src/chrome/browser/download/drag_download_item_views.cc

   1 // Copyright 2013 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 "chrome/browser/download/drag_download_item.h"
   6
   7 #include <string>
   8
   9 #include "chrome/browser/profiles/profile.h"
  10 #include "content/public/browser/download_item.h"
  11 #include "net/base/mime_util.h"
  12 #include "net/base/net_util.h"
  13 #include "ui/base/dragdrop/drag_drop_types.h"
  14 #include "ui/base/dragdrop/drag_utils.h"
  15 #include "ui/base/dragdrop/file_info.h"
  16 #include "ui/base/dragdrop/os_exchange_data.h"
  17 #include "ui/gfx/image/image.h"
  18 #include "ui/gfx/image/image_skia.h"
  19 #include "ui/gfx/point.h"
  20 #include "ui/gfx/screen.h"
  21 #include "ui/views/widget/widget.h"
  22 #include "url/gurl.h"
  23
  24 #if defined(USE_AURA)
  25 #include "ui/aura/window.h"
  26 #include "ui/aura/window_event_dispatcher.h"
  27 #include "ui/wm/public/drag_drop_client.h"
  28 #endif
  29
  30 #if defined(OS_CHROMEOS)
  31 #include "chrome/browser/chromeos/drive/download_handler.h"
  32 #endif
  33
  34 void DragDownloadItem(const content::DownloadItem* download,
  35                       gfx::Image* icon,
  36                       gfx::NativeView view) {
  37   DCHECK(download);
  38   DCHECK_EQ(content::DownloadItem::COMPLETE, download->GetState());
  39
  40   // Set up our OLE machinery
  41   ui::OSExchangeData data;
  42
  43   drag_utils::CreateDragImageForFile(
  44       download->GetFileNameToReportUser(),
  45       icon ? icon->AsImageSkia() : gfx::ImageSkia(),
  46       &data);
  47
  48   base::FilePath full_path = download->GetTargetFilePath();
  49 #if defined(OS_CHROMEOS)
  50   // Overwrite |full_path| with drive cache file path when appropriate.
  51   Profile* profile = Profile::FromBrowserContext(download->GetBrowserContext());
  52   drive::DownloadHandler* drive_download_handler =
  53       drive::DownloadHandler::GetForProfile(profile);
  54   if (drive_download_handler &&
  55       drive_download_handler->IsDriveDownload(download))
  56     full_path = drive_download_handler->GetCacheFilePath(download);
  57 #endif
  58   std::vector<ui::FileInfo> file_infos;
  59   file_infos.push_back(
  60       ui::FileInfo(full_path, download->GetFileNameToReportUser()));
  61   data.SetFilenames(file_infos);
  62
  63   // Add URL so that we can load supported files when dragged to WebContents.
  64   data.SetURL(net::FilePathToFileURL(full_path),
  65               download->GetFileNameToReportUser().LossyDisplayName());
  66
  67 #if !defined(TOOLKIT_GTK)
  68 #if defined(USE_AURA)
  69   aura::Window* root_window = view->GetRootWindow();
  70   if (!root_window || !aura::client::GetDragDropClient(root_window))
  71     return;
  72
  73   gfx::Point location = gfx::Screen::GetScreenFor(view)->GetCursorScreenPoint();
  74   // TODO(varunjain): Properly determine and send DRAG_EVENT_SOURCE below.
  75   aura::client::GetDragDropClient(root_window)->StartDragAndDrop(
  76       data,
  77       root_window,
  78       view,
  79       location,
  80       ui::DragDropTypes::DRAG_COPY | ui::DragDropTypes::DRAG_LINK,
  81       ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE);
  82 #else  // We are on WIN without AURA
  83   // We cannot use Widget::RunShellDrag on WIN since the |view| is backed by a
  84   // WebContentsViewWin, not a NativeWidgetWin.
  85   scoped_refptr<ui::DragSourceWin> drag_source(new ui::DragSourceWin);
  86   // Run the drag and drop loop
  87   DWORD effects;
  88   DoDragDrop(ui::OSExchangeDataProviderWin::GetIDataObject(data),
  89              drag_source.get(),
  90              DROPEFFECT_COPY | DROPEFFECT_LINK,
  91              &effects);
  92 #endif
  93
  94 #else
  95   GtkWidget* root = gtk_widget_get_toplevel(view);
  96   if (!root)
  97     return;
  98
  99   views::NativeWidgetGtk* widget = static_cast<views::NativeWidgetGtk*>(
 100       views::Widget::GetWidgetForNativeView(root)->native_widget());
 101   if (!widget)
 102     return;
 103
 104   widget->DoDrag(data,
 105                  ui::DragDropTypes::DRAG_COPY | ui::DragDropTypes::DRAG_LINK);
 106 #endif  // TOOLKIT_GTK
 107 }