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 #ifndef CHROME_RENDERER_EXTENSIONS_TAB_FINDER_H_ 6 #define CHROME_RENDERER_EXTENSIONS_TAB_FINDER_H_ 7 8 #include "base/basictypes.h" 9 #include "base/compiler_specific.h" 10 #include "content/public/renderer/render_view_visitor.h" 11 12 namespace content { 13 class RenderView; 14 } 15 16 namespace extensions { 17 18 // Finds the top RenderView associated with a tab ID. 19 class TabFinder : public content::RenderViewVisitor { 20 public: 21 // Returns the top RenderView with |tab_id|, or NULL if none is found. 22 static content::RenderView* Find(int tab_id); 23 24 private: 25 explicit TabFinder(int tab_id); 26 virtual ~TabFinder(); 27 28 // content::RenderViewVisitor implementation. 29 virtual bool Visit(content::RenderView* render_view) OVERRIDE; 30 31 int tab_id_; 32 content::RenderView* view_; 33 34 DISALLOW_COPY_AND_ASSIGN(TabFinder); 35 }; 36 37 } // namespace extensions 38 39 #endif // CHROME_RENDERER_EXTENSIONS_TAB_FINDER_H_ 40