ui/base/dragdrop/os_exchange_data_provider_aura.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 UI_BASE_DRAGDROP_OS_EXCHANGE_DATA_PROVIDER_AURA_H_
   6 #define UI_BASE_DRAGDROP_OS_EXCHANGE_DATA_PROVIDER_AURA_H_
   7
   8 #include <map>
   9
  10 #include "base/files/file_path.h"
  11 #include "base/pickle.h"
  12 #include "ui/base/dragdrop/os_exchange_data.h"
  13 #include "ui/gfx/image/image_skia.h"
  14 #include "ui/gfx/vector2d.h"
  15 #include "url/gurl.h"
  16
  17 namespace ui {
  18
  19 class Clipboard;
  20
  21 // OSExchangeData::Provider implementation for aura on linux.
  22 class UI_BASE_EXPORT OSExchangeDataProviderAura
  23     : public OSExchangeData::Provider {
  24  public:
  25   OSExchangeDataProviderAura();
  26   virtual ~OSExchangeDataProviderAura();
  27
  28   // Overridden from OSExchangeData::Provider:
  29   virtual Provider* Clone() const OVERRIDE;
  30   virtual void MarkOriginatedFromRenderer() OVERRIDE;
  31   virtual bool DidOriginateFromRenderer() const OVERRIDE;
  32   virtual void SetString(const base::string16& data) OVERRIDE;
  33   virtual void SetURL(const GURL& url, const base::string16& title) OVERRIDE;
  34   virtual void SetFilename(const base::FilePath& path) OVERRIDE;
  35   virtual void SetFilenames(const std::vector<FileInfo>& filenames) OVERRIDE;
  36   virtual void SetPickledData(const OSExchangeData::CustomFormat& format,
  37                               const Pickle& data) OVERRIDE;
  38   virtual bool GetString(base::string16* data) const OVERRIDE;
  39   virtual bool GetURLAndTitle(OSExchangeData::FilenameToURLPolicy policy,
  40                               GURL* url,
  41                               base::string16* title) const OVERRIDE;
  42   virtual bool GetFilename(base::FilePath* path) const OVERRIDE;
  43   virtual bool GetFilenames(std::vector<FileInfo>* filenames) const OVERRIDE;
  44   virtual bool GetPickledData(const OSExchangeData::CustomFormat& format,
  45                               Pickle* data) const OVERRIDE;
  46   virtual bool HasString() const OVERRIDE;
  47   virtual bool HasURL(OSExchangeData::FilenameToURLPolicy policy) const
  48       OVERRIDE;
  49   virtual bool HasFile() const OVERRIDE;
  50   virtual bool HasCustomFormat(const OSExchangeData::CustomFormat& format) const
  51       OVERRIDE;
  52
  53   virtual void SetHtml(const base::string16& html,
  54                        const GURL& base_url) OVERRIDE;
  55   virtual bool GetHtml(base::string16* html, GURL* base_url) const OVERRIDE;
  56   virtual bool HasHtml() const OVERRIDE;
  57   virtual void SetDragImage(const gfx::ImageSkia& image,
  58                             const gfx::Vector2d& cursor_offset) OVERRIDE;
  59   virtual const gfx::ImageSkia& GetDragImage() const OVERRIDE;
  60   virtual const gfx::Vector2d& GetDragImageOffset() const OVERRIDE;
  61
  62  private:
  63   typedef std::map<OSExchangeData::CustomFormat, Pickle>  PickleData;
  64
  65   // Returns true if |formats_| contains a string format and the string can be
  66   // parsed as a URL.
  67   bool GetPlainTextURL(GURL* url) const;
  68
  69   // Actual formats that have been set. See comment above |known_formats_|
  70   // for details.
  71   int formats_;
  72
  73   // String contents.
  74   base::string16 string_;
  75
  76   // URL contents.
  77   GURL url_;
  78   base::string16 title_;
  79
  80   // File name.
  81   std::vector<FileInfo> filenames_;
  82
  83   // PICKLED_DATA contents.
  84   PickleData pickle_data_;
  85
  86   // Drag image and offset data.
  87   gfx::ImageSkia drag_image_;
  88   gfx::Vector2d drag_image_offset_;
  89
  90   // For HTML format
  91   base::string16 html_;
  92   GURL base_url_;
  93
  94   DISALLOW_COPY_AND_ASSIGN(OSExchangeDataProviderAura);
  95 };
  96
  97 }  // namespace ui
  98
  99 #endif  // UI_BASE_DRAGDROP_OS_EXCHANGE_DATA_PROVIDER_AURA_H_