Merge pull request #250 from wakatime/feature/canva

Support tracking Canva

WakaTime/Extensions/AXUIElementExtension.swift

@@ -284,6 +284,43 @@ extension AXUIElement {
         }
     }
 
+    func elementAtPosition(x: Float, y: Float) -> AXUIElement? {
+        var element: AXUIElement?
+        AXUIElementCopyElementAtPosition(self, x, y, &element)
+        return element
+    }
+
+    func elementAtPositionRelativeToWindow(x: CGFloat, y: CGFloat) -> AXUIElement? {
+        // swiftlint:disable force_unwrapping
+        let windowPositionData = getValue(for: kAXPositionAttribute)!
+        let windowSizeData = getValue(for: kAXSizeAttribute)!
+        // swiftlint:enable force_unwrapping
+
+        var windowPosition = CGPoint()
+        var windowSize = CGSize()
+
+        // swiftlint:disable force_cast
+        if !AXValueGetValue(windowPositionData as! AXValue, .cgPoint, &windowPosition) ||
+           !AXValueGetValue(windowSizeData as! AXValue, .cgSize, &windowSize) {
+            return nil
+        }
+        // swiftlint:enable force_cast
+
+        let globalX = windowPosition.x + x
+        let globalY = windowPosition.y + y
+
+        if globalX < windowPosition.x || globalX > windowPosition.x + windowSize.width ||
+           globalY < windowPosition.y || globalY > windowPosition.y + windowSize.height {
+            // Point is outside the window bounds
+            return nil
+        }
+
+        var element: AXUIElement?
+        let systemWideElement = AXUIElementCreateSystemWide()
+        AXUIElementCopyElementAtPosition(systemWideElement, Float(globalX), Float(globalY), &element)
+        return element
+    }
+
     func debugPrintSubtree(element: AXUIElement? = nil, depth: Int = 0, highlight indexPath: [Int] = [], currentPath: [Int] = []) {
         let element = element ?? self
         if let children = element.children {

WakaTime/Watchers/MonitoredApp.swift

@@ -235,12 +235,16 @@ enum MonitoredApp: String, CaseIterable {
             case .brave:
                 fatalError("\(self.rawValue) should never use window title as entity")
             case .canva:
-                guard
-                    let title = element.extractPrefix(element.rawTitle, separator: " - ", minCount: 2),
-                    title != "Canva",
-                    title != "Home"
-                else { return nil }
-                return title
+                // Canva obviously implements tabs in a different way than the tab content UI.
+                // Due to this circumstance, it's possible to just sample an element from the
+                // Canva window which is positioned underneath the tab bar and trace to the
+                // web area root which appears to be properly titled. All the UI zoom settings
+                // in Canva only change the tab content or sub content of the tab content, hence
+                // this should be relatively safe. In cases where this fails, nil should be
+                // returned as a consequence of the web area not being found.
+                let someElem = element.elementAtPositionRelativeToWindow(x: 10, y: 60)
+                let webArea = someElem?.firstAncestorWhere { $0.role == "AXWebArea" }
+                return webArea?.rawTitle
             case .chrome:
                 fatalError("\(self.rawValue) should never use window title as entity")
             case .figma: