172 lines
		
	
	
		
			8.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			172 lines
		
	
	
		
			8.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.parseStackingContexts = exports.ElementPaint = exports.StackingContext = void 0;
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var bitwise_1 = require("../core/bitwise");
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var bound_curves_1 = require("./bound-curves");
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var effects_1 = require("./effects");
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var path_1 = require("./path");
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var ol_element_container_1 = require("../dom/elements/ol-element-container");
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var li_element_container_1 = require("../dom/elements/li-element-container");
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var counter_1 = require("../css/types/functions/counter");
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var StackingContext = /** @class */ (function () {
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    function StackingContext(container) {
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        this.element = container;
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        this.inlineLevel = [];
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        this.nonInlineLevel = [];
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        this.negativeZIndex = [];
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        this.zeroOrAutoZIndexOrTransformedOrOpacity = [];
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        this.positiveZIndex = [];
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        this.nonPositionedFloats = [];
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        this.nonPositionedInlineLevel = [];
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    }
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    return StackingContext;
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}());
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exports.StackingContext = StackingContext;
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var ElementPaint = /** @class */ (function () {
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    function ElementPaint(container, parent) {
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        this.container = container;
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        this.parent = parent;
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        this.effects = [];
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        this.curves = new bound_curves_1.BoundCurves(this.container);
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        if (this.container.styles.opacity < 1) {
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            this.effects.push(new effects_1.OpacityEffect(this.container.styles.opacity));
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        }
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        if (this.container.styles.transform !== null) {
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            var offsetX = this.container.bounds.left + this.container.styles.transformOrigin[0].number;
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            var offsetY = this.container.bounds.top + this.container.styles.transformOrigin[1].number;
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            var matrix = this.container.styles.transform;
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            this.effects.push(new effects_1.TransformEffect(offsetX, offsetY, matrix));
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        }
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        if (this.container.styles.overflowX !== 0 /* VISIBLE */) {
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            var borderBox = bound_curves_1.calculateBorderBoxPath(this.curves);
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            var paddingBox = bound_curves_1.calculatePaddingBoxPath(this.curves);
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            if (path_1.equalPath(borderBox, paddingBox)) {
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                this.effects.push(new effects_1.ClipEffect(borderBox, 2 /* BACKGROUND_BORDERS */ | 4 /* CONTENT */));
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            }
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            else {
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                this.effects.push(new effects_1.ClipEffect(borderBox, 2 /* BACKGROUND_BORDERS */));
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                this.effects.push(new effects_1.ClipEffect(paddingBox, 4 /* CONTENT */));
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            }
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        }
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    }
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    ElementPaint.prototype.getEffects = function (target) {
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        var inFlow = [2 /* ABSOLUTE */, 3 /* FIXED */].indexOf(this.container.styles.position) === -1;
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        var parent = this.parent;
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        var effects = this.effects.slice(0);
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        while (parent) {
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            var croplessEffects = parent.effects.filter(function (effect) { return !effects_1.isClipEffect(effect); });
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            if (inFlow || parent.container.styles.position !== 0 /* STATIC */ || !parent.parent) {
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                effects.unshift.apply(effects, croplessEffects);
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                inFlow = [2 /* ABSOLUTE */, 3 /* FIXED */].indexOf(parent.container.styles.position) === -1;
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                if (parent.container.styles.overflowX !== 0 /* VISIBLE */) {
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                    var borderBox = bound_curves_1.calculateBorderBoxPath(parent.curves);
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                    var paddingBox = bound_curves_1.calculatePaddingBoxPath(parent.curves);
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                    if (!path_1.equalPath(borderBox, paddingBox)) {
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                        effects.unshift(new effects_1.ClipEffect(paddingBox, 2 /* BACKGROUND_BORDERS */ | 4 /* CONTENT */));
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                    }
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                }
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            }
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            else {
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                effects.unshift.apply(effects, croplessEffects);
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            }
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            parent = parent.parent;
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        }
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        return effects.filter(function (effect) { return bitwise_1.contains(effect.target, target); });
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    };
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    return ElementPaint;
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}());
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exports.ElementPaint = ElementPaint;
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var parseStackTree = function (parent, stackingContext, realStackingContext, listItems) {
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    parent.container.elements.forEach(function (child) {
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        var treatAsRealStackingContext = bitwise_1.contains(child.flags, 4 /* CREATES_REAL_STACKING_CONTEXT */);
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        var createsStackingContext = bitwise_1.contains(child.flags, 2 /* CREATES_STACKING_CONTEXT */);
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        var paintContainer = new ElementPaint(child, parent);
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        if (bitwise_1.contains(child.styles.display, 2048 /* LIST_ITEM */)) {
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            listItems.push(paintContainer);
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        }
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        var listOwnerItems = bitwise_1.contains(child.flags, 8 /* IS_LIST_OWNER */) ? [] : listItems;
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        if (treatAsRealStackingContext || createsStackingContext) {
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            var parentStack = treatAsRealStackingContext || child.styles.isPositioned() ? realStackingContext : stackingContext;
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            var stack = new StackingContext(paintContainer);
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            if (child.styles.isPositioned() || child.styles.opacity < 1 || child.styles.isTransformed()) {
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                var order_1 = child.styles.zIndex.order;
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                if (order_1 < 0) {
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                    var index_1 = 0;
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                    parentStack.negativeZIndex.some(function (current, i) {
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                        if (order_1 > current.element.container.styles.zIndex.order) {
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                            index_1 = i;
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                            return false;
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                        }
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                        else if (index_1 > 0) {
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                            return true;
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                        }
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                        return false;
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                    });
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                    parentStack.negativeZIndex.splice(index_1, 0, stack);
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                }
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                else if (order_1 > 0) {
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                    var index_2 = 0;
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                    parentStack.positiveZIndex.some(function (current, i) {
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                        if (order_1 >= current.element.container.styles.zIndex.order) {
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                            index_2 = i + 1;
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                            return false;
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                        }
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                        else if (index_2 > 0) {
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                            return true;
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                        }
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                        return false;
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                    });
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                    parentStack.positiveZIndex.splice(index_2, 0, stack);
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                }
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                else {
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                    parentStack.zeroOrAutoZIndexOrTransformedOrOpacity.push(stack);
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                }
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            }
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            else {
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                if (child.styles.isFloating()) {
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                    parentStack.nonPositionedFloats.push(stack);
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                }
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                else {
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                    parentStack.nonPositionedInlineLevel.push(stack);
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                }
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            }
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            parseStackTree(paintContainer, stack, treatAsRealStackingContext ? stack : realStackingContext, listOwnerItems);
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        }
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        else {
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            if (child.styles.isInlineLevel()) {
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                stackingContext.inlineLevel.push(paintContainer);
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            }
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            else {
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                stackingContext.nonInlineLevel.push(paintContainer);
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            }
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            parseStackTree(paintContainer, stackingContext, realStackingContext, listOwnerItems);
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        }
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        if (bitwise_1.contains(child.flags, 8 /* IS_LIST_OWNER */)) {
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            processListItems(child, listOwnerItems);
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        }
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    });
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};
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var processListItems = function (owner, elements) {
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    var numbering = owner instanceof ol_element_container_1.OLElementContainer ? owner.start : 1;
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    var reversed = owner instanceof ol_element_container_1.OLElementContainer ? owner.reversed : false;
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    for (var i = 0; i < elements.length; i++) {
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        var item = elements[i];
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        if (item.container instanceof li_element_container_1.LIElementContainer &&
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            typeof item.container.value === 'number' &&
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            item.container.value !== 0) {
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            numbering = item.container.value;
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        }
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        item.listValue = counter_1.createCounterText(numbering, item.container.styles.listStyleType, true);
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        numbering += reversed ? -1 : 1;
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    }
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};
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var parseStackingContexts = function (container) {
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    var paintContainer = new ElementPaint(container, null);
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    var root = new StackingContext(paintContainer);
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    var listItems = [];
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    parseStackTree(paintContainer, root, root, listItems);
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    processListItems(paintContainer.container, listItems);
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    return root;
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};
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exports.parseStackingContexts = parseStackingContexts;
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//# sourceMappingURL=stacking-context.js.map
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