- Add CefDragHandler to support examination of drag data and cancellation of drag requests (issue #297).

- Mac: Fix dragging of URLs by providing a default image if no drag image is supplied.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@279 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/drag_data_impl.cc

@@ -0,0 +1,78 @@
+// Copyright (c) 2011 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#include "drag_data_impl.h"
+
+CefDragDataImpl::CefDragDataImpl(const WebDropData& data)
+  : data_(data)
+{
+}
+  
+bool CefDragDataImpl::IsLink()
+{
+  return (data_.url.is_valid() && data_.file_extension.empty());
+}
+
+bool CefDragDataImpl::IsFragment()
+{
+  return (!data_.url.is_valid() && data_.file_extension.empty() &&
+          data_.filenames.empty());
+}
+
+bool CefDragDataImpl::IsFile()
+{
+  return (!data_.file_extension.empty() || !data_.filenames.empty());
+}
+
+CefString CefDragDataImpl::GetLinkURL()
+{
+  return data_.url.spec();
+}
+
+CefString CefDragDataImpl::GetLinkTitle()
+{
+  return data_.url_title;
+}
+
+CefString CefDragDataImpl::GetLinkMetadata()
+{
+  return data_.download_metadata;
+}
+
+CefString CefDragDataImpl::GetFragmentText()
+{
+  return data_.plain_text;
+}
+
+CefString CefDragDataImpl::GetFragmentHtml()
+{
+  return data_.text_html;
+}
+
+CefString CefDragDataImpl::GetFragmentBaseURL()
+{
+  return data_.html_base_url.spec();
+}
+
+CefString CefDragDataImpl::GetFileExtension()
+{
+  return data_.file_extension;
+}
+
+CefString CefDragDataImpl::GetFileName()
+{
+  return data_.file_description_filename;
+}
+
+bool CefDragDataImpl::GetFileNames(std::vector<CefString>& names)
+{
+  if (data_.filenames.empty())
+    return false;
+
+  std::vector<string16>::const_iterator it = data_.filenames.begin();
+  for (; it != data_.filenames.end(); ++it)
+    names.push_back(*it);
+
+  return true;
+}