Move OSExchangeData from src/app to src/ui/base/dragdrop...

app/os_exchange_data_provider_win.h

-// Copyright (c) 2009 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 APP_OS_EXCHANGE_DATA_PROVIDER_WIN_H_
-#define APP_OS_EXCHANGE_DATA_PROVIDER_WIN_H_
-#pragma once
-
-#include <objidl.h>
-#include <shlobj.h>
-#include <string>
-
-#include "app/os_exchange_data.h"
-#include "base/scoped_comptr_win.h"
-
-class DataObjectImpl : public DownloadFileObserver,
-                       public IDataObject,
-                       public IAsyncOperation {
- public:
-  class Observer {
-   public:
-    virtual void OnWaitForData() = 0;
-    virtual void OnDataObjectDisposed() = 0;
-   protected:
-    virtual ~Observer() { }
-  };
-
-  DataObjectImpl();
-
-  // Accessors.
-  void set_observer(Observer* observer) { observer_ = observer; }
-
-  // DownloadFileObserver implementation:
-  virtual void OnDownloadCompleted(const 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);
-
-  // IAsyncOperation 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();
-
-  // Our internal representation of stored data & type info.
-  struct StoredDataInfo {
-    FORMATETC format_etc;
-    STGMEDIUM* medium;
-    bool owns_medium;
-    bool in_delay_rendering;
-    scoped_refptr<DownloadFileProvider> downloader;
-
-    StoredDataInfo(CLIPFORMAT cf, STGMEDIUM* medium)
-        : medium(medium),
-          owns_medium(true),
-          in_delay_rendering(false) {
-      format_etc.cfFormat = cf;
-      format_etc.dwAspect = DVASPECT_CONTENT;
-      format_etc.lindex = -1;
-      format_etc.ptd = NULL;
-      format_etc.tymed = medium ? medium->tymed : TYMED_HGLOBAL;
-    }
-
-    StoredDataInfo(FORMATETC* format_etc, STGMEDIUM* medium)
-        : format_etc(*format_etc),
-          medium(medium),
-          owns_medium(true),
-          in_delay_rendering(false) {
-    }
-
-    ~StoredDataInfo() {
-      if (owns_medium) {
-        ReleaseStgMedium(medium);
-        delete medium;
-      }
-      if (downloader.get())
-        downloader->Stop();
-    }
-  };
-
-  typedef std::vector<StoredDataInfo*> StoredData;
-  StoredData contents_;
-
-  ScopedComPtr<IDataObject> source_object_;
-
-  bool is_aborting_;
-  bool in_async_mode_;
-  bool async_operation_started_;
-  Observer* observer_;
-};
-
-class 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 IAsyncOperation* GetIAsyncOperation(const OSExchangeData& data);
-
-  explicit OSExchangeDataProviderWin(IDataObject* source);
-  OSExchangeDataProviderWin();
-
-  virtual ~OSExchangeDataProviderWin();
-
-  IDataObject* data_object() const { return data_.get(); }
-  IAsyncOperation* async_operation() const { return data_.get(); }
-
-  // OSExchangeData::Provider methods.
-  virtual void SetString(const std::wstring& data);
-  virtual void SetURL(const GURL& url, const std::wstring& title);
-  virtual void SetFilename(const std::wstring& full_path);
-  virtual void SetPickledData(OSExchangeData::CustomFormat format,
-                              const Pickle& data);
-  virtual void SetFileContents(const std::wstring& filename,
-                               const std::string& file_contents);
-  virtual void SetHtml(const std::wstring& html, const GURL& base_url);
-
-  virtual bool GetString(std::wstring* data) const;
-  virtual bool GetURLAndTitle(GURL* url, std::wstring* title) const;
-  virtual bool GetFilename(std::wstring* full_path) const;
-  virtual bool GetPickledData(OSExchangeData::CustomFormat format,
-                              Pickle* data) const;
-  virtual bool GetFileContents(std::wstring* filename,
-                               std::string* file_contents) const;
-  virtual bool GetHtml(std::wstring* html, GURL* base_url) const;
-  virtual bool HasString() const;
-  virtual bool HasURL() const;
-  virtual bool HasFile() const;
-  virtual bool HasFileContents() const;
-  virtual bool HasHtml() const;
-  virtual bool HasCustomFormat(OSExchangeData::CustomFormat format) const;
-  virtual void SetDownloadFileInfo(
-      const OSExchangeData::DownloadFileInfo& download_info);
-
- private:
-  scoped_refptr<DataObjectImpl> data_;
-  ScopedComPtr<IDataObject> source_object_;
-
-  DISALLOW_COPY_AND_ASSIGN(OSExchangeDataProviderWin);
-};
-
-#endif  // APP_OS_EXCHANGE_DATA_PROVIDER_WIN_H_