Implement drag and drop of downloads for the Mac downloads page

chrome/browser/dom_ui/downloads_dom_handler.cc

 // Copyright (c) 2006-2009 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.
 
 #include "chrome/browser/dom_ui/downloads_dom_handler.h"
 
 #include "app/l10n_util.h"
 #include "base/basictypes.h"
 #include "base/gfx/png_encoder.h"
 #include "base/string_piece.h"
 #include "base/thread.h"
 #include "base/time_format.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/dom_ui/chrome_url_data_manager.h"
 #include "chrome/browser/dom_ui/fileicon_source.h"
 #include "chrome/browser/metrics/user_metrics.h"
 #include "chrome/browser/profile.h"
+#include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/common/jstemplate_builder.h"
 #include "chrome/common/time_format.h"
 #include "chrome/common/url_constants.h"
 #include "grit/browser_resources.h"
 #include "grit/generated_resources.h"
 
-#if defined(TOOLKIT_VIEWS)
+#if defined(TOOLKIT_VIEWS) || defined(OS_MACOSX)
 // TODO(port): re-enable when download_util is ported
 #include "chrome/browser/download/download_util.h"
 #else
 #include "chrome/common/temp_scaffolding_stubs.h"
 #endif
 
 namespace {
 
 // Maximum number of downloads to show. TODO(glen): Remove this and instead
 // stuff the downloads down the pipe slowly.
@@ skipping 126 matching lines @@
   DownloadItem* file = GetDownloadByValue(value);
   if (file)
     download_manager_->OpenDownload(file, NULL);
 }
 
 void DownloadsDOMHandler::HandleDrag(const Value* value) {
   DownloadItem* file = GetDownloadByValue(value);
   if (file) {
     IconManager* im = g_browser_process->icon_manager();
     SkBitmap* icon = im->LookupIcon(file->full_path(), IconLoader::NORMAL);
-    download_util::DragDownload(file, icon);
+    gfx::NativeView view = dom_ui_->tab_contents()->GetNativeView();
+    download_util::DragDownload(file, icon, view);
   }
 }
 
 void DownloadsDOMHandler::HandleSaveDangerous(const Value* value) {
   DownloadItem* file = GetDownloadByValue(value);
   if (file)
     download_manager_->DangerousDownloadValidated(file);
 }
 
 void DownloadsDOMHandler::HandleDiscardDangerous(const Value* value) {
@@ skipping 169 matching lines @@
   else if (download->TimeRemaining(&remaining))
     time_remaining = TimeFormat::TimeRemaining(remaining);
 
   if (time_remaining.empty()) {
     return l10n_util::GetStringF(IDS_DOWNLOAD_TAB_PROGRESS_STATUS_TIME_UNKNOWN,
                                  speed_text, amount);
   }
   return l10n_util::GetStringF(IDS_DOWNLOAD_TAB_PROGRESS_STATUS, speed_text,
                                amount, time_remaining);
 }