From 7d0cf97af1a12fa2541107cf63b3070f3713d8cd Mon Sep 17 00:00:00 2001
From: George Hazan <george.hazan@gmail.com>
Date: Thu, 30 May 2024 17:50:29 +0300
Subject: Discord: stubs for voice services (#4404)

---
 protocols/Discord/src/main.cpp  | 10 +++++++++-
 protocols/Discord/src/proto.cpp |  7 +++++++
 protocols/Discord/src/proto.h   | 16 ++++++++++++----
 protocols/Discord/src/voice.cpp | 39 +++++++++++++++++++++++++++++++++++++--
 4 files changed, 65 insertions(+), 7 deletions(-)

(limited to 'protocols')

diff --git a/protocols/Discord/src/main.cpp b/protocols/Discord/src/main.cpp
index 98f0b120de..17a10bf78e 100644
--- a/protocols/Discord/src/main.cpp
+++ b/protocols/Discord/src/main.cpp
@@ -56,12 +56,20 @@ IconItem g_iconList[] =
 	{ LPGEN("Call ended"),  "voiceend",  IDI_VOICE_ENDED }
 };
 
-static int OnModulesLoaded(WPARAM, LPARAM)
+static int OnModuleLoaded(WPARAM, LPARAM)
 {
 	g_plugin.bVoiceService = ServiceExists(MS_VOICESERVICE_REGISTER);
 	return 0;
 }
 
+static int OnModulesLoaded(WPARAM, LPARAM)
+{
+	HookEvent(ME_SYSTEM_MODULELOAD, &OnModuleLoaded);
+	HookEvent(ME_SYSTEM_MODULEUNLOAD, &OnModuleLoaded);
+	OnModuleLoaded(0, 0);
+	return 0;
+}
+
 int CMPlugin::Load()
 {
 	HookEvent(ME_SYSTEM_MODULESLOADED, &OnModulesLoaded);
diff --git a/protocols/Discord/src/proto.cpp b/protocols/Discord/src/proto.cpp
index 5056282794..22f6f35e05 100644
--- a/protocols/Discord/src/proto.cpp
+++ b/protocols/Discord/src/proto.cpp
@@ -63,6 +63,10 @@ CDiscordProto::CDiscordProto(const char *proto_name, const wchar_t *username) :
 	CreateProtoService(PS_GETMYAVATAR, &CDiscordProto::GetMyAvatar);
 	CreateProtoService(PS_SETMYAVATAR, &CDiscordProto::SetMyAvatar);
 
+	CreateProtoService(PS_VOICE_CALL, &CDiscordProto::VoiceCallCreate);
+	CreateProtoService(PS_VOICE_DROPCALL, &CDiscordProto::VoiceCallCancel);
+	CreateProtoService(PS_VOICE_ANSWERCALL, &CDiscordProto::VoiceCallAnswer);
+
 	CreateProtoService(PS_MENU_REQAUTH, &CDiscordProto::RequestFriendship);
 
 	CreateProtoService(PS_MENU_LOADHISTORY, &CDiscordProto::OnMenuLoadHistory);
@@ -185,6 +189,7 @@ void CDiscordProto::OnModulesLoaded()
 	HookProtoEvent(ME_GC_BUILDMENU, &CDiscordProto::GroupchatMenuHook);
 
 	InitMenus();
+	InitVoip(true);
 
 	// Voice support
 	if (g_plugin.bVoiceService) {
@@ -205,6 +210,8 @@ void CDiscordProto::OnShutdown()
 	m_bTerminated = true;
 	SetEvent(m_evRequestsQueue);
 
+	InitVoip(false);
+
 	for (auto &it : arGuilds)
 		it->SaveToFile();
 
diff --git a/protocols/Discord/src/proto.h b/protocols/Discord/src/proto.h
index aaa00c0cd5..31fda24fd3 100644
--- a/protocols/Discord/src/proto.h
+++ b/protocols/Discord/src/proto.h
@@ -410,6 +410,18 @@ class CDiscordProto : public PROTO<CDiscordProto>
 	
 	void OnSendTotp(MHttpResponse *, struct AsyncHttpRequest *);
 
+	//////////////////////////////////////////////////////////////////////////////////////
+	// voice
+
+	void InitVoip(bool bEnable);
+
+	INT_PTR __cdecl VoiceCaps(WPARAM, LPARAM);
+	INT_PTR __cdecl VoiceCallCreate(WPARAM, LPARAM);
+	INT_PTR __cdecl VoiceCallAnswer(WPARAM, LPARAM);
+	INT_PTR __cdecl VoiceCallCancel(WPARAM, LPARAM);
+
+	int  __cdecl OnVoiceState(WPARAM, LPARAM);
+
 	//////////////////////////////////////////////////////////////////////////////////////
 	// misc methods
 
@@ -472,16 +484,12 @@ public:
 	INT_PTR __cdecl GetMyAvatar(WPARAM, LPARAM);
 	INT_PTR __cdecl SetMyAvatar(WPARAM, LPARAM);
 
-	INT_PTR __cdecl VoiceCaps(WPARAM, LPARAM);
-
 	//////////////////////////////////////////////////////////////////////////////////////
 	// Events
 
 	int  __cdecl OnOptionsInit(WPARAM, LPARAM);
 	int  __cdecl OnAccountChanged(WPARAM, LPARAM);
 	
-	int  __cdecl OnVoiceState(WPARAM, LPARAM);
-
 	//////////////////////////////////////////////////////////////////////////////////////
 	// dispatch commands
 
diff --git a/protocols/Discord/src/voice.cpp b/protocols/Discord/src/voice.cpp
index 48e5290c23..ee6369777b 100644
--- a/protocols/Discord/src/voice.cpp
+++ b/protocols/Discord/src/voice.cpp
@@ -88,12 +88,27 @@ void CDiscordProto::OnCommandCallUpdated(const JSONNode&)
 /////////////////////////////////////////////////////////////////////////////////////////
 // Events & services
 
-INT_PTR __cdecl CDiscordProto::VoiceCaps(WPARAM, LPARAM)
+INT_PTR CDiscordProto::VoiceCaps(WPARAM, LPARAM)
 {
 	return VOICE_CAPS_VOICE | VOICE_CAPS_CALL_CONTACT;
 }
 
-int __cdecl CDiscordProto::OnVoiceState(WPARAM wParam, LPARAM)
+INT_PTR CDiscordProto::VoiceCallCreate(WPARAM, LPARAM)
+{
+	return 0;
+}
+
+INT_PTR CDiscordProto::VoiceCallAnswer(WPARAM, LPARAM)
+{
+	return 0;
+}
+
+INT_PTR CDiscordProto::VoiceCallCancel(WPARAM, LPARAM)
+{
+	return 0;
+}
+
+int CDiscordProto::OnVoiceState(WPARAM wParam, LPARAM)
 {
 	auto *pVoice = (VOICE_CALL *)wParam;
 	if (mir_strcmp(pVoice->moduleName, m_szModuleName))
@@ -114,3 +129,23 @@ int __cdecl CDiscordProto::OnVoiceState(WPARAM wParam, LPARAM)
 	debugLogA("Call %s state changed to %d", pVoice->id, pVoice->state);
 	return 0;
 }
+
+void CDiscordProto::InitVoip(bool bEnable)
+{
+	if (!g_plugin.bVoiceService)
+		return;
+
+	if (bEnable) {
+		VOICE_MODULE vsr = {};
+		vsr.cbSize = sizeof(VOICE_MODULE);
+		vsr.description = m_tszUserName;
+		vsr.name = m_szModuleName;
+		vsr.icon = g_plugin.getIconHandle(IDI_MAIN);
+		vsr.flags = VOICE_CAPS_VOICE | VOICE_CAPS_CALL_CONTACT;
+		CallService(MS_VOICESERVICE_REGISTER, (WPARAM)&vsr, 0);
+	}
+	else {
+		// TerminateSession();
+		CallService(MS_VOICESERVICE_UNREGISTER, (WPARAM)m_szModuleName, 0);
+	}
+}
-- 
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