Handle toast activations by COM activator.

2025-04-19 07:37:11 +02:00 · 2021-10-05 22:37:34 +04:00 · 2021-10-05 22:37:34 +04:00 · e7cf560da0
commit e7cf560da0
parent 86e07518ad
16 changed files with 511 additions and 135 deletions
--- a/Telegram/CMakeLists.txt
+++ b/Telegram/CMakeLists.txt
@ -42,7 +42,10 @@ include(cmake/generate_appdata_changelog.cmake)

 if (WIN32)
    include(cmake/generate_midl.cmake)
-    generate_midl(Telegram ${src_loc}/platform/win/windows_quiethours.idl)
+    generate_midl(Telegram ${src_loc}
+        platform/win/windows_quiethours.idl
+        platform/win/windows_toastactivator.idl
+    )

    nuget_add_winrt(Telegram)
 endif()
@ -950,6 +953,8 @@ PRIVATE
    platform/win/windows_dlls.h
    platform/win/windows_event_filter.cpp
    platform/win/windows_event_filter.h
+    platform/win/windows_toast_activator.cpp
+    platform/win/windows_toast_activator.h
    platform/platform_audio.h
    platform/platform_file_utilities.h
    platform/platform_launcher.h
@ -1384,6 +1389,7 @@ if (WIN32)
        /DELAYLOAD:netapi32.dll
        /DELAYLOAD:userenv.dll
        /DELAYLOAD:wtsapi32.dll
+        /DELAYLOAD:propsys.dll
    )
 endif()

--- a/Telegram/SourceFiles/platform/win/main_window_win.cpp
+++ b/Telegram/SourceFiles/platform/win/main_window_win.cpp
@ -390,11 +390,12 @@ void MainWindow::initHook() {
 	using namespace base::Platform;
 	auto factory = ComPtr<IUIViewSettingsInterop>();
 	if (SupportsWRL()) {
-		GetActivationFactory(
+		ABI::Windows::Foundation::GetActivationFactory(
 			StringReferenceWrapper(
 				RuntimeClass_Windows_UI_ViewManagement_UIViewSettings).Get(),
 			&factory);
 		if (factory) {
+			// NB! No such method (or IUIViewSettingsInterop) in C++/WinRT :(
 			factory->GetForWindow(
 				ps_hWnd,
 				IID_PPV_ARGS(&_private->viewSettings));
--- a/Telegram/SourceFiles/platform/win/notifications_manager_win.cpp
+++ b/Telegram/SourceFiles/platform/win/notifications_manager_win.cpp
@ -12,7 +12,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/platform/win/base_windows_co_task_mem.h"
 #include "base/platform/win/base_windows_winrt.h"
 #include "base/platform/base_platform_info.h"
+#include "base/platform/win/wrl/wrl_module_h.h"
+#include "base/qthelp_url.h"
 #include "platform/win/windows_app_user_model_id.h"
+#include "platform/win/windows_toast_activator.h"
 #include "platform/win/windows_event_filter.h"
 #include "platform/win/windows_dlls.h"
 #include "history/history.h"
@ -48,8 +51,10 @@ namespace Notifications {
 #ifndef __MINGW32__
 namespace {

-constexpr auto kNotificationTemplate = LR"(
-<toast launch="action=open">
+[[nodiscard]] std::wstring NotificationTemplate(QString id) {
+	const auto wid = id.replace('&', "&amp;").toStdWString();
+	return LR"(
+<toast launch="action=open&amp;)" + wid + LR"(">
 	<visual>
 		<binding template="ToastGeneric">
 			<image placement="appLogoOverride" hint-crop="circle" src=""/>
@ -62,17 +67,24 @@ constexpr auto kNotificationTemplate = LR"(
 		<input id="fastReply" type="text" placeHolderContent=""/>
 		<action
 			content="Send"
-			arguments="action=reply"
+			arguments="action=reply&amp;)" + wid + LR"("
 			activationType="background"
 			imageUri=""
 			hint-inputId="fastReply"/>
+        <action
+            content=""
+            arguments="action=mark&amp;)" + wid + LR"("
+            activationType="background"/>
 	</actions>
 	<audio silent="true"/>
 </toast>
 )";
+}

-constexpr auto kNotificationTemplateSmall = LR"(
-<toast launch="action=open">
+[[nodiscard]] std::wstring NotificationTemplateSmall(QString id) {
+	const auto wid = id.replace('&', "&amp;").toStdWString();
+	return LR"(
+<toast launch="action=open&amp;)" + wid + LR"(">
 	<visual>
 		<binding template="ToastGeneric">
 			<image placement="appLogoOverride" hint-crop="circle" src=""/>
@ -84,17 +96,21 @@ constexpr auto kNotificationTemplateSmall = LR"(
 	<audio silent="true"/>
 </toast>
 )";
+}

 bool init() {
 	if (!IsWindows8OrGreater()) {
 		return false;
 	}
 	if ((Dlls::SetCurrentProcessExplicitAppUserModelID == nullptr)
-		|| (Dlls::PropVariantToString == nullptr)
 		|| !base::WinRT::Supported()) {
 		return false;
 	}

+	{
+		using namespace Microsoft::WRL;
+		Module<OutOfProc>::GetModule().RegisterObjects();
+	}
 	if (!AppUserModelId::validateShortcut()) {
 		return false;
 	}
@ -159,6 +175,26 @@ void SetReplyPlaceholder(
 		placeholder);
 }

+// Throws.
+void SetAction(const XmlDocument &toastXml, const QString &id) {
+	auto nodeList = toastXml.GetElementsByTagName(L"toast");
+	if (const auto toast = nodeList.Item(0).try_as<XmlElement>()) {
+		toast.SetAttribute(L"launch", L"action=open&" + id.toStdWString());
+	}
+}
+
+// Throws.
+void SetMarkAsReadText(
+		const XmlDocument &toastXml,
+		const std::wstring &text) {
+	const auto nodeList = toastXml.GetElementsByTagName(L"action");
+	const auto attributes = nodeList.Item(1).Attributes();
+	return SetNodeValueString(
+		toastXml,
+		attributes.GetNamedItem(L"content"),
+		text);
+}
+
 auto Checked = false;
 auto InitSucceeded = false;

@ -387,6 +423,8 @@ public:
 		not_null<Window::SessionController*> window);
 	void clearNotification(NotificationId id);

+	void handleActivation(const ToastActivation &activation);
+
 	~Private();

 private:
@ -410,12 +448,17 @@ private:
 	base::flat_map<
 		FullPeer,
 		base::flat_map<MsgId, ToastNotification>> _notifications;
+	rpl::lifetime _lifetime;

 };

 Manager::Private::Private(Manager *instance, Type type)
 : _cachedUserpics(type)
 , _guarded(std::make_shared<Manager*>(instance)) {
+	ToastActivations(
+	) | rpl::start_with_next([=](const ToastActivation &activation) {
+		handleActivation(activation);
+	}, _lifetime);
 }

 bool Manager::Private::init() {
@ -503,6 +546,40 @@ void Manager::Private::clearNotification(NotificationId id) {
 	}
 }

+void Manager::Private::handleActivation(const ToastActivation &activation) {
+	const auto parsed = qthelp::url_parse_params(activation.args);
+	const auto action = parsed.value("action");
+	const auto id = NotificationId{
+		.full = FullPeer{
+			.sessionId = parsed.value("s").toULongLong(),
+			.peerId = PeerId(parsed.value("p").toULongLong()),
+		},
+		.msgId = MsgId(parsed.value("m").toLongLong()),
+	};
+	if (!id.full.sessionId || !id.full.peerId || !id.msgId) {
+		return;
+	}
+	auto text = TextWithTags();
+	for (const auto &entry : activation.input) {
+		if (entry.key == "fastReply") {
+			text.text = entry.value;
+		}
+	}
+	const auto i = _notifications.find(id.full);
+	if (i == _notifications.cend() || !i->second.contains(id.msgId)) {
+		return;
+	}
+
+	const auto manager = *_guarded;
+	if (action == "reply") {
+		manager->notificationReplied(id, text);
+	} else if (action == "mark") {
+		manager->notificationReplied(id, TextWithTags());
+	} else {
+		manager->notificationActivated(id, text);
+	}
+}
+
 bool Manager::Private::showNotification(
 		not_null<PeerData*> peer,
 		std::shared_ptr<Data::CloudImageView> &userpicView,
@ -549,17 +626,32 @@ bool Manager::Private::showNotificationInTryCatch(
 		bool hideReplyButton) {
 	const auto withSubtitle = !subtitle.isEmpty();
 	auto toastXml = XmlDocument();
+
+	const auto key = FullPeer{
+		.sessionId = peer->session().uniqueId(),
+		.peerId = peer->id,
+	};
+	const auto notificationId = NotificationId{
+		.full = key,
+		.msgId = msgId
+	};
+	const auto idString = u"s=%1&p=%2&m=%3"_q
+		.arg(key.sessionId)
+		.arg(key.peerId.value)
+		.arg(msgId.bare);
+
 	const auto modern = Platform::IsWindows10OrGreater();
 	if (modern) {
 		toastXml.LoadXml(hideReplyButton
-			? kNotificationTemplateSmall
-			: kNotificationTemplate);
+			? NotificationTemplateSmall(idString)
+			: NotificationTemplate(idString));
 	} else {
 		toastXml = ToastNotificationManager::GetTemplateContent(
 			(withSubtitle
 				? ToastTemplateType::ToastImageAndText04
 				: ToastTemplateType::ToastImageAndText02));
 		SetAudioSilent(toastXml);
+		SetAction(toastXml, idString);
 	}

 	const auto userpicKey = hideNameAndPhoto
@ -576,6 +668,9 @@ bool Manager::Private::showNotificationInTryCatch(
 		SetReplyPlaceholder(
 			toastXml,
 			tr::lng_message_ph(tr::now).toStdWString());
+		SetMarkAsReadText(
+			toastXml,
+			tr::lng_context_mark_read(tr::now).toStdWString());
 	}

 	SetImageSrc(toastXml, userpicPathWide);
@ -604,44 +699,30 @@ bool Manager::Private::showNotificationInTryCatch(
 		});
 	};

-	const auto key = FullPeer{
-		.sessionId = peer->session().uniqueId(),
-		.peerId = peer->id,
-	};
-	const auto notificationId = NotificationId{
-		.full = key,
-		.msgId = msgId
-	};
-
 	auto toast = ToastNotification(toastXml);
 	const auto token1 = toast.Activated([=](
 			const ToastNotification &sender,
 			const winrt::Windows::Foundation::IInspectable &object) {
+		auto activation = ToastActivation();
+		const auto string = &ToastActivation::String;
 		if (const auto args = object.try_as<ToastActivatedEventArgs>()) {
-			const auto arguments = args.Arguments();
-			const auto userInput = args.UserInput();
-			if (arguments == L"action=reply") {
-				const auto reply = userInput.TryLookup(L"fastReply");
-				const auto data = reply.try_as<IReference<winrt::hstring>>();
-				auto text = data
-					? QString::fromWCharArray(data.GetString().c_str())
-					: QString();
-				if (text.indexOf(QChar('\n')) < 0) {
-					text.replace(QChar('\r'), QChar('\n'));
-				}
-				performOnMainQueue([notificationId, text](Manager *manager) {
-					manager->notificationReplied(notificationId, { text });
-				});
-			} else {
-				performOnMainQueue([notificationId](Manager *manager) {
-					manager->notificationActivated(notificationId);
+			activation.args = string(args.Arguments().c_str());
+			const auto reply = args.UserInput().TryLookup(L"fastReply");
+			const auto data = reply.try_as<IReference<winrt::hstring>>();
+			if (data) {
+				activation.input.push_back({
+					.key = u"fastReply"_q,
+					.value = string(data.GetString().c_str()),
 				});
 			}
 		} else {
-			performOnMainQueue([notificationId](Manager *manager) {
-				manager->notificationActivated(notificationId);
-			});
+			activation.args = "action=open&" + idString;
 		}
+		crl::on_main([=, activation = std::move(activation)]() mutable {
+			if (const auto strong = weak.lock()) {
+				(*strong)->handleActivation(activation);
+			}
+		});
 	});
 	const auto token2 = toast.Dismissed([=](
 			const ToastNotification &sender,
@ -705,6 +786,10 @@ void Manager::clearNotification(NotificationId id) {
 	_private->clearNotification(id);
 }

+void Manager::handleActivation(const ToastActivation &activation) {
+	_private->handleActivation(activation);
+}
+
 Manager::~Manager() = default;

 void Manager::doShowNativeNotification(
--- a/Telegram/SourceFiles/platform/win/notifications_manager_win.h
+++ b/Telegram/SourceFiles/platform/win/notifications_manager_win.h
@ -9,6 +9,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL

 #include "platform/platform_notifications_manager.h"

+struct ToastActivation;
+
 namespace Platform {
 namespace Notifications {

@ -22,6 +24,8 @@ public:
 	bool init();
 	void clearNotification(NotificationId id);

+	void handleActivation(const ToastActivation &activation);
+
 protected:
 	void doShowNativeNotification(
 		not_null<PeerData*> peer,
--- a/Telegram/SourceFiles/platform/win/specific_win.cpp
+++ b/Telegram/SourceFiles/platform/win/specific_win.cpp
@ -33,9 +33,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include <ShObjIdl_core.h>
 #include <shellapi.h>

-#include <roapi.h>
-#include <wrl/client.h>
-
 #include <openssl/conf.h>
 #include <openssl/engine.h>
 #include <openssl/err.h>
@ -68,7 +65,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #define WM_NCPOINTERUP 0x0243
 #endif

-using namespace Microsoft::WRL;
 using namespace Platform;

 namespace {
@ -422,17 +418,17 @@ namespace {
 namespace Platform {

 PermissionStatus GetPermissionStatus(PermissionType type) {
-	if (type==PermissionType::Microphone) {
-		PermissionStatus result=PermissionStatus::Granted;
+	if (type == PermissionType::Microphone) {
+		PermissionStatus result = PermissionStatus::Granted;
 		HKEY hKey;
-		LSTATUS res=RegOpenKeyEx(HKEY_CURRENT_USER, L"Software\\Microsoft\\Windows\\CurrentVersion\\CapabilityAccessManager\\ConsentStore\\microphone", 0, KEY_QUERY_VALUE, &hKey);
-		if(res==ERROR_SUCCESS) {
+		LSTATUS res = RegOpenKeyEx(HKEY_CURRENT_USER, L"Software\\Microsoft\\Windows\\CurrentVersion\\CapabilityAccessManager\\ConsentStore\\microphone", 0, KEY_QUERY_VALUE, &hKey);
+		if (res == ERROR_SUCCESS) {
 			wchar_t buf[20];
-			DWORD length=sizeof(buf);
-			res=RegQueryValueEx(hKey, L"Value", NULL, NULL, (LPBYTE)buf, &length);
-			if(res==ERROR_SUCCESS) {
-				if(wcscmp(buf, L"Deny")==0) {
-					result=PermissionStatus::Denied;
+			DWORD length = sizeof(buf);
+			res = RegQueryValueEx(hKey, L"Value", NULL, NULL, (LPBYTE)buf, &length);
+			if (res == ERROR_SUCCESS) {
+				if (wcscmp(buf, L"Deny") == 0) {
+					result = PermissionStatus::Denied;
 				}
 			}
 			RegCloseKey(hKey);
@ -498,20 +494,17 @@ void _manageAppLnk(bool create, bool silent, int path_csidl, const wchar_t *args
 	if (SUCCEEDED(hr)) {
 		QString lnk = QString::fromWCharArray(startupFolder) + '\\' + AppFile.utf16() + qsl(".lnk");
 		if (create) {
-			ComPtr<IShellLink> shellLink;
-			hr = CoCreateInstance(CLSID_ShellLink, nullptr, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&shellLink));
-			if (SUCCEEDED(hr)) {
-				ComPtr<IPersistFile> persistFile;
-
+			const auto shellLink = base::WinRT::TryCreateInstance<IShellLink>(
+				CLSID_ShellLink,
+				CLSCTX_INPROC_SERVER);
+			if (shellLink) {
 				QString exe = QDir::toNativeSeparators(cExeDir() + cExeName()), dir = QDir::toNativeSeparators(QDir(cWorkingDir()).absolutePath());
 				shellLink->SetArguments(args);
 				shellLink->SetPath(exe.toStdWString().c_str());
 				shellLink->SetWorkingDirectory(dir.toStdWString().c_str());
 				shellLink->SetDescription(description);

-				ComPtr<IPropertyStore> propertyStore;
-				hr = shellLink.As(&propertyStore);
-				if (SUCCEEDED(hr)) {
+				if (const auto propertyStore = shellLink.try_as<IPropertyStore>()) {
 					PROPVARIANT appIdPropVar;
 					hr = InitPropVariantFromString(AppUserModelId::getId(), &appIdPropVar);
 					if (SUCCEEDED(hr)) {
@ -523,8 +516,7 @@ void _manageAppLnk(bool create, bool silent, int path_csidl, const wchar_t *args
 					}
 				}

-				hr = shellLink.As(&persistFile);
-				if (SUCCEEDED(hr)) {
+				if (const auto persistFile = shellLink.try_as<IPersistFile>()) {
 					hr = persistFile->Save(lnk.toStdWString().c_str(), TRUE);
 				} else {
 					if (!silent) LOG(("App Error: could not create interface IID_IPersistFile %1").arg(hr));
--- a/Telegram/SourceFiles/platform/win/windows_app_user_model_id.cpp
+++ b/Telegram/SourceFiles/platform/win/windows_app_user_model_id.cpp
@ -8,12 +8,12 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "platform/win/windows_app_user_model_id.h"

 #include "platform/win/windows_dlls.h"
+#include "platform/win/windows_toast_activator.h"
+#include "base/platform/win/base_windows_wrl.h"
+
 #include <propvarutil.h>
 #include <propkey.h>

-#include <roapi.h>
-#include <wrl/client.h>
-
 using namespace Microsoft::WRL;

 namespace Platform {
@ -22,6 +22,7 @@ namespace {

 const PROPERTYKEY pkey_AppUserModel_ID = { { 0x9F4C2855, 0x9F79, 0x4B39, { 0xA8, 0xD0, 0xE1, 0xD4, 0x2D, 0xE1, 0xD5, 0xF3 } }, 5 };
 const PROPERTYKEY pkey_AppUserModel_StartPinOption = { { 0x9F4C2855, 0x9F79, 0x4B39, { 0xA8, 0xD0, 0xE1, 0xD4, 0x2D, 0xE1, 0xD5, 0xF3 } }, 12 };
+const PROPERTYKEY pkey_AppUserModel_ToastActivator = { { 0x9F4C2855, 0x9F79, 0x4B39, { 0xA8, 0xD0, 0xE1, 0xD4, 0x2D, 0xE1, 0xD5, 0xF3 } }, 26 };

 #ifdef OS_WIN_STORE
 const WCHAR AppUserModelIdRelease[] = L"Telegram.TelegramDesktop.Store";
@ -36,15 +37,14 @@ QString pinnedPath() {
 	static const int maxFileLen = MAX_PATH * 10;
 	WCHAR wstrPath[maxFileLen];
 	if (GetEnvironmentVariable(L"APPDATA", wstrPath, maxFileLen)) {
-		QDir appData(QString::fromStdWString(std::wstring(wstrPath)));
-		return appData.absolutePath() + qsl("/Microsoft/Internet Explorer/Quick Launch/User Pinned/TaskBar/");
+		auto appData = QDir(QString::fromStdWString(std::wstring(wstrPath)));
+		return appData.absolutePath()
+			+ u"/Microsoft/Internet Explorer/Quick Launch/User Pinned/TaskBar/"_q;
 	}
 	return QString();
 }

 void checkPinned() {
-	if (!Dlls::PropVariantToString) return;
-
 	static const int maxFileLen = MAX_PATH * 10;

 	HRESULT hr = CoInitialize(0);
@ -56,14 +56,27 @@ void checkPinned() {
 	WCHAR src[MAX_PATH];
 	GetModuleFileName(GetModuleHandle(0), src, MAX_PATH);
 	BY_HANDLE_FILE_INFORMATION srcinfo = { 0 };
-	HANDLE srcfile = CreateFile(src, 0x00, 0x00, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+	HANDLE srcfile = CreateFile(
+		src,
+		0x00,
+		0x00,
+		NULL,
+		OPEN_EXISTING,
+		FILE_ATTRIBUTE_NORMAL,
+		NULL);
 	if (srcfile == INVALID_HANDLE_VALUE) return;
 	BOOL srcres = GetFileInformationByHandle(srcfile, &srcinfo);
 	CloseHandle(srcfile);
 	if (!srcres) return;
 	LOG(("Checking..."));
 	WIN32_FIND_DATA findData;
-	HANDLE findHandle = FindFirstFileEx((p + L"*").c_str(), FindExInfoStandard, &findData, FindExSearchNameMatch, 0, 0);
+	HANDLE findHandle = FindFirstFileEx(
+		(p + L"*").c_str(),
+		FindExInfoStandard,
+		&findData,
+		FindExSearchNameMatch,
+		0,
+		0);
 	if (findHandle == INVALID_HANDLE_VALUE) {
 		LOG(("Init Error: could not find files in pinned folder"));
 		return;
@ -78,7 +91,11 @@ void checkPinned() {
 			if (attributes >= 0xFFFFFFF) continue; // file does not exist

 			ComPtr<IShellLink> shellLink;
-			HRESULT hr = CoCreateInstance(CLSID_ShellLink, nullptr, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&shellLink));
+			HRESULT hr = CoCreateInstance(
+				CLSID_ShellLink,
+				nullptr,
+				CLSCTX_INPROC_SERVER,
+				IID_PPV_ARGS(&shellLink));
 			if (!SUCCEEDED(hr)) continue;

 			ComPtr<IPersistFile> persistFile;
@ -93,13 +110,22 @@ void checkPinned() {
 			if (!SUCCEEDED(hr)) continue;

 			BY_HANDLE_FILE_INFORMATION dstinfo = { 0 };
-			HANDLE dstfile = CreateFile(dst, 0x00, 0x00, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+			HANDLE dstfile = CreateFile(
+				dst,
+				0x00,
+				0x00,
+				NULL,
+				OPEN_EXISTING,
+				FILE_ATTRIBUTE_NORMAL,
+				NULL);
 			if (dstfile == INVALID_HANDLE_VALUE) continue;
 			BOOL dstres = GetFileInformationByHandle(dstfile, &dstinfo);
 			CloseHandle(dstfile);
 			if (!dstres) continue;

-			if (srcinfo.dwVolumeSerialNumber == dstinfo.dwVolumeSerialNumber && srcinfo.nFileIndexLow == dstinfo.nFileIndexLow && srcinfo.nFileIndexHigh == dstinfo.nFileIndexHigh) {
+			if (srcinfo.dwVolumeSerialNumber == dstinfo.dwVolumeSerialNumber
+				&& srcinfo.nFileIndexLow == dstinfo.nFileIndexLow
+				&& srcinfo.nFileIndexHigh == dstinfo.nFileIndexHigh) {
 				ComPtr<IPropertyStore> propertyStore;
 				hr = shellLink.As(&propertyStore);
 				if (!SUCCEEDED(hr)) return;
@ -109,7 +135,7 @@ void checkPinned() {
 				if (!SUCCEEDED(hr)) return;
 				LOG(("Reading..."));
 				WCHAR already[MAX_PATH];
-				hr = Dlls::PropVariantToString(appIdPropVar, already, MAX_PATH);
+				hr = PropVariantToString(appIdPropVar, already, MAX_PATH);
 				if (SUCCEEDED(hr)) {
 					if (std::wstring(getId()) == already) {
 						LOG(("Already!"));
@ -141,7 +167,7 @@ void checkPinned() {
 		}
 	} while (FindNextFile(findHandle, &findData));
 	DWORD errorCode = GetLastError();
-	if (errorCode && errorCode != ERROR_NO_MORE_FILES) { // everything is found
+	if (errorCode && errorCode != ERROR_NO_MORE_FILES) {
 		LOG(("Init Error: could not find some files in pinned folder"));
 		return;
 	}
@ -152,8 +178,9 @@ QString systemShortcutPath() {
 	static const int maxFileLen = MAX_PATH * 10;
 	WCHAR wstrPath[maxFileLen];
 	if (GetEnvironmentVariable(L"APPDATA", wstrPath, maxFileLen)) {
-		QDir appData(QString::fromStdWString(std::wstring(wstrPath)));
-		return appData.absolutePath() + qsl("/Microsoft/Windows/Start Menu/Programs/");
+		auto appData = QDir(QString::fromStdWString(std::wstring(wstrPath)));
+		const auto path = appData.absolutePath();
+		return path + u"/Microsoft/Windows/Start Menu/Programs/"_q;
 	}
 	return QString();
 }
@ -168,7 +195,11 @@ void cleanupShortcut() {
 	if (attributes >= 0xFFFFFFF) return; // file does not exist

 	ComPtr<IShellLink> shellLink;
-	HRESULT hr = CoCreateInstance(CLSID_ShellLink, nullptr, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&shellLink));
+	HRESULT hr = CoCreateInstance(
+		CLSID_ShellLink,
+		nullptr,
+		CLSCTX_INPROC_SERVER,
+		IID_PPV_ARGS(&shellLink));
 	if (!SUCCEEDED(hr)) return;

 	ComPtr<IPersistFile> persistFile;
@ -180,10 +211,15 @@ void cleanupShortcut() {

 	WCHAR szGotPath[MAX_PATH];
 	WIN32_FIND_DATA wfd;
-	hr = shellLink->GetPath(szGotPath, MAX_PATH, (WIN32_FIND_DATA*)&wfd, SLGP_SHORTPATH);
+	hr = shellLink->GetPath(
+		szGotPath,
+		MAX_PATH,
+		(WIN32_FIND_DATA*)&wfd,
+		SLGP_SHORTPATH);
 	if (!SUCCEEDED(hr)) return;

-	if (QDir::toNativeSeparators(cExeDir() + cExeName()).toStdWString() == szGotPath) {
+	const auto full = cExeDir() + cExeName();
+	if (QDir::toNativeSeparators(full).toStdWString() == szGotPath) {
 		QFile().remove(path);
 	}
 }
@ -197,7 +233,11 @@ bool validateShortcutAt(const QString &path) {
 	if (attributes >= 0xFFFFFFF) return false; // file does not exist

 	ComPtr<IShellLink> shellLink;
-	HRESULT hr = CoCreateInstance(CLSID_ShellLink, nullptr, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&shellLink));
+	HRESULT hr = CoCreateInstance(
+		CLSID_ShellLink,
+		nullptr,
+		CLSCTX_INPROC_SERVER,
+		IID_PPV_ARGS(&shellLink));
 	if (!SUCCEEDED(hr)) return false;

 	ComPtr<IPersistFile> persistFile;
@ -212,22 +252,31 @@ bool validateShortcutAt(const QString &path) {
 	if (!SUCCEEDED(hr)) return false;

 	PROPVARIANT appIdPropVar;
+	PROPVARIANT toastActivatorPropVar;
 	hr = propertyStore->GetValue(getKey(), &appIdPropVar);
 	if (!SUCCEEDED(hr)) return false;

+	hr = propertyStore->GetValue(
+		pkey_AppUserModel_ToastActivator,
+		&toastActivatorPropVar);
+	if (!SUCCEEDED(hr)) return false;
+
 	WCHAR already[MAX_PATH];
-	hr = Dlls::PropVariantToString(appIdPropVar, already, MAX_PATH);
-	if (SUCCEEDED(hr)) {
-		if (std::wstring(getId()) == already) {
-			PropVariantClear(&appIdPropVar);
-			return true;
-		}
-	}
-	if (appIdPropVar.vt != VT_EMPTY) {
-		PropVariantClear(&appIdPropVar);
+	hr = PropVariantToString(appIdPropVar, already, MAX_PATH);
+	const auto good1 = SUCCEEDED(hr) && (std::wstring(getId()) == already);
+	const auto bad1 = !good1 && (appIdPropVar.vt != VT_EMPTY);
+	PropVariantClear(&appIdPropVar);
+
+	auto clsid = CLSID();
+	hr = PropVariantToCLSID(toastActivatorPropVar, &clsid);
+	const auto good2 = SUCCEEDED(hr) && (clsid == __uuidof(ToastActivator));
+	const auto bad2 = !good2 && (toastActivatorPropVar.vt != VT_EMPTY);
+	PropVariantClear(&toastActivatorPropVar);
+	if (good1 && good2) {
+		return true;
+	} else if (bad1 || bad2) {
 		return false;
 	}
-	PropVariantClear(&appIdPropVar);

 	hr = InitPropVariantFromString(getId(), &appIdPropVar);
 	if (!SUCCEEDED(hr)) return false;
@ -236,6 +285,17 @@ bool validateShortcutAt(const QString &path) {
 	PropVariantClear(&appIdPropVar);
 	if (!SUCCEEDED(hr)) return false;

+	hr = InitPropVariantFromCLSID(
+		__uuidof(ToastActivator),
+		&toastActivatorPropVar);
+	if (!SUCCEEDED(hr)) return false;
+
+	hr = propertyStore->SetValue(
+		pkey_AppUserModel_ToastActivator,
+		toastActivatorPropVar);
+	PropVariantClear(&toastActivatorPropVar);
+	if (!SUCCEEDED(hr)) return false;
+
 	hr = propertyStore->Commit();
 	if (!SUCCEEDED(hr)) return false;

@ -248,30 +308,48 @@ bool validateShortcutAt(const QString &path) {

 bool validateShortcut() {
 	QString path = systemShortcutPath();
-	if (path.isEmpty() || cExeName().isEmpty()) return false;
+	if (path.isEmpty() || cExeName().isEmpty()) {
+		return false;
+	}

 	if (cAlphaVersion()) {
-		path += qsl("TelegramAlpha.lnk");
-		if (validateShortcutAt(path)) return true;
+		path += u"TelegramAlpha.lnk"_q;
+		if (validateShortcutAt(path)) {
+			return true;
+		}
 	} else {
-		if (validateShortcutAt(path + qsl("Telegram Desktop/Telegram.lnk"))) return true;
-		if (validateShortcutAt(path + qsl("Telegram Win (Unofficial)/Telegram.lnk"))) return true;
+		const auto installed = u"Telegram Desktop/Telegram.lnk"_q;
+		const auto old = u"Telegram Win (Unofficial)/Telegram.lnk"_q;
+		if (validateShortcutAt(path + installed)
+			|| validateShortcutAt(path + old)) {
+			return true;
+		}

-		path += qsl("Telegram.lnk");
-		if (validateShortcutAt(path)) return true;
+		path += u"Telegram.lnk"_q;
+		if (validateShortcutAt(path)) {
+			return true;
+		}
 	}

 	ComPtr<IShellLink> shellLink;
-	HRESULT hr = CoCreateInstance(CLSID_ShellLink, nullptr, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&shellLink));
+	HRESULT hr = CoCreateInstance(
+		CLSID_ShellLink,
+		nullptr,
+		CLSCTX_INPROC_SERVER,
+		IID_PPV_ARGS(&shellLink));
 	if (!SUCCEEDED(hr)) return false;

-	hr = shellLink->SetPath(QDir::toNativeSeparators(cExeDir() + cExeName()).toStdWString().c_str());
+	hr = shellLink->SetPath(
+		QDir::toNativeSeparators(
+			cExeDir() + cExeName()).toStdWString().c_str());
 	if (!SUCCEEDED(hr)) return false;

 	hr = shellLink->SetArguments(L"");
 	if (!SUCCEEDED(hr)) return false;

-	hr = shellLink->SetWorkingDirectory(QDir::toNativeSeparators(QDir(cWorkingDir()).absolutePath()).toStdWString().c_str());
+	hr = shellLink->SetWorkingDirectory(
+		QDir::toNativeSeparators(
+			QDir(cWorkingDir()).absolutePath()).toStdWString().c_str());
 	if (!SUCCEEDED(hr)) return false;

 	ComPtr<IPropertyStore> propertyStore;
@ -286,15 +364,29 @@ bool validateShortcut() {
 	PropVariantClear(&appIdPropVar);
 	if (!SUCCEEDED(hr)) return false;

-#if WINVER >= 0x602
 	PROPVARIANT startPinPropVar;
-	hr = InitPropVariantFromUInt32(APPUSERMODEL_STARTPINOPTION_NOPINONINSTALL, &startPinPropVar);
+	hr = InitPropVariantFromUInt32(
+		APPUSERMODEL_STARTPINOPTION_NOPINONINSTALL,
+		&startPinPropVar);
 	if (!SUCCEEDED(hr)) return false;

-	hr = propertyStore->SetValue(pkey_AppUserModel_StartPinOption, startPinPropVar);
+	hr = propertyStore->SetValue(
+		pkey_AppUserModel_StartPinOption,
+		startPinPropVar);
 	PropVariantClear(&startPinPropVar);
 	if (!SUCCEEDED(hr)) return false;
-#endif // WINVER >= 0x602
+
+	PROPVARIANT toastActivatorPropVar{};
+	hr = InitPropVariantFromCLSID(
+		__uuidof(ToastActivator),
+		&toastActivatorPropVar);
+	if (!SUCCEEDED(hr)) return false;
+
+	hr = propertyStore->SetValue(
+		pkey_AppUserModel_ToastActivator,
+		toastActivatorPropVar);
+	PropVariantClear(&toastActivatorPropVar);
+	if (!SUCCEEDED(hr)) return false;

 	hr = propertyStore->Commit();
 	if (!SUCCEEDED(hr)) return false;
@ -303,7 +395,9 @@ bool validateShortcut() {
 	hr = shellLink.As(&persistFile);
 	if (!SUCCEEDED(hr)) return false;

-	hr = persistFile->Save(QDir::toNativeSeparators(path).toStdWString().c_str(), TRUE);
+	hr = persistFile->Save(
+		QDir::toNativeSeparators(path).toStdWString().c_str(),
+		TRUE);
 	if (!SUCCEEDED(hr)) return false;

 	return true;
--- a/Telegram/SourceFiles/platform/win/windows_dlls.cpp
+++ b/Telegram/SourceFiles/platform/win/windows_dlls.cpp
@ -58,7 +58,6 @@ SafeIniter::SafeIniter() {
 	LOAD_SYMBOL(LibWtsApi32, WTSUnRegisterSessionNotification);

 	const auto LibPropSys = LoadLibrary(L"propsys.dll");
-	LOAD_SYMBOL(LibPropSys, PropVariantToString);
 	LOAD_SYMBOL(LibPropSys, PSStringFromPropertyKey);

 	const auto LibPsApi = LoadLibrary(L"psapi.dll");
--- a/Telegram/SourceFiles/platform/win/windows_dlls.h
+++ b/Telegram/SourceFiles/platform/win/windows_dlls.h
@ -10,7 +10,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/platform/win/base_windows_h.h"

 #include <shlobj.h>
-#include <roapi.h>
 #include <dwmapi.h>
 #include <RestartManager.h>
 #include <psapi.h>
@ -79,10 +78,6 @@ inline BOOL(__stdcall *WTSUnRegisterSessionNotification)(

 // PROPSYS.DLL

-inline HRESULT(__stdcall *PropVariantToString)(
-	_In_ REFPROPVARIANT propvar,
-	_Out_writes_(cch) PWSTR psz,
-	_In_ UINT cch);
 inline HRESULT(__stdcall *PSStringFromPropertyKey)(
 	_In_ REFPROPERTYKEY pkey,
 	_Out_writes_(cch) LPWSTR psz,
--- a/Telegram/SourceFiles/platform/win/windows_toast_activator.cpp
+++ b/Telegram/SourceFiles/platform/win/windows_toast_activator.cpp
@ -0,0 +1,89 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "platform/win/windows_toast_activator.h"
+
+#pragma warning(push)
+// class has virtual functions, but destructor is not virtual
+#pragma warning(disable:4265)
+#pragma warning(disable:5104)
+#include <wrl/module.h>
+#pragma warning(pop)
+
+namespace {
+
+rpl::event_stream<ToastActivation> GlobalToastActivations;
+
+} // namespace
+
+QString ToastActivation::String(LPCWSTR value) {
+	const auto length = int(wcslen(value));
+	auto result = value
+		? QString::fromWCharArray(value, std::min(length, 16384))
+		: QString();
+	if (result.indexOf(QChar('\n')) < 0) {
+		result.replace(QChar('\r'), QChar('\n'));
+	}
+	return result;
+}
+
+HRESULT ToastActivator::Activate(
+		_In_ LPCWSTR appUserModelId,
+		_In_ LPCWSTR invokedArgs,
+		_In_reads_(dataCount) const NOTIFICATION_USER_INPUT_DATA *data,
+		ULONG dataCount) {
+	const auto string = &ToastActivation::String;
+	auto input = std::vector<ToastActivation::UserInput>();
+	input.reserve(dataCount);
+	for (auto i = 0; i != dataCount; ++i) {
+		input.push_back({
+			.key = string(data[i].Key),
+			.value = string(data[i].Value),
+		});
+	}
+	auto activation = ToastActivation{
+		.args = string(invokedArgs),
+		.input = std::move(input),
+	};
+	crl::on_main([activation = std::move(activation)]() mutable {
+		GlobalToastActivations.fire(std::move(activation));
+	});
+	return S_OK;
+}
+
+HRESULT ToastActivator::QueryInterface(
+		REFIID riid,
+		void **ppObj) {
+	if (riid == IID_IUnknown
+		|| riid == IID_INotificationActivationCallback) {
+		*ppObj = static_cast<INotificationActivationCallback*>(this);
+		AddRef();
+		return S_OK;
+	}
+
+	*ppObj = NULL;
+	return E_NOINTERFACE;
+}
+
+ULONG ToastActivator::AddRef() {
+	return InterlockedIncrement(&_ref);
+}
+
+ULONG ToastActivator::Release() {
+	long ref = 0;
+	ref = InterlockedDecrement(&_ref);
+	if (!ref) {
+		delete this;
+	}
+	return ref;
+}
+
+rpl::producer<ToastActivation> ToastActivations() {
+	return GlobalToastActivations.events();
+}
+
+CoCreatableClass(ToastActivator);
--- a/Telegram/SourceFiles/platform/win/windows_toast_activator.h
+++ b/Telegram/SourceFiles/platform/win/windows_toast_activator.h
@ -0,0 +1,50 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "windows_toastactivator_h.h"
+#include "base/platform/win/wrl/wrl_implements_h.h"
+
+// {F11932D3-6110-4BBC-9B02-B2EC07A1BD19}
+class DECLSPEC_UUID("F11932D3-6110-4BBC-9B02-B2EC07A1BD19") ToastActivator
+	: public ::Microsoft::WRL::RuntimeClass<
+		::Microsoft::WRL::RuntimeClassFlags<::Microsoft::WRL::ClassicCom>,
+		INotificationActivationCallback,
+		::Microsoft::WRL::FtmBase> {
+public:
+	ToastActivator() = default;
+	~ToastActivator() = default;
+
+	HRESULT STDMETHODCALLTYPE Activate(
+		_In_ LPCWSTR appUserModelId,
+		_In_ LPCWSTR invokedArgs,
+		_In_reads_(dataCount) const NOTIFICATION_USER_INPUT_DATA *data,
+		ULONG dataCount) override;
+
+	HRESULT STDMETHODCALLTYPE QueryInterface(
+		REFIID riid,
+		void **ppObj);
+	ULONG STDMETHODCALLTYPE AddRef();
+	ULONG STDMETHODCALLTYPE Release();
+
+private:
+	long _ref = 1;
+
+};
+
+struct ToastActivation {
+	struct UserInput {
+		QString key;
+		QString value;
+	};
+	QString args;
+	std::vector<UserInput> input;
+
+	[[nodiscard]] static QString String(LPCWSTR value);
+};
+[[nodiscard]] rpl::producer<ToastActivation> ToastActivations();
--- a/Telegram/SourceFiles/platform/win/windows_toastactivator.idl
+++ b/Telegram/SourceFiles/platform/win/windows_toastactivator.idl
@ -0,0 +1,29 @@
+// ToastActivator.idl : IDL source for ToastActivator
+//
+
+// This file will be processed by the MIDL tool to
+// produce the type library (ToastActivator.tlb) and marshalling code.
+
+import "oaidl.idl";
+import "ocidl.idl";
+
+typedef struct _NOTIFICATION_USER_INPUT_DATA
+{
+	LPCWSTR Key;
+	LPCWSTR Value;
+} NOTIFICATION_USER_INPUT_DATA;
+
+[
+	object,
+	uuid("53E31837-6600-4A81-9395-75CFFE746F94"),
+	pointer_default(ref)
+]
+
+interface INotificationActivationCallback : IUnknown
+{
+	HRESULT Activate(
+		[in, string] LPCWSTR appUserModelId,
+		[in, string] LPCWSTR arguments, // arugments from the invoked button
+		[in, size_is(count), unique] const NOTIFICATION_USER_INPUT_DATA* data, // data from all the input elements in the XML
+		[in] ULONG count);
+};
--- a/Telegram/SourceFiles/window/notifications_manager.cpp
+++ b/Telegram/SourceFiles/window/notifications_manager.cpp
@ -628,7 +628,9 @@ QString Manager::accountNameSeparator() {
 	return QString::fromUtf8(" \xE2\x9E\x9C ");
 }

-void Manager::notificationActivated(NotificationId id) {
+void Manager::notificationActivated(
+		NotificationId id,
+		const TextWithTags &reply) {
 	onBeforeNotificationActivated(id);
 	if (const auto session = system()->findSession(id.full.sessionId)) {
 		if (session->windows().empty()) {
@ -637,6 +639,22 @@ void Manager::notificationActivated(NotificationId id) {
 		if (!session->windows().empty()) {
 			const auto window = session->windows().front();
 			const auto history = session->data().history(id.full.peerId);
+			if (!reply.text.isEmpty()) {
+				const auto replyToId = (id.msgId > 0
+					&& !history->peer->isUser())
+					? id.msgId
+					: 0;
+				auto draft = std::make_unique<Data::Draft>(
+					reply,
+					replyToId,
+					MessageCursor{
+						reply.text.size(),
+						reply.text.size(),
+						QFIXED_MAX,
+					},
+					Data::PreviewState::Allowed);
+				history->setLocalDraft(std::move(draft));
+			}
 			window->widget()->showFromTray();
 			window->widget()->reActivateWindow();
 			if (Core::App().passcodeLocked()) {
--- a/Telegram/SourceFiles/window/notifications_manager.h
+++ b/Telegram/SourceFiles/window/notifications_manager.h
@ -191,7 +191,9 @@ public:
 		doClearFromSession(session);
 	}

-	void notificationActivated(NotificationId id);
+	void notificationActivated(
+		NotificationId id,
+		const TextWithTags &draft = {});
 	void notificationReplied(NotificationId id, const TextWithTags &reply);

 	struct DisplayOptions {
--- a/Telegram/cmake/generate_midl.cmake
+++ b/Telegram/cmake/generate_midl.cmake
@ -4,40 +4,52 @@
 # For license and copyright information please follow this link:
 # https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL

-function(generate_midl target_name idl_file)
+function(generate_midl target_name src_loc)
+    set(list ${ARGV})
+    list(REMOVE_AT list 0 1)
+
    set(gen_dst ${CMAKE_CURRENT_BINARY_DIR}/gen)
    file(MAKE_DIRECTORY ${gen_dst})

-    get_filename_component(idl_file_name ${idl_file} NAME_WLE)
-
-    set(gen_timestamp ${gen_dst}/midl_${idl_file_name}.timestamp)
-    set(gen_files
-        ${gen_dst}/${idl_file_name}_i.c
-        ${gen_dst}/${idl_file_name}_h.h
-    )
-
    if (build_win64)
        set(env x64)
    else()
        set(env win32)
    endif()
+
+    set(gen_timestamp ${gen_dst}/${target_name}_midl.timestamp)
+    set(gen_files "")
+    set(full_generation_sources "")
+    set(full_dependencies_list "")
+    foreach (file ${list})
+        list(APPEND full_generation_sources ${src_loc}/${file})
+        get_filename_component(file_name ${file} NAME_WLE)
+        list(APPEND gen_files
+            ${gen_dst}/${file_name}_i.c
+            ${gen_dst}/${file_name}_h.h
+        )
+        list(APPEND gen_commands
+        COMMAND
+            midl
+            /out ${gen_dst}
+            /h ${file_name}_h.h
+            /env ${env}
+            /notlb
+            ${src_loc}/${file}
+        )
+    endforeach()
+
    add_custom_command(
    OUTPUT
        ${gen_timestamp}
    BYPRODUCTS
        ${gen_files}
-    COMMAND
-        midl
-        /out ${gen_dst}
-        /h ${idl_file_name}_h.h
-        /env ${env}
-        /notlb
-        ${idl_file}
+    ${gen_commands}
    COMMAND
        echo 1> ${gen_timestamp}
-    COMMENT "Generating header from IDL (${target_name})"
+    COMMENT "Generating headers from IDLs (${target_name})"
    DEPENDS
-        ${idl_file}
+        ${full_generation_sources}
    )
    generate_target(${target_name} midl ${gen_timestamp} "${gen_files}" ${gen_dst})
 endfunction()
--- a/Telegram/lib_base
+++ b/Telegram/lib_base
@ -1 +1 @@
-Subproject commit fc8b0dcd75453c7a136ee2e6bc17eccba77e5fec
+Subproject commit e4b41e9409def2f65a021571e67e8ec3ec34f90e
--- a/2
+++ b/2
@ -1 +1 @@
-Subproject commit 5c32bf152f7b83d4a8e53366a1531a7305bc6d40
+Subproject commit 2b7b92f30bd5c723562e1002375981b455700487