It is time.

ui/base/dragdrop/os_exchange_data_provider_win.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_WIN_H_
-#define UI_BASE_DRAGDROP_OS_EXCHANGE_DATA_PROVIDER_WIN_H_
-
-#include <objidl.h>
-#include <shlobj.h>
-#include <string>
-#include <vector>
-
-// Win8 SDK compatibility, see http://goo.gl/fufvl for more information.
-// "Note: This interface has been renamed IDataObjectAsyncCapability."
-// If we're building on pre-8 we define it to its old name. It's documented as
-// being binary compatible.
-#ifndef __IDataObjectAsyncCapability_FWD_DEFINED__
-#define IDataObjectAsyncCapability IAsyncOperation
-#endif
-
-#include "base/memory/scoped_vector.h"
-#include "base/win/scoped_comptr.h"
-#include "ui/base/dragdrop/os_exchange_data.h"
-#include "ui/base/ui_base_export.h"
-#include "ui/gfx/image/image_skia.h"
-#include "ui/gfx/vector2d.h"
-
-namespace ui {
-
-class DataObjectImpl : public DownloadFileObserver,
-                       public IDataObject,
-                       public IDataObjectAsyncCapability {
- public:
-  class Observer {
-   public:
-    virtual void OnWaitForData() = 0;
-    virtual void OnDataObjectDisposed() = 0;
-   protected:
-    virtual ~Observer() { }
-  };
-
-  DataObjectImpl();
-
-  // Accessors.
-  void set_observer(Observer* observer) { observer_ = observer; }
-  void set_in_drag_loop(bool in_drag_loop) { in_drag_loop_ = in_drag_loop; }
-
-  // Number of known formats.
-  size_t size() const { return contents_.size(); }
-
-  // DownloadFileObserver implementation:
-  virtual void OnDownloadCompleted(const base::FilePath& file_path);
-  virtual void OnDownloadAborted();
-
-  // IDataObject implementation:
-  HRESULT __stdcall GetData(FORMATETC* format_etc, STGMEDIUM* medium);
-  HRESULT __stdcall GetDataHere(FORMATETC* format_etc, STGMEDIUM* medium);
-  HRESULT __stdcall QueryGetData(FORMATETC* format_etc);
-  HRESULT __stdcall GetCanonicalFormatEtc(
-      FORMATETC* format_etc, FORMATETC* result);
-  HRESULT __stdcall SetData(
-      FORMATETC* format_etc, STGMEDIUM* medium, BOOL should_release);
-  HRESULT __stdcall EnumFormatEtc(
-      DWORD direction, IEnumFORMATETC** enumerator);
-  HRESULT __stdcall DAdvise(FORMATETC* format_etc, DWORD advf,
-                            IAdviseSink* sink, DWORD* connection);
-  HRESULT __stdcall DUnadvise(DWORD connection);
-  HRESULT __stdcall EnumDAdvise(IEnumSTATDATA** enumerator);
-
-  // IDataObjectAsyncCapability implementation:
-  HRESULT __stdcall EndOperation(
-      HRESULT result, IBindCtx* reserved, DWORD effects);
-  HRESULT __stdcall GetAsyncMode(BOOL* is_op_async);
-  HRESULT __stdcall InOperation(BOOL* in_async_op);
-  HRESULT __stdcall SetAsyncMode(BOOL do_op_async);
-  HRESULT __stdcall StartOperation(IBindCtx* reserved);
-
-  // IUnknown implementation:
-  HRESULT __stdcall QueryInterface(const IID& iid, void** object);
-  ULONG __stdcall AddRef();
-  ULONG __stdcall Release();
-
- private:
-  // FormatEtcEnumerator only likes us for our StoredDataMap typedef.
-  friend class FormatEtcEnumerator;
-  friend class OSExchangeDataProviderWin;
-
-  virtual ~DataObjectImpl();
-
-  void StopDownloads();
-
-  // Removes from contents_ the first data that matches |format|.
-  void RemoveData(const FORMATETC& format);
-
-  // Our internal representation of stored data & type info.
-  struct StoredDataInfo {
-    FORMATETC format_etc;
-    STGMEDIUM* medium;
-    bool owns_medium;
-    scoped_refptr<DownloadFileProvider> downloader;
-
-    StoredDataInfo(const FORMATETC& format_etc, STGMEDIUM* medium)
-        : format_etc(format_etc), medium(medium), owns_medium(true) {}
-
-    ~StoredDataInfo() {
-      if (owns_medium) {
-        ReleaseStgMedium(medium);
-        delete medium;
-      }
-      if (downloader.get())
-        downloader->Stop();
-    }
-  };
-
-  typedef ScopedVector<StoredDataInfo> StoredData;
-  StoredData contents_;
-
-  base::win::ScopedComPtr<IDataObject> source_object_;
-
-  bool is_aborting_;
-  bool in_drag_loop_;
-  bool in_async_mode_;
-  bool async_operation_started_;
-  Observer* observer_;
-};
-
-class UI_BASE_EXPORT OSExchangeDataProviderWin
-    : public OSExchangeData::Provider {
- public:
-  // Returns true if source has plain text that is a valid url.
-  static bool HasPlainTextURL(IDataObject* source);
-
-  // Returns true if source has plain text that is a valid URL and sets url to
-  // that url.
-  static bool GetPlainTextURL(IDataObject* source, GURL* url);
-
-  static DataObjectImpl* GetDataObjectImpl(const OSExchangeData& data);
-  static IDataObject* GetIDataObject(const OSExchangeData& data);
-  static IDataObjectAsyncCapability* GetIAsyncOperation(
-      const OSExchangeData& data);
-
-  explicit OSExchangeDataProviderWin(IDataObject* source);
-  OSExchangeDataProviderWin();
-
-  virtual ~OSExchangeDataProviderWin();
-
-  IDataObject* data_object() const { return data_.get(); }
-  IDataObjectAsyncCapability* async_operation() const { return data_.get(); }
-
-  // OSExchangeData::Provider methods.
-  virtual Provider* Clone() const;
-  virtual void MarkOriginatedFromRenderer();
-  virtual bool DidOriginateFromRenderer() const;
-  virtual void SetString(const base::string16& data);
-  virtual void SetURL(const GURL& url, const base::string16& title);
-  virtual void SetFilename(const base::FilePath& path);
-  virtual void SetFilenames(const std::vector<FileInfo>& filenames);
-  virtual void SetPickledData(const OSExchangeData::CustomFormat& format,
-                              const Pickle& data);
-  virtual void SetFileContents(const base::FilePath& filename,
-                               const std::string& file_contents);
-  virtual void SetHtml(const base::string16& html, const GURL& base_url);
-
-  virtual bool GetString(base::string16* data) const;
-  virtual bool GetURLAndTitle(OSExchangeData::FilenameToURLPolicy policy,
-                              GURL* url,
-                              base::string16* title) const;
-  virtual bool GetFilename(base::FilePath* path) const;
-  virtual bool GetFilenames(std::vector<FileInfo>* filenames) const;
-  virtual bool GetPickledData(const OSExchangeData::CustomFormat& format,
-                              Pickle* data) const;
-  virtual bool GetFileContents(base::FilePath* filename,
-                               std::string* file_contents) const;
-  virtual bool GetHtml(base::string16* html, GURL* base_url) const;
-  virtual bool HasString() const;
-  virtual bool HasURL(OSExchangeData::FilenameToURLPolicy policy) const;
-  virtual bool HasFile() const;
-  virtual bool HasFileContents() const;
-  virtual bool HasHtml() const;
-  virtual bool HasCustomFormat(
-      const OSExchangeData::CustomFormat& format) const;
-  virtual void SetDownloadFileInfo(
-      const OSExchangeData::DownloadFileInfo& download_info);
-  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:
-  scoped_refptr<DataObjectImpl> data_;
-  base::win::ScopedComPtr<IDataObject> source_object_;
-
-  // Drag image and offset data. Only used for Ash.
-  gfx::ImageSkia drag_image_;
-  gfx::Vector2d drag_image_offset_;
-
-  DISALLOW_COPY_AND_ASSIGN(OSExchangeDataProviderWin);
-};
-
-}  // namespace ui
-
-#endif  // UI_BASE_DRAGDROP_OS_EXCHANGE_DATA_PROVIDER_WIN_H_