99 lines
3.0 KiB
C++
99 lines
3.0 KiB
C++
// Copyright (c) 2011 The Chromium Embedded Framework Authors.
|
|
// Portions copyright (c) 2009-2010 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef CEF_LIBCEF_DRAG_DOWNLOAD_FILE_H_
|
|
#define CEF_LIBCEF_DRAG_DOWNLOAD_FILE_H_
|
|
#pragma once
|
|
|
|
#include <string>
|
|
|
|
#include "base/file_path.h"
|
|
#include "base/memory/linked_ptr.h"
|
|
#include "base/message_loop.h"
|
|
#include "googleurl/src/gurl.h"
|
|
#include "ui/base/dragdrop/download_file_interface.h"
|
|
|
|
class BrowserWebViewDelegate;
|
|
|
|
namespace net {
|
|
class FileStream;
|
|
}
|
|
|
|
class DragDownloadFile : public ui::DownloadFileProvider {
|
|
public:
|
|
// On Windows, we need to download into a temporary file. Two threads are
|
|
// involved: background drag-and-drop thread and UI thread.
|
|
// The first parameter file_name_or_path should contain file name while the
|
|
// second parameter file_stream should be NULL.
|
|
//
|
|
// On MacOSX, we need to download into a file stream that has already been
|
|
// created. Only UI thread is involved.
|
|
// The file path and file stream should be provided as the first two
|
|
// parameters.
|
|
DragDownloadFile(const FilePath& file_name_or_path,
|
|
linked_ptr<net::FileStream> file_stream,
|
|
const GURL& url,
|
|
const GURL& referrer,
|
|
const std::string& referrer_encoding,
|
|
BrowserWebViewDelegate* view);
|
|
|
|
// DownloadFileProvider methods.
|
|
// Called on drag-and-drop thread (Windows).
|
|
// Called on UI thread (MacOSX).
|
|
virtual bool Start(ui::DownloadFileObserver* observer);
|
|
virtual void Stop();
|
|
#if defined(OS_WIN)
|
|
virtual IStream* GetStream() { return NULL; }
|
|
#endif
|
|
|
|
private:
|
|
// Called on drag-and-drop thread (Windows).
|
|
// Called on UI thread (Windows).
|
|
virtual ~DragDownloadFile();
|
|
|
|
// Called on drag-and-drop thread (Windows only).
|
|
#if defined(OS_WIN)
|
|
void StartNestedMessageLoop();
|
|
void QuitNestedMessageLoop();
|
|
#endif
|
|
|
|
// Called on either drag-and-drop thread or UI thread (Windows).
|
|
// Called on UI thread (MacOSX).
|
|
void InitiateDownload();
|
|
void DownloadCompleted(bool is_successful);
|
|
|
|
// Helper methods to make sure we're in the correct thread.
|
|
void AssertCurrentlyOnDragThread();
|
|
void AssertCurrentlyOnUIThread();
|
|
|
|
// Initialized on drag-and-drop thread. Accessed on either thread after that
|
|
// (Windows).
|
|
// Accessed on UI thread (MacOSX).
|
|
FilePath file_path_;
|
|
FilePath file_name_;
|
|
linked_ptr<net::FileStream> file_stream_;
|
|
GURL url_;
|
|
GURL referrer_;
|
|
std::string referrer_encoding_;
|
|
BrowserWebViewDelegate* view_;
|
|
MessageLoop* drag_message_loop_;
|
|
FilePath temp_dir_path_;
|
|
|
|
// Accessed on drag-and-drop thread (Windows).
|
|
// Accessed on UI thread (MacOSX).
|
|
bool is_started_;
|
|
bool is_successful_;
|
|
scoped_refptr<ui::DownloadFileObserver> observer_;
|
|
|
|
// Accessed on drag-and-drop thread (Windows only).
|
|
#if defined(OS_WIN)
|
|
bool is_running_nested_message_loop_;
|
|
#endif
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(DragDownloadFile);
|
|
};
|
|
|
|
#endif // CEF_LIBCEF_DRAG_DOWNLOAD_FILE_H_
|