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`WindowsErrorResult` is a class to hold either a value or a Windows error code based on the `Result` template. We also have `LauncherResult` for the same purpose, which was introduced as a part of the launcher process feature afterward. The difference is `LauncherResult` holds a filename and line number along with an error code. This patch integrates LauncherResult.h into WinHeaderOnlyUtils.h so that we can use `LauncherResult` more broadly. Differential Revision: https://phabricator.services.mozilla.com/D44512 --HG-- extra : moz-landing-system : lando
87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_LauncherRegistryInfo_h
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#define mozilla_LauncherRegistryInfo_h
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#include "mozilla/Maybe.h"
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#include "mozilla/UniquePtr.h"
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#include "mozilla/WinHeaderOnlyUtils.h"
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#include "nsWindowsHelpers.h"
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#include <string>
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/**
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* We use std::wstring here because this code must be usable within both the
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* launcher process and Gecko itself.
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*/
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namespace mozilla {
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class LauncherRegistryInfo final {
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public:
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enum class ProcessType { Launcher, Browser };
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enum class EnabledState : uint32_t {
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Enabled = 0,
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FailDisabled = 1,
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ForceDisabled = 2,
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};
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enum class CheckOption {
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Default,
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Force,
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};
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LauncherRegistryInfo() : mBinPath(GetFullBinaryPath().get()) {}
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LauncherVoidResult ReflectPrefToRegistry(const bool aEnable);
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LauncherResult<EnabledState> IsEnabled();
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LauncherResult<bool> IsTelemetryEnabled();
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LauncherVoidResult ReflectTelemetryPrefToRegistry(const bool aEnable);
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LauncherResult<ProcessType> Check(
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const ProcessType aDesiredType,
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const CheckOption aOption = CheckOption::Default);
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LauncherVoidResult DisableDueToFailure();
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private:
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enum class Disposition { CreatedNew, OpenedExisting };
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private:
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LauncherResult<Disposition> Open();
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LauncherVoidResult WriteStartTimestamp(
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ProcessType aProcessType, const Maybe<uint64_t>& aValue = Nothing());
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LauncherResult<DWORD> GetCurrentImageTimestamp();
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LauncherVoidResult WriteImageTimestamp(DWORD aTimestamp);
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LauncherResult<bool> ClearStartTimestamp(ProcessType aProcessType);
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LauncherVoidResult ClearStartTimestamps();
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LauncherResult<DWORD> GetSavedImageTimestamp();
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LauncherResult<uint64_t> GetStartTimestamp(ProcessType aProcessType);
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LauncherResult<bool> GetTelemetrySetting();
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LauncherResult<std::wstring> ResolveValueName(ProcessType aProcessType);
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std::wstring ResolveImageTimestampValueName();
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std::wstring ResolveTelemetryValueName();
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private:
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nsAutoRegKey mRegKey;
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std::wstring mBinPath;
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std::wstring mImageValueName;
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std::wstring mBrowserValueName;
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std::wstring mLauncherValueName;
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std::wstring mTelemetryValueName;
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static const wchar_t kLauncherSubKeyPath[];
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static const wchar_t kLauncherSuffix[];
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static const wchar_t kBrowserSuffix[];
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static const wchar_t kImageTimestampSuffix[];
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static const wchar_t kTelemetrySuffix[];
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};
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} // namespace mozilla
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#endif // mozilla_LauncherRegistryInfo_h
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