1// Copyright (c) 2012 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#ifndef CONTENT_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_UTIL_H_ 6#define CONTENT_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_UTIL_H_ 7 8#include "base/basictypes.h" 9#include "base/files/file.h" 10#include "base/memory/ref_counted.h" 11#include "base/strings/string16.h" 12#include "content/browser/download/drag_download_file.h" 13#include "ui/base/dragdrop/download_file_interface.h" 14 15class GURL; 16 17namespace base { 18class FilePath; 19} 20 21namespace content { 22 23// Parse the download metadata set in DataTransfer.setData. The metadata 24// consists of a set of the following values separated by ":" 25// * MIME type 26// * File name 27// * URL 28// If the file name contains special characters, they need to be escaped 29// appropriately. 30// For example, we can have 31// text/plain:example.txt:http://example.com/example.txt 32bool ParseDownloadMetadata(const base::string16& metadata, 33 base::string16* mime_type, 34 base::FilePath* file_name, 35 GURL* url); 36 37// Create a new file at the specified path. If the file already exists, try to 38// insert the sequential unifier to produce a new file, like foo-01.txt. 39// Return a File if successful. 40CONTENT_EXPORT base::File CreateFileForDrop(base::FilePath* file_path); 41 42// Implementation of DownloadFileObserver to finalize the download process. 43class PromiseFileFinalizer : public ui::DownloadFileObserver { 44 public: 45 explicit PromiseFileFinalizer(DragDownloadFile* drag_file_downloader); 46 47 // DownloadFileObserver methods. 48 virtual void OnDownloadCompleted(const base::FilePath& file_path) OVERRIDE; 49 virtual void OnDownloadAborted() OVERRIDE; 50 51 protected: 52 virtual ~PromiseFileFinalizer(); 53 54 private: 55 void Cleanup(); 56 57 scoped_refptr<DragDownloadFile> drag_file_downloader_; 58 59 DISALLOW_COPY_AND_ASSIGN(PromiseFileFinalizer); 60}; 61 62} // namespace content 63 64#endif // CONTENT_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_UTIL_H_ 65