apps/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 "apps/app_window_contents.h"
   6
   7 #include <string>
   8 #include <utility>
   9
  10 #include "chrome/browser/chrome_notification_types.h"
  11 #include "chrome/common/extensions/api/app_window.h"
  12 #include "content/public/browser/browser_context.h"
  13 #include "content/public/browser/browser_thread.h"
  14 #include "content/public/browser/render_process_host.h"
  15 #include "content/public/browser/render_view_host.h"
  16 #include "content/public/browser/resource_dispatcher_host.h"
  17 #include "content/public/browser/site_instance.h"
  18 #include "content/public/browser/web_contents.h"
  19 #include "content/public/common/renderer_preferences.h"
  20 #include "extensions/browser/app_window/native_app_window.h"
  21 #include "extensions/common/extension_messages.h"
  22
  23 namespace app_window = extensions::api::app_window;
  24
  25 namespace apps {
  26
  27 AppWindowContentsImpl::AppWindowContentsImpl(AppWindow* host) : host_(host) {}
  28
  29 AppWindowContentsImpl::~AppWindowContentsImpl() {}
  30
  31 void AppWindowContentsImpl::Initialize(content::BrowserContext* context,
  32                                        const GURL& url) {
  33   url_ = url;
  34
  35   extension_function_dispatcher_.reset(
  36       new extensions::ExtensionFunctionDispatcher(context, this));
  37
  38   web_contents_.reset(
  39       content::WebContents::Create(content::WebContents::CreateParams(
  40           context, content::SiteInstance::CreateForURL(context, url_))));
  41
  42   Observe(web_contents_.get());
  43   web_contents_->GetMutableRendererPrefs()->
  44       browser_handles_all_top_level_requests = true;
  45   web_contents_->GetRenderViewHost()->SyncRendererPrefs();
  46 }
  47
  48 void AppWindowContentsImpl::LoadContents(int32 creator_process_id) {
  49   // If the new view is in the same process as the creator, block the created
  50   // RVH from loading anything until the background page has had a chance to
  51   // do any initialization it wants. If it's a different process, the new RVH
  52   // shouldn't communicate with the background page anyway (e.g. sandboxed).
  53   if (web_contents_->GetRenderViewHost()->GetProcess()->GetID() ==
  54       creator_process_id) {
  55     SuspendRenderViewHost(web_contents_->GetRenderViewHost());
  56   } else {
  57     VLOG(1) << "AppWindow created in new process ("
  58             << web_contents_->GetRenderViewHost()->GetProcess()->GetID()
  59             << ") != creator (" << creator_process_id << "). Routing disabled.";
  60   }
  61
  62   web_contents_->GetController().LoadURL(
  63       url_, content::Referrer(), content::PAGE_TRANSITION_LINK,
  64       std::string());
  65 }
  66
  67 void AppWindowContentsImpl::NativeWindowChanged(
  68     extensions::NativeAppWindow* native_app_window) {
  69   base::ListValue args;
  70   base::DictionaryValue* dictionary = new base::DictionaryValue();
  71   args.Append(dictionary);
  72   host_->GetSerializedState(dictionary);
  73
  74   content::RenderViewHost* rvh = web_contents_->GetRenderViewHost();
  75   rvh->Send(new ExtensionMsg_MessageInvoke(rvh->GetRoutingID(),
  76                                            host_->extension_id(),
  77                                            "app.window",
  78                                            "updateAppWindowProperties",
  79                                            args,
  80                                            false));
  81 }
  82
  83 void AppWindowContentsImpl::NativeWindowClosed() {
  84   content::RenderViewHost* rvh = web_contents_->GetRenderViewHost();
  85   rvh->Send(new ExtensionMsg_AppWindowClosed(rvh->GetRoutingID()));
  86 }
  87
  88 void AppWindowContentsImpl::DispatchWindowShownForTests() const {
  89   base::ListValue args;
  90   content::RenderViewHost* rvh = web_contents_->GetRenderViewHost();
  91   rvh->Send(new ExtensionMsg_MessageInvoke(rvh->GetRoutingID(),
  92                                            host_->extension_id(),
  93                                            "app.window",
  94                                            "appWindowShownForTests",
  95                                            args,
  96                                            false));
  97 }
  98
  99 content::WebContents* AppWindowContentsImpl::GetWebContents() const {
 100   return web_contents_.get();
 101 }
 102
 103 bool AppWindowContentsImpl::OnMessageReceived(const IPC::Message& message) {
 104   bool handled = true;
 105   IPC_BEGIN_MESSAGE_MAP(AppWindowContentsImpl, message)
 106     IPC_MESSAGE_HANDLER(ExtensionHostMsg_Request, OnRequest)
 107     IPC_MESSAGE_HANDLER(ExtensionHostMsg_UpdateDraggableRegions,
 108                         UpdateDraggableRegions)
 109     IPC_MESSAGE_UNHANDLED(handled = false)
 110   IPC_END_MESSAGE_MAP()
 111   return handled;
 112 }
 113
 114 extensions::WindowController*
 115 AppWindowContentsImpl::GetExtensionWindowController() const {
 116   return NULL;
 117 }
 118
 119 content::WebContents* AppWindowContentsImpl::GetAssociatedWebContents() const {
 120   return web_contents_.get();
 121 }
 122
 123 void AppWindowContentsImpl::OnRequest(
 124     const ExtensionHostMsg_Request_Params& params) {
 125   extension_function_dispatcher_->Dispatch(
 126       params, web_contents_->GetRenderViewHost());
 127 }
 128
 129 void AppWindowContentsImpl::UpdateDraggableRegions(
 130     const std::vector<extensions::DraggableRegion>& regions) {
 131   host_->UpdateDraggableRegions(regions);
 132 }
 133
 134 void AppWindowContentsImpl::SuspendRenderViewHost(
 135     content::RenderViewHost* rvh) {
 136   DCHECK(rvh);
 137   content::BrowserThread::PostTask(
 138       content::BrowserThread::IO, FROM_HERE,
 139       base::Bind(&content::ResourceDispatcherHost::BlockRequestsForRoute,
 140                  base::Unretained(content::ResourceDispatcherHost::Get()),
 141                  rvh->GetProcess()->GetID(), rvh->GetRoutingID()));
 142 }
 143
 144 }  // namespace apps