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