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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/win/default_apps_util.h"
#include <shobjidl.h>
#include <wrl/client.h>
#include "base/logging.h"
#include "base/strings/strcat.h"
#include "base/strings/string_util.h"
#include "base/win/windows_version.h"
namespace {
// Returns the target used as a activate parameter when opening the settings
// pointing to the page that is the most relevant to a user trying to change the
// default handler for `protocol`.
std::wstring GetTargetForDefaultAppsSettings(base::WStringPiece protocol) {
static constexpr base::WStringPiece kSystemSettingsDefaultAppsPrefix(
L"SystemSettings_DefaultApps_");
if (base::EqualsCaseInsensitiveASCII(protocol, L"http"))
return base::StrCat({kSystemSettingsDefaultAppsPrefix, L"Browser"});
if (base::EqualsCaseInsensitiveASCII(protocol, L"mailto"))
return base::StrCat({kSystemSettingsDefaultAppsPrefix, L"Email"});
return L"SettingsPageAppsDefaultsProtocolView";
}
} // namespace
namespace base::win {
bool CanLaunchDefaultAppsSettingsModernDialog() {
return GetVersion() >= Version::WIN8;
}
bool LaunchDefaultAppsSettingsModernDialog(base::WStringPiece protocol) {
// The appModelId looks arbitrary but it is the same in Win8 and Win10. There
// is no easy way to retrieve the appModelId from the registry.
static constexpr wchar_t kControlPanelAppModelId[] =
L"windows.immersivecontrolpanel_cw5n1h2txyewy"
L"!microsoft.windows.immersivecontrolpanel";
if (!CanLaunchDefaultAppsSettingsModernDialog())
return false;
Microsoft::WRL::ComPtr<IApplicationActivationManager> activator;
HRESULT hr = ::CoCreateInstance(CLSID_ApplicationActivationManager, nullptr,
CLSCTX_ALL, IID_PPV_ARGS(&activator));
if (FAILED(hr))
return false;
DWORD pid = 0;
CoAllowSetForegroundWindow(activator.Get(), nullptr);
hr = activator->ActivateApplication(
kControlPanelAppModelId, L"page=SettingsPageAppsDefaults", AO_NONE, &pid);
if (FAILED(hr))
return false;
if (protocol.empty())
return true;
hr = activator->ActivateApplication(
kControlPanelAppModelId,
base::StrCat({L"page=SettingsPageAppsDefaults&target=",
GetTargetForDefaultAppsSettings(protocol)})
.c_str(),
AO_NONE, &pid);
return SUCCEEDED(hr);
}
} // namespace base::win
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