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{"version":3,"file":"DragRegistry.js","sourceRoot":"","sources":["../../../src/util/dragAndDrop/DragRegistry.ts"],"names":[],"mappings":"AAEA,IAAI,cAAc,GAAuB,IAAI,CAAC;AAC9C,IAAI,sBAAsB,GAAG,KAAK,CAAC;AACnC,MAAM,WAAW,GAAG,IAAI,GAAG,EAAc,CAAC;AAC1C,MAAM,oBAAoB,GAAG,IAAI,GAAG,EAA4B,CAAC;AAEjE,MAAM,WAAW,GAAG,CAAC,CAAY,EAAE,EAAE;IACpC,IAAI,CAAC,CAAC,CAAC,YAAY,IAAI,CAAC,CAAC,CAAC,CAAC,MAAM,YAAY,WAAW,CAAC,EAAE;QAC1D,OAAO;KACP;IAED,IAAI,CAAC,oBAAoB,CAAC,GAAG,CAAC,CAAC,CAAC,MAAM,CAAC,EAAE;QACxC,cAAc,GAAG,CAAC,CAAC,MAAM,CAAC;KAC1B;AACF,CAAC,CAAC;AAEF,MAAM,SAAS,GAAG,GAAG,EAAE;IACtB,cAAc,GAAG,IAAI,CAAC;AACvB,CAAC,CAAC;AAEF,MAAM,MAAM,GAAG,GAAG,EAAE;IACnB,cAAc,GAAG,IAAI,CAAC;AACvB,CAAC,CAAC;AAEF,MAAM,iBAAiB,GAAG,CAAC,OAA2B,EAAE,EAAE;IACzD,cAAc,GAAG,OAAO,CAAC;AAC1B,CAAC,CAAC;AAGF,MAAM,iBAAiB,GAAG,GAAG,EAAE;IAC9B,OAAO,cAAc,CAAC;AACvB,CAAC,CAAC;AAEF,MAAM,oBAAoB,GAAG,GAAG,EAAE;IACjC,IAAI,sBAAsB,EAAE;QAC3B,OAAO;KACP;IAED,QAAQ,CAAC,IAAI,CAAC,gBAAgB,CAAC,WAAW,EAAE,WAAW,CAAC,CAAC;IACzD,QAAQ,CAAC,IAAI,CAAC,gBAAgB,CAAC,SAAS,EAAE,SAAS,CAAC,CAAC;IACrD,QAAQ,CAAC,IAAI,CAAC,gBAAgB,CAAC,MAAM,EAAE,MAAM,CAAC,CAAC;AAChD,CAAC,CAAC;AAEF,MAAM,oBAAoB,GAAG,GAAG,EAAE;IACjC,QAAQ,CAAC,IAAI,CAAC,mBAAmB,CAAC,WAAW,EAAE,WAAW,CAAC,CAAC;IAC5D,QAAQ,CAAC,IAAI,CAAC,mBAAmB,CAAC,SAAS,EAAE,SAAS,CAAC,CAAC;IACxD,QAAQ,CAAC,IAAI,CAAC,mBAAmB,CAAC,MAAM,EAAE,MAAM,CAAC,CAAC;IAClD,sBAAsB,GAAG,KAAK,CAAC;AAChC,CAAC,CAAC;AAEF,MAAM,SAAS,GAAG,CAAC,UAAsB,EAAE,EAAE;IAC5C,WAAW,CAAC,GAAG,CAAC,UAAU,CAAC,CAAC;IAE5B,IAAI,CAAC,sBAAsB,EAAE;QAC5B,oBAAoB,EAAE,CAAC;KACvB;AACF,CAAC,CAAC;AAEF,MAAM,WAAW,GAAG,CAAC,UAAsB,EAAE,EAAE;IAC9C,WAAW,CAAC,MAAM,CAAC,UAAU,CAAC,CAAC;IAE/B,IAAI,WAAW,CAAC,IAAI,KAAK,CAAC,IAAI,sBAAsB,EAAE;QACrD,oBAAoB,EAAE,CAAC;KACvB;AACF,CAAC,CAAC;AAEF,MAAM,kBAAkB,GAAG,CAAC,IAA8B,EAAE,EAAE;IAC7D,oBAAoB,CAAC,GAAG,CAAC,IAAI,CAAC,CAAC;IAE/B,OAAO,iBAAiB,CAAC;AAC1B,CAAC,CAAC;AAEF,MAAM,qBAAqB,GAAG,CAAC,IAA8B,EAAE,EAAE;IAChE,oBAAoB,CAAC,MAAM,CAAC,IAAI,CAAC,CAAC;AACnC,CAAC,CAAC;AAEF,MAAM,YAAY,GAAG;IACpB,SAAS;IACT,WAAW;IACX,kBAAkB;IAClB,qBAAqB;IACrB,iBAAiB;CACjB,CAAC;AAEF,eAAe,YAAY,CAAC","sourcesContent":["import type UI5Element from \"../../UI5Element.js\";\n\nlet draggedElement: HTMLElement | null = null;\nlet globalHandlersAttached = false;\nconst subscribers = new Set();\nconst selfManagedDragAreas = new Set();\n\nconst ondragstart = (e: DragEvent) => {\n\tif (!e.dataTransfer || !(e.target instanceof HTMLElement)) {\n\t\treturn;\n\t}\n\n\tif (!selfManagedDragAreas.has(e.target)) {\n\t\tdraggedElement = e.target;\n\t}\n};\n\nconst ondragend = () => {\n\tdraggedElement = null;\n};\n\nconst ondrop = () => {\n\tdraggedElement = null;\n};\n\nconst setDraggedElement = (element: HTMLElement | null) => {\n\tdraggedElement = element;\n};\ntype SetDraggedElementFunction = typeof setDraggedElement;\n\nconst getDraggedElement = () => {\n\treturn draggedElement;\n};\n\nconst attachGlobalHandlers = () => {\n\tif (globalHandlersAttached) {\n\t\treturn;\n\t}\n\n\tdocument.body.addEventListener(\"dragstart\", ondragstart);\n\tdocument.body.addEventListener(\"dragend\", ondragend);\n\tdocument.body.addEventListener(\"drop\", ondrop);\n};\n\nconst detachGlobalHandlers = () => {\n\tdocument.body.removeEventListener(\"dragstart\", ondragstart);\n\tdocument.body.removeEventListener(\"dragend\", ondragend);\n\tdocument.body.removeEventListener(\"drop\", ondrop);\n\tglobalHandlersAttached = false;\n};\n\nconst subscribe = (subscriber: UI5Element) => {\n\tsubscribers.add(subscriber);\n\n\tif (!globalHandlersAttached) {\n\t\tattachGlobalHandlers();\n\t}\n};\n\nconst unsubscribe = (subscriber: UI5Element) => {\n\tsubscribers.delete(subscriber);\n\n\tif (subscribers.size === 0 && globalHandlersAttached) {\n\t\tdetachGlobalHandlers();\n\t}\n};\n\nconst addSelfManagedArea = (area: HTMLElement | ShadowRoot) => {\n\tselfManagedDragAreas.add(area);\n\n\treturn setDraggedElement;\n};\n\nconst removeSelfManagedArea = (area: HTMLElement | ShadowRoot) => {\n\tselfManagedDragAreas.delete(area);\n};\n\nconst DragRegistry = {\n\tsubscribe,\n\tunsubscribe,\n\taddSelfManagedArea,\n\tremoveSelfManagedArea,\n\tgetDraggedElement,\n};\n\nexport default DragRegistry;\nexport type {\n\tSetDraggedElementFunction,\n};\n"]}