Add first cut of pointer special event plugin

external/pointer.js

@@ -0,0 +1,84 @@
+(function( $ ) {
+var POINTER_TYPE_UNAVAILABLE = 1,
+    POINTER_TYPE_TOUCH = 2,
+    POINTER_TYPE_PEN = 3,
+    POINTER_TYPE_MOUSE = 4;
+
+function processEvent( event, pointerType ) {
+    var prop,
+        orig = event;
+
+    event = $.Event( pointerType );
+
+    for ( prop in orig ) {
+        if ( !( prop in event ) ) {
+            event[ prop ] = orig[ prop ];
+        }
+    }
+
+    event.pageX = event.pageX || orig.originalEvent.pageX;
+    event.pageY = event.pageY || orig.originalEvent.pageY;
+
+    // TODO - Actually determine if primary
+    event.isPrimary = true;
+
+    if ( orig.type.indexOf("mouse") != -1 ) {
+        event.pointerId = 1;
+        event.pointerType = POINTER_TYPE_MOUSE;
+        // TODO: Don't assume left click
+        event.button = 0;
+        event.buttons = 1;
+    } else if ( orig.type.indexOf("touch") != -1 ) {
+        event.pointerId = orig.identifier || 2;
+        event.pointerType = POINTER_TYPE_TOUCH;
+        event.button = 0;
+        event.buttons = 1;
+    } else if ( orig.type.indexOf("Pointer") != -1 ) {
+        event.pointerId = orig.originalEvent.pointerId;
+        event.pointerType = orig.originalEvent.pointerType || POINTER_TYPE_UNAVAILABLE;
+        event.button = orig.originalEvent.button;
+        event.buttons = orig.originalEvent.buttons;
+    }
+
+    return event;
+}
+
+$.event.special.pointerdown = {
+    setup: function() {
+        $( this ).bind( "mousedown touchstart MSPointerDown", jQuery.event.special.pointerdown.handler );
+    },
+    teardown: function() {
+        $( this ).unbind( "mousedown touchstart MSPointerDown", jQuery.event.special.pointerdown.handler );
+    },
+    handler: function( event ) {
+        event = processEvent( event, "pointerdown" );
+        $( event.target ).trigger( event );
+    }
+};
+
+$.event.special.pointerup = {
+    setup: function() {
+        $( this ).bind( "mouseup touchend MSPointerUp", jQuery.event.special.pointerup.handler );
+    },
+    teardown: function() {
+        $( this ).unbind( "mouseup touchend MSPointerUp", jQuery.event.special.pointerup.handler );
+    },
+    handler: function( event ) {
+        event = processEvent( event, "pointerup" );
+        $( event.target ).trigger( event );
+    }
+};
+
+$.event.special.pointermove = {
+    setup: function() {
+        $( this ).bind( "mousemove touchmove MSPointerMove", jQuery.event.special.pointermove.handler );
+    },
+    teardown: function() {
+        $( this ).unbind( "mousemove touchmove MSPointerMove", jQuery.event.special.pointermove.handler );
+    },
+    handler: function( event ) {
+        event = processEvent( event, "pointermove" );
+        $( event.target ).trigger( event );
+    }
+};
+})( jQuery );