Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 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/chromeos/drive/file_system/open_file_operation.h" |
| 6 | |
| 7 | #include "base/bind.h" |
| 8 | #include "base/files/file_path.h" |
| 9 | #include "base/logging.h" |
| 10 | #include "base/message_loop/message_loop_proxy.h" |
| 11 | #include "base/task_runner_util.h" |
| 12 | #include "chrome/browser/chromeos/drive/drive.pb.h" |
| 13 | #include "chrome/browser/chromeos/drive/file_cache.h" |
| 14 | #include "chrome/browser/chromeos/drive/file_errors.h" |
| 15 | #include "chrome/browser/chromeos/drive/file_system/create_file_operation.h" |
| 16 | #include "chrome/browser/chromeos/drive/file_system/download_operation.h" |
Ben Murdoch | a3f7b4e | 2013-07-24 10:36:34 +0100 | [diff] [blame] | 17 | #include "chrome/browser/chromeos/drive/file_system/operation_observer.h" |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 18 | #include "chrome/browser/chromeos/drive/file_system_interface.h" |
| 19 | #include "content/public/browser/browser_thread.h" |
| 20 | |
| 21 | using content::BrowserThread; |
| 22 | |
| 23 | namespace drive { |
| 24 | namespace file_system { |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 25 | |
| 26 | OpenFileOperation::OpenFileOperation( |
| 27 | base::SequencedTaskRunner* blocking_task_runner, |
| 28 | OperationObserver* observer, |
| 29 | JobScheduler* scheduler, |
| 30 | internal::ResourceMetadata* metadata, |
| 31 | internal::FileCache* cache, |
Ben Murdoch | a3f7b4e | 2013-07-24 10:36:34 +0100 | [diff] [blame] | 32 | const base::FilePath& temporary_file_directory) |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 33 | : blocking_task_runner_(blocking_task_runner), |
Ben Murdoch | a3f7b4e | 2013-07-24 10:36:34 +0100 | [diff] [blame] | 34 | observer_(observer), |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 35 | cache_(cache), |
| 36 | create_file_operation_(new CreateFileOperation( |
| 37 | blocking_task_runner, observer, scheduler, metadata, cache)), |
| 38 | download_operation_(new DownloadOperation( |
| 39 | blocking_task_runner, observer, scheduler, |
| 40 | metadata, cache, temporary_file_directory)), |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 41 | weak_ptr_factory_(this) { |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 42 | } |
| 43 | |
| 44 | OpenFileOperation::~OpenFileOperation() { |
| 45 | } |
| 46 | |
| 47 | void OpenFileOperation::OpenFile(const base::FilePath& file_path, |
| 48 | OpenMode open_mode, |
| 49 | const OpenFileCallback& callback) { |
| 50 | DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| 51 | DCHECK(!callback.is_null()); |
| 52 | |
| 53 | switch (open_mode) { |
| 54 | case OPEN_FILE: |
| 55 | // It is not necessary to create a new file even if not exists. |
| 56 | // So call OpenFileAfterCreateFile directly with FILE_ERROR_OK |
| 57 | // to skip file creation. |
| 58 | OpenFileAfterCreateFile(file_path, callback, FILE_ERROR_OK); |
| 59 | break; |
| 60 | case CREATE_FILE: |
| 61 | create_file_operation_->CreateFile( |
| 62 | file_path, |
| 63 | true /* exclusive */, |
| 64 | base::Bind(&OpenFileOperation::OpenFileAfterCreateFile, |
| 65 | weak_ptr_factory_.GetWeakPtr(), file_path, callback)); |
| 66 | break; |
| 67 | case OPEN_OR_CREATE_FILE: |
| 68 | create_file_operation_->CreateFile( |
| 69 | file_path, |
| 70 | false /* not-exclusive */, |
| 71 | base::Bind(&OpenFileOperation::OpenFileAfterCreateFile, |
| 72 | weak_ptr_factory_.GetWeakPtr(), file_path, callback)); |
| 73 | break; |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | void OpenFileOperation::OpenFileAfterCreateFile( |
| 78 | const base::FilePath& file_path, |
| 79 | const OpenFileCallback& callback, |
| 80 | FileError error) { |
| 81 | DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| 82 | DCHECK(!callback.is_null()); |
| 83 | |
| 84 | if (error != FILE_ERROR_OK) { |
Ben Murdoch | a3f7b4e | 2013-07-24 10:36:34 +0100 | [diff] [blame] | 85 | callback.Run(error, base::FilePath(), base::Closure()); |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 86 | return; |
| 87 | } |
| 88 | |
| 89 | download_operation_->EnsureFileDownloadedByPath( |
| 90 | file_path, |
| 91 | ClientContext(USER_INITIATED), |
| 92 | GetFileContentInitializedCallback(), |
| 93 | google_apis::GetContentCallback(), |
| 94 | base::Bind( |
| 95 | &OpenFileOperation::OpenFileAfterFileDownloaded, |
Ben Murdoch | a3f7b4e | 2013-07-24 10:36:34 +0100 | [diff] [blame] | 96 | weak_ptr_factory_.GetWeakPtr(), callback)); |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 97 | } |
| 98 | |
| 99 | void OpenFileOperation::OpenFileAfterFileDownloaded( |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 100 | const OpenFileCallback& callback, |
| 101 | FileError error, |
| 102 | const base::FilePath& local_file_path, |
| 103 | scoped_ptr<ResourceEntry> entry) { |
| 104 | DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| 105 | DCHECK(!callback.is_null()); |
| 106 | |
| 107 | if (error == FILE_ERROR_OK) { |
| 108 | DCHECK(entry); |
| 109 | DCHECK(entry->has_file_specific_info()); |
| 110 | if (entry->file_specific_info().is_hosted_document()) |
| 111 | // No support for opening a hosted document. |
| 112 | error = FILE_ERROR_INVALID_OPERATION; |
| 113 | } |
| 114 | |
| 115 | if (error != FILE_ERROR_OK) { |
Ben Murdoch | a3f7b4e | 2013-07-24 10:36:34 +0100 | [diff] [blame] | 116 | callback.Run(error, base::FilePath(), base::Closure()); |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 117 | return; |
| 118 | } |
| 119 | |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 120 | base::PostTaskAndReplyWithResult( |
| 121 | blocking_task_runner_.get(), |
| 122 | FROM_HERE, |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 123 | base::Bind(&internal::FileCache::MarkDirty, |
| 124 | base::Unretained(cache_), |
| 125 | entry->resource_id()), |
| 126 | base::Bind(&OpenFileOperation::OpenFileAfterMarkDirty, |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 127 | weak_ptr_factory_.GetWeakPtr(), |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 128 | local_file_path, |
Ben Murdoch | a3f7b4e | 2013-07-24 10:36:34 +0100 | [diff] [blame] | 129 | entry->resource_id(), |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 130 | callback)); |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 131 | } |
| 132 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 133 | void OpenFileOperation::OpenFileAfterMarkDirty( |
| 134 | const base::FilePath& local_file_path, |
Ben Murdoch | a3f7b4e | 2013-07-24 10:36:34 +0100 | [diff] [blame] | 135 | const std::string& resource_id, |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 136 | const OpenFileCallback& callback, |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 137 | FileError error) { |
| 138 | DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| 139 | DCHECK(!callback.is_null()); |
| 140 | |
Ben Murdoch | a3f7b4e | 2013-07-24 10:36:34 +0100 | [diff] [blame] | 141 | if (error != FILE_ERROR_OK) { |
| 142 | callback.Run(error, base::FilePath(), base::Closure()); |
| 143 | return; |
| 144 | } |
| 145 | |
| 146 | ++open_files_[resource_id]; |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 147 | callback.Run(error, local_file_path, |
Ben Murdoch | a3f7b4e | 2013-07-24 10:36:34 +0100 | [diff] [blame] | 148 | base::Bind(&OpenFileOperation::CloseFile, |
| 149 | weak_ptr_factory_.GetWeakPtr(), resource_id)); |
| 150 | } |
| 151 | |
| 152 | void OpenFileOperation::CloseFile(const std::string& resource_id) { |
| 153 | DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| 154 | DCHECK_GT(open_files_[resource_id], 0); |
| 155 | |
| 156 | if (--open_files_[resource_id] == 0) { |
| 157 | // All clients closes this file, so notify to upload the file. |
| 158 | open_files_.erase(resource_id); |
| 159 | observer_->OnCacheFileUploadNeededByOperation(resource_id); |
| 160 | } |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 161 | } |
| 162 | |
| 163 | } // namespace file_system |
| 164 | } // namespace drive |