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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "components/bookmarks/browser/bookmark_node_data.h"
      6 
      7 #include "base/logging.h"
      8 #include "base/pickle.h"
      9 #include "base/strings/utf_string_conversions.h"
     10 #include "ui/base/clipboard/clipboard.h"
     11 
     12 namespace bookmarks {
     13 
     14 namespace {
     15 
     16 const char kJavaScriptScheme[] = "javascript";
     17 
     18 }  // namespace
     19 
     20 // static
     21 const ui::OSExchangeData::CustomFormat&
     22 BookmarkNodeData::GetBookmarkCustomFormat() {
     23   CR_DEFINE_STATIC_LOCAL(
     24       ui::OSExchangeData::CustomFormat,
     25       format,
     26       (ui::Clipboard::GetFormatType(BookmarkNodeData::kClipboardFormatString)));
     27 
     28   return format;
     29 }
     30 
     31 void BookmarkNodeData::Write(const base::FilePath& profile_path,
     32                              ui::OSExchangeData* data) const {
     33   DCHECK(data);
     34 
     35   // If there is only one element and it is a URL, write the URL to the
     36   // clipboard.
     37   if (elements.size() == 1 && elements[0].is_url) {
     38     if (elements[0].url.SchemeIs(kJavaScriptScheme)) {
     39       data->SetString(base::UTF8ToUTF16(elements[0].url.spec()));
     40     } else {
     41       data->SetURL(elements[0].url, elements[0].title);
     42     }
     43   }
     44 
     45   Pickle data_pickle;
     46   WriteToPickle(profile_path, &data_pickle);
     47 
     48   data->SetPickledData(GetBookmarkCustomFormat(), data_pickle);
     49 }
     50 
     51 bool BookmarkNodeData::Read(const ui::OSExchangeData& data) {
     52   elements.clear();
     53 
     54   profile_path_.clear();
     55 
     56   if (data.HasCustomFormat(GetBookmarkCustomFormat())) {
     57     Pickle drag_data_pickle;
     58     if (data.GetPickledData(GetBookmarkCustomFormat(), &drag_data_pickle)) {
     59       if (!ReadFromPickle(&drag_data_pickle))
     60         return false;
     61     }
     62   } else {
     63     // See if there is a URL on the clipboard.
     64     Element element;
     65     GURL url;
     66     base::string16 title;
     67     if (data.GetURLAndTitle(
     68             ui::OSExchangeData::CONVERT_FILENAMES, &url, &title))
     69       ReadFromTuple(url, title);
     70   }
     71 
     72   return is_valid();
     73 }
     74 
     75 }  // namespace bookmarks
     76