extensions/browser/app_window/app_window_contents.cc

   1 // Copyright 2013 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/browser/app_window/app_window_contents.h"
   6
   7 #include <string>
   8 #include <utility>
   9
  10 #include "content/public/browser/browser_context.h"
  11 #include "content/public/browser/browser_thread.h"
  12 #include "content/public/browser/render_frame_host.h"
  13 #include "content/public/browser/render_process_host.h"
  14 #include "content/public/browser/render_view_host.h"
  15 #include "content/public/browser/resource_dispatcher_host.h"
  16 #include "content/public/browser/site_instance.h"
  17 #include "content/public/browser/web_contents.h"
  18 #include "content/public/common/renderer_preferences.h"
  19 #include "extensions/browser/app_window/native_app_window.h"
  20 #include "extensions/common/extension_messages.h"
  21
  22 namespace extensions {
  23
  24 AppWindowContentsImpl::AppWindowContentsImpl(AppWindow* host) : host_(host) {}
  25
  26 AppWindowContentsImpl::~AppWindowContentsImpl() {}
  27
  28 void AppWindowContentsImpl::Initialize(content::BrowserContext* context,
  29                                        const GURL& url) {
  30   url_ = url;
  31
  32   web_contents_.reset(
  33       content::WebContents::Create(content::WebContents::CreateParams(
  34           context, content::SiteInstance::CreateForURL(context, url_))));
  35
  36   Observe(web_contents_.get());
  37   web_contents_->GetMutableRendererPrefs()->
  38       browser_handles_all_top_level_requests = true;
  39   web_contents_->GetRenderViewHost()->SyncRendererPrefs();
  40 }
  41
  42 void AppWindowContentsImpl::LoadContents(int32 creator_process_id) {
  43   // If the new view is in the same process as the creator, block the created
  44   // RVH from loading anything until the background page has had a chance to
  45   // do any initialization it wants. If it's a different process, the new RVH
  46   // shouldn't communicate with the background page anyway (e.g. sandboxed).
  47   if (web_contents_->GetMainFrame()->GetProcess()->GetID() ==
  48       creator_process_id) {
  49     SuspendRenderFrameHost(web_contents_->GetMainFrame());
  50   } else {
  51     VLOG(1) << "AppWindow created in new process ("
  52             << web_contents_->GetMainFrame()->GetProcess()->GetID()
  53             << ") != creator (" << creator_process_id << "). Routing disabled.";
  54   }
  55
  56   web_contents_->GetController().LoadURL(
  57       url_, content::Referrer(), ui::PAGE_TRANSITION_LINK,
  58       std::string());
  59 }
  60
  61 void AppWindowContentsImpl::NativeWindowChanged(
  62     NativeAppWindow* native_app_window) {
  63   base::ListValue args;
  64   base::DictionaryValue* dictionary = new base::DictionaryValue();
  65   args.Append(dictionary);
  66   host_->GetSerializedState(dictionary);
  67
  68   content::RenderFrameHost* rfh = web_contents_->GetMainFrame();
  69   rfh->Send(new ExtensionMsg_MessageInvoke(
  70       rfh->GetRoutingID(), host_->extension_id(), "app.window",
  71       "updateAppWindowProperties", args, false));
  72 }
  73
  74 void AppWindowContentsImpl::NativeWindowClosed() {
  75   content::RenderViewHost* rvh = web_contents_->GetRenderViewHost();
  76   rvh->Send(new ExtensionMsg_AppWindowClosed(rvh->GetRoutingID()));
  77 }
  78
  79 void AppWindowContentsImpl::DispatchWindowShownForTests() const {
  80   base::ListValue args;
  81   content::RenderFrameHost* rfh = web_contents_->GetMainFrame();
  82   rfh->Send(new ExtensionMsg_MessageInvoke(
  83       rfh->GetRoutingID(), host_->extension_id(), "app.window",
  84       "appWindowShownForTests", args, false));
  85 }
  86
  87 content::WebContents* AppWindowContentsImpl::GetWebContents() const {
  88   return web_contents_.get();
  89 }
  90
  91 WindowController* AppWindowContentsImpl::GetWindowController() const {
  92   return nullptr;
  93 }
  94
  95 bool AppWindowContentsImpl::OnMessageReceived(const IPC::Message& message) {
  96   bool handled = true;
  97   IPC_BEGIN_MESSAGE_MAP(AppWindowContentsImpl, message)
  98     IPC_MESSAGE_HANDLER(ExtensionHostMsg_UpdateDraggableRegions,
  99                         UpdateDraggableRegions)
 100     IPC_MESSAGE_UNHANDLED(handled = false)
 101   IPC_END_MESSAGE_MAP()
 102   return handled;
 103 }
 104
 105 void AppWindowContentsImpl::UpdateDraggableRegions(
 106     const std::vector<DraggableRegion>& regions) {
 107   host_->UpdateDraggableRegions(regions);
 108 }
 109
 110 void AppWindowContentsImpl::SuspendRenderFrameHost(
 111     content::RenderFrameHost* rfh) {
 112   DCHECK(rfh);
 113   content::BrowserThread::PostTask(
 114       content::BrowserThread::IO, FROM_HERE,
 115       base::Bind(&content::ResourceDispatcherHost::BlockRequestsForRoute,
 116                  base::Unretained(content::ResourceDispatcherHost::Get()),
 117                  rfh->GetProcess()->GetID(), rfh->GetRoutingID()));
 118 }
 119
 120 }  // namespace extensions