extensions/renderer/extension_helper.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/extension_helper.h"
   6
   7 #include "content/public/renderer/render_view.h"
   8 #include "extensions/common/constants.h"
   9 #include "extensions/common/extension_messages.h"
  10 #include "extensions/common/permissions/permissions_data.h"
  11 #include "extensions/common/url_pattern_set.h"
  12 #include "extensions/renderer/api/automation/automation_api_helper.h"
  13 #include "extensions/renderer/dispatcher.h"
  14 #include "third_party/WebKit/public/platform/WebURLRequest.h"
  15 #include "third_party/WebKit/public/web/WebDocument.h"
  16 #include "third_party/WebKit/public/web/WebView.h"
  17
  18 namespace extensions {
  19
  20 ExtensionHelper::ExtensionHelper(content::RenderView* render_view,
  21                                  Dispatcher* dispatcher)
  22     : content::RenderViewObserver(render_view),
  23       dispatcher_(dispatcher) {
  24   // Lifecycle managed by RenderViewObserver.
  25   new AutomationApiHelper(render_view);
  26 }
  27
  28 ExtensionHelper::~ExtensionHelper() {
  29 }
  30
  31 bool ExtensionHelper::OnMessageReceived(const IPC::Message& message) {
  32   bool handled = true;
  33   IPC_BEGIN_MESSAGE_MAP(ExtensionHelper, message)
  34     IPC_MESSAGE_HANDLER(ExtensionMsg_SetFrameName, OnSetFrameName)
  35     IPC_MESSAGE_HANDLER(ExtensionMsg_AppWindowClosed,
  36                         OnAppWindowClosed)
  37     IPC_MESSAGE_UNHANDLED(handled = false)
  38   IPC_END_MESSAGE_MAP()
  39   return handled;
  40 }
  41
  42 void ExtensionHelper::DraggableRegionsChanged(blink::WebFrame* frame) {
  43   blink::WebVector<blink::WebDraggableRegion> webregions =
  44       frame->document().draggableRegions();
  45   std::vector<DraggableRegion> regions;
  46   for (size_t i = 0; i < webregions.size(); ++i) {
  47     DraggableRegion region;
  48     region.bounds = webregions[i].bounds;
  49     region.draggable = webregions[i].draggable;
  50     regions.push_back(region);
  51   }
  52   Send(new ExtensionHostMsg_UpdateDraggableRegions(routing_id(), regions));
  53 }
  54
  55 void ExtensionHelper::OnSetFrameName(const std::string& name) {
  56   blink::WebView* web_view = render_view()->GetWebView();
  57   if (web_view)
  58     web_view->mainFrame()->setName(blink::WebString::fromUTF8(name));
  59 }
  60
  61 void ExtensionHelper::OnAppWindowClosed() {
  62   v8::HandleScope scope(v8::Isolate::GetCurrent());
  63   v8::Local<v8::Context> v8_context =
  64       render_view()->GetWebView()->mainFrame()->mainWorldScriptContext();
  65   ScriptContext* script_context =
  66       dispatcher_->script_context_set().GetByV8Context(v8_context);
  67   if (!script_context)
  68     return;
  69   script_context->module_system()->CallModuleMethod("app.window",
  70                                                     "onAppWindowClosed");
  71 }
  72
  73 }  // namespace extensions