chrome/browser/extensions/window_controller_list.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_BROWSER_EXTENSIONS_WINDOW_CONTROLLER_LIST_H_
   6 #define CHROME_BROWSER_EXTENSIONS_WINDOW_CONTROLLER_LIST_H_
   7
   8 #include <list>
   9
  10 #include "base/compiler_specific.h"
  11 #include "base/memory/singleton.h"
  12 #include "base/observer_list.h"
  13 #include "chrome/browser/extensions/window_controller.h"
  14
  15 class Profile;
  16 class UIThreadExtensionFunction;
  17
  18 namespace extensions {
  19
  20 class WindowControllerListObserver;
  21
  22 // Class to maintain a list of WindowControllers.
  23 class WindowControllerList {
  24  public:
  25   typedef std::list<WindowController*> ControllerList;
  26
  27   WindowControllerList();
  28   ~WindowControllerList();
  29
  30   void AddExtensionWindow(WindowController* window);
  31   void RemoveExtensionWindow(WindowController* window);
  32
  33   void AddObserver(WindowControllerListObserver* observer);
  34   void RemoveObserver(WindowControllerListObserver* observer);
  35
  36   // Returns a window matching |id|.
  37   WindowController* FindWindowById(int id) const;
  38
  39   // Returns a window matching |id| using |filter|.
  40   WindowController* FindWindowByIdWithFilter(
  41       int id,
  42       WindowController::TypeFilter filter) const;
  43
  44   // Returns a window matching the context the function was invoked in
  45   // using |filter|.
  46   WindowController* FindWindowForFunctionByIdWithFilter(
  47       const UIThreadExtensionFunction* function,
  48       int id,
  49       WindowController::TypeFilter filter) const;
  50
  51   // Returns the focused or last added window matching the context the function
  52   // was invoked in.
  53   WindowController* CurrentWindowForFunction(
  54       const UIThreadExtensionFunction* function) const;
  55
  56   // Returns the focused or last added window matching the context the function
  57   // was invoked in using |filter|.
  58   WindowController* CurrentWindowForFunctionWithFilter(
  59       const UIThreadExtensionFunction* function,
  60       WindowController::TypeFilter filter) const;
  61
  62   const ControllerList& windows() const { return windows_; }
  63
  64   static WindowControllerList* GetInstance();
  65
  66  private:
  67   friend struct base::DefaultSingletonTraits<WindowControllerList>;
  68
  69   // Entries are not owned by this class and must be removed when destroyed.
  70   ControllerList windows_;
  71
  72   base::ObserverList<WindowControllerListObserver> observers_;
  73
  74   DISALLOW_COPY_AND_ASSIGN(WindowControllerList);
  75 };
  76
  77 }  // namespace extensions
  78
  79 #endif  // CHROME_BROWSER_EXTENSIONS_WINDOW_CONTROLLER_LIST_H_