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library_html5.js
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// Copyright 2014 The Emscripten Authors. All rights reserved.
// Emscripten is available under two separate licenses, the MIT license and the
// University of Illinois/NCSA Open Source License. Both these licenses can be
// found in the LICENSE file.
var LibraryJSEvents = {
$JSEvents: {
// pointers to structs malloc()ed to Emscripten HEAP for JS->C interop.
keyEvent: 0,
mouseEvent: 0,
wheelEvent: 0,
uiEvent: 0,
focusEvent: 0,
deviceOrientationEvent: 0,
deviceMotionEvent: 0,
fullscreenChangeEvent: 0,
pointerlockChangeEvent: 0,
visibilityChangeEvent: 0,
touchEvent: 0,
// When we transition from fullscreen to windowed mode, we remember here the element that was just in fullscreen mode
// so that we can report information about that element in the event message.
previousFullscreenElement: null,
// Remember the current mouse coordinates in case we need to emulate movementXY generation for browsers that don't support it.
// Some browsers (e.g. Safari 6.0.5) only give movementXY when Pointerlock is active.
previousScreenX: null,
previousScreenY: null,
// When the C runtime exits via exit(), we unregister all event handlers added by this library to be nice and clean.
// Track in this field whether we have yet registered that __ATEXIT__ handler.
removeEventListenersRegistered: false,
removeAllEventListeners: function() {
for(var i = JSEvents.eventHandlers.length-1; i >= 0; --i) {
JSEvents._removeHandler(i);
}
JSEvents.eventHandlers = [];
JSEvents.deferredCalls = [];
},
#if !MINIMAL_RUNTIME // In minimal runtime, there is no concept of the page running vs being closed, and hence __ATEXIT__ is not present
registerRemoveEventListeners: function() {
if (!JSEvents.removeEventListenersRegistered) {
__ATEXIT__.push(JSEvents.removeAllEventListeners);
JSEvents.removeEventListenersRegistered = true;
}
},
#endif
deferredCalls: [],
// Queues the given function call to occur the next time we enter an event handler.
// Existing implementations of pointerlock apis have required that
// the target element is active in fullscreen mode first. Thefefore give
// fullscreen mode request a precedence of 1 and pointer lock a precedence of 2
// and sort by that to always request fullscreen before pointer lock.
deferCall: function(targetFunction, precedence, argsList) {
function arraysHaveEqualContent(arrA, arrB) {
if (arrA.length != arrB.length) return false;
for(var i in arrA) {
if (arrA[i] != arrB[i]) return false;
}
return true;
}
// Test if the given call was already queued, and if so, don't add it again.
for(var i in JSEvents.deferredCalls) {
var call = JSEvents.deferredCalls[i];
if (call.targetFunction == targetFunction && arraysHaveEqualContent(call.argsList, argsList)) {
return;
}
}
JSEvents.deferredCalls.push({
targetFunction: targetFunction,
precedence: precedence,
argsList: argsList
});
JSEvents.deferredCalls.sort(function(x,y) { return x.precedence < y.precedence; });
},
// Erases all deferred calls to the given target function from the queue list.
removeDeferredCalls: function(targetFunction) {
for(var i = 0; i < JSEvents.deferredCalls.length; ++i) {
if (JSEvents.deferredCalls[i].targetFunction == targetFunction) {
JSEvents.deferredCalls.splice(i, 1);
--i;
}
}
},
canPerformEventHandlerRequests: function() {
return JSEvents.inEventHandler && JSEvents.currentEventHandler.allowsDeferredCalls;
},
runDeferredCalls: function() {
if (!JSEvents.canPerformEventHandlerRequests()) {
return;
}
for(var i = 0; i < JSEvents.deferredCalls.length; ++i) {
var call = JSEvents.deferredCalls[i];
JSEvents.deferredCalls.splice(i, 1);
--i;
call.targetFunction.apply(this, call.argsList);
}
},
// If positive, we are currently executing in a JS event handler.
inEventHandler: 0,
// If we are in an event handler, specifies the event handler object from the eventHandlers array that is currently running.
currentEventHandler: null,
// Stores objects representing each currently registered JS event handler.
eventHandlers: [],
isInternetExplorer: function() { return navigator.userAgent.indexOf('MSIE') !== -1 || navigator.appVersion.indexOf('Trident/') > 0; },
// Removes all event handlers on the given DOM element of the given type. Pass in eventTypeString == undefined/null to remove all event handlers regardless of the type.
removeAllHandlersOnTarget: function(target, eventTypeString) {
for(var i = 0; i < JSEvents.eventHandlers.length; ++i) {
if (JSEvents.eventHandlers[i].target == target &&
(!eventTypeString || eventTypeString == JSEvents.eventHandlers[i].eventTypeString)) {
JSEvents._removeHandler(i--);
}
}
},
_removeHandler: function(i) {
var h = JSEvents.eventHandlers[i];
h.target.removeEventListener(h.eventTypeString, h.eventListenerFunc, h.useCapture);
JSEvents.eventHandlers.splice(i, 1);
},
registerOrRemoveHandler: function(eventHandler) {
var jsEventHandler = function jsEventHandler(event) {
// Increment nesting count for the event handler.
++JSEvents.inEventHandler;
JSEvents.currentEventHandler = eventHandler;
// Process any old deferred calls the user has placed.
JSEvents.runDeferredCalls();
// Process the actual event, calls back to user C code handler.
eventHandler.handlerFunc(event);
// Process any new deferred calls that were placed right now from this event handler.
JSEvents.runDeferredCalls();
// Out of event handler - restore nesting count.
--JSEvents.inEventHandler;
};
if (eventHandler.callbackfunc) {
eventHandler.eventListenerFunc = jsEventHandler;
eventHandler.target.addEventListener(eventHandler.eventTypeString, jsEventHandler, eventHandler.useCapture);
JSEvents.eventHandlers.push(eventHandler);
#if !MINIMAL_RUNTIME // In minimal runtime, there is no concept of the page running vs being closed, and hence __ATEXIT__ is not present
JSEvents.registerRemoveEventListeners();
#endif
} else {
for(var i = 0; i < JSEvents.eventHandlers.length; ++i) {
if (JSEvents.eventHandlers[i].target == eventHandler.target
&& JSEvents.eventHandlers[i].eventTypeString == eventHandler.eventTypeString) {
JSEvents._removeHandler(i--);
}
}
}
},
#if USE_PTHREADS
#if MINIMAL_RUNTIME
queueEventHandlerOnThread_iiii__deps: ['$stackSave', '$stackAlloc', '$stackRestore'],
#endif
queueEventHandlerOnThread_iiii: function(targetThread, eventHandlerFunc, eventTypeId, eventData, userData) {
var stackTop = stackSave();
var varargs = stackAlloc(12);
{{{ makeSetValue('varargs', 0, 'eventTypeId', 'i32') }}};
{{{ makeSetValue('varargs', 4, 'eventData', 'i32') }}};
{{{ makeSetValue('varargs', 8, 'userData', 'i32') }}};
_emscripten_async_queue_on_thread_(targetThread, {{{ cDefine('EM_FUNC_SIG_IIII') }}}, eventHandlerFunc, eventData, varargs);
stackRestore(stackTop);
},
#endif
#if USE_PTHREADS
getTargetThreadForEventCallback: function(targetThread) {
switch(targetThread) {
case {{{ cDefine('EM_CALLBACK_THREAD_CONTEXT_MAIN_BROWSER_THREAD') }}}: return 0; // The event callback for the current event should be called on the main browser thread. (0 == don't proxy)
case {{{ cDefine('EM_CALLBACK_THREAD_CONTEXT_CALLING_THREAD') }}}: return PThread.currentProxiedOperationCallerThread; // The event callback for the current event should be backproxied to the the thread that is registering the event.
default: return targetThread; // The event callback for the current event should be proxied to the given specific thread.
}
},
#endif
getBoundingClientRectOrZeros: function(target) {
return target.getBoundingClientRect ? target.getBoundingClientRect() : { left: 0, top: 0 };
},
pageScrollPos: function() {
if (pageXOffset > 0 || pageYOffset > 0) {
return [pageXOffset, pageYOffset];
}
if (typeof document.documentElement.scrollLeft !== 'undefined' || typeof document.documentElement.scrollTop !== 'undefined') {
return [document.documentElement.scrollLeft, document.documentElement.scrollTop];
}
return [document.body.scrollLeft|0, document.body.scrollTop|0];
},
getNodeNameForTarget: function(target) {
if (!target) return '';
if (target == window) return '#window';
if (target == screen) return '#screen';
return (target && target.nodeName) ? target.nodeName : '';
},
tick: function() {
if (window['performance'] && window['performance']['now']) return window['performance']['now']();
else return Date.now();
},
fullscreenEnabled: function() {
return document.fullscreenEnabled || document.mozFullScreenEnabled || document.webkitFullscreenEnabled || document.msFullscreenEnabled;
},
},
_registerKeyEventCallback__deps: ['$JSEvents', '_findEventTarget'],
_registerKeyEventCallback: function(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
#if USE_PTHREADS
targetThread = JSEvents.getTargetThreadForEventCallback(targetThread);
#endif
if (!JSEvents.keyEvent) JSEvents.keyEvent = _malloc( {{{ C_STRUCTS.EmscriptenKeyboardEvent.__size__ }}} );
var keyEventHandlerFunc = function(ev) {
var e = ev || event;
#if USE_PTHREADS
var keyEventData = targetThread ? _malloc( {{{ C_STRUCTS.EmscriptenKeyboardEvent.__size__ }}} ) : JSEvents.keyEvent; // This allocated block is passed as satellite data to the proxied function call, so the call frees up the data block when done.
#else
var keyEventData = JSEvents.keyEvent;
#endif
stringToUTF8(e.key ? e.key : "", keyEventData + {{{ C_STRUCTS.EmscriptenKeyboardEvent.key }}}, {{{ cDefine('EM_HTML5_SHORT_STRING_LEN_BYTES') }}});
stringToUTF8(e.code ? e.code : "", keyEventData + {{{ C_STRUCTS.EmscriptenKeyboardEvent.code }}}, {{{ cDefine('EM_HTML5_SHORT_STRING_LEN_BYTES') }}});
{{{ makeSetValue('keyEventData', C_STRUCTS.EmscriptenKeyboardEvent.location, 'e.location', 'i32') }}};
{{{ makeSetValue('keyEventData', C_STRUCTS.EmscriptenKeyboardEvent.ctrlKey, 'e.ctrlKey', 'i32') }}};
{{{ makeSetValue('keyEventData', C_STRUCTS.EmscriptenKeyboardEvent.shiftKey, 'e.shiftKey', 'i32') }}};
{{{ makeSetValue('keyEventData', C_STRUCTS.EmscriptenKeyboardEvent.altKey, 'e.altKey', 'i32') }}};
{{{ makeSetValue('keyEventData', C_STRUCTS.EmscriptenKeyboardEvent.metaKey, 'e.metaKey', 'i32') }}};
{{{ makeSetValue('keyEventData', C_STRUCTS.EmscriptenKeyboardEvent.repeat, 'e.repeat', 'i32') }}};
stringToUTF8(e.locale ? e.locale : "", keyEventData + {{{ C_STRUCTS.EmscriptenKeyboardEvent.locale }}}, {{{ cDefine('EM_HTML5_SHORT_STRING_LEN_BYTES') }}});
stringToUTF8(e.char ? e.char : "", keyEventData + {{{ C_STRUCTS.EmscriptenKeyboardEvent.charValue }}}, {{{ cDefine('EM_HTML5_SHORT_STRING_LEN_BYTES') }}});
{{{ makeSetValue('keyEventData', C_STRUCTS.EmscriptenKeyboardEvent.charCode, 'e.charCode', 'i32') }}};
{{{ makeSetValue('keyEventData', C_STRUCTS.EmscriptenKeyboardEvent.keyCode, 'e.keyCode', 'i32') }}};
{{{ makeSetValue('keyEventData', C_STRUCTS.EmscriptenKeyboardEvent.which, 'e.which', 'i32') }}};
#if USE_PTHREADS
if (targetThread) JSEvents.queueEventHandlerOnThread_iiii(targetThread, callbackfunc, eventTypeId, keyEventData, userData);
else
#endif
if ({{{ makeDynCall('iiii') }}}(callbackfunc, eventTypeId, keyEventData, userData)) e.preventDefault();
};
var eventHandler = {
target: __findEventTarget(target),
allowsDeferredCalls: JSEvents.isInternetExplorer() ? false : true, // MSIE doesn't allow fullscreen and pointerlock requests from key handlers, others do.
eventTypeString: eventTypeString,
callbackfunc: callbackfunc,
handlerFunc: keyEventHandlerFunc,
useCapture: useCapture
};
JSEvents.registerOrRemoveHandler(eventHandler);
},
// In DOM capturing and bubbling sequence, there are two special elements at the top of the event chain that can be of interest
// to register many events to: document and window. These cannot be addressed by using document.querySelector(), so
// a special mechanism to address them is needed. (For any other special object, such as screen.orientation, no general access
// scheme should be needed, but the object-specific event callback registration functions should handle them individually)
#if ENVIRONMENT_MAY_BE_WORKER || ENVIRONMENT_MAY_BE_NODE || ENVIRONMENT_MAY_BE_SHELL || USE_PTHREADS
_specialEventTargets: "[0, typeof document !== 'undefined' ? document : 0, typeof window !== 'undefined' ? window : 0]",
#else
_specialEventTargets: "[0, document, window]",
#endif
#if DISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR
_maybeCStringToJsString: function(cString) {
return cString === cString + 0 ? UTF8ToString(cString) : cString;
},
_findEventTarget__deps: ['_maybeCStringToJsString', '_specialEventTargets'],
_findEventTarget: function(target) {
#if ENVIRONMENT_MAY_BE_WORKER || ENVIRONMENT_MAY_BE_NODE
var domElement = __specialEventTargets[target] || (typeof document !== 'undefined' ? document.querySelector(__maybeCStringToJsString(target)) : undefined);
#else
var domElement = __specialEventTargets[target] || document.querySelector(__maybeCStringToJsString(target));
#endif
#if ASSERTIONS
// TODO: Remove this check in the future, or move it to some kind of debugging mode, because it may be perfectly fine behavior
// for one to query an event target to test if any DOM element with given CSS selector exists. However for a migration period
// from old lookup over to new, it is very useful to get diagnostics messages related to a lookup failing.
if (!domElement) err('No DOM element was found with CSS selector "' + __maybeCStringToJsString(target) + '"');
#endif
return domElement;
},
#if OFFSCREENCANVAS_SUPPORT
_findCanvasEventTarget__deps: ['$GL', '_maybeCStringToJsString'],
_findCanvasEventTarget: function(target) {
target = __maybeCStringToJsString(target);
// First look up if there exists an OffscreenCanvas with the given name.
var offscreenCanvas;
// TODO: Once Module['canvas'] is removed, clean up the following line:
if (target == '#canvas') offscreenCanvas = GL.offscreenCanvases['canvas'];
if (!offscreenCanvas) offscreenCanvas = GL.offscreenCanvases[target] || (target == 'canvas' && Object.keys(GL.offscreenCanvases)[0]); // First looks up by DOM ID ("#myCanvasElement"), second looks up by DOM element name (first found element of type <canvas>)
if (offscreenCanvas) return offscreenCanvas;
#if USE_PTHREADS
return (typeof document !== 'undefined') ? document.querySelector(target) : null;
#endif
},
#else
_findCanvasEventTarget__deps: ['_findEventTarget'],
_findCanvasEventTarget: function(target) { return __findEventTarget(target); },
#endif
#else
// Find a DOM element with the given ID.
_findEventTarget__deps: ['_specialEventTargets'],
_findEventTarget: function(target) {
#if ASSERTIONS
warnOnce('Rules for selecting event targets in HTML5 API are changing: instead of using document.getElementById() that only can refer to elements by their DOM ID, new event target selection mechanism uses the more flexible function document.querySelector() that can look up element names, classes, and complex CSS selectors. Build with -s DISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR=1 to change to the new lookup rules. See https://github.com/emscripten-core/emscripten/pull/7977 for more details.');
#endif
try {
// The sensible "default" target varies between events, but use window as the default
// since DOM events mostly can default to that. Specific callback registrations
// override their own defaults.
if (!target) return window;
if (typeof target === "number") target = __specialEventTargets[target] || UTF8ToString(target);
if (target === '#window') return window;
else if (target === '#document') return document;
else if (target === '#screen') return screen;
else if (target === '#canvas') return Module['canvas'];
return (typeof target === 'string') ? document.getElementById(target) : target;
} catch(e) {
// In Web Workers, some objects above, such as '#document' do not exist. Gracefully
// return null for them.
return null;
}
},
// Like findEventTarget, but looks for OffscreenCanvas elements first
_findCanvasEventTarget__deps: ['_findEventTarget'],
_findCanvasEventTarget: function(target) {
if (typeof target === 'number') target = UTF8ToString(target);
if (!target || target === '#canvas') {
if (typeof GL !== 'undefined' && GL.offscreenCanvases['canvas']) return GL.offscreenCanvases['canvas']; // TODO: Remove this line, target '#canvas' should refer only to Module['canvas'], not to GL.offscreenCanvases['canvas'] - but need stricter tests to be able to remove this line.
return Module['canvas'];
}
if (typeof GL !== 'undefined' && GL.offscreenCanvases[target]) return GL.offscreenCanvases[target];
return __findEventTarget(target);
},
#endif
emscripten_set_keypress_callback_on_thread__proxy: 'sync',
emscripten_set_keypress_callback_on_thread__sig: 'iiiiii',
emscripten_set_keypress_callback_on_thread__deps: ['_registerKeyEventCallback'],
emscripten_set_keypress_callback_on_thread: function(target, userData, useCapture, callbackfunc, targetThread) {
__registerKeyEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_KEYPRESS') }}}, "keypress", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
emscripten_set_keydown_callback_on_thread__proxy: 'sync',
emscripten_set_keydown_callback_on_thread__sig: 'iiiiii',
emscripten_set_keydown_callback_on_thread__deps: ['_registerKeyEventCallback'],
emscripten_set_keydown_callback_on_thread: function(target, userData, useCapture, callbackfunc, targetThread) {
__registerKeyEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_KEYDOWN') }}}, "keydown", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
emscripten_set_keyup_callback_on_thread__proxy: 'sync',
emscripten_set_keyup_callback_on_thread__sig: 'iiiiii',
emscripten_set_keyup_callback_on_thread__deps: ['_registerKeyEventCallback'],
emscripten_set_keyup_callback_on_thread: function(target, userData, useCapture, callbackfunc, targetThread) {
__registerKeyEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_KEYUP') }}}, "keyup", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
// Copies mouse event data from the given JS mouse event 'e' to the specified Emscripten mouse event structure in the HEAP.
// eventStruct: the structure to populate.
// e: The JS mouse event to read data from.
// target: Specifies a target DOM element that will be used as the reference to populate targetX and targetY parameters.
_fillMouseEventData__deps: ['$JSEvents'],
_fillMouseEventData: function(eventStruct, e, target) {
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.timestamp, 'JSEvents.tick()', 'double') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.screenX, 'e.screenX', 'i32') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.screenY, 'e.screenY', 'i32') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.clientX, 'e.clientX', 'i32') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.clientY, 'e.clientY', 'i32') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.ctrlKey, 'e.ctrlKey', 'i32') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.shiftKey, 'e.shiftKey', 'i32') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.altKey, 'e.altKey', 'i32') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.metaKey, 'e.metaKey', 'i32') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.button, 'e.button', 'i16') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.buttons, 'e.buttons', 'i16') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.movementX, 'e["movementX"] || e["mozMovementX"] || e["webkitMovementX"] || (e.screenX-JSEvents.previousScreenX)', 'i32') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.movementY, 'e["movementY"] || e["mozMovementY"] || e["webkitMovementY"] || (e.screenY-JSEvents.previousScreenY)', 'i32') }}};
#if !DISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR
if (Module['canvas']) {
var rect = Module['canvas'].getBoundingClientRect();
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.canvasX, 'e.clientX - rect.left', 'i32') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.canvasY, 'e.clientY - rect.top', 'i32') }}};
} else { // Canvas is not initialized, return 0.
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.canvasX, '0', 'i32') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.canvasY, '0', 'i32') }}};
}
#endif
if (target) {
var rect = JSEvents.getBoundingClientRectOrZeros(target);
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.targetX, 'e.clientX - rect.left', 'i32') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.targetY, 'e.clientY - rect.top', 'i32') }}};
} else { // No specific target passed, return 0.
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.targetX, '0', 'i32') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenMouseEvent.targetY, '0', 'i32') }}};
}
// wheel and mousewheel events contain wrong screenX/screenY on chrome/opera
// https://github.com/emscripten-core/emscripten/pull/4997
// https://bugs.chromium.org/p/chromium/issues/detail?id=699956
if (e.type !== 'wheel' && e.type !== 'mousewheel') {
JSEvents.previousScreenX = e.screenX;
JSEvents.previousScreenY = e.screenY;
}
},
_registerMouseEventCallback__deps: ['$JSEvents', '_fillMouseEventData', '_findEventTarget'],
_registerMouseEventCallback: function(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
#if USE_PTHREADS
targetThread = JSEvents.getTargetThreadForEventCallback(targetThread);
#endif
if (!JSEvents.mouseEvent) JSEvents.mouseEvent = _malloc( {{{ C_STRUCTS.EmscriptenMouseEvent.__size__ }}} );
target = __findEventTarget(target);
var mouseEventHandlerFunc = function(ev) {
var e = ev || event;
// TODO: Make this access thread safe, or this could update live while app is reading it.
__fillMouseEventData(JSEvents.mouseEvent, e, target);
#if USE_PTHREADS
if (targetThread) {
var mouseEventData = _malloc( {{{ C_STRUCTS.EmscriptenMouseEvent.__size__ }}} ); // This allocated block is passed as satellite data to the proxied function call, so the call frees up the data block when done.
__fillMouseEventData(mouseEventData, e, target);
JSEvents.queueEventHandlerOnThread_iiii(targetThread, callbackfunc, eventTypeId, mouseEventData, userData);
} else
#endif
if ({{{ makeDynCall('iiii') }}}(callbackfunc, eventTypeId, JSEvents.mouseEvent, userData)) e.preventDefault();
};
var eventHandler = {
target: target,
allowsDeferredCalls: eventTypeString != 'mousemove' && eventTypeString != 'mouseenter' && eventTypeString != 'mouseleave', // Mouse move events do not allow fullscreen/pointer lock requests to be handled in them!
eventTypeString: eventTypeString,
callbackfunc: callbackfunc,
handlerFunc: mouseEventHandlerFunc,
useCapture: useCapture
};
// In IE, mousedown events don't either allow deferred calls to be run!
if (JSEvents.isInternetExplorer() && eventTypeString == 'mousedown') eventHandler.allowsDeferredCalls = false;
JSEvents.registerOrRemoveHandler(eventHandler);
},
emscripten_set_click_callback_on_thread__proxy: 'sync',
emscripten_set_click_callback_on_thread__sig: 'iiiiii',
emscripten_set_click_callback_on_thread__deps: ['_registerMouseEventCallback'],
emscripten_set_click_callback_on_thread: function(target, userData, useCapture, callbackfunc, targetThread) {
__registerMouseEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_CLICK') }}}, "click", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
emscripten_set_mousedown_callback_on_thread__proxy: 'sync',
emscripten_set_mousedown_callback_on_thread__sig: 'iiiiii',
emscripten_set_mousedown_callback_on_thread__deps: ['_registerMouseEventCallback'],
emscripten_set_mousedown_callback_on_thread: function(target, userData, useCapture, callbackfunc, targetThread) {
__registerMouseEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_MOUSEDOWN') }}}, "mousedown", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
emscripten_set_mouseup_callback_on_thread__proxy: 'sync',
emscripten_set_mouseup_callback_on_thread__sig: 'iiiiii',
emscripten_set_mouseup_callback_on_thread__deps: ['_registerMouseEventCallback'],
emscripten_set_mouseup_callback_on_thread: function(target, userData, useCapture, callbackfunc, targetThread) {
__registerMouseEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_MOUSEUP') }}}, "mouseup", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
emscripten_set_dblclick_callback_on_thread__proxy: 'sync',
emscripten_set_dblclick_callback_on_thread__sig: 'iiiiii',
emscripten_set_dblclick_callback_on_thread__deps: ['_registerMouseEventCallback'],
emscripten_set_dblclick_callback_on_thread: function(target, userData, useCapture, callbackfunc, targetThread) {
__registerMouseEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_DBLCLICK') }}}, "dblclick", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
emscripten_set_mousemove_callback_on_thread__proxy: 'sync',
emscripten_set_mousemove_callback_on_thread__sig: 'iiiiii',
emscripten_set_mousemove_callback_on_thread__deps: ['_registerMouseEventCallback'],
emscripten_set_mousemove_callback_on_thread: function(target, userData, useCapture, callbackfunc, targetThread) {
__registerMouseEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_MOUSEMOVE') }}}, "mousemove", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
emscripten_set_mouseenter_callback_on_thread__proxy: 'sync',
emscripten_set_mouseenter_callback_on_thread__sig: 'iiiiii',
emscripten_set_mouseenter_callback_on_thread__deps: ['_registerMouseEventCallback'],
emscripten_set_mouseenter_callback_on_thread: function(target, userData, useCapture, callbackfunc, targetThread) {
__registerMouseEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_MOUSEENTER') }}}, "mouseenter", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
emscripten_set_mouseleave_callback_on_thread__proxy: 'sync',
emscripten_set_mouseleave_callback_on_thread__sig: 'iiiiii',
emscripten_set_mouseleave_callback_on_thread__deps: ['_registerMouseEventCallback'],
emscripten_set_mouseleave_callback_on_thread: function(target, userData, useCapture, callbackfunc, targetThread) {
__registerMouseEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_MOUSELEAVE') }}}, "mouseleave", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
emscripten_set_mouseover_callback_on_thread__proxy: 'sync',
emscripten_set_mouseover_callback_on_thread__sig: 'iiiiii',
emscripten_set_mouseover_callback_on_thread__deps: ['_registerMouseEventCallback'],
emscripten_set_mouseover_callback_on_thread: function(target, userData, useCapture, callbackfunc, targetThread) {
__registerMouseEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_MOUSEOVER') }}}, "mouseover", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
emscripten_set_mouseout_callback_on_thread__proxy: 'sync',
emscripten_set_mouseout_callback_on_thread__sig: 'iiiiii',
emscripten_set_mouseout_callback_on_thread__deps: ['_registerMouseEventCallback'],
emscripten_set_mouseout_callback_on_thread: function(target, userData, useCapture, callbackfunc, targetThread) {
__registerMouseEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_MOUSEOUT') }}}, "mouseout", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
emscripten_get_mouse_status__proxy: 'sync',
emscripten_get_mouse_status__sig: 'ii',
emscripten_get_mouse_status__deps: ['$JSEvents'],
emscripten_get_mouse_status: function(mouseState) {
if (!JSEvents.mouseEvent) return {{{ cDefine('EMSCRIPTEN_RESULT_NO_DATA') }}};
// HTML5 does not really have a polling API for mouse events, so implement one manually by
// returning the data from the most recently received event. This requires that user has registered
// at least some no-op function as an event handler to any of the mouse function.
HEAP8.set(HEAP8.subarray(JSEvents.mouseEvent, JSEvents.mouseEvent + {{{ C_STRUCTS.EmscriptenMouseEvent.__size__ }}}), mouseState);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
_registerWheelEventCallback__deps: ['$JSEvents', '_fillMouseEventData', '_findEventTarget'],
_registerWheelEventCallback: function(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
#if USE_PTHREADS
targetThread = JSEvents.getTargetThreadForEventCallback(targetThread);
#endif
if (!JSEvents.wheelEvent) JSEvents.wheelEvent = _malloc( {{{ C_STRUCTS.EmscriptenWheelEvent.__size__ }}} );
// The DOM Level 3 events spec event 'wheel'
var wheelHandlerFunc = function(ev) {
var e = ev || event;
#if USE_PTHREADS
var wheelEvent = targetThread ? _malloc( {{{ C_STRUCTS.EmscriptenWheelEvent.__size__ }}} ) : JSEvents.wheelEvent; // This allocated block is passed as satellite data to the proxied function call, so the call frees up the data block when done.
#else
var wheelEvent = JSEvents.wheelEvent;
#endif
__fillMouseEventData(wheelEvent, e, target);
{{{ makeSetValue('wheelEvent', C_STRUCTS.EmscriptenWheelEvent.deltaX, 'e["deltaX"]', 'double') }}};
{{{ makeSetValue('wheelEvent', C_STRUCTS.EmscriptenWheelEvent.deltaY, 'e["deltaY"]', 'double') }}};
{{{ makeSetValue('wheelEvent', C_STRUCTS.EmscriptenWheelEvent.deltaZ, 'e["deltaZ"]', 'double') }}};
{{{ makeSetValue('wheelEvent', C_STRUCTS.EmscriptenWheelEvent.deltaMode, 'e["deltaMode"]', 'i32') }}};
#if USE_PTHREADS
if (targetThread) JSEvents.queueEventHandlerOnThread_iiii(targetThread, callbackfunc, eventTypeId, wheelEvent, userData);
else
#endif
if ({{{ makeDynCall('iiii') }}}(callbackfunc, eventTypeId, wheelEvent, userData)) e.preventDefault();
};
// The 'mousewheel' event as implemented in Safari 6.0.5
var mouseWheelHandlerFunc = function(ev) {
var e = ev || event;
__fillMouseEventData(JSEvents.wheelEvent, e, target);
{{{ makeSetValue('JSEvents.wheelEvent', C_STRUCTS.EmscriptenWheelEvent.deltaX, 'e["wheelDeltaX"] || 0', 'double') }}};
{{{ makeSetValue('JSEvents.wheelEvent', C_STRUCTS.EmscriptenWheelEvent.deltaY, '-(e["wheelDeltaY"] || e["wheelDelta"]) /* 1. Invert to unify direction with the DOM Level 3 wheel event. 2. MSIE does not provide wheelDeltaY, so wheelDelta is used as a fallback. */', 'double') }}};
{{{ makeSetValue('JSEvents.wheelEvent', C_STRUCTS.EmscriptenWheelEvent.deltaZ, '0 /* Not available */', 'double') }}};
{{{ makeSetValue('JSEvents.wheelEvent', C_STRUCTS.EmscriptenWheelEvent.deltaMode, '0 /* DOM_DELTA_PIXEL */', 'i32') }}};
var shouldCancel = {{{ makeDynCall('iiii') }}}(callbackfunc, eventTypeId, JSEvents.wheelEvent, userData);
if (shouldCancel) {
e.preventDefault();
}
};
var eventHandler = {
target: target,
allowsDeferredCalls: true,
eventTypeString: eventTypeString,
callbackfunc: callbackfunc,
handlerFunc: (eventTypeString == 'wheel') ? wheelHandlerFunc : mouseWheelHandlerFunc,
useCapture: useCapture
};
JSEvents.registerOrRemoveHandler(eventHandler);
},
emscripten_set_wheel_callback_on_thread__proxy: 'sync',
emscripten_set_wheel_callback_on_thread__sig: 'iiiiii',
emscripten_set_wheel_callback_on_thread__deps: ['$JSEvents', '_registerWheelEventCallback', '_findEventTarget'],
emscripten_set_wheel_callback_on_thread: function(target, userData, useCapture, callbackfunc, targetThread) {
target = __findEventTarget(target);
if (typeof target.onwheel !== 'undefined') {
__registerWheelEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_WHEEL') }}}, "wheel", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
} else if (typeof target.onmousewheel !== 'undefined') {
__registerWheelEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_WHEEL') }}}, "mousewheel", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
} else {
return {{{ cDefine('EMSCRIPTEN_RESULT_NOT_SUPPORTED') }}};
}
},
_registerUiEventCallback__deps: ['$JSEvents', '_findEventTarget'],
_registerUiEventCallback: function(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
#if USE_PTHREADS
targetThread = JSEvents.getTargetThreadForEventCallback(targetThread);
#endif
if (!JSEvents.uiEvent) JSEvents.uiEvent = _malloc( {{{ C_STRUCTS.EmscriptenUiEvent.__size__ }}} );
#if DISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR
target = __findEventTarget(target);
#else
if (eventTypeString == "scroll" && !target) {
target = document; // By default read scroll events on document rather than window.
} else {
target = __findEventTarget(target);
}
#else
#endif
var uiEventHandlerFunc = function(ev) {
var e = ev || event;
if (e.target != target) {
// Never take ui events such as scroll via a 'bubbled' route, but always from the direct element that
// was targeted. Otherwise e.g. if app logs a message in response to a page scroll, the Emscripten log
// message box could cause to scroll, generating a new (bubbled) scroll message, causing a new log print,
// causing a new scroll, etc..
return;
}
var scrollPos = JSEvents.pageScrollPos();
#if USE_PTHREADS
var uiEvent = targetThread ? _malloc( {{{ C_STRUCTS.EmscriptenUiEvent.__size__ }}} ) : JSEvents.uiEvent;
#else
var uiEvent = JSEvents.uiEvent;
#endif
{{{ makeSetValue('uiEvent', C_STRUCTS.EmscriptenUiEvent.detail, 'e.detail', 'i32') }}};
{{{ makeSetValue('uiEvent', C_STRUCTS.EmscriptenUiEvent.documentBodyClientWidth, 'document.body.clientWidth', 'i32') }}};
{{{ makeSetValue('uiEvent', C_STRUCTS.EmscriptenUiEvent.documentBodyClientHeight, 'document.body.clientHeight', 'i32') }}};
{{{ makeSetValue('uiEvent', C_STRUCTS.EmscriptenUiEvent.windowInnerWidth, 'innerWidth', 'i32') }}};
{{{ makeSetValue('uiEvent', C_STRUCTS.EmscriptenUiEvent.windowInnerHeight, 'innerHeight', 'i32') }}};
{{{ makeSetValue('uiEvent', C_STRUCTS.EmscriptenUiEvent.windowOuterWidth, 'outerWidth', 'i32') }}};
{{{ makeSetValue('uiEvent', C_STRUCTS.EmscriptenUiEvent.windowOuterHeight, 'outerHeight', 'i32') }}};
{{{ makeSetValue('uiEvent', C_STRUCTS.EmscriptenUiEvent.scrollTop, 'scrollPos[0]', 'i32') }}};
{{{ makeSetValue('uiEvent', C_STRUCTS.EmscriptenUiEvent.scrollLeft, 'scrollPos[1]', 'i32') }}};
#if USE_PTHREADS
if (targetThread) JSEvents.queueEventHandlerOnThread_iiii(targetThread, callbackfunc, eventTypeId, uiEvent, userData);
else
#endif
if ({{{ makeDynCall('iiii') }}}(callbackfunc, eventTypeId, uiEvent, userData)) e.preventDefault();
};
var eventHandler = {
target: target,
allowsDeferredCalls: false, // Neither scroll or resize events allow running requests inside them.
eventTypeString: eventTypeString,
callbackfunc: callbackfunc,
handlerFunc: uiEventHandlerFunc,
useCapture: useCapture
};
JSEvents.registerOrRemoveHandler(eventHandler);
},
emscripten_set_resize_callback_on_thread__proxy: 'sync',
emscripten_set_resize_callback_on_thread__sig: 'iiiiii',
emscripten_set_resize_callback_on_thread__deps: ['_registerUiEventCallback'],
emscripten_set_resize_callback_on_thread: function(target, userData, useCapture, callbackfunc, targetThread) {
__registerUiEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_RESIZE') }}}, "resize", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
emscripten_set_scroll_callback_on_thread__proxy: 'sync',
emscripten_set_scroll_callback_on_thread__sig: 'iiiiii',
emscripten_set_scroll_callback_on_thread__deps: ['_registerUiEventCallback'],
emscripten_set_scroll_callback_on_thread: function(target, userData, useCapture, callbackfunc, targetThread) {
__registerUiEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_SCROLL') }}}, "scroll", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
_registerFocusEventCallback__deps: ['$JSEvents', '_findEventTarget'],
_registerFocusEventCallback: function(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
#if USE_PTHREADS
targetThread = JSEvents.getTargetThreadForEventCallback(targetThread);
#endif
if (!JSEvents.focusEvent) JSEvents.focusEvent = _malloc( {{{ C_STRUCTS.EmscriptenFocusEvent.__size__ }}} );
var focusEventHandlerFunc = function(ev) {
var e = ev || event;
var nodeName = JSEvents.getNodeNameForTarget(e.target);
var id = e.target.id ? e.target.id : '';
#if USE_PTHREADS
var focusEvent = targetThread ? _malloc( {{{ C_STRUCTS.EmscriptenFocusEvent.__size__ }}} ) : JSEvents.focusEvent;
#else
var focusEvent = JSEvents.focusEvent;
#endif
stringToUTF8(nodeName, focusEvent + {{{ C_STRUCTS.EmscriptenFocusEvent.nodeName }}}, {{{ cDefine('EM_HTML5_LONG_STRING_LEN_BYTES') }}});
stringToUTF8(id, focusEvent + {{{ C_STRUCTS.EmscriptenFocusEvent.id }}}, {{{ cDefine('EM_HTML5_LONG_STRING_LEN_BYTES') }}});
#if USE_PTHREADS
if (targetThread) JSEvents.queueEventHandlerOnThread_iiii(targetThread, callbackfunc, eventTypeId, focusEvent, userData);
else
#endif
if ({{{ makeDynCall('iiii') }}}(callbackfunc, eventTypeId, focusEvent, userData)) e.preventDefault();
};
var eventHandler = {
target: __findEventTarget(target),
allowsDeferredCalls: false,
eventTypeString: eventTypeString,
callbackfunc: callbackfunc,
handlerFunc: focusEventHandlerFunc,
useCapture: useCapture
};
JSEvents.registerOrRemoveHandler(eventHandler);
},
emscripten_set_blur_callback_on_thread__proxy: 'sync',
emscripten_set_blur_callback_on_thread__sig: 'iiiiii',
emscripten_set_blur_callback_on_thread__deps: ['_registerFocusEventCallback'],
emscripten_set_blur_callback_on_thread: function(target, userData, useCapture, callbackfunc, targetThread) {
__registerFocusEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_BLUR') }}}, "blur", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
emscripten_set_focus_callback_on_thread__proxy: 'sync',
emscripten_set_focus_callback_on_thread__sig: 'iiiiii',
emscripten_set_focus_callback_on_thread__deps: ['_registerFocusEventCallback'],
emscripten_set_focus_callback_on_thread: function(target, userData, useCapture, callbackfunc, targetThread) {
__registerFocusEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_FOCUS') }}}, "focus", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
emscripten_set_focusin_callback_on_thread__proxy: 'sync',
emscripten_set_focusin_callback_on_thread__sig: 'iiiiii',
emscripten_set_focusin_callback_on_thread__deps: ['_registerFocusEventCallback'],
emscripten_set_focusin_callback_on_thread: function(target, userData, useCapture, callbackfunc, targetThread) {
__registerFocusEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_FOCUSIN') }}}, "focusin", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
emscripten_set_focusout_callback_on_thread__proxy: 'sync',
emscripten_set_focusout_callback_on_thread__sig: 'iiiiii',
emscripten_set_focusout_callback_on_thread__deps: ['_registerFocusEventCallback'],
emscripten_set_focusout_callback_on_thread: function(target, userData, useCapture, callbackfunc, targetThread) {
__registerFocusEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_FOCUSOUT') }}}, "focusout", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
_fillDeviceOrientationEventData__deps: ['$JSEvents'],
_fillDeviceOrientationEventData: function(eventStruct, e, target) {
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenDeviceOrientationEvent.timestamp, 'JSEvents.tick()', 'double') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenDeviceOrientationEvent.alpha, 'e.alpha', 'double') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenDeviceOrientationEvent.beta, 'e.beta', 'double') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenDeviceOrientationEvent.gamma, 'e.gamma', 'double') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenDeviceOrientationEvent.absolute, 'e.absolute', 'i32') }}};
},
_registerDeviceOrientationEventCallback__deps: ['$JSEvents', '_fillDeviceOrientationEventData', '_findEventTarget'],
_registerDeviceOrientationEventCallback: function(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
#if USE_PTHREADS
targetThread = JSEvents.getTargetThreadForEventCallback(targetThread);
#endif
if (!JSEvents.deviceOrientationEvent) JSEvents.deviceOrientationEvent = _malloc( {{{ C_STRUCTS.EmscriptenDeviceOrientationEvent.__size__ }}} );
var deviceOrientationEventHandlerFunc = function(ev) {
var e = ev || event;
__fillDeviceOrientationEventData(JSEvents.deviceOrientationEvent, e, target); // TODO: Thread-safety with respect to emscripten_get_deviceorientation_status()
#if USE_PTHREADS
if (targetThread) {
var deviceOrientationEvent = _malloc( {{{ C_STRUCTS.EmscriptenDeviceOrientationEvent.__size__ }}} );
__fillDeviceOrientationEventData(deviceOrientationEvent, e, target);
JSEvents.queueEventHandlerOnThread_iiii(targetThread, callbackfunc, eventTypeId, deviceOrientationEvent, userData);
} else
#endif
if ({{{ makeDynCall('iiii') }}}(callbackfunc, eventTypeId, JSEvents.deviceOrientationEvent, userData)) e.preventDefault();
};
var eventHandler = {
target: __findEventTarget(target),
allowsDeferredCalls: false,
eventTypeString: eventTypeString,
callbackfunc: callbackfunc,
handlerFunc: deviceOrientationEventHandlerFunc,
useCapture: useCapture
};
JSEvents.registerOrRemoveHandler(eventHandler);
},
emscripten_set_deviceorientation_callback_on_thread__proxy: 'sync',
emscripten_set_deviceorientation_callback_on_thread__sig: 'iiiii',
emscripten_set_deviceorientation_callback_on_thread__deps: ['_registerDeviceOrientationEventCallback'],
emscripten_set_deviceorientation_callback_on_thread: function(userData, useCapture, callbackfunc, targetThread) {
__registerDeviceOrientationEventCallback({{{ cDefine('EMSCRIPTEN_EVENT_TARGET_WINDOW') }}}, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_DEVICEORIENTATION') }}}, "deviceorientation", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
emscripten_get_deviceorientation_status__proxy: 'sync',
emscripten_get_deviceorientation_status__sig: 'ii',
emscripten_get_deviceorientation_status__deps: ['$JSEvents', '_registerDeviceOrientationEventCallback'],
emscripten_get_deviceorientation_status: function(orientationState) {
if (!JSEvents.deviceOrientationEvent) return {{{ cDefine('EMSCRIPTEN_RESULT_NO_DATA') }}};
// HTML5 does not really have a polling API for device orientation events, so implement one manually by
// returning the data from the most recently received event. This requires that user has registered
// at least some no-op function as an event handler.
HEAP32.set(HEAP32.subarray(JSEvents.deviceOrientationEvent, {{{ C_STRUCTS.EmscriptenDeviceOrientationEvent.__size__ }}}), orientationState);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
_fillDeviceMotionEventData__deps: ['$JSEvents'],
_fillDeviceMotionEventData: function(eventStruct, e, target) {
var supportedFields = 0;
var a = e['acceleration'];
supportedFields |= a && {{{ cDefine('EMSCRIPTEN_DEVICE_MOTION_EVENT_SUPPORTS_ACCELERATION') }}};
var ag = e['accelerationIncludingGravity'];
supportedFields |= ag && {{{ cDefine('EMSCRIPTEN_DEVICE_MOTION_EVENT_SUPPORTS_ACCELERATION_INCLUDING_GRAVITY') }}};
var rr = e['rotationRate'];
supportedFields |= rr && {{{ cDefine('EMSCRIPTEN_DEVICE_MOTION_EVENT_SUPPORTS_ROTATION_RATE') }}};
a = a || {};
ag = ag || {};
rr = rr || {};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenDeviceMotionEvent.timestamp, 'JSEvents.tick()', 'double') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenDeviceMotionEvent.accelerationX, 'a["x"]', 'double') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenDeviceMotionEvent.accelerationY, 'a["y"]', 'double') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenDeviceMotionEvent.accelerationZ, 'a["z"]', 'double') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenDeviceMotionEvent.accelerationIncludingGravityX, 'ag["x"]', 'double') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenDeviceMotionEvent.accelerationIncludingGravityY, 'ag["y"]', 'double') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenDeviceMotionEvent.accelerationIncludingGravityZ, 'ag["z"]', 'double') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenDeviceMotionEvent.rotationRateAlpha, 'rr["alpha"]', 'double') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenDeviceMotionEvent.rotationRateBeta, 'rr["beta"]', 'double') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenDeviceMotionEvent.rotationRateGamma, 'rr["gamma"]', 'double') }}};
},
_registerDeviceMotionEventCallback__deps: ['$JSEvents', '_fillDeviceMotionEventData', '_findEventTarget'],
_registerDeviceMotionEventCallback: function(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
#if USE_PTHREADS
targetThread = JSEvents.getTargetThreadForEventCallback(targetThread);
#endif
if (!JSEvents.deviceMotionEvent) JSEvents.deviceMotionEvent = _malloc( {{{ C_STRUCTS.EmscriptenDeviceMotionEvent.__size__ }}} );
var deviceMotionEventHandlerFunc = function(ev) {
var e = ev || event;
__fillDeviceMotionEventData(JSEvents.deviceMotionEvent, e, target); // TODO: Thread-safety with respect to emscripten_get_devicemotion_status()
#if USE_PTHREADS
if (targetThread) {
var deviceMotionEvent = _malloc( {{{ C_STRUCTS.EmscriptenDeviceMotionEvent.__size__ }}} );
__fillDeviceMotionEventData(deviceMotionEvent, e, target);
JSEvents.queueEventHandlerOnThread_iiii(targetThread, callbackfunc, eventTypeId, deviceMotionEvent, userData);
} else
#endif
if ({{{ makeDynCall('iiii') }}}(callbackfunc, eventTypeId, JSEvents.deviceMotionEvent, userData)) e.preventDefault();
};
var eventHandler = {
target: __findEventTarget(target),
allowsDeferredCalls: false,
eventTypeString: eventTypeString,
callbackfunc: callbackfunc,
handlerFunc: deviceMotionEventHandlerFunc,
useCapture: useCapture
};
JSEvents.registerOrRemoveHandler(eventHandler);
},
emscripten_set_devicemotion_callback_on_thread__proxy: 'sync',
emscripten_set_devicemotion_callback_on_thread__sig: 'iiiii',
emscripten_set_devicemotion_callback_on_thread__deps: ['_registerDeviceMotionEventCallback'],
emscripten_set_devicemotion_callback_on_thread: function(userData, useCapture, callbackfunc, targetThread) {
__registerDeviceMotionEventCallback({{{ cDefine('EMSCRIPTEN_EVENT_TARGET_WINDOW') }}}, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_DEVICEMOTION') }}}, "devicemotion", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
emscripten_get_devicemotion_status__proxy: 'sync',
emscripten_get_devicemotion_status__sig: 'ii',
emscripten_get_devicemotion_status__deps: ['$JSEvents'],
emscripten_get_devicemotion_status: function(motionState) {
if (!JSEvents.deviceMotionEvent) return {{{ cDefine('EMSCRIPTEN_RESULT_NO_DATA') }}};
// HTML5 does not really have a polling API for device motion events, so implement one manually by
// returning the data from the most recently received event. This requires that user has registered
// at least some no-op function as an event handler.
HEAP32.set(HEAP32.subarray(JSEvents.deviceMotionEvent, {{{ C_STRUCTS.EmscriptenDeviceMotionEvent.__size__ }}}), motionState);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
_screenOrientation: function() {
if (!screen) return undefined;
return screen.orientation || screen.mozOrientation || screen.webkitOrientation || screen.msOrientation;
},
_fillOrientationChangeEventData__deps: ['_screenOrientation'],
_fillOrientationChangeEventData: function(eventStruct, e) {
var orientations = ["portrait-primary", "portrait-secondary", "landscape-primary", "landscape-secondary"];
var orientations2 = ["portrait", "portrait", "landscape", "landscape"];
var orientationString = __screenOrientation();
var orientation = orientations.indexOf(orientationString);
if (orientation == -1) {
orientation = orientations2.indexOf(orientationString);
}
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenOrientationChangeEvent.orientationIndex, '1 << orientation', 'i32') }}};
{{{ makeSetValue('eventStruct', C_STRUCTS.EmscriptenOrientationChangeEvent.orientationAngle, 'orientation', 'i32') }}};
},
_registerOrientationChangeEventCallback__deps: ['$JSEvents', '_fillOrientationChangeEventData', '_findEventTarget'],
_registerOrientationChangeEventCallback: function(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
#if USE_PTHREADS
targetThread = JSEvents.getTargetThreadForEventCallback(targetThread);
#endif
if (!JSEvents.orientationChangeEvent) JSEvents.orientationChangeEvent = _malloc( {{{ C_STRUCTS.EmscriptenOrientationChangeEvent.__size__ }}} );
var orientationChangeEventHandlerFunc = function(ev) {
var e = ev || event;
#if USE_PTHREADS
var orientationChangeEvent = targetThread ? _malloc( {{{ C_STRUCTS.EmscriptenDeviceMotionEvent.__size__ }}} ) : JSEvents.orientationChangeEvent;
#else
var orientationChangeEvent = JSEvents.orientationChangeEvent;
#endif
__fillOrientationChangeEventData(orientationChangeEvent, e);
#if USE_PTHREADS
if (targetThread) JSEvents.queueEventHandlerOnThread_iiii(targetThread, callbackfunc, eventTypeId, orientationChangeEvent, userData);
else
#endif
if ({{{ makeDynCall('iiii') }}}(callbackfunc, eventTypeId, orientationChangeEvent, userData)) e.preventDefault();
};
if (eventTypeString == "orientationchange" && screen.mozOrientation !== undefined) {
eventTypeString = "mozorientationchange";
}
var eventHandler = {
target: target,
allowsDeferredCalls: false,
eventTypeString: eventTypeString,
callbackfunc: callbackfunc,
handlerFunc: orientationChangeEventHandlerFunc,
useCapture: useCapture
};
JSEvents.registerOrRemoveHandler(eventHandler);
},
emscripten_set_orientationchange_callback_on_thread__proxy: 'sync',
emscripten_set_orientationchange_callback_on_thread__sig: 'iiiii',
emscripten_set_orientationchange_callback_on_thread__deps: ['_registerOrientationChangeEventCallback'],
emscripten_set_orientationchange_callback_on_thread: function(userData, useCapture, callbackfunc, targetThread) {
if (!screen || !screen.addEventListener) return {{{ cDefine('EMSCRIPTEN_RESULT_NOT_SUPPORTED') }}};
__registerOrientationChangeEventCallback(screen, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_ORIENTATIONCHANGE') }}}, "orientationchange", targetThread);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
emscripten_get_orientation_status__proxy: 'sync',
emscripten_get_orientation_status__sig: 'ii',
emscripten_get_orientation_status__deps: ['_fillOrientationChangeEventData', '_screenOrientation'],
emscripten_get_orientation_status: function(orientationChangeEvent) {
if (!__screenOrientation() && typeof orientation === 'undefined') return {{{ cDefine('EMSCRIPTEN_RESULT_NOT_SUPPORTED') }}};
__fillOrientationChangeEventData(orientationChangeEvent);
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
emscripten_lock_orientation__proxy: 'sync',
emscripten_lock_orientation__sig: 'ii',
emscripten_lock_orientation: function(allowedOrientations) {
var orientations = [];
if (allowedOrientations & 1) orientations.push("portrait-primary");
if (allowedOrientations & 2) orientations.push("portrait-secondary");
if (allowedOrientations & 4) orientations.push("landscape-primary");
if (allowedOrientations & 8) orientations.push("landscape-secondary");
var succeeded;
if (screen.lockOrientation) {
succeeded = screen.lockOrientation(orientations);
} else if (screen.mozLockOrientation) {
succeeded = screen.mozLockOrientation(orientations);
} else if (screen.webkitLockOrientation) {
succeeded = screen.webkitLockOrientation(orientations);
} else if (screen.msLockOrientation) {
succeeded = screen.msLockOrientation(orientations);