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 SetString(const base::string16& data) OVERRIDE;
  31   virtual void SetURL(const GURL& url, const base::string16& title) OVERRIDE;
  32   virtual void SetFilename(const base::FilePath& path) OVERRIDE;
  33   virtual void SetFilenames(
  34       const std::vector<OSExchangeData::FileInfo>& filenames) OVERRIDE;
  35   virtual void SetPickledData(const OSExchangeData::CustomFormat& format,
  36                               const Pickle& data) OVERRIDE;
  37   virtual bool GetString(base::string16* data) const OVERRIDE;
  38   virtual bool GetURLAndTitle(GURL* url, base::string16* title) const OVERRIDE;
  39   virtual bool GetFilename(base::FilePath* path) const OVERRIDE;
  40   virtual bool GetFilenames(
  41       std::vector<OSExchangeData::FileInfo>* filenames) const OVERRIDE;
  42   virtual bool GetPickledData(const OSExchangeData::CustomFormat& format,
  43                               Pickle* data) const OVERRIDE;
  44   virtual bool HasString() const OVERRIDE;
  45   virtual bool HasURL() const OVERRIDE;
  46   virtual bool HasFile() const OVERRIDE;
  47   virtual bool HasCustomFormat(const OSExchangeData::CustomFormat& format) const
  48       OVERRIDE;
  49
  50   virtual void SetHtml(const base::string16& html,
  51                        const GURL& base_url) OVERRIDE;
  52   virtual bool GetHtml(base::string16* html, GURL* base_url) const OVERRIDE;
  53   virtual bool HasHtml() const OVERRIDE;
  54   virtual void SetDragImage(const gfx::ImageSkia& image,
  55                             const gfx::Vector2d& cursor_offset) OVERRIDE;
  56   virtual const gfx::ImageSkia& GetDragImage() const OVERRIDE;
  57   virtual const gfx::Vector2d& GetDragImageOffset() const OVERRIDE;
  58
  59  private:
  60   typedef std::map<OSExchangeData::CustomFormat, Pickle>  PickleData;
  61
  62   // Returns true if |formats_| contains a string format and the string can be
  63   // parsed as a URL.
  64   bool GetPlainTextURL(GURL* url) const;
  65
  66   // Actual formats that have been set. See comment above |known_formats_|
  67   // for details.
  68   int formats_;
  69
  70   // String contents.
  71   base::string16 string_;
  72
  73   // URL contents.
  74   GURL url_;
  75   base::string16 title_;
  76
  77   // File name.
  78   std::vector<OSExchangeData::FileInfo> filenames_;
  79
  80   // PICKLED_DATA contents.
  81   PickleData pickle_data_;
  82
  83   // Drag image and offset data.
  84   gfx::ImageSkia drag_image_;
  85   gfx::Vector2d drag_image_offset_;
  86
  87   // For HTML format
  88   base::string16 html_;
  89   GURL base_url_;
  90
  91   DISALLOW_COPY_AND_ASSIGN(OSExchangeDataProviderAura);
  92 };
  93
  94 }  // namespace ui
  95
  96 #endif  // UI_BASE_DRAGDROP_OS_EXCHANGE_DATA_PROVIDER_AURA_H_