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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 http://mozilla.org/MPL/2.0/. */
#include <windows.h>
#include "nsCOMPtr.h"
#include "nsWindowsRegKey.h"
#include "mozilla/RefPtr.h"
#include "mozilla/widget/WinRegistry.h"
//-----------------------------------------------------------------------------
using namespace mozilla::widget;
class nsWindowsRegKey final : public nsIWindowsRegKey {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIWINDOWSREGKEY
nsWindowsRegKey() = default;
private:
~nsWindowsRegKey() = default;
WinRegistry::Key mKey;
};
NS_IMPL_ISUPPORTS(nsWindowsRegKey, nsIWindowsRegKey)
NS_IMETHODIMP
nsWindowsRegKey::Close() {
mKey = WinRegistry::Key();
return NS_OK;
}
NS_IMETHODIMP
nsWindowsRegKey::Open(uint32_t aRootKey, const nsAString& aPath,
uint32_t aMode) {
mKey = WinRegistry::Key((HKEY)(uintptr_t)(aRootKey), PromiseFlatString(aPath),
WinRegistry::KeyMode(aMode));
return mKey ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsWindowsRegKey::Create(uint32_t aRootKey, const nsAString& aPath,
uint32_t aMode) {
mKey =
WinRegistry::Key((HKEY)(uintptr_t)(aRootKey), PromiseFlatString(aPath),
WinRegistry::KeyMode(aMode), WinRegistry::Key::Create);
return mKey ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsWindowsRegKey::OpenChild(const nsAString& aPath, uint32_t aMode,
nsIWindowsRegKey** aResult) {
if (NS_WARN_IF(!mKey)) {
return NS_ERROR_NOT_INITIALIZED;
}
RefPtr<nsWindowsRegKey> child = new nsWindowsRegKey();
child->mKey = WinRegistry::Key(mKey, PromiseFlatString(aPath),
WinRegistry::KeyMode(aMode));
if (!child->mKey) {
return NS_ERROR_FAILURE;
}
child.forget(aResult);
return NS_OK;
}
NS_IMETHODIMP
nsWindowsRegKey::CreateChild(const nsAString& aPath, uint32_t aMode,
nsIWindowsRegKey** aResult) {
if (NS_WARN_IF(!mKey)) {
return NS_ERROR_NOT_INITIALIZED;
}
RefPtr<nsWindowsRegKey> child = new nsWindowsRegKey();
child->mKey =
WinRegistry::Key(mKey, PromiseFlatString(aPath),
WinRegistry::KeyMode(aMode), WinRegistry::Key::Create);
if (!child->mKey) {
return NS_ERROR_FAILURE;
}
child.forget(aResult);
return NS_OK;
}
NS_IMETHODIMP
nsWindowsRegKey::GetChildCount(uint32_t* aResult) {
if (NS_WARN_IF(!mKey)) {
return NS_ERROR_NOT_INITIALIZED;
}
*aResult = mKey.GetChildCount();
return NS_OK;
}
NS_IMETHODIMP
nsWindowsRegKey::GetChildName(uint32_t aIndex, nsAString& aResult) {
if (NS_WARN_IF(!mKey)) {
return NS_ERROR_NOT_INITIALIZED;
}
return mKey.GetChildName(aIndex, aResult) ? NS_OK : NS_ERROR_NOT_AVAILABLE;
}
NS_IMETHODIMP
nsWindowsRegKey::HasChild(const nsAString& aName, bool* aResult) {
if (NS_WARN_IF(!mKey)) {
return NS_ERROR_NOT_INITIALIZED;
}
// Check for the existence of a child key by opening the key with minimal
// rights. Perhaps there is a more efficient way to do this?
*aResult = !!WinRegistry::Key(mKey, PromiseFlatString(aName),
WinRegistry::KeyMode::Read);
return NS_OK;
}
NS_IMETHODIMP
nsWindowsRegKey::GetValueCount(uint32_t* aResult) {
if (NS_WARN_IF(!mKey)) {
return NS_ERROR_NOT_INITIALIZED;
}
*aResult = mKey.GetValueCount();
return NS_OK;
}
NS_IMETHODIMP
nsWindowsRegKey::GetValueName(uint32_t aIndex, nsAString& aResult) {
if (NS_WARN_IF(!mKey)) {
return NS_ERROR_NOT_INITIALIZED;
}
return mKey.GetValueName(aIndex, aResult) ? NS_OK : NS_ERROR_NOT_AVAILABLE;
}
NS_IMETHODIMP
nsWindowsRegKey::HasValue(const nsAString& aName, bool* aResult) {
if (NS_WARN_IF(!mKey)) {
return NS_ERROR_NOT_INITIALIZED;
}
*aResult = mKey.GetValueType(PromiseFlatString(aName)) !=
WinRegistry::ValueType::None;
return NS_OK;
}
NS_IMETHODIMP
nsWindowsRegKey::RemoveChild(const nsAString& aName) {
if (NS_WARN_IF(!mKey)) {
return NS_ERROR_NOT_INITIALIZED;
}
return mKey.RemoveChildKey(PromiseFlatString(aName)) ? NS_OK
: NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsWindowsRegKey::RemoveValue(const nsAString& aName) {
if (NS_WARN_IF(!mKey)) {
return NS_ERROR_NOT_INITIALIZED;
}
return mKey.RemoveValue(PromiseFlatString(aName)) ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsWindowsRegKey::GetValueType(const nsAString& aName, uint32_t* aResult) {
if (NS_WARN_IF(!mKey)) {
return NS_ERROR_NOT_INITIALIZED;
}
*aResult = uint32_t(mKey.GetValueType(PromiseFlatString(aName)));
return NS_OK;
}
NS_IMETHODIMP
nsWindowsRegKey::ReadStringValue(const nsAString& aName, nsAString& aResult) {
if (NS_WARN_IF(!mKey)) {
return NS_ERROR_NOT_INITIALIZED;
}
constexpr auto kFlags = WinRegistry::StringFlags::Sz |
WinRegistry::StringFlags::ExpandSz |
WinRegistry::StringFlags::LegacyMultiSz |
WinRegistry::StringFlags::ExpandEnvironment;
auto value = mKey.GetValueAsString(PromiseFlatString(aName), kFlags);
if (!value) {
return NS_ERROR_FAILURE;
}
aResult = value.extract();
return NS_OK;
}
NS_IMETHODIMP
nsWindowsRegKey::ReadIntValue(const nsAString& aName, uint32_t* aResult) {
if (NS_WARN_IF(!mKey)) {
return NS_ERROR_NOT_INITIALIZED;
}
auto value = mKey.GetValueAsDword(PromiseFlatString(aName));
if (!value) {
return NS_ERROR_FAILURE;
}
*aResult = value.extract();
return NS_OK;
}
NS_IMETHODIMP
nsWindowsRegKey::ReadInt64Value(const nsAString& aName, uint64_t* aResult) {
if (NS_WARN_IF(!mKey)) {
return NS_ERROR_NOT_INITIALIZED;
}
auto value = mKey.GetValueAsQword(PromiseFlatString(aName));
if (!value) {
return NS_ERROR_FAILURE;
}
*aResult = value.extract();
return NS_OK;
}
NS_IMETHODIMP
nsWindowsRegKey::ReadBinaryValue(const nsAString& aName, nsACString& aResult) {
if (NS_WARN_IF(!mKey)) {
return NS_ERROR_NOT_INITIALIZED;
}
auto value = mKey.GetValueAsBinary(PromiseFlatString(aName));
if (!value) {
return NS_ERROR_FAILURE;
}
nsTArray<uint8_t> data = value.extract();
if (!aResult.Assign((const char*)data.Elements(), data.Length(),
mozilla::fallible)) {
return NS_ERROR_OUT_OF_MEMORY;
}
return NS_OK;
}
NS_IMETHODIMP
nsWindowsRegKey::WriteStringValue(const nsAString& aName,
const nsAString& aValue) {
if (NS_WARN_IF(!mKey)) {
return NS_ERROR_NOT_INITIALIZED;
}
return mKey.WriteValueAsString(PromiseFlatString(aName),
PromiseFlatString(aValue))
? NS_OK
: NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsWindowsRegKey::WriteIntValue(const nsAString& aName, uint32_t aValue) {
if (NS_WARN_IF(!mKey)) {
return NS_ERROR_NOT_INITIALIZED;
}
return mKey.WriteValueAsDword(PromiseFlatString(aName), aValue)
? NS_OK
: NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsWindowsRegKey::WriteInt64Value(const nsAString& aName, uint64_t aValue) {
if (NS_WARN_IF(!mKey)) {
return NS_ERROR_NOT_INITIALIZED;
}
return mKey.WriteValueAsQword(PromiseFlatString(aName), aValue)
? NS_OK
: NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsWindowsRegKey::WriteBinaryValue(const nsAString& aName,
const nsACString& aValue) {
if (NS_WARN_IF(!mKey)) {
return NS_ERROR_NOT_INITIALIZED;
}
return mKey.WriteValueAsBinary(PromiseFlatString(aName), aValue)
? NS_OK
: NS_ERROR_FAILURE;
}
//-----------------------------------------------------------------------------
void NS_NewWindowsRegKey(nsIWindowsRegKey** aResult) {
RefPtr<nsWindowsRegKey> key = new nsWindowsRegKey();
key.forget(aResult);
}
//-----------------------------------------------------------------------------
nsresult nsWindowsRegKeyConstructor(const nsIID& aIID, void** aResult) {
nsCOMPtr<nsIWindowsRegKey> key;
NS_NewWindowsRegKey(getter_AddRefs(key));
return key->QueryInterface(aIID, aResult);
}
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