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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include "base/files/file_path.h"
#include "base/task/current_thread.h"
#include "build/build_config.h"
#include "chrome/browser/download/drag_download_item.h"
#include "components/download/public/common/download_item.h"
#include "net/base/mime_util.h"
#include "ui/aura/client/drag_drop_client.h"
#include "ui/aura/window.h"
#include "ui/aura/window_event_dispatcher.h"
#include "ui/base/clipboard/file_info.h"
#include "ui/base/dragdrop/drag_drop_types.h"
#include "ui/base/dragdrop/mojom/drag_drop_types.mojom-shared.h"
#include "ui/base/dragdrop/os_exchange_data.h"
#include "ui/display/screen.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/image/image.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/views/button_drag_utils.h"
#include "url/gurl.h"
void DragDownloadItem(const download::DownloadItem* download,
const gfx::Image* icon,
gfx::NativeView view) {
DCHECK(download);
DCHECK_EQ(download::DownloadItem::COMPLETE, download->GetState());
aura::Window* root_window = view->GetRootWindow();
if (!root_window || !aura::client::GetDragDropClient(root_window))
return;
// Set up our OLE machinery.
auto data = std::make_unique<ui::OSExchangeData>();
button_drag_utils::SetDragImage(
GURL(), download->GetFileNameToReportUser().BaseName().LossyDisplayName(),
icon ? icon->AsImageSkia() : gfx::ImageSkia(), nullptr, data.get());
base::FilePath full_path = download->GetTargetFilePath();
std::vector<ui::FileInfo> file_infos;
file_infos.emplace_back(full_path, download->GetFileNameToReportUser());
data->SetFilenames(file_infos);
gfx::Point location = display::Screen::GetScreen()->GetCursorScreenPoint();
// The following call to StartDragAndDrop() causes re-entrancy inside which
// application tasks must be run (to support dragging downloads into
// WebContents).
base::CurrentThread::ScopedAllowApplicationTasksInNativeNestedLoop allow;
// TODO(varunjain): Properly determine and send DragEventSource below.
aura::client::GetDragDropClient(root_window)
->StartDragAndDrop(
std::move(data), root_window, view, location,
ui::DragDropTypes::DRAG_COPY | ui::DragDropTypes::DRAG_LINK,
ui::mojom::DragEventSource::kMouse);
}
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