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// Copyright (c) 2012 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.
#include "chrome/browser/chromeos/extensions/zip_file_creator.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/file_util_proxy.h"
#include "base/memory/scoped_handle.h"
#include "base/message_loop.h"
#include "base/path_service.h"
#include "base/threading/sequenced_worker_pool.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/chrome_utility_messages.h"
#include "chrome/common/extensions/extension_file_util.h"
#include "chrome/common/extensions/extension_manifest_constants.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/utility_process_host.h"
#include "grit/generated_resources.h"
using content::BrowserThread;
using content::UtilityProcessHost;
namespace extensions {
ZipFileCreator::ZipFileCreator(
Observer* observer,
const FilePath& src_dir,
const std::vector<FilePath>& src_relative_paths,
const FilePath& dest_file)
: thread_identifier_(BrowserThread::ID_COUNT),
observer_(observer),
src_dir_(src_dir),
src_relative_paths_(src_relative_paths),
dest_file_(dest_file) {
}
void ZipFileCreator::Start() {
CHECK(BrowserThread::GetCurrentThreadIdentifier(&thread_identifier_));
BrowserThread::GetBlockingPool()->PostTask(
FROM_HERE,
base::Bind(&ZipFileCreator::OpenFileHandleOnBlockingThreadPool, this));
}
ZipFileCreator::~ZipFileCreator() {
}
bool ZipFileCreator::OnMessageReceived(const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(ZipFileCreator, message)
IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_CreateZipFile_Succeeded,
OnCreateZipFileSucceeded)
IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_CreateZipFile_Failed,
OnCreateZipFileFailed)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void ZipFileCreator::OnProcessCrashed(int exit_code) {
// Don't report crashes if they happen after we got a response.
if (got_response_)
return;
// Utility process crashed while trying to create the zip file.
ReportDone(false);
}
void ZipFileCreator::OpenFileHandleOnBlockingThreadPool() {
// Create the destination zip file only if it does not already exist.
int flags = base::PLATFORM_FILE_CREATE | base::PLATFORM_FILE_WRITE;
base::PlatformFileError error_code = base::PLATFORM_FILE_OK;
base::PlatformFile dest_file =
base::CreatePlatformFile(dest_file_, flags, NULL, &error_code);
if (error_code != base::PLATFORM_FILE_OK) {
LOG(ERROR) << "Failed to create dest zip file " << dest_file_.value();
ReportDone(false);
return;
}
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&ZipFileCreator::StartProcessOnIOThread, this, dest_file));
}
void ZipFileCreator::StartProcessOnIOThread(base::PlatformFile dest_file) {
base::FileDescriptor dest_fd;
dest_fd.fd = dest_file;
dest_fd.auto_close = true;
UtilityProcessHost* host = UtilityProcessHost::Create(
this, BrowserThread::GetMessageLoopProxyForThread(thread_identifier_));
host->Send(new ChromeUtilityMsg_CreateZipFile(src_dir_, src_relative_paths_,
dest_fd));
}
void ZipFileCreator::OnCreateZipFileSucceeded() {
// Skip check for unittests.
if (thread_identifier_ != BrowserThread::ID_COUNT)
CHECK(BrowserThread::CurrentlyOn(thread_identifier_));
got_response_ = true;
ReportDone(true);
}
void ZipFileCreator::OnCreateZipFileFailed() {
// Skip check for unittests.
if (thread_identifier_ != BrowserThread::ID_COUNT)
CHECK(BrowserThread::CurrentlyOn(thread_identifier_));
got_response_ = true;
ReportDone(false);
}
void ZipFileCreator::ReportDone(bool success) {
observer_->OnZipDone(success);
}
} // namespace extensions
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