Debugger: Add simple API to control tagging detail.

In case a client requires it.

Core/Debugger/WebSocket/MemoryInfoSubscriber.cpp

@@ -0,0 +1,73 @@
+// Copyright (c) 2021- PPSSPP Project.
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 2.0 or later versions.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License 2.0 for more details.
+
+// A copy of the GPL 2.0 should have been included with the program.
+// If not, see http://www.gnu.org/licenses/
+
+// Official git repository and contact information can be found at
+// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
+
+#include "Core/Debugger/MemBlockInfo.h"
+#include "Core/Debugger/WebSocket/MemoryInfoSubscriber.h"
+#include "Core/Debugger/WebSocket/WebSocketUtils.h"
+
+class WebSocketMemoryInfoState : public DebuggerSubscriber {
+public:
+	WebSocketMemoryInfoState() {
+	}
+	~WebSocketMemoryInfoState() override {
+		UpdateOverride(false);
+	}
+
+	void Config(DebuggerRequest &req);
+
+protected:
+	void UpdateOverride(bool flag);
+
+	bool detailOverride_ = false;
+};
+
+DebuggerSubscriber *WebSocketMemoryInfoInit(DebuggerEventHandlerMap &map) {
+	auto p = new WebSocketMemoryInfoState();
+	map["memory.info.config"] = std::bind(&WebSocketMemoryInfoState::Config, p, std::placeholders::_1);
+
+	return p;
+}
+
+void WebSocketMemoryInfoState::UpdateOverride(bool flag) {
+	if (detailOverride_ && !flag)
+		MemBlockReleaseDetailed();
+	if (!detailOverride_ && flag)
+		MemBlockOverrideDetailed();
+	detailOverride_ = flag;
+}
+
+// Update memory info tracking config (memory.info.config)
+//
+// Parameters:
+//  - detailed: optional, boolean to force enable detailed tracking (perf impact.)
+//
+// Response (same event name):
+//  - detailed: boolean state of tracking before any changes.
+//
+// Note: Even if you set false, may stay enabled if set by user or another debug session.
+void WebSocketMemoryInfoState::Config(DebuggerRequest &req) {
+	bool setDetailed = req.HasParam("detailed");
+	bool detailed = false;
+	if (!req.ParamBool("detailed", &detailed, DebuggerParamType::OPTIONAL))
+		return;
+
+	JsonWriter &json = req.Respond();
+	json.writeBool("detailed", MemBlockInfoDetailed());
+
+	if (setDetailed)
+		UpdateOverride(detailed);
+}