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 "content/public/renderer/render_view_visitor.h"
   9 #include "extensions/common/constants.h"
  10 #include "extensions/common/extension_messages.h"
  11 #include "extensions/common/permissions/permissions_data.h"
  12 #include "extensions/common/url_pattern_set.h"
  13 #include "extensions/renderer/api/automation/automation_api_helper.h"
  14 #include "extensions/renderer/console.h"
  15 #include "extensions/renderer/dispatcher.h"
  16 #include "third_party/WebKit/public/platform/WebURLRequest.h"
  17 #include "third_party/WebKit/public/web/WebConsoleMessage.h"
  18 #include "third_party/WebKit/public/web/WebDocument.h"
  19 #include "third_party/WebKit/public/web/WebLocalFrame.h"
  20 #include "third_party/WebKit/public/web/WebView.h"
  21
  22 using content::ConsoleMessageLevel;
  23 using blink::WebConsoleMessage;
  24 using blink::WebDataSource;
  25 using blink::WebFrame;
  26 using blink::WebLocalFrame;
  27 using blink::WebURLRequest;
  28 using blink::WebView;
  29
  30 namespace extensions {
  31
  32 ExtensionHelper::ExtensionHelper(content::RenderView* render_view,
  33                                  Dispatcher* dispatcher)
  34     : content::RenderViewObserver(render_view),
  35       content::RenderViewObserverTracker<ExtensionHelper>(render_view),
  36       dispatcher_(dispatcher) {
  37   // Lifecycle managed by RenderViewObserver.
  38   new AutomationApiHelper(render_view);
  39 }
  40
  41 ExtensionHelper::~ExtensionHelper() {
  42 }
  43
  44 bool ExtensionHelper::OnMessageReceived(const IPC::Message& message) {
  45   bool handled = true;
  46   IPC_BEGIN_MESSAGE_MAP(ExtensionHelper, message)
  47     IPC_MESSAGE_HANDLER(ExtensionMsg_SetFrameName, OnSetFrameName)
  48     IPC_MESSAGE_HANDLER(ExtensionMsg_AppWindowClosed,
  49                         OnAppWindowClosed)
  50     IPC_MESSAGE_UNHANDLED(handled = false)
  51   IPC_END_MESSAGE_MAP()
  52   return handled;
  53 }
  54
  55 void ExtensionHelper::DidCreateDocumentElement(WebLocalFrame* frame) {
  56   dispatcher_->DidCreateDocumentElement(frame);
  57 }
  58
  59 void ExtensionHelper::DraggableRegionsChanged(blink::WebFrame* frame) {
  60   blink::WebVector<blink::WebDraggableRegion> webregions =
  61       frame->document().draggableRegions();
  62   std::vector<DraggableRegion> regions;
  63   for (size_t i = 0; i < webregions.size(); ++i) {
  64     DraggableRegion region;
  65     region.bounds = webregions[i].bounds;
  66     region.draggable = webregions[i].draggable;
  67     regions.push_back(region);
  68   }
  69   Send(new ExtensionHostMsg_UpdateDraggableRegions(routing_id(), regions));
  70 }
  71
  72 void ExtensionHelper::DidMatchCSS(
  73     blink::WebLocalFrame* frame,
  74     const blink::WebVector<blink::WebString>& newly_matching_selectors,
  75     const blink::WebVector<blink::WebString>& stopped_matching_selectors) {
  76   dispatcher_->DidMatchCSS(
  77       frame, newly_matching_selectors, stopped_matching_selectors);
  78 }
  79
  80 void ExtensionHelper::OnSetFrameName(const std::string& name) {
  81   blink::WebView* web_view = render_view()->GetWebView();
  82   if (web_view)
  83     web_view->mainFrame()->setName(blink::WebString::fromUTF8(name));
  84 }
  85
  86 void ExtensionHelper::OnAppWindowClosed() {
  87   v8::HandleScope scope(v8::Isolate::GetCurrent());
  88   v8::Local<v8::Context> v8_context =
  89       render_view()->GetWebView()->mainFrame()->mainWorldScriptContext();
  90   ScriptContext* script_context =
  91       dispatcher_->script_context_set().GetByV8Context(v8_context);
  92   if (!script_context)
  93     return;
  94   script_context->module_system()->CallModuleMethod("app.window",
  95                                                     "onAppWindowClosed");
  96 }
  97
  98 }  // namespace extensions