+    case NOTIFICATION_WILL_CREATE_RENDER_VIEW: {
       RenderViewHost* render_view_host =
           Details<RenderViewHost>(details).ptr();
       // BrowserPluginHostHelper is destroyed when its associated RenderViewHost
       // is destroyed.
-      new BrowserPluginHostHelper(this, render_view_host);
+      new BrowserPluginHostHelper(this, render_view_host, surface_params_);
       break;
     }
     case NOTIFICATION_WEB_CONTENTS_VISIBILITY_CHANGED: {
       bool visible = *Details<bool>(details).ptr();
       // If the embedder is hidden we need to hide the guests as well.
       for (GuestMap::const_iterator it = guests_.begin();
           it != guests_.end(); ++it) {
         WebContentsImpl* web_contents = it->first;
         if (visible)
           web_contents->WasRestored();
         else
           web_contents->WasHidden();
       }
       break;
     }
     default:
       NOTREACHED() << "Unexpected notification type: " << type;
   }
 }
 
 }  // namespace browser_plugin
 }  // namespace content