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      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/aura/window.h"
     14 #include "ui/aura/window_event_dispatcher.h"
     15 #include "ui/base/dragdrop/drag_drop_types.h"
     16 #include "ui/base/dragdrop/drag_utils.h"
     17 #include "ui/base/dragdrop/file_info.h"
     18 #include "ui/base/dragdrop/os_exchange_data.h"
     19 #include "ui/gfx/image/image.h"
     20 #include "ui/gfx/image/image_skia.h"
     21 #include "ui/gfx/point.h"
     22 #include "ui/gfx/screen.h"
     23 #include "ui/views/widget/widget.h"
     24 #include "ui/wm/public/drag_drop_client.h"
     25 #include "url/gurl.h"
     26 
     27 #if defined(OS_CHROMEOS)
     28 #include "chrome/browser/chromeos/drive/download_handler.h"
     29 #endif
     30 
     31 void DragDownloadItem(const content::DownloadItem* download,
     32                       gfx::Image* icon,
     33                       gfx::NativeView view) {
     34   DCHECK(download);
     35   DCHECK_EQ(content::DownloadItem::COMPLETE, download->GetState());
     36 
     37   // Set up our OLE machinery
     38   ui::OSExchangeData data;
     39 
     40   drag_utils::CreateDragImageForFile(
     41       download->GetFileNameToReportUser(),
     42       icon ? icon->AsImageSkia() : gfx::ImageSkia(),
     43       &data);
     44 
     45   base::FilePath full_path = download->GetTargetFilePath();
     46 #if defined(OS_CHROMEOS)
     47   // Overwrite |full_path| with drive cache file path when appropriate.
     48   Profile* profile = Profile::FromBrowserContext(download->GetBrowserContext());
     49   drive::DownloadHandler* drive_download_handler =
     50       drive::DownloadHandler::GetForProfile(profile);
     51   if (drive_download_handler &&
     52       drive_download_handler->IsDriveDownload(download))
     53     full_path = drive_download_handler->GetCacheFilePath(download);
     54 #endif
     55   std::vector<ui::FileInfo> file_infos;
     56   file_infos.push_back(
     57       ui::FileInfo(full_path, download->GetFileNameToReportUser()));
     58   data.SetFilenames(file_infos);
     59 
     60   aura::Window* root_window = view->GetRootWindow();
     61   if (!root_window || !aura::client::GetDragDropClient(root_window))
     62     return;
     63 
     64   gfx::Point location = gfx::Screen::GetScreenFor(view)->GetCursorScreenPoint();
     65   // TODO(varunjain): Properly determine and send DRAG_EVENT_SOURCE below.
     66   aura::client::GetDragDropClient(root_window)->StartDragAndDrop(
     67       data,
     68       root_window,
     69       view,
     70       location,
     71       ui::DragDropTypes::DRAG_COPY | ui::DragDropTypes::DRAG_LINK,
     72       ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE);
     73 }
     74