mirror of
https://github.com/kkapsner/CanvasBlocker
synced 2024-12-22 12:50:36 +01:00
Further improved DOMRect performance
Additional factor 2.6 = total factor 4.7 (For #253).
This commit is contained in:
kkapsner
parent
89124235c0
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2c291322cf
@ -29,7 +29,7 @@
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}
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const registeredRects = new WeakMap();
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function registerDOMRect(domRect, notify){
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function registerDOMRect(domRect, notify, window, prefs){
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registeredRects.set(getWrapped(domRect), {
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notify: function(){
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let done = false;
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@ -39,7 +39,9 @@
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notify(message);
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}
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};
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}()
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}(),
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window,
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prefs
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});
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}
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function getDOMRectRegistration(domRect){
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@ -94,7 +96,7 @@
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var {prefs, notify, window, original} = check;
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var ret = original.apply(this, window.Array.from(args));
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for (let i = 0; i < ret.length; i += 1){
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registerDOMRect(ret[i], notify);
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registerDOMRect(ret[i], notify, window, prefs);
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}
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return ret;
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});
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@ -108,7 +110,7 @@
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return checkerWrapper(checker, this, arguments, function(args, check){
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var {prefs, notify, window, original} = check;
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var ret = original.apply(this, window.Array.from(args));
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registerDOMRect(ret, notify);
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registerDOMRect(ret, notify, window, prefs);
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return ret;
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});
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};
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@ -122,7 +124,7 @@
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return checkerWrapper(checker, this, arguments, function(args, check){
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var {prefs, notify, window, original} = check;
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var ret = original.apply(this, window.Array.from(args));
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registerDOMRect(ret, notify);
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registerDOMRect(ret, notify, window, prefs);
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return ret;
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});
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};
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@ -135,7 +137,7 @@
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return checkerWrapper(checker, this, arguments, function(args, check){
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var {prefs, notify, window, original} = check;
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var ret = original.apply(this, window.Array.from(args));
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registerDOMRect(ret, notify);
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registerDOMRect(ret, notify, window, prefs);
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return ret;
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});
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};
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@ -148,7 +150,7 @@
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return checkerWrapper(checker, this, arguments, function(args, check){
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var {prefs, notify, window, original} = check;
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var ret = original.apply(this, window.Array.from(args));
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registerDOMRect(ret, notify);
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registerDOMRect(ret, notify, window, prefs);
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return ret;
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});
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};
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@ -156,189 +158,72 @@
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},
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};
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function createCheckerCallback(property){
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return function(args, check){
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const {prefs, notify, window, original} = check;
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if (prefs("protectDOMRect", window.location)){
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const registration = getDOMRectRegistration(this);
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if (registration){
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return getFakeDomRect(window, this, prefs, registration.notify)[property];
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}
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function generateChangedDOMRectPropertyGetter(property, readonly = false){
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const changedGetter = {
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objectGetters: readonly?
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[
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function(window){return window.DOMRectReadOnly && window.DOMRectReadOnly.prototype;}
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]:
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[
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function(window){return window.DOMRect && window.DOMRect.prototype;},
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function(window){return window.DOMRectReadOnly && window.DOMRectReadOnly.prototype;}
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],
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name: property,
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getterGenerator: function(){
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const temp = {
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get [property](){
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const registration = getDOMRectRegistration(this);
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if (registration){
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return getFakeDomRect(
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registration.window,
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this,
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registration.prefs,
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registration.notify
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)[property];
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}
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return this[property];
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}
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};
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return Object.getOwnPropertyDescriptor(temp, property).get;
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}
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const originalValue = original.apply(this, window.Array.from(args));
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return originalValue;
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};
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}
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function setProperty(domRect, window, original, newValue, property, prefs){ // eslint-disable-line max-params
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const registration = getDOMRectRegistration(domRect);
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if (registration){
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const fakeDomRect = getFakeDomRect(window, domRect, prefs, registration.notify);
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registeredRects.delete(getWrapped(domRect));
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["x", "y", "width", "height"].forEach(function(prop){
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if (prop === property){
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domRect[prop] = newValue;
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}
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else {
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domRect[prop] = fakeDomRect[prop];
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}
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});
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}
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else {
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original.apply(domRect, window.Array.from(arguments));
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if (!readonly){
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changedGetter.setterGenerator = function(window, original, prefs){
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const temp = {
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set [property](newValue){
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const registration = getDOMRectRegistration(this);
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if (registration){
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const fakeDomRect = getFakeDomRect(window, this, prefs, registration.notify);
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registeredRects.delete(getWrapped(this));
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["x", "y", "width", "height"].forEach(function(prop){
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if (prop === property){
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this[prop] = newValue;
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}
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else {
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this[prop] = fakeDomRect[prop];
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}
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});
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}
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else {
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original.apply(this, window.Array.from(arguments));
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}
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}
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};
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return Object.getOwnPropertyDescriptor(temp, property).set;
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};
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}
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return changedGetter;
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}
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scope.changedGetters = [
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{
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objectGetters: [
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function(window){return window.DOMRect && window.DOMRect.prototype;},
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function(window){return window.DOMRectReadOnly && window.DOMRectReadOnly.prototype;}
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],
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name: "x",
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getterGenerator: function(checker){
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const temp = {
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get x(){
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return checkerWrapper(checker, this, arguments, createCheckerCallback("x"));
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}
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};
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return Object.getOwnPropertyDescriptor(temp, "x").get;
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},
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setterGenerator: function(window, original, prefs){
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const temp = {
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set x(x){
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setProperty(this, window, original, x, "x", prefs);
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}
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};
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return Object.getOwnPropertyDescriptor(temp, "x").set;
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}
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},
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{
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objectGetters: [
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function(window){return window.DOMRect && window.DOMRect.prototype;},
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function(window){return window.DOMRectReadOnly && window.DOMRectReadOnly.prototype;}
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],
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name: "y",
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getterGenerator: function(checker){
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const temp = {
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get y(){
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return checkerWrapper(checker, this, arguments, createCheckerCallback("y"));
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}
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};
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return Object.getOwnPropertyDescriptor(temp, "y").get;
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},
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setterGenerator: function(window, original, prefs){
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const temp = {
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set y(y){
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setProperty(this, window, original, y, "y", prefs);
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}
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};
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return Object.getOwnPropertyDescriptor(temp, "y").set;
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}
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},
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{
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objectGetters: [
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function(window){return window.DOMRect && window.DOMRect.prototype;},
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function(window){return window.DOMRectReadOnly && window.DOMRectReadOnly.prototype;}
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],
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name: "width",
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getterGenerator: function(checker){
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const temp = {
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get width(){
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return checkerWrapper(checker, this, arguments, createCheckerCallback("width"));
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}
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};
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return Object.getOwnPropertyDescriptor(temp, "width").get;
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},
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setterGenerator: function(window, original, prefs){
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const temp = {
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set width(width){
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setProperty(this, window, original, width, "width", prefs);
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}
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};
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return Object.getOwnPropertyDescriptor(temp, "width").set;
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}
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},
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{
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objectGetters: [
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function(window){return window.DOMRect && window.DOMRect.prototype;},
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function(window){return window.DOMRectReadOnly && window.DOMRectReadOnly.prototype;}
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],
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name: "height",
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getterGenerator: function(checker){
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const temp = {
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get height(){
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return checkerWrapper(checker, this, arguments, createCheckerCallback("height"));
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}
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};
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return Object.getOwnPropertyDescriptor(temp, "height").get;
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},
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setterGenerator: function(window, original, prefs){
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const temp = {
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set height(height){
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setProperty(this, window, original, height, "height", prefs);
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}
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};
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return Object.getOwnPropertyDescriptor(temp, "height").set;
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}
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},
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{
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objectGetters: [
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function(window){return window.DOMRectReadOnly && window.DOMRectReadOnly.prototype;}
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],
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name: "left",
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getterGenerator: function(checker){
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const callback = createCheckerCallback("left");
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const temp = {
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get left(){
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return checkerWrapper(checker, this, arguments, callback);
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}
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};
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return Object.getOwnPropertyDescriptor(temp, "left").get;
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}
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},
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{
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objectGetters: [
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function(window){return window.DOMRectReadOnly && window.DOMRectReadOnly.prototype;}
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],
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name: "right",
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getterGenerator: function(checker){
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const temp = {
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get right(){
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return checkerWrapper(checker, this, arguments, createCheckerCallback("right"));
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}
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};
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return Object.getOwnPropertyDescriptor(temp, "right").get;
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}
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},
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{
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objectGetters: [
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function(window){return window.DOMRectReadOnly && window.DOMRectReadOnly.prototype;}
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],
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name: "top",
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getterGenerator: function(checker){
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const temp = {
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get top(){
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return checkerWrapper(checker, this, arguments, createCheckerCallback("top"));
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}
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};
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return Object.getOwnPropertyDescriptor(temp, "top").get;
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}
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},
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{
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objectGetters: [
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function(window){return window.DOMRectReadOnly && window.DOMRectReadOnly.prototype;}
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],
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name: "bottom",
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getterGenerator: function(checker){
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const temp = {
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get bottom(){
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return checkerWrapper(checker, this, arguments, createCheckerCallback("bottom"));
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}
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};
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return Object.getOwnPropertyDescriptor(temp, "bottom").get;
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}
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},
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generateChangedDOMRectPropertyGetter("x", false),
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generateChangedDOMRectPropertyGetter("y", false),
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generateChangedDOMRectPropertyGetter("width", false),
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generateChangedDOMRectPropertyGetter("height", false),
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generateChangedDOMRectPropertyGetter("left", true),
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generateChangedDOMRectPropertyGetter("right", true),
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generateChangedDOMRectPropertyGetter("top", true),
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generateChangedDOMRectPropertyGetter("bottom", true),
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{
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objectGetters: [
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function(window){
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@ -352,7 +237,7 @@
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return checkerWrapper(checker, this, arguments, function(args, check){
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const {prefs, notify, window, original} = check;
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const originalValue = original.apply(this, window.Array.from(args));
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registerDOMRect(originalValue, notify);
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registerDOMRect(originalValue, notify, window, prefs);
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return originalValue;
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});
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}
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@ -373,7 +258,7 @@
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return checkerWrapper(checker, this, arguments, function(args, check){
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const {prefs, notify, window, original} = check;
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const originalValue = original.apply(this, window.Array.from(args));
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registerDOMRect(originalValue, notify);
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registerDOMRect(originalValue, notify, window, prefs);
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return originalValue;
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});
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}
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@ -394,7 +279,7 @@
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return checkerWrapper(checker, this, arguments, function(args, check){
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const {prefs, notify, window, original} = check;
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const originalValue = original.apply(this, window.Array.from(args));
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registerDOMRect(originalValue, notify);
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registerDOMRect(originalValue, notify, window, prefs);
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return originalValue;
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});
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}
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@ -21,6 +21,7 @@ Version 0.5.9:
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- faking audio did not work with white random generator
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- enabled copying from settings description when they are "hidden"
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- fixed description for "show notifications"
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- improved DOMRect performance
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known issues:
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- if a data URL is blocked the page action button does not appear
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