15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef CONTENT_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_FILE_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CONTENT_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_FILE_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/compiler_specific.h" 9c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#include "base/files/file.h" 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/files/file_path.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/scoped_ptr.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/weak_ptr.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/run_loop.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/download/download_file.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/common/content_export.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/download_item.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/download_manager.h" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/common/referrer.h" 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/base/dragdrop/download_file_interface.h" 207dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include "url/gurl.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace content { 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class DownloadManager; 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class WebContents; 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This class implements downloading a file via dragging virtual files out of 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the browser: 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2009-August/022118.html 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// http://www.html5rocks.com/en/tutorials/casestudies/box_dnd_download/ 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class CONTENT_EXPORT DragDownloadFile : public ui::DownloadFileProvider { 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // On Windows, we need to download into a temporary file. On posix, we need to 34c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch // download into a file that has already been created, so only the UI 35c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch // thread is involved. |file| must be null on windows but non-null on 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // posix systems. |file_path| is an absolute path on all systems. 372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DragDownloadFile(const base::FilePath& file_path, 38c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch base::File file, 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const GURL& url, 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Referrer& referrer, 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& referrer_encoding, 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WebContents* web_contents); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // DownloadFileProvider methods. 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void Start(ui::DownloadFileObserver* observer) OVERRIDE; 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool Wait() OVERRIDE; 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void Stop() OVERRIDE; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) class DragDownloadFileUI; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enum State {INITIALIZED, STARTED, SUCCESS, FAILURE}; 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~DragDownloadFile(); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void DownloadCompleted(bool is_successful); 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void CheckThread(); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::FilePath file_path_; 59c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch base::File file_; 60c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::MessageLoop* drag_message_loop_; 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) State state_; 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_refptr<ui::DownloadFileObserver> observer_; 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::RunLoop nested_loop_; 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DragDownloadFileUI* drag_ui_; 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::WeakPtrFactory<DragDownloadFile> weak_ptr_factory_; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(DragDownloadFile); 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace content 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // CONTENT_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_FILE_H_ 73