core: shell state manager

Shell/ShellStateManager.qml

@@ -0,0 +1,52 @@
+pragma Singleton
+import QtQuick
+
+QtObject {
+    id: manager
+
+    property bool shellOpen: false
+    property var windowRequests: ({})
+    property var globals: ({})
+
+    signal shellOpened
+    signal shellClosed
+    signal windowRequested(string name, var payload)
+
+    function openShell() {
+        if (!shellOpen) {
+            console.log("ShellStateManager: openShell");
+            shellOpen = true;
+            shellOpened();
+        }
+    }
+
+    function closeShell() {
+        if (shellOpen) {
+            console.log("ShellStateManager: closeShell");
+            shellOpen = false;
+            shellClosed();
+        }
+    }
+
+    function toggleShell() {
+        console.log("ShellStateManager: toggleShell (isOpen " + shellOpen + ")");
+        shellOpen ? closeShell() : openShell();
+    }
+
+    function requestWindow(name, payload) {
+        console.log("ShellStateManager: requestWindow", name, payload);
+        windowRequests[name] = {
+            payload: payload,
+            timestamp: Date.now()
+        };
+        windowRequested(name, payload);
+    }
+
+    function setGlobal(key, value) {
+        globals[key] = value;
+    }
+
+    function global(key, defaultValue) {
+        return globals.hasOwnProperty(key) ? globals[key] : defaultValue;
+    }
+}