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// Copyright 2015 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/extensions/extension_install_error_menu_item_id_provider.h"
#include <bitset>
#include "base/lazy_instance.h"
#include "chrome/app/chrome_command_ids.h"
namespace extensions {
namespace {
base::LazyInstance<std::bitset<
IDC_EXTENSION_INSTALL_ERROR_LAST - IDC_EXTENSION_INSTALL_ERROR_FIRST + 1>>
menu_command_ids = LAZY_INSTANCE_INITIALIZER;
// Get an available menu ID.
int GetMenuCommandID() {
int id;
for (id = IDC_EXTENSION_INSTALL_ERROR_FIRST;
id <= IDC_EXTENSION_INSTALL_ERROR_LAST; ++id) {
if (!menu_command_ids.Get()[id - IDC_EXTENSION_INSTALL_ERROR_FIRST]) {
menu_command_ids.Get().set(id - IDC_EXTENSION_INSTALL_ERROR_FIRST);
return id;
}
}
// This should not happen.
DCHECK_LE(id, IDC_EXTENSION_INSTALL_ERROR_LAST)
<< "No available menu command IDs for ExtensionDisabledGlobalError";
return IDC_EXTENSION_INSTALL_ERROR_LAST;
}
// Make a menu ID available when it is no longer used.
void ReleaseMenuCommandID(int id) {
menu_command_ids.Get().reset(id - IDC_EXTENSION_INSTALL_ERROR_FIRST);
}
} // namespace
ExtensionInstallErrorMenuItemIdProvider::
ExtensionInstallErrorMenuItemIdProvider()
: menu_command_id_(GetMenuCommandID()) {}
ExtensionInstallErrorMenuItemIdProvider::
~ExtensionInstallErrorMenuItemIdProvider() {
ReleaseMenuCommandID(menu_command_id_);
}
} // namespace extensions
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