text: // Copyright (c) 2012 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef UI_BASE_DRAGDROP_OS_EXCHANGE_DATA_PROVIDER_AURA_H_
  #define UI_BASE_DRAGDROP_OS_EXCHANGE_DATA_PROVIDER_AURA_H_
  
  #include <map>
  
  #include "base/files/file_path.h"
  #include "base/pickle.h"
  #include "ui/base/dragdrop/os_exchange_data.h"
  #include "ui/gfx/image/image_skia.h"
  #include "ui/gfx/vector2d.h"
  #include "url/gurl.h"
  
  namespace ui {
  
  class Clipboard;
  
  // OSExchangeData::Provider implementation for aura on linux.
  class UI_EXPORT OSExchangeDataProviderAura
      : public OSExchangeData::Provider {
   public:
    OSExchangeDataProviderAura();
    virtual ~OSExchangeDataProviderAura();
  
    // Overridden from OSExchangeData::Provider:
    virtual Provider* Clone() const OVERRIDE;
    virtual void SetString(const base::string16& data) OVERRIDE;
    virtual void SetURL(const GURL& url, const base::string16& title) OVERRIDE;
    virtual void SetFilename(const base::FilePath& path) OVERRIDE;
    virtual void SetFilenames(
        const std::vector<OSExchangeData::FileInfo>& filenames) OVERRIDE;
    virtual void SetPickledData(const OSExchangeData::CustomFormat& format,
                                const Pickle& data) OVERRIDE;
    virtual bool GetString(base::string16* data) const OVERRIDE;
    virtual bool GetURLAndTitle(OSExchangeData::FilenameToURLPolicy policy,
                                GURL* url,
                                base::string16* title) const OVERRIDE;
    virtual bool GetFilename(base::FilePath* path) const OVERRIDE;
    virtual bool GetFilenames(
        std::vector<OSExchangeData::FileInfo>* filenames) const OVERRIDE;
    virtual bool GetPickledData(const OSExchangeData::CustomFormat& format,
                                Pickle* data) const OVERRIDE;
    virtual bool HasString() const OVERRIDE;
    virtual bool HasURL() const OVERRIDE;
    virtual bool HasFile() const OVERRIDE;
    virtual bool HasCustomFormat(const OSExchangeData::CustomFormat& format) const
        OVERRIDE;
  
    virtual void SetHtml(const base::string16& html,
                         const GURL& base_url) OVERRIDE;
    virtual bool GetHtml(base::string16* html, GURL* base_url) const OVERRIDE;
    virtual bool HasHtml() const OVERRIDE;
    virtual void SetDragImage(const gfx::ImageSkia& image,
                              const gfx::Vector2d& cursor_offset) OVERRIDE;
    virtual const gfx::ImageSkia& GetDragImage() const OVERRIDE;
    virtual const gfx::Vector2d& GetDragImageOffset() const OVERRIDE;
  
   private:
    typedef std::map<OSExchangeData::CustomFormat, Pickle>  PickleData;
  
    // Returns true if |formats_| contains a string format and the string can be
    // parsed as a URL.
    bool GetPlainTextURL(GURL* url) const;
  
    // Actual formats that have been set. See comment above |known_formats_|
    // for details.
    int formats_;
  
    // String contents.
    base::string16 string_;
  
    // URL contents.
    GURL url_;
    base::string16 title_;
  
    // File name.
    std::vector<OSExchangeData::FileInfo> filenames_;
  
    // PICKLED_DATA contents.
    PickleData pickle_data_;
  
    // Drag image and offset data.
    gfx::ImageSkia drag_image_;
    gfx::Vector2d drag_image_offset_;
  
    // For HTML format
    base::string16 html_;
    GURL base_url_;
  
    DISALLOW_COPY_AND_ASSIGN(OSExchangeDataProviderAura);
  };
  
  }  // namespace ui
  
  #endif  // UI_BASE_DRAGDROP_OS_EXCHANGE_DATA_PROVIDER_AURA_H_
  