Move DragDownload() out of download_util.h

chrome/browser/download/download_util.cc

-// Copyright (c) 2012 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/download/download_util.h"
-
-#include <string>
-
-#include "content/public/browser/download_item.h"
-#include "net/base/mime_util.h"
-#include "net/base/net_util.h"
-#include "ui/gfx/image/image.h"
-#include "ui/gfx/point.h"
-#include "url/gurl.h"
-
-#if defined(TOOLKIT_VIEWS)
-#include "ui/base/dragdrop/drag_drop_types.h"
-#include "ui/base/dragdrop/drag_utils.h"
-#include "ui/base/dragdrop/os_exchange_data.h"
-#include "ui/gfx/screen.h"
-#include "ui/views/widget/widget.h"
-#endif
-
-#if defined(TOOLKIT_GTK)
-#include "chrome/browser/ui/gtk/custom_drag.h"
-#endif  // defined(TOOLKIT_GTK)
-
-#if defined(OS_WIN) && !defined(USE_AURA)
-#include "ui/base/dragdrop/drag_source_win.h"
-#include "ui/base/dragdrop/os_exchange_data_provider_win.h"
-#endif
-
-#if defined(USE_AURA)
-#include "ui/aura/client/drag_drop_client.h"
-#include "ui/aura/root_window.h"
-#include "ui/aura/window.h"
-#endif
-
-namespace download_util {
-
-using content::DownloadItem;
-
-#if defined(TOOLKIT_VIEWS)
-// Download dragging
-void DragDownload(const DownloadItem* download,
-                  gfx::Image* icon,
-                  gfx::NativeView view) {
-  DCHECK(download);
-  DCHECK_EQ(DownloadItem::COMPLETE, download->GetState());
-
-  // Set up our OLE machinery
-  ui::OSExchangeData data;
-
-  if (icon) {
-    drag_utils::CreateDragImageForFile(
-        download->GetFileNameToReportUser(), icon->ToImageSkia(), &data);
-  }
-
-  const base::FilePath full_path = download->GetTargetFilePath();
-  data.SetFilename(full_path);
-
-  std::string mime_type = download->GetMimeType();
-  if (mime_type.empty())
-    net::GetMimeTypeFromFile(full_path, &mime_type);
-
-  // Add URL so that we can load supported files when dragged to WebContents.
-  if (net::IsSupportedMimeType(mime_type)) {
-    data.SetURL(net::FilePathToFileURL(full_path),
-                download->GetFileNameToReportUser().LossyDisplayName());
-  }
-
-#if !defined(TOOLKIT_GTK)
-#if defined(USE_AURA)
-  aura::RootWindow* root_window = view->GetRootWindow();
-  if (!root_window || !aura::client::GetDragDropClient(root_window))
-    return;
-
-  gfx::Point location = gfx::Screen::GetScreenFor(view)->GetCursorScreenPoint();
-  // TODO(varunjain): Properly determine and send DRAG_EVENT_SOURCE below.
-  aura::client::GetDragDropClient(root_window)->StartDragAndDrop(
-      data,
-      root_window,
-      view,
-      location,
-      ui::DragDropTypes::DRAG_COPY | ui::DragDropTypes::DRAG_LINK,
-      ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE);
-#else  // We are on WIN without AURA
-  // We cannot use Widget::RunShellDrag on WIN since the |view| is backed by a
-  // WebContentsViewWin, not a NativeWidgetWin.
-  scoped_refptr<ui::DragSourceWin> drag_source(new ui::DragSourceWin);
-  // Run the drag and drop loop
-  DWORD effects;
-  DoDragDrop(ui::OSExchangeDataProviderWin::GetIDataObject(data),
-             drag_source.get(), DROPEFFECT_COPY | DROPEFFECT_LINK, &effects);
-#endif
-
-#else
-  GtkWidget* root = gtk_widget_get_toplevel(view);
-  if (!root)
-    return;
-
-  views::NativeWidgetGtk* widget = static_cast<views::NativeWidgetGtk*>(
-      views::Widget::GetWidgetForNativeView(root)->native_widget());
-  if (!widget)
-    return;
-
-  widget->DoDrag(data,
-                 ui::DragDropTypes::DRAG_COPY | ui::DragDropTypes::DRAG_LINK);
-#endif  // TOOLKIT_GTK
-}
-#elif defined(USE_X11)
-void DragDownload(const DownloadItem* download,
-                  gfx::Image* icon,
-                  gfx::NativeView view) {
-  DownloadItemDrag::BeginDrag(download, icon);
-}
-#endif  // USE_X11
-
-}  // namespace download_util