linux_aura: Implement dropping in chrome.

ui/base/dragdrop/os_exchange_data_provider_aura.h

-// 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 "googleurl/src/gurl.h"
-#include "ui/base/dragdrop/os_exchange_data.h"
-#include "ui/gfx/image/image_skia.h"
-#include "ui/gfx/vector2d.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 void SetString(const string16& data) OVERRIDE;
-  virtual void SetURL(const GURL& url, const string16& title) OVERRIDE;
-  virtual void SetFilename(const base::FilePath& path) OVERRIDE;
-  virtual void SetFilenames(
-      const std::vector<OSExchangeData::FileInfo>& filenames) OVERRIDE;
-  virtual void SetPickledData(OSExchangeData::CustomFormat format,
-                              const Pickle& data) OVERRIDE;
-  virtual bool GetString(string16* data) const OVERRIDE;
-  virtual bool GetURLAndTitle(GURL* url, 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(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(
-      OSExchangeData::CustomFormat format) const OVERRIDE;
-#if defined(OS_WIN)
-  virtual void SetFileContents(const base::FilePath& filename,
-                               const std::string& file_contents) OVERRIDE;
-  virtual bool GetFileContents(base::FilePath* filename,
-                               std::string* file_contents) const OVERRIDE;
-  virtual bool HasFileContents() const OVERRIDE;
-  virtual void SetDownloadFileInfo(
-      const OSExchangeData::DownloadFileInfo& download) OVERRIDE;
-#endif
-
-  virtual void SetHtml(const string16& html, const GURL& base_url) OVERRIDE;
-  virtual bool GetHtml(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.
-  string16 string_;
-
-  // URL contents.
-  GURL url_;
-  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
-  string16 html_;
-  GURL base_url_;
-
-  DISALLOW_COPY_AND_ASSIGN(OSExchangeDataProviderAura);
-};
-
-}  // namespace ui
-
-#endif  // UI_BASE_DRAGDROP_OS_EXCHANGE_DATA_PROVIDER_AURA_H_