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