src/extensions/renderer/guest_view/guest_view_container.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "extensions/renderer/guest_view/guest_view_container.h"
   6
   7 #include "content/public/renderer/render_frame.h"
   8 #include "content/public/renderer/render_view.h"
   9 #include "extensions/common/guest_view/guest_view_constants.h"
  10
  11 namespace extensions {
  12
  13 GuestViewContainer::GuestViewContainer(content::RenderFrame* render_frame)
  14     : content::RenderFrameObserver(render_frame),
  15       element_instance_id_(guestview::kInstanceIDNone),
  16       render_view_routing_id_(render_frame->GetRenderView()->GetRoutingID()) {
  17 }
  18
  19 GuestViewContainer::~GuestViewContainer() {}
  20
  21 void GuestViewContainer::SetElementInstanceID(int element_instance_id) {
  22   DCHECK_EQ(element_instance_id_, guestview::kInstanceIDNone);
  23   element_instance_id_ = element_instance_id;
  24 }
  25
  26 void GuestViewContainer::OnDestruct() {
  27   // GuestViewContainer's lifetime is managed by BrowserPlugin so don't let
  28   // RenderFrameObserver self-destruct here.
  29 }
  30
  31 bool GuestViewContainer::OnMessageReceived(
  32     const IPC::Message& message) {
  33   if (!HandlesMessage(message))
  34     return false;
  35
  36   DCHECK_NE(element_instance_id_, guestview::kInstanceIDNone);
  37   int element_instance_id = guestview::kInstanceIDNone;
  38   PickleIterator iter(message);
  39   bool success = iter.ReadInt(&element_instance_id);
  40   DCHECK(success);
  41   if (element_instance_id != element_instance_id_)
  42     return false;
  43
  44   return OnMessage(message);
  45 }
  46
  47 }  // namespace extensions