Add long press gesture to toggle play/pause #93

Press and hold on touchscreen while in fullscreen to toggle between play and pause

src/widget.js

@@ -32,6 +32,7 @@ class ClapperWidget extends Gtk.Grid
         this.isDragAllowed = false;
         this.isSwipePerformed = false;
         this.isReleaseKeyEnabled = false;
+        this.isLongPressed = false;
 
         this.isCursorInPlayer = false;
         this.isPopoverOpen = false;
@@ -83,6 +84,11 @@ class ClapperWidget extends Gtk.Grid
         const clickGestureTop = this._getClickGesture();
         this.revealerTop.add_controller(clickGestureTop);
 
+        const longPressGesture = this._getLongPressGesture();
+        playerWidget.add_controller(longPressGesture);
+        const longPressGestureTop = this._getLongPressGesture();
+        this.revealerTop.add_controller(longPressGestureTop);
+
         const dragGesture = this._getDragGesture();
         playerWidget.add_controller(dragGesture);
         const dragGestureTop = this._getDragGesture();
@@ -672,14 +678,26 @@ class ClapperWidget extends Gtk.Grid
 
     _getClickGesture()
     {
-        const clickGesture = new Gtk.GestureClick();
-        clickGesture.set_button(0);
+        const clickGesture = new Gtk.GestureClick({
+            button: 0,
+        });
         clickGesture.connect('pressed', this._onPressed.bind(this));
         clickGesture.connect('released', this._onReleased.bind(this));
 
         return clickGesture;
     }
 
+    _getLongPressGesture()
+    {
+        const longPressGesture = new Gtk.GestureLongPress({
+            touch_only: true,
+            delay_factor: 0.9,
+        });
+        longPressGesture.connect('pressed', this._onLongPressed.bind(this));
+
+        return longPressGesture;
+    }
+
     _getDragGesture()
     {
         const dragGesture = new Gtk.GestureDrag();
@@ -751,6 +769,7 @@ class ClapperWidget extends Gtk.Grid
         const isDouble = (nPress % 2 == 0);
         this.isDragAllowed = !isDouble;
         this.isSwipePerformed = false;
+        this.isLongPressed = false;
 
         switch(button) {
             case Gdk.BUTTON_PRIMARY:
@@ -767,8 +786,11 @@ class ClapperWidget extends Gtk.Grid
 
     _onReleased(gesture, nPress, x, y)
     {
-        /* Reveal if touch was not a swipe or was already revealed */
-        if(!this.isSwipePerformed || this.revealerBottom.child_revealed) {
+        /* Reveal if touch was not a swipe/long press or was already revealed */
+        if(
+            (!this.isSwipePerformed && !this.isLongPressed)
+            || this.revealerBottom.child_revealed
+        ) {
             const { source } = gesture.get_device();
 
             switch(source) {
@@ -782,6 +804,15 @@ class ClapperWidget extends Gtk.Grid
         }
     }
 
+    _onLongPressed(gesture, x, y)
+    {
+        if(!this.isDragAllowed || !this.isFullscreenMode)
+            return;
+
+        this.isLongPressed = true;
+        this.player.toggle_play();
+    }
+
     _onKeyReleased(controller, keyval, keycode, state)
     {
         /* Ignore releases that did not trigger keypress