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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
#ifndef mozilla_LauncherRegistryInfo_h
#define mozilla_LauncherRegistryInfo_h
#include "mozilla/Maybe.h"
#include "mozilla/WinHeaderOnlyUtils.h"
#include "nsWindowsHelpers.h"
#include <string>
/**
* We use std::wstring here because this code must be usable within both the
* launcher process and Gecko itself.
*/
namespace mozilla {
class LauncherRegistryInfo final {
public:
enum class ProcessType { Launcher, Browser };
enum class EnabledState {
Enabled,
FailDisabled,
ForceDisabled,
};
enum class CheckOption {
Default,
Force,
};
LauncherRegistryInfo() : mBinPath(GetFullBinaryPath().get()) {}
~LauncherRegistryInfo() { Abort(); }
LauncherVoidResult ReflectPrefToRegistry(const bool aEnable);
LauncherResult<EnabledState> IsEnabled();
LauncherResult<bool> IsTelemetryEnabled();
LauncherVoidResult ReflectTelemetryPrefToRegistry(const bool aEnable);
LauncherResult<ProcessType> Check(
const ProcessType aDesiredType,
const CheckOption aOption = CheckOption::Default);
LauncherVoidResult DisableDueToFailure();
LauncherVoidResult Commit();
void Abort();
private:
enum class Disposition { CreatedNew, OpenedExisting };
private:
// This flag is to prevent the disabled state from being accidentally
// re-enabled by another instance.
static bool sAllowCommit;
static EnabledState GetEnabledState(const Maybe<uint64_t>& aLauncherTs,
const Maybe<uint64_t>& aBrowserTs);
LauncherResult<Disposition> Open();
LauncherVoidResult WriteLauncherStartTimestamp(uint64_t aValue);
LauncherVoidResult WriteBrowserStartTimestamp(uint64_t aValue);
LauncherVoidResult WriteImageTimestamp(DWORD aTimestamp);
LauncherResult<bool> ClearLauncherStartTimestamp();
LauncherResult<bool> ClearBrowserStartTimestamp();
LauncherVoidResult ClearStartTimestamps();
LauncherResult<Maybe<DWORD>> GetSavedImageTimestamp();
LauncherResult<Maybe<uint64_t>> GetLauncherStartTimestamp();
LauncherResult<Maybe<uint64_t>> GetBrowserStartTimestamp();
const std::wstring& ResolveLauncherValueName();
const std::wstring& ResolveBrowserValueName();
const std::wstring& ResolveImageTimestampValueName();
const std::wstring& ResolveTelemetryValueName();
private:
Maybe<uint64_t> mLauncherTimestampToWrite;
Maybe<uint64_t> mBrowserTimestampToWrite;
nsAutoRegKey mRegKey;
std::wstring mBinPath;
std::wstring mImageValueName;
std::wstring mBrowserValueName;
std::wstring mLauncherValueName;
std::wstring mTelemetryValueName;
static const wchar_t kLauncherSubKeyPath[];
static const wchar_t kLauncherSuffix[];
static const wchar_t kBrowserSuffix[];
static const wchar_t kImageTimestampSuffix[];
static const wchar_t kTelemetrySuffix[];
};
} // namespace mozilla
#endif // mozilla_LauncherRegistryInfo_h
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