chrome/browser/ui/views/extensions/browser_action_drag_data.h

   1 // Copyright (c) 2011 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_UI_VIEWS_EXTENSIONS_BROWSER_ACTION_DRAG_DATA_H_
   6 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_BROWSER_ACTION_DRAG_DATA_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11
  12 #if defined(TOOLKIT_VIEWS)
  13 #include "ui/base/dragdrop/os_exchange_data.h"
  14 #endif
  15
  16 class Profile;
  17
  18 namespace base {
  19 class Pickle;
  20 }
  21
  22 class BrowserActionDragData {
  23  public:
  24   BrowserActionDragData();
  25   BrowserActionDragData(const std::string& id, int index);
  26
  27   // These mirror the views::View and views::MenuDelegate methods for dropping,
  28   // and return the appropriate results for being able to drop an extension's
  29   // BrowserAction view.
  30   static bool GetDropFormats(
  31       std::set<ui::OSExchangeData::CustomFormat>* custom_formats);
  32   static bool AreDropTypesRequired();
  33   static bool CanDrop(const ui::OSExchangeData& data, const Profile* profile);
  34
  35   const std::string& id() const { return id_; }
  36
  37   size_t index() const { return index_; }
  38
  39   // Returns true if this data is from the specified profile.
  40   bool IsFromProfile(const Profile* profile) const;
  41
  42 #if defined(TOOLKIT_VIEWS)
  43   void Write(Profile* profile, ui::OSExchangeData* data) const;
  44
  45   // Restores this data from the clipboard, returning true on success.
  46   bool Read(const ui::OSExchangeData& data);
  47
  48   // Returns the Custom Format this class supports (for Browser Actions).
  49   static const ui::OSExchangeData::CustomFormat& GetBrowserActionCustomFormat();
  50 #endif
  51
  52  private:
  53   void WriteToPickle(Profile* profile, base::Pickle* pickle) const;
  54   bool ReadFromPickle(base::Pickle* pickle);
  55
  56   // The profile we originated from.
  57   void* profile_;
  58
  59   // The id of the view being dragged.
  60   std::string id_;
  61
  62   // The index of the view being dragged.
  63   size_t index_;
  64
  65   DISALLOW_COPY_AND_ASSIGN(BrowserActionDragData);
  66 };
  67
  68 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_BROWSER_ACTION_DRAG_DATA_H_