chrome/renderer/extensions/tab_finder.h

   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   ~TabFinder() override;
  27
  28   // content::RenderViewVisitor implementation.
  29   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_