Functions for accessing app window properties, and modifying AppWindow-specifics

chrome/renderer/extensions/app_window_custom_bindings.cc

 // 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 "chrome/renderer/extensions/app_window_custom_bindings.h"
 
 #include <string>
 
 #include "chrome/common/extensions/extension_messages.h"
 #include "chrome/renderer/extensions/chrome_v8_context.h"
@@ skipping 35 matching lines @@
 
  private:
   Dispatcher* dispatcher_;
 };
 
 AppWindowCustomBindings::AppWindowCustomBindings(Dispatcher* dispatcher)
     : ChromeV8Extension(dispatcher) {
   RouteFunction("GetView",
       base::Bind(&AppWindowCustomBindings::GetView,
                  base::Unretained(this)));
+  RouteFunction("GetCurrentRoutingID",
+      base::Bind(&AppWindowCustomBindings::GetCurrentRoutingID,
+                 base::Unretained(this)));
 }
 
 namespace {
 class FindViewByID : public content::RenderViewVisitor {
  public:
   explicit FindViewByID(int route_id) : route_id_(route_id), view_(NULL) {
   }
 
   content::RenderView* view() { return view_; }
 
   // Returns false to terminate the iteration.
   virtual bool Visit(content::RenderView* render_view) {
     if (render_view->GetRoutingID() == route_id_) {
       view_ = render_view;
       return false;
     }
     return true;
   }
 
  private:
   int route_id_;
   content::RenderView* view_;
 };
 }  // namespace
 
+v8::Handle<v8::Value> AppWindowCustomBindings::GetCurrentRoutingID(
+    const v8::Arguments& args) {
+  content::RenderView* render_view = GetCurrentRenderView();
+  if (!render_view)
+    return v8::Undefined();
+  return v8::Integer::New(render_view->GetRoutingID());
+}
+
 v8::Handle<v8::Value> AppWindowCustomBindings::GetView(
     const v8::Arguments& args) {
   // TODO(jeremya): convert this to IDL nocompile to get validation, and turn
   // these argument checks into CHECK().
   if (args.Length() != 2)
     return v8::Undefined();
 
   if (!args[0]->IsInt32())
     return v8::Undefined();
 
@@ skipping 32 matching lines @@
   WebKit::WebFrame* frame = view->GetWebView()->mainFrame();
   frame->setOpener(opener);
   content::RenderThread::Get()->Send(
       new ExtensionHostMsg_ResumeRequests(view->GetRoutingID()));
 
   v8::Local<v8::Value> window = frame->mainWorldScriptContext()->Global();
   return window;
 }
 
 }  // namespace extensions