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// Copyright (c) 2008 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/greasemonkey_master.h"
#include <vector>
#include "base/file_util.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/pickle.h"
#include "base/string_util.h"
#include "chrome/common/chrome_paths.h"
#include "googleurl/src/gurl.h"
#include "net/base/net_util.h"
bool GreasemonkeyMaster::UpdateScripts() {
std::vector<std::wstring> scripts;
std::wstring path;
PathService::Get(chrome::DIR_USER_SCRIPTS, &path);
file_util::FileEnumerator enumerator(path, false,
file_util::FileEnumerator::FILES,
L"*.user.js");
for (std::wstring file = enumerator.Next(); !file.empty();
file = enumerator.Next()) {
scripts.push_back(file);
}
// Pickle scripts data.
Pickle pickle;
pickle.WriteSize(scripts.size());
for (std::vector<std::wstring>::iterator path = scripts.begin();
path != scripts.end(); ++path) {
std::string file_url = net::FilePathToFileURL(*path).spec();
std::string contents;
// TODO(aa): Support unicode script files.
file_util::ReadFileToString(*path, &contents);
// Write scripts as 'data' so that we can read it out in the slave without
// allocating a new string.
pickle.WriteData(file_url.c_str(), file_url.length());
pickle.WriteData(contents.c_str(), contents.length());
}
// Create the shared memory object.
scoped_ptr<SharedMemory> temp_shared_memory(new SharedMemory());
if (!temp_shared_memory.get()) {
return false;
}
shared_memory_serial_++;
if (!temp_shared_memory->Create(std::wstring(), // anonymous
false, // read-only
false, // open existing
pickle.size())) {
return false;
}
// Map into our process.
if (!temp_shared_memory->Map(pickle.size())) {
return false;
}
// Copy the pickle to shared memory.
memcpy(temp_shared_memory->memory(), pickle.data(), pickle.size());
shared_memory_.reset(temp_shared_memory.release());
return true;
}
bool GreasemonkeyMaster::ShareToProcess(ProcessHandle process,
SharedMemoryHandle* new_handle) {
if (shared_memory_.get())
return shared_memory_->ShareToProcess(process, new_handle);
NOTREACHED();
return false;
}
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