| // 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_message_filter.h" |
| |
| #include "base/supports_user_data.h" |
| #include "content/browser/browser_plugin/browser_plugin_guest.h" |
| #include "content/browser/browser_plugin/browser_plugin_guest_manager.h" |
| #include "content/browser/web_contents/web_contents_impl.h" |
| #include "content/common/browser_plugin/browser_plugin_constants.h" |
| #include "content/common/browser_plugin/browser_plugin_messages.h" |
| #include "content/common/view_messages.h" |
| #include "content/public/browser/browser_context.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "content/public/browser/render_view_host.h" |
| |
| namespace content { |
| |
| BrowserPluginMessageFilter::BrowserPluginMessageFilter(int render_process_id, |
| bool is_guest) |
| : render_process_id_(render_process_id), |
| is_guest_(is_guest) { |
| } |
| |
| BrowserPluginMessageFilter::~BrowserPluginMessageFilter() { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
| } |
| |
| bool BrowserPluginMessageFilter::OnMessageReceived( |
| const IPC::Message& message, |
| bool* message_was_ok) { |
| // Any message requested by a BrowserPluginGuest should be routed through |
| // a BrowserPluginGuestManager. |
| if (BrowserPluginGuest::ShouldForwardToBrowserPluginGuest(message)) { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| BrowserPluginGuestManager* guest_manager = GetBrowserPluginGuestManager(); |
| if (guest_manager) |
| guest_manager->OnMessageReceived(message, render_process_id_); |
| // We always swallow messages destined for BrowserPluginGuestManager because |
| // we're on the UI thread and fallback code is expected to be run on the IO |
| // thread. |
| return true; |
| } |
| return false; |
| } |
| |
| void BrowserPluginMessageFilter::OnDestruct() const { |
| BrowserThread::DeleteOnIOThread::Destruct(this); |
| } |
| |
| void BrowserPluginMessageFilter::OverrideThreadForMessage( |
| const IPC::Message& message, BrowserThread::ID* thread) { |
| if (BrowserPluginGuest::ShouldForwardToBrowserPluginGuest(message)) |
| *thread = BrowserThread::UI; |
| } |
| |
| BrowserPluginGuestManager* |
| BrowserPluginMessageFilter::GetBrowserPluginGuestManager() { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| RenderProcessHostImpl* host = static_cast<RenderProcessHostImpl*>( |
| RenderProcessHost::FromID(render_process_id_)); |
| if (!host) |
| return NULL; |
| |
| BrowserContext* browser_context = host->GetBrowserContext(); |
| return static_cast<BrowserPluginGuestManager*>( |
| browser_context->GetUserData( |
| browser_plugin::kBrowserPluginGuestManagerKeyName)); |
| } |
| |
| } // namespace content |