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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.
// This file defines utility functions that can report details about the
// host operating environment.
#include <windows.h>
#include <string>
#include "base/strings/string16.h"
namespace sandbox {
struct SandboxInterfaceInfo;
// Gets the path of the current exe with a trailing backslash.
base::string16 GetExecutablePath();
// Returns the version in the current module's version resource or the empty
// string if none found.
base::string16 GetCurrentModuleVersion();
// Implements the common aspects of loading the main dll for both chrome and
// chromium scenarios, which are in charge of implementing two abstract
// methods: GetRegistryPath() and OnBeforeLaunch().
class MainDllLoader {
virtual ~MainDllLoader();
// Loads and calls the entry point of chrome.dll. |instance| is the exe
// instance retrieved from wWinMain.
// The return value is what the main entry point of chrome.dll returns
// upon termination.
int Launch(HINSTANCE instance);
// Launches a new instance of the browser if the current instance in
// persistent mode an upgrade is detected.
void RelaunchChromeBrowserWithNewCommandLineIfNeeded();
// Called after chrome.dll has been loaded but before the entry point
// is invoked. Derived classes can implement custom actions here.
// |dll_path| refers to the path of the Chrome dll being loaded.
virtual void OnBeforeLaunch(const base::string16& dll_path) = 0;
// Called after the chrome.dll entry point returns and before terminating
// this process. The return value will be used as the process return code.
// |dll_path| refers to the path of the Chrome dll being loaded.
virtual int OnBeforeExit(int return_code, const base::string16& dll_path) = 0;
HMODULE Load(base::string16* version, base::string16* out_file);
std::string process_type_;
const bool metro_mode_;
// Factory for the MainDllLoader. Caller owns the pointer and should call
// delete to free it.
MainDllLoader* MakeMainDllLoader();