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| 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 #include "chrome/browser/chromeos/extensions/file_manager/zip_file_creator.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/command_line.h" | |
| 9 #include "base/files/file_util_proxy.h" | |
| 10 #include "base/memory/scoped_handle.h" | |
| 11 #include "base/message_loop/message_loop.h" | |
| 12 #include "base/path_service.h" | |
| 13 #include "base/threading/sequenced_worker_pool.h" | |
| 14 #include "chrome/common/chrome_paths.h" | |
| 15 #include "chrome/common/chrome_switches.h" | |
| 16 #include "chrome/common/chrome_utility_messages.h" | |
| 17 #include "chrome/common/extensions/extension_file_util.h" | |
| 18 #include "chrome/common/extensions/extension_manifest_constants.h" | |
| 19 #include "content/public/browser/browser_thread.h" | |
| 20 #include "content/public/browser/utility_process_host.h" | |
| 21 #include "grit/generated_resources.h" | |
| 22 | |
| 23 using content::BrowserThread; | |
| 24 using content::UtilityProcessHost; | |
| 25 | |
| 26 namespace file_manager { | |
| 27 | |
| 28 ZipFileCreator::ZipFileCreator( | |
| 29 Observer* observer, | |
| 30 const base::FilePath& src_dir, | |
| 31 const std::vector<base::FilePath>& src_relative_paths, | |
| 32 const base::FilePath& dest_file) | |
| 33 : thread_identifier_(BrowserThread::ID_COUNT), | |
| 34 observer_(observer), | |
| 35 src_dir_(src_dir), | |
| 36 src_relative_paths_(src_relative_paths), | |
| 37 dest_file_(dest_file), | |
| 38 got_response_(false) { | |
| 39 } | |
| 40 | |
| 41 void ZipFileCreator::Start() { | |
| 42 CHECK(BrowserThread::GetCurrentThreadIdentifier(&thread_identifier_)); | |
| 43 BrowserThread::GetBlockingPool()->PostTask( | |
| 44 FROM_HERE, | |
| 45 base::Bind(&ZipFileCreator::OpenFileHandleOnBlockingThreadPool, this)); | |
| 46 } | |
| 47 | |
| 48 ZipFileCreator::~ZipFileCreator() { | |
| 49 } | |
| 50 | |
| 51 bool ZipFileCreator::OnMessageReceived(const IPC::Message& message) { | |
| 52 bool handled = true; | |
| 53 IPC_BEGIN_MESSAGE_MAP(ZipFileCreator, message) | |
| 54 IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_CreateZipFile_Succeeded, | |
| 55 OnCreateZipFileSucceeded) | |
| 56 IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_CreateZipFile_Failed, | |
| 57 OnCreateZipFileFailed) | |
| 58 IPC_MESSAGE_UNHANDLED(handled = false) | |
| 59 IPC_END_MESSAGE_MAP() | |
| 60 return handled; | |
| 61 } | |
| 62 | |
| 63 void ZipFileCreator::OnProcessCrashed(int exit_code) { | |
| 64 // Don't report crashes if they happen after we got a response. | |
| 65 if (got_response_) | |
| 66 return; | |
| 67 | |
| 68 // Utility process crashed while trying to create the zip file. | |
| 69 ReportDone(false); | |
| 70 } | |
| 71 | |
| 72 void ZipFileCreator::OpenFileHandleOnBlockingThreadPool() { | |
| 73 // Create the destination zip file only if it does not already exist. | |
| 74 int flags = base::PLATFORM_FILE_CREATE | base::PLATFORM_FILE_WRITE; | |
| 75 base::PlatformFileError error_code = base::PLATFORM_FILE_OK; | |
| 76 base::PlatformFile dest_file = | |
| 77 base::CreatePlatformFile(dest_file_, flags, NULL, &error_code); | |
| 78 | |
| 79 if (error_code != base::PLATFORM_FILE_OK) { | |
| 80 LOG(ERROR) << "Failed to create dest zip file " << dest_file_.value(); | |
| 81 | |
| 82 BrowserThread::GetMessageLoopProxyForThread(thread_identifier_)->PostTask( | |
| 83 FROM_HERE, | |
| 84 base::Bind(&ZipFileCreator::ReportDone, this, false)); | |
| 85 return; | |
| 86 } | |
| 87 | |
| 88 BrowserThread::PostTask( | |
| 89 BrowserThread::IO, FROM_HERE, | |
| 90 base::Bind(&ZipFileCreator::StartProcessOnIOThread, this, dest_file)); | |
| 91 } | |
| 92 | |
| 93 void ZipFileCreator::StartProcessOnIOThread(base::PlatformFile dest_file) { | |
| 94 base::FileDescriptor dest_fd; | |
| 95 dest_fd.fd = dest_file; | |
| 96 dest_fd.auto_close = true; | |
| 97 | |
| 98 UtilityProcessHost* host = UtilityProcessHost::Create( | |
| 99 this, | |
| 100 BrowserThread::GetMessageLoopProxyForThread(thread_identifier_).get()); | |
| 101 host->Send(new ChromeUtilityMsg_CreateZipFile(src_dir_, src_relative_paths_, | |
| 102 dest_fd)); | |
| 103 } | |
| 104 | |
| 105 void ZipFileCreator::OnCreateZipFileSucceeded() { | |
| 106 ReportDone(true); | |
| 107 } | |
| 108 | |
| 109 void ZipFileCreator::OnCreateZipFileFailed() { | |
| 110 ReportDone(false); | |
| 111 } | |
| 112 | |
| 113 void ZipFileCreator::ReportDone(bool success) { | |
| 114 // Skip check for unittests. | |
| 115 if (thread_identifier_ != BrowserThread::ID_COUNT) | |
| 116 DCHECK(BrowserThread::CurrentlyOn(thread_identifier_)); | |
| 117 | |
| 118 // Guard against calling observer multiple times. | |
| 119 if (got_response_) | |
| 120 return; | |
| 121 | |
| 122 got_response_ = true; | |
| 123 observer_->OnZipDone(success); | |
| 124 } | |
| 125 | |
| 126 } // namespace file_manager | |
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Chromium Code Reviews
Issue 23945002:
file_manager: Move non-binding code to c/b/chromeos/file_manager (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src