1 // Copyright (c) 2012 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 "chrome/renderer/extensions/tab_finder.h" 6 7 #include "chrome/renderer/extensions/extension_helper.h" 8 #include "content/public/renderer/render_view.h" 9 #include "third_party/WebKit/public/web/WebFrame.h" 10 #include "third_party/WebKit/public/web/WebView.h" 11 12 using content::RenderView; 13 14 namespace extensions { 15 16 // static Find(int tab_id)17content::RenderView* TabFinder::Find(int tab_id) { 18 TabFinder finder(tab_id); 19 RenderView::ForEach(&finder); 20 return finder.view_; 21 } 22 TabFinder(int tab_id)23TabFinder::TabFinder(int tab_id) : tab_id_(tab_id), view_(NULL) {} 24 ~TabFinder()25TabFinder::~TabFinder() {} 26 27 // Note: Visit returns false to terminate the iteration. Visit(RenderView * render_view)28bool TabFinder::Visit(RenderView* render_view) { 29 // Only interested in the top frame. 30 if (render_view->GetWebView()->mainFrame()->parent()) 31 return true; 32 33 ExtensionHelper* helper = ExtensionHelper::Get(render_view); 34 if (helper && helper->tab_id() == tab_id_) 35 view_ = render_view; 36 37 return !view_; 38 } 39 40 } // namespace extensions 41