wp/wp-includes/js/jquery/ui/mouse.js
changeset 18 be944660c56a
child 19 3d72ae0968f4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/js/jquery/ui/mouse.js	Wed Sep 21 18:19:35 2022 +0200
@@ -0,0 +1,224 @@
+/*!
+ * jQuery UI Mouse 1.12.1
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ */
+
+//>>label: Mouse
+//>>group: Widgets
+//>>description: Abstracts mouse-based interactions to assist in creating certain widgets.
+//>>docs: http://api.jqueryui.com/mouse/
+
+( function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define( [
+			"jquery",
+			"./core"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}( function( $ ) {
+
+var mouseHandled = false;
+$( document ).on( "mouseup", function() {
+	mouseHandled = false;
+} );
+
+return $.widget( "ui.mouse", {
+	version: "1.12.1",
+	options: {
+		cancel: "input, textarea, button, select, option",
+		distance: 1,
+		delay: 0
+	},
+	_mouseInit: function() {
+		var that = this;
+
+		this.element
+			.on( "mousedown." + this.widgetName, function( event ) {
+				return that._mouseDown( event );
+			} )
+			.on( "click." + this.widgetName, function( event ) {
+				if ( true === $.data( event.target, that.widgetName + ".preventClickEvent" ) ) {
+					$.removeData( event.target, that.widgetName + ".preventClickEvent" );
+					event.stopImmediatePropagation();
+					return false;
+				}
+			} );
+
+		this.started = false;
+	},
+
+	// TODO: make sure destroying one instance of mouse doesn't mess with
+	// other instances of mouse
+	_mouseDestroy: function() {
+		this.element.off( "." + this.widgetName );
+		if ( this._mouseMoveDelegate ) {
+			this.document
+				.off( "mousemove." + this.widgetName, this._mouseMoveDelegate )
+				.off( "mouseup." + this.widgetName, this._mouseUpDelegate );
+		}
+	},
+
+	_mouseDown: function( event ) {
+
+		// don't let more than one widget handle mouseStart
+		if ( mouseHandled ) {
+			return;
+		}
+
+		this._mouseMoved = false;
+
+		// We may have missed mouseup (out of window)
+		( this._mouseStarted && this._mouseUp( event ) );
+
+		this._mouseDownEvent = event;
+
+		var that = this,
+			btnIsLeft = ( event.which === 1 ),
+
+			// event.target.nodeName works around a bug in IE 8 with
+			// disabled inputs (#7620)
+			elIsCancel = ( typeof this.options.cancel === "string" && event.target.nodeName ?
+				$( event.target ).closest( this.options.cancel ).length : false );
+		if ( !btnIsLeft || elIsCancel || !this._mouseCapture( event ) ) {
+			return true;
+		}
+
+		this.mouseDelayMet = !this.options.delay;
+		if ( !this.mouseDelayMet ) {
+			this._mouseDelayTimer = setTimeout( function() {
+				that.mouseDelayMet = true;
+			}, this.options.delay );
+		}
+
+		if ( this._mouseDistanceMet( event ) && this._mouseDelayMet( event ) ) {
+			this._mouseStarted = ( this._mouseStart( event ) !== false );
+			if ( !this._mouseStarted ) {
+				event.preventDefault();
+				return true;
+			}
+		}
+
+		// Click event may never have fired (Gecko & Opera)
+		if ( true === $.data( event.target, this.widgetName + ".preventClickEvent" ) ) {
+			$.removeData( event.target, this.widgetName + ".preventClickEvent" );
+		}
+
+		// These delegates are required to keep context
+		this._mouseMoveDelegate = function( event ) {
+			return that._mouseMove( event );
+		};
+		this._mouseUpDelegate = function( event ) {
+			return that._mouseUp( event );
+		};
+
+		this.document
+			.on( "mousemove." + this.widgetName, this._mouseMoveDelegate )
+			.on( "mouseup." + this.widgetName, this._mouseUpDelegate );
+
+		event.preventDefault();
+
+		mouseHandled = true;
+		return true;
+	},
+
+	_mouseMove: function( event ) {
+
+		// Only check for mouseups outside the document if you've moved inside the document
+		// at least once. This prevents the firing of mouseup in the case of IE<9, which will
+		// fire a mousemove event if content is placed under the cursor. See #7778
+		// Support: IE <9
+		if ( this._mouseMoved ) {
+
+			// IE mouseup check - mouseup happened when mouse was out of window
+			if ( $.ui.ie && ( !document.documentMode || document.documentMode < 9 ) &&
+					!event.button ) {
+				return this._mouseUp( event );
+
+			// Iframe mouseup check - mouseup occurred in another document
+			} else if ( !event.which ) {
+
+				// Support: Safari <=8 - 9
+				// Safari sets which to 0 if you press any of the following keys
+				// during a drag (#14461)
+				if ( event.originalEvent.altKey || event.originalEvent.ctrlKey ||
+						event.originalEvent.metaKey || event.originalEvent.shiftKey ) {
+					this.ignoreMissingWhich = true;
+				} else if ( !this.ignoreMissingWhich ) {
+					return this._mouseUp( event );
+				}
+			}
+		}
+
+		if ( event.which || event.button ) {
+			this._mouseMoved = true;
+		}
+
+		if ( this._mouseStarted ) {
+			this._mouseDrag( event );
+			return event.preventDefault();
+		}
+
+		if ( this._mouseDistanceMet( event ) && this._mouseDelayMet( event ) ) {
+			this._mouseStarted =
+				( this._mouseStart( this._mouseDownEvent, event ) !== false );
+			( this._mouseStarted ? this._mouseDrag( event ) : this._mouseUp( event ) );
+		}
+
+		return !this._mouseStarted;
+	},
+
+	_mouseUp: function( event ) {
+		this.document
+			.off( "mousemove." + this.widgetName, this._mouseMoveDelegate )
+			.off( "mouseup." + this.widgetName, this._mouseUpDelegate );
+
+		if ( this._mouseStarted ) {
+			this._mouseStarted = false;
+
+			if ( event.target === this._mouseDownEvent.target ) {
+				$.data( event.target, this.widgetName + ".preventClickEvent", true );
+			}
+
+			this._mouseStop( event );
+		}
+
+		if ( this._mouseDelayTimer ) {
+			clearTimeout( this._mouseDelayTimer );
+			delete this._mouseDelayTimer;
+		}
+
+		this.ignoreMissingWhich = false;
+		mouseHandled = false;
+		event.preventDefault();
+	},
+
+	_mouseDistanceMet: function( event ) {
+		return ( Math.max(
+				Math.abs( this._mouseDownEvent.pageX - event.pageX ),
+				Math.abs( this._mouseDownEvent.pageY - event.pageY )
+			) >= this.options.distance
+		);
+	},
+
+	_mouseDelayMet: function( /* event */ ) {
+		return this.mouseDelayMet;
+	},
+
+	// These are placeholder methods, to be overriden by extending plugin
+	_mouseStart: function( /* event */ ) {},
+	_mouseDrag: function( /* event */ ) {},
+	_mouseStop: function( /* event */ ) {},
+	_mouseCapture: function( /* event */ ) { return true; }
+} );
+
+} ) );