components/guest_view/renderer/guest_view_container_dispatcher.cc

   1 // Copyright 2015 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 "components/guest_view/renderer/guest_view_container_dispatcher.h"
   6
   7 #include "components/guest_view/common/guest_view_constants.h"
   8 #include "components/guest_view/renderer/guest_view_container.h"
   9 #include "ipc/ipc_message_macros.h"
  10
  11 namespace guest_view {
  12
  13 GuestViewContainerDispatcher::GuestViewContainerDispatcher() {
  14 }
  15
  16 GuestViewContainerDispatcher::~GuestViewContainerDispatcher() {
  17 }
  18
  19 bool GuestViewContainerDispatcher::HandlesMessage(const IPC::Message& message) {
  20   return IPC_MESSAGE_CLASS(message) == GuestViewMsgStart;
  21 }
  22
  23 bool GuestViewContainerDispatcher::OnControlMessageReceived(
  24     const IPC::Message& message) {
  25   if (!HandlesMessage(message))
  26     return false;
  27
  28   int element_instance_id = kInstanceIDNone;
  29   base::PickleIterator iter(message);
  30   bool success = iter.ReadInt(&element_instance_id);
  31   DCHECK(success);
  32
  33   auto* container = GuestViewContainer::FromID(element_instance_id);
  34   if (!container)
  35     return false;
  36
  37   return container->OnMessageReceived(message);
  38 }
  39
  40 }  // namespace guest_view