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/****************************************************************************** * Spine Runtimes License Agreement * Last updated April 5, 2025. Replaces all prior versions. * * Copyright (c) 2013-2025, Esoteric Software LLC * * Integration of the Spine Runtimes into software or otherwise creating * derivative works of the Spine Runtimes is permitted under the terms and * conditions of Section 2 of the Spine Editor License Agreement: * http://esotericsoftware.com/spine-editor-license * * Otherwise, it is permitted to integrate the Spine Runtimes into software * or otherwise create derivative works of the Spine Runtimes (collectively, * "Products"), provided that each user of the Products must obtain their own * Spine Editor license and redistribution of the Products in any form must * include this license and copyright notice. * * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, * BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *****************************************************************************/ export class Input { element; mouseX = 0; mouseY = 0; buttonDown = false; touch0 = null; touch1 = null; initialPinchDistance = 0; listeners = new Array(); autoPreventDefault; // this is needed because browsers sends mousedown-mousemove-mousesup after a touch sequence, unless touch end preventDefault // but preventing default will result in preventing interaction with the page. isTouch = false; callbacks; constructor(element, autoPreventDefault = true) { this.element = element; this.autoPreventDefault = autoPreventDefault; this.callbacks = this.setupCallbacks(element); } setupCallbacks(element) { const mouseDown = (ev) => { if (ev instanceof MouseEvent && !this.isTouch) { let rect = element.getBoundingClientRect(); this.mouseX = ev.clientX - rect.left; this.mouseY = ev.clientY - rect.top; this.buttonDown = true; this.listeners.map((listener) => { if (listener.down) listener.down(this.mouseX, this.mouseY, ev); }); } }; const mouseMove = (ev) => { if (ev instanceof MouseEvent && !this.isTouch) { let rect = element.getBoundingClientRect(); this.mouseX = ev.clientX - rect.left; this.mouseY = ev.clientY - rect.top; this.listeners.map((listener) => { if (this.buttonDown) { if (listener.dragged) listener.dragged(this.mouseX, this.mouseY, ev); } else { if (listener.moved) listener.moved(this.mouseX, this.mouseY, ev); } }); } }; const mouseUp = (ev) => { if (ev instanceof MouseEvent && !this.isTouch) { let rect = element.getBoundingClientRect(); this.mouseX = ev.clientX - rect.left; ; this.mouseY = ev.clientY - rect.top; this.buttonDown = false; this.listeners.map((listener) => { if (listener.up) listener.up(this.mouseX, this.mouseY, ev); }); } }; const mouseWheel = (ev) => { if (this.autoPreventDefault) ev.preventDefault(); let deltaY = ev.deltaY; if (ev.deltaMode == WheelEvent.DOM_DELTA_LINE) deltaY *= 8; if (ev.deltaMode == WheelEvent.DOM_DELTA_PAGE) deltaY *= 24; this.listeners.map((listener) => { if (listener.wheel) listener.wheel(ev.deltaY, ev); }); }; const touchStart = (ev) => { this.isTouch = true; if (!this.touch0 || !this.touch1) { var touches = ev.changedTouches; let nativeTouch = touches.item(0); if (!nativeTouch) return; let rect = element.getBoundingClientRect(); let x = nativeTouch.clientX - rect.left; let y = nativeTouch.clientY - rect.top; let touch = new Touch(nativeTouch.identifier, x, y); this.mouseX = x; this.mouseY = y; this.buttonDown = true; if (!this.touch0) { this.touch0 = touch; this.listeners.map((listener) => { if (listener.down) listener.down(touch.x, touch.y, ev); }); } else if (!this.touch1) { this.touch1 = touch; let dx = this.touch1.x - this.touch0.x; let dy = this.touch1.x - this.touch0.x; this.initialPinchDistance = Math.sqrt(dx * dx + dy * dy); this.listeners.map((listener) => { if (listener.zoom) listener.zoom(this.initialPinchDistance, this.initialPinchDistance, ev); }); } } if (this.autoPreventDefault) ev.preventDefault(); }; const touchMove = (ev) => { this.isTouch = true; if (this.touch0) { var touches = ev.changedTouches; let rect = element.getBoundingClientRect(); for (var i = 0; i < touches.length; i++) { var nativeTouch = touches[i]; let x = nativeTouch.clientX - rect.left; let y = nativeTouch.clientY - rect.top; if (this.touch0.identifier === nativeTouch.identifier) { this.touch0.x = this.mouseX = x; this.touch0.y = this.mouseY = y; this.listeners.map((listener) => { if (listener.dragged) listener.dragged(x, y, ev); }); } if (this.touch1 && this.touch1.identifier === nativeTouch.identifier) { this.touch1.x = this.mouseX = x; this.touch1.y = this.mouseY = y; } } if (this.touch0 && this.touch1) { let dx = this.touch1.x - this.touch0.x; let dy = this.touch1.x - this.touch0.x; let distance = Math.sqrt(dx * dx + dy * dy); this.listeners.map((listener) => { if (listener.zoom) listener.zoom(this.initialPinchDistance, distance, ev); }); } } if (this.autoPreventDefault) ev.preventDefault(); }; const touchEnd = (ev) => { this.isTouch = true; if (this.touch0) { var touches = ev.changedTouches; let rect = element.getBoundingClientRect(); for (var i = 0; i < touches.length; i++) { var nativeTouch = touches[i]; let x = nativeTouch.clientX - rect.left; let y = nativeTouch.clientY - rect.top; if (this.touch0.identifier === nativeTouch.identifier) { this.touch0 = null; this.mouseX = x; this.mouseY = y; this.listeners.map((listener) => { if (listener.up) listener.up(x, y, ev); }); if (!this.touch1) { this.buttonDown = false; break; } else { this.touch0 = this.touch1; this.touch1 = null; this.mouseX = this.touch0.x; this.mouseX = this.touch0.x; this.buttonDown = true; this.listeners.map((listener) => { if (listener.down) listener.down(this.touch0.x, this.touch0.y, ev); }); } } if (this.touch1 && this.touch1.identifier) { this.touch1 = null; } } } if (this.autoPreventDefault) ev.preventDefault(); }; element.addEventListener("mousedown", mouseDown, true); element.addEventListener("mousemove", mouseMove, true); element.addEventListener("mouseup", mouseUp, true); element.addEventListener("wheel", mouseWheel, true); element.addEventListener("touchstart", touchStart, { passive: false, capture: false }); element.addEventListener("touchmove", touchMove, { passive: false, capture: false }); element.addEventListener("touchend", touchEnd, { passive: false, capture: false }); element.addEventListener("touchcancel", touchEnd); return { mouseDown, mouseMove, mouseUp, mouseWheel, touchStart, touchMove, touchEnd, }; } dispose() { const element = this.element; element.removeEventListener("mousedown", this.callbacks.mouseDown, true); element.removeEventListener("mousemove", this.callbacks.mouseMove, true); element.removeEventListener("mouseup", this.callbacks.mouseUp, true); element.removeEventListener("wheel", this.callbacks.mouseWheel, true); element.removeEventListener("touchstart", this.callbacks.touchStart, { capture: false }); element.removeEventListener("touchmove", this.callbacks.touchMove, { capture: false }); element.removeEventListener("touchend", this.callbacks.touchEnd, { capture: false }); element.removeEventListener("touchcancel", this.callbacks.touchEnd); this.listeners.length = 0; } addListener(listener) { this.listeners.push(listener); } removeListener(listener) { let idx = this.listeners.indexOf(listener); if (idx > -1) { this.listeners.splice(idx, 1); } } } export class Touch { identifier; x; y; constructor(identifier, x, y) { this.identifier = identifier; this.x = x; this.y = y; } } //# 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* Spine Runtimes License Agreement\n * Last updated April 5, 2025. Replaces all prior versions.\n *\n * Copyright (c) 2013-2025, Esoteric Software LLC\n *\n * Integration of the Spine Runtimes into software or otherwise creating\n * derivative works of the Spine Runtimes is permitted under the terms and\n * conditions of Section 2 of the Spine Editor License Agreement:\n * http://esotericsoftware.com/spine-editor-license\n *\n * Otherwise, it is permitted to integrate the Spine Runtimes into software\n * or otherwise create derivative works of the Spine Runtimes (collectively,\n * \"Products\"), provided that each user of the Products must obtain their own\n * Spine Editor license and redistribution of the Products in any form must\n * include this license and copyright notice.\n *\n * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC \"AS IS\" AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n * DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY\n * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,\n * BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND\n * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF\n * THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n *****************************************************************************/\n\nimport { Disposable } from \"./index.js\"\nexport class Input implements Disposable {\n\telement: HTMLElement;\n\tmouseX = 0;\n\tmouseY = 0;\n\tbuttonDown = false;\n\ttouch0: Touch | null = null;\n\ttouch1: Touch | null = null;\n\tinitialPinchDistance = 0;\n\tprivate listeners = new Array<InputListener>();\n\tprivate autoPreventDefault: boolean;\n\n\t// this is needed because browsers sends mousedown-mousemove-mousesup after a touch sequence, unless touch end preventDefault\n\t// but preventing default will result in preventing interaction with the page.\n\tprivate isTouch = false;\n\n\tprivate callbacks: {\n\t\tmouseDown: (ev: UIEvent) => void;\n\t\tmouseMove: (ev: UIEvent) => void;\n\t\tmouseUp: (ev: UIEvent) => void;\n\t\tmouseWheel: (ev: WheelEvent) => void;\n\t\ttouchStart: (ev: TouchEvent) => void;\n\t\ttouchMove: (ev: TouchEvent) => void;\n\t\ttouchEnd: (ev: TouchEvent) => void;\n\t};\n\n\tconstructor (element: HTMLElement, autoPreventDefault = true) {\n\t\tthis.element = element;\n\t\tthis.autoPreventDefault = autoPreventDefault;\n\t\tthis.callbacks = this.setupCallbacks(element);\n\t}\n\n\tprivate setupCallbacks (element: HTMLElement) {\n\t\tconst mouseDown = (ev: UIEvent) => {\n\t\t\tif (ev instanceof MouseEvent && !this.isTouch) {\n\t\t\t\tlet rect = element.getBoundingClientRect();\n\t\t\t\tthis.mouseX = ev.clientX - rect.left;\n\t\t\t\tthis.mouseY = ev.clientY - rect.top;\n\t\t\t\tthis.buttonDown = true;\n\t\t\t\tthis.listeners.map((listener) => { if (listener.down) listener.down(this.mouseX, this.mouseY, ev); });\n\t\t\t}\n\t\t}\n\n\t\tconst mouseMove = (ev: UIEvent) => {\n\t\t\tif (ev instanceof MouseEvent && !this.isTouch) {\n\t\t\t\tlet rect = element.getBoundingClientRect();\n\t\t\t\tthis.mouseX = ev.clientX - rect.left;\n\t\t\t\tthis.mouseY = ev.clientY - rect.top;\n\n\t\t\t\tthis.listeners.map((listener) => {\n\t\t\t\t\tif (this.buttonDown) {\n\t\t\t\t\t\tif (listener.dragged) listener.dragged(this.mouseX, this.mouseY, ev);\n\t\t\t\t\t} else {\n\t\t\t\t\t\tif (listener.moved) listener.moved(this.mouseX, this.mouseY, ev);\n\t\t\t\t\t}\n\t\t\t\t});\n\t\t\t}\n\t\t};\n\n\t\tconst mouseUp = (ev: UIEvent) => {\n\t\t\tif (ev instanceof MouseEvent && !this.isTouch) {\n\t\t\t\tlet rect = element.getBoundingClientRect();\n\t\t\t\tthis.mouseX = ev.clientX - rect.left;;\n\t\t\t\tthis.mouseY = ev.clientY - rect.top;\n\t\t\t\tthis.buttonDown = false;\n\t\t\t\tthis.listeners.map((listener) => { if (listener.up) listener.up(this.mouseX, this.mouseY, ev); });\n\t\t\t}\n\t\t}\n\n\t\tconst mouseWheel = (ev: WheelEvent) => {\n\t\t\tif (this.autoPreventDefault) ev.preventDefault();\n\t\t\tlet deltaY = ev.deltaY;\n\t\t\tif (ev.deltaMode == WheelEvent.DOM_DELTA_LINE) deltaY *= 8;\n\t\t\tif (ev.deltaMode == WheelEvent.DOM_DELTA_PAGE) deltaY *= 24;\n\t\t\tthis.listeners.map((listener) => { if (listener.wheel) listener.wheel(ev.deltaY, ev); });\n\t\t};\n\n\t\tconst touchStart = (ev: TouchEvent) => {\n\t\t\tthis.isTouch = true;\n\t\t\tif (!this.touch0 || !this.touch1) {\n\t\t\t\tvar touches = ev.changedTouches;\n\t\t\t\tlet nativeTouch = touches.item(0);\n\t\t\t\tif (!nativeTouch) return;\n\t\t\t\tlet rect = element.getBoundingClientRect();\n\t\t\t\tlet x = nativeTouch.clientX - rect.left;\n\t\t\t\tlet y = nativeTouch.clientY - rect.top;\n\t\t\t\tlet touch = new Touch(nativeTouch.identifier, x, y);\n\t\t\t\tthis.mouseX = x;\n\t\t\t\tthis.mouseY = y;\n\t\t\t\tthis.buttonDown = true;\n\n\t\t\t\tif (!this.touch0) {\n\t\t\t\t\tthis.touch0 = touch;\n\t\t\t\t\tthis.listeners.map((listener) => { if (listener.down) listener.down(touch.x, touch.y, ev) })\n\t\t\t\t} else if (!this.touch1) {\n\t\t\t\t\tthis.touch1 = touch;\n\t\t\t\t\tlet dx = this.touch1.x - this.touch0.x;\n\t\t\t\t\tlet dy = this.touch1.x - this.touch0.x;\n\t\t\t\t\tthis.initialPinchDistance = Math.sqrt(dx * dx + dy * dy);\n\t\t\t\t\tthis.listeners.map((listener) => { if (listener.zoom) listener.zoom(this.initialPinchDistance, this.initialPinchDistance, ev) });\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (this.autoPreventDefault) ev.preventDefault();\n\t\t}\n\n\t\tconst touchMove = (ev: TouchEvent) => {\n\t\t\tthis.isTouch = true;\n\t\t\tif (this.touch0) {\n\t\t\t\tvar touches = ev.changedTouches;\n\t\t\t\tlet rect = element.getBoundingClientRect();\n\t\t\t\tfor (var i = 0; i < touches.length; i++) {\n\t\t\t\t\tvar nativeTouch = touches[i];\n\t\t\t\t\tlet x = nativeTouch.clientX - rect.left;\n\t\t\t\t\tlet y = nativeTouch.clientY - rect.top;\n\n\t\t\t\t\tif (this.touch0.identifier === nativeTouch.identifier) {\n\t\t\t\t\t\tthis.touch0.x = this.mouseX = x;\n\t\t\t\t\t\tthis.touch0.y = this.mouseY = y;\n\t\t\t\t\t\tthis.listeners.map((listener) => { if (listener.dragged) listener.dragged(x, y, ev) });\n\t\t\t\t\t}\n\t\t\t\t\tif (this.touch1 && this.touch1.identifier === nativeTouch.identifier) {\n\t\t\t\t\t\tthis.touch1.x = this.mouseX = x;\n\t\t\t\t\t\tthis.touch1.y = this.mouseY = y;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tif (this.touch0 && this.touch1) {\n\t\t\t\t\tlet dx = this.touch1.x - this.touch0.x;\n\t\t\t\t\tlet dy = this.touch1.x - this.touch0.x;\n\t\t\t\t\tlet distance = Math.sqrt(dx * dx + dy * dy);\n\t\t\t\t\tthis.listeners.map((listener) => { if (listener.zoom) listener.zoom(this.initialPinchDistance, distance, ev) });\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (this.autoPreventDefault) ev.preventDefault();\n\t\t}\n\n\t\tconst touchEnd = (ev: TouchEvent) => {\n\t\t\tthis.isTouch = true;\n\t\t\tif (this.touch0) {\n\t\t\t\tvar touches = ev.changedTouches;\n\t\t\t\tlet rect = element.getBoundingClientRect();\n\n\t\t\t\tfor (var i = 0; i < touches.length; i++) {\n\t\t\t\t\tvar nativeTouch = touches[i];\n\t\t\t\t\tlet x = nativeTouch.clientX - rect.left;\n\t\t\t\t\tlet y = nativeTouch.clientY - rect.top;\n\n\t\t\t\t\tif (this.touch0.identifier === nativeTouch.identifier) {\n\t\t\t\t\t\tthis.touch0 = null;\n\t\t\t\t\t\tthis.mouseX = x;\n\t\t\t\t\t\tthis.mouseY = y;\n\t\t\t\t\t\tthis.listeners.map((listener) => { if (listener.up) listener.up(x, y, ev) });\n\n\t\t\t\t\t\tif (!this.touch1) {\n\t\t\t\t\t\t\tthis.buttonDown = false;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tthis.touch0 = this.touch1;\n\t\t\t\t\t\t\tthis.touch1 = null;\n\t\t\t\t\t\t\tthis.mouseX = this.touch0.x;\n\t\t\t\t\t\t\tthis.mouseX = this.touch0.x;\n\t\t\t\t\t\t\tthis.buttonDown = true;\n\t\t\t\t\t\t\tthis.listeners.map((listener) => { if (listener.down) listener.down(this.touch0!.x, this.touch0!.y, ev) });\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\tif (this.touch1 && this.touch1.identifier) {\n\t\t\t\t\t\tthis.touch1 = null;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (this.autoPreventDefault) ev.preventDefault();\n\t\t};\n\n\t\telement.addEventListener(\"mousedown\", mouseDown, true);\n\t\telement.addEventListener(\"mousemove\", mouseMove, true);\n\t\telement.addEventListener(\"mouseup\", mouseUp, true);\n\t\telement.addEventListener(\"wheel\", mouseWheel, true);\n\t\telement.addEventListener(\"touchstart\", touchStart, { passive: false, capture: false });\n\t\telement.addEventListener(\"touchmove\", touchMove, { passive: false, capture: false });\n\t\telement.addEventListener(\"touchend\", touchEnd, { passive: false, capture: false });\n\t\telement.addEventListener(\"touchcancel\", touchEnd);\n\n\t\treturn {\n\t\t\tmouseDown,\n\t\t\tmouseMove,\n\t\t\tmouseUp,\n\t\t\tmouseWheel,\n\t\t\ttouchStart,\n\t\t\ttouchMove,\n\t\t\ttouchEnd,\n\t\t}\n\t}\n\n\tdispose (): void {\n\t\tconst element = this.element;\n\t\telement.removeEventListener(\"mousedown\", this.callbacks.mouseDown, true);\n\t\telement.removeEventListener(\"mousemove\", this.callbacks.mouseMove, true);\n\t\telement.removeEventListener(\"mouseup\", this.callbacks.mouseUp, true);\n\t\telement.removeEventListener(\"wheel\", this.callbacks.mouseWheel, true);\n\t\telement.removeEventListener(\"touchstart\", this.callbacks.touchStart, { capture: false });\n\t\telement.removeEventListener(\"touchmove\", this.callbacks.touchMove, { capture: false });\n\t\telement.removeEventListener(\"touchend\", this.callbacks.touchEnd, { capture: false });\n\t\telement.removeEventListener(\"touchcancel\", this.callbacks.touchEnd);\n\t\tthis.listeners.length = 0;\n\t}\n\n\taddListener (listener: InputListener) {\n\t\tthis.listeners.push(listener);\n\t}\n\n\tremoveListener (listener: InputListener) {\n\t\tlet idx = this.listeners.indexOf(listener);\n\t\tif (idx > -1) {\n\t\t\tthis.listeners.splice(idx, 1);\n\t\t}\n\t}\n}\n\nexport class Touch {\n\tconstructor (public identifier: number, public x: number, public y: number) {\n\t}\n}\n\nexport interface InputListener {\n\tdown?(x: number, y: number, ev?: MouseEvent | TouchEvent): void;\n\tup?(x: number, y: number, ev?: MouseEvent | TouchEvent): void;\n\tmoved?(x: number, y: number, ev?: MouseEvent | TouchEvent): void;\n\tdragged?(x: number, y: number, ev?: MouseEvent | TouchEvent): void;\n\twheel?(delta: number, ev?: MouseEvent | TouchEvent): void;\n\tzoom?(initialDistance: number, distance: number, ev?: MouseEvent | TouchEvent): void;\n}\n"]}