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
31void 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