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- // Copyright 2022 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.
- #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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