text: /*
   * Copyright (C) 2007 Apple Inc.  All rights reserved.
   * Copyright (C) 2008, 2009 Google Inc.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
   * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
   * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
   */
  
  // Modified from DragDataWin.cpp to not directly call any windows methods as
  // they may not be available to us in the multiprocess 
  
  #include "config.h"
  #include "DragData.h"
  
  #include "ChromiumDataObject.h"
  #include "ClipboardMimeTypes.h"
  #include "DocumentFragment.h"
  #include "FileSystem.h"
  #include "Frame.h"
  #include "KURL.h"
  #include "NotImplemented.h"
  #include "PlatformBridge.h"
  #include "PlatformString.h"
  #include "markup.h"
  
  namespace WebCore {
  
  static bool containsHTML(const ChromiumDataObject* dropData)
  {
      return dropData->types().contains(mimeTypeTextHTML);
  }
  
  bool DragData::containsURL(Frame*, FilenameConversionPolicy filenamePolicy) const
  {
      return m_platformDragData->types().contains(mimeTypeURL)
          || (filenamePolicy == ConvertFilenames && m_platformDragData->containsFilenames());
  }
  
  String DragData::asURL(Frame*, FilenameConversionPolicy filenamePolicy, String* title) const
  {
      String url;
      if (m_platformDragData->types().contains(mimeTypeURL)) {
          bool ignoredSuccess;
          url = m_platformDragData->getData(mimeTypeURL, ignoredSuccess);
          if (title)
              *title = m_platformDragData->urlTitle();
      } else if (filenamePolicy == ConvertFilenames && containsFiles()) {
          url = PlatformBridge::filePathToURL(PlatformBridge::getAbsolutePath(m_platformDragData->filenames()[0]));
      }
      return url;
  }
  
  bool DragData::containsFiles() const
  {
      return m_platformDragData->containsFilenames();
  }
  
  void DragData::asFilenames(Vector<String>& result) const
  {
      const Vector<String>& filenames = m_platformDragData->filenames();
      for (size_t i = 0; i < filenames.size(); ++i)
          result.append(filenames[i]);
  }
  
  bool DragData::containsPlainText() const
  {
      return m_platformDragData->types().contains(mimeTypeTextPlain);
  }
  
  String DragData::asPlainText(Frame*) const
  {
      bool ignoredSuccess;
      return m_platformDragData->getData(mimeTypeTextPlain, ignoredSuccess);
  }
  
  bool DragData::containsColor() const
  {
      notImplemented();
      return false;
  }
  
  bool DragData::canSmartReplace() const
  {
      // Mimic the situations in which mac allows drag&drop to do a smart replace.
      // This is allowed whenever the drag data contains a 'range' (ie.,
      // ClipboardWin::writeRange is called).  For example, dragging a link
      // should not result in a space being added.
      return m_platformDragData->types().contains(mimeTypeTextPlain)
          && !m_platformDragData->types().contains(mimeTypeURL);
  }
  
  bool DragData::containsCompatibleContent() const
  {
      return containsPlainText()
          || containsURL(0)
          || containsHTML(m_platformDragData)
          || containsColor()
          || containsFiles();
  }
  
  PassRefPtr<DocumentFragment> DragData::asFragment(Frame* frame, PassRefPtr<Range>, bool, bool&) const
  {     
      /*
       * Order is richest format first. On OSX this is:
       * * Web Archive
       * * Filenames
       * * HTML
       * * RTF
       * * TIFF
       * * PICT
       */
  
      if (containsFiles()) {
          // FIXME: Implement this.  Should be pretty simple to make some HTML
          // and call createFragmentFromMarkup.
          //if (RefPtr<DocumentFragment> fragment = createFragmentFromMarkup(doc,
          //    ?, KURL()))
          //    return fragment;
      }
  
      if (m_platformDragData->types().contains(mimeTypeTextHTML)) {
          bool ignoredSuccess;
          RefPtr<DocumentFragment> fragment = createFragmentFromMarkup(frame->document(),
              m_platformDragData->getData(mimeTypeTextHTML, ignoredSuccess), m_platformDragData->htmlBaseUrl(), FragmentScriptingNotAllowed);
          return fragment.release();
      }
  
      return 0;
  }
  
  Color DragData::asColor() const
  {
      notImplemented();
      return Color();
  }
  
  } // namespace WebCore
  