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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
WebInspector.CSSStyleModel = function()
{
}
WebInspector.CSSStyleModel.parseRuleArrayPayload = function(ruleArray)
{
var result = [];
for (var i = 0; i < ruleArray.length; ++i)
result.push(WebInspector.CSSRule.parsePayload(ruleArray[i]));
return result;
}
WebInspector.CSSStyleModel.prototype = {
getStylesAsync: function(nodeId, userCallback)
{
function callback(userCallback, payload)
{
if (!payload) {
if (userCallback)
userCallback(null);
return;
}
var result = {};
if ("inlineStyle" in payload)
result.inlineStyle = WebInspector.CSSStyleDeclaration.parsePayload(payload.inlineStyle);
result.computedStyle = WebInspector.CSSStyleDeclaration.parsePayload(payload.computedStyle);
result.matchedCSSRules = WebInspector.CSSStyleModel.parseRuleArrayPayload(payload.matchedCSSRules);
result.styleAttributes = {};
for (var name in payload.styleAttributes)
result.styleAttributes[name] = WebInspector.CSSStyleDeclaration.parsePayload(payload.styleAttributes[name]);
result.pseudoElements = [];
for (var i = 0; i < payload.pseudoElements.length; ++i) {
var entryPayload = payload.pseudoElements[i];
result.pseudoElements.push({ pseudoId: entryPayload.pseudoId, rules: WebInspector.CSSStyleModel.parseRuleArrayPayload(entryPayload.rules) });
}
result.inherited = [];
for (var i = 0; i < payload.inherited.length; ++i) {
var entryPayload = payload.inherited[i];
var entry = {};
if ("inlineStyle" in entryPayload)
entry.inlineStyle = WebInspector.CSSStyleDeclaration.parsePayload(entryPayload.inlineStyle);
if ("matchedCSSRules" in entryPayload)
entry.matchedCSSRules = WebInspector.CSSStyleModel.parseRuleArrayPayload(entryPayload.matchedCSSRules);
result.inherited.push(entry);
}
if (userCallback)
userCallback(result);
}
InspectorBackend.getStylesForNode(nodeId, callback.bind(null, userCallback));
},
getComputedStyleAsync: function(nodeId, userCallback)
{
function callback(userCallback, stylePayload)
{
if (!stylePayload)
userCallback(null);
else
userCallback(WebInspector.CSSStyleDeclaration.parsePayload(stylePayload));
}
InspectorBackend.getComputedStyleForNode(nodeId, callback.bind(null, userCallback));
},
getInlineStyleAsync: function(nodeId, userCallback)
{
function callback(userCallback, stylePayload)
{
if (!stylePayload)
userCallback(null);
else
userCallback(WebInspector.CSSStyleDeclaration.parsePayload(stylePayload));
}
InspectorBackend.getInlineStyleForNode(nodeId, callback.bind(null, userCallback));
},
setRuleSelector: function(ruleId, nodeId, newSelector, successCallback, failureCallback)
{
function checkAffectsCallback(nodeId, successCallback, rulePayload, selectedNodeIds)
{
var doesAffectSelectedNode = (selectedNodeIds.indexOf(nodeId) >= 0);
var rule = WebInspector.CSSRule.parsePayload(rulePayload);
successCallback(rule, doesAffectSelectedNode);
this._styleSheetChanged(rule.id.styleSheetId, true);
}
function callback(nodeId, successCallback, failureCallback, newSelector, rulePayload)
{
if (!rulePayload)
failureCallback();
else
InspectorBackend.querySelectorAll(nodeId, newSelector, checkAffectsCallback.bind(this, nodeId, successCallback, rulePayload));
}
InspectorBackend.setRuleSelector(ruleId, newSelector, callback.bind(this, nodeId, successCallback, failureCallback));
},
addRule: function(nodeId, selector, successCallback, failureCallback)
{
function checkAffectsCallback(nodeId, successCallback, rulePayload, selectedNodeIds)
{
var doesAffectSelectedNode = (selectedNodeIds.indexOf(nodeId) >= 0);
var rule = WebInspector.CSSRule.parsePayload(rulePayload);
successCallback(rule, doesAffectSelectedNode);
this._styleSheetChanged(rule.id.styleSheetId, true);
}
function callback(successCallback, failureCallback, selector, rulePayload)
{
if (!rulePayload) {
// Invalid syntax for a selector
failureCallback();
} else
InspectorBackend.querySelectorAll(nodeId, selector, checkAffectsCallback.bind(this, nodeId, successCallback, rulePayload));
}
InspectorBackend.addRule(nodeId, selector, callback.bind(this, successCallback, failureCallback, selector));
},
_styleSheetChanged: function(styleSheetId, majorChange)
{
if (!majorChange || !styleSheetId)
return;
function callback(href, content)
{
var resource = WebInspector.resourceForURL(href);
if (resource && resource.type === WebInspector.Resource.Type.Stylesheet)
resource.setContent(content, this._onRevert.bind(this, styleSheetId));
}
InspectorBackend.getStyleSheetText(styleSheetId, callback.bind(this));
},
_onRevert: function(styleSheetId, contentToRevertTo)
{
function callback(success)
{
this._styleSheetChanged(styleSheetId, true);
this.dispatchEventToListeners("stylesheet changed");
}
InspectorBackend.setStyleSheetText(styleSheetId, contentToRevertTo, callback.bind(this));
}
}
WebInspector.CSSStyleModel.prototype.__proto__ = WebInspector.Object.prototype;
WebInspector.CSSStyleDeclaration = function(payload)
{
this.id = payload.styleId;
this.properties = payload.properties;
this._shorthandValues = payload.shorthandValues;
this._livePropertyMap = {}; // LIVE properties (source-based or style-based) : { name -> CSSProperty }
this._allProperties = []; // ALL properties: [ CSSProperty ]
this._longhandProperties = {}; // shorthandName -> [ CSSProperty ]
this.__disabledProperties = {}; // DISABLED properties: { index -> CSSProperty }
var payloadPropertyCount = payload.cssProperties.length;
var propertyIndex = 0;
for (var i = 0; i < payloadPropertyCount; ++i) {
var property = new WebInspector.CSSProperty.parsePayload(this, i, payload.cssProperties[i]);
this._allProperties.push(property);
if (property.disabled)
this.__disabledProperties[i] = property;
if (!property.active && !property.styleBased)
continue;
var name = property.name;
this[propertyIndex] = name;
this._livePropertyMap[name] = property;
// Index longhand properties.
if (property.shorthand) { // only for parsed
var longhands = this._longhandProperties[property.shorthand];
if (!longhands) {
longhands = [];
this._longhandProperties[property.shorthand] = longhands;
}
longhands.push(property);
}
++propertyIndex;
}
this.length = propertyIndex;
if ("cssText" in payload)
this.cssText = payload.cssText;
}
WebInspector.CSSStyleDeclaration.parsePayload = function(payload)
{
return new WebInspector.CSSStyleDeclaration(payload);
}
WebInspector.CSSStyleDeclaration.prototype = {
get allProperties()
{
return this._allProperties;
},
getLiveProperty: function(name)
{
return this._livePropertyMap[name];
},
getPropertyValue: function(name)
{
var property = this._livePropertyMap[name];
return property ? property.value : "";
},
getPropertyPriority: function(name)
{
var property = this._livePropertyMap[name];
return property ? property.priority : "";
},
getPropertyShorthand: function(name)
{
var property = this._livePropertyMap[name];
return property ? property.shorthand : "";
},
isPropertyImplicit: function(name)
{
var property = this._livePropertyMap[name];
return property ? property.implicit : "";
},
styleTextWithShorthands: function()
{
var cssText = "";
var foundProperties = {};
for (var i = 0; i < this.length; ++i) {
var individualProperty = this[i];
var shorthandProperty = this.getPropertyShorthand(individualProperty);
var propertyName = (shorthandProperty || individualProperty);
if (propertyName in foundProperties)
continue;
if (shorthandProperty) {
var value = this.getShorthandValue(shorthandProperty);
var priority = this.getShorthandPriority(shorthandProperty);
} else {
var value = this.getPropertyValue(individualProperty);
var priority = this.getPropertyPriority(individualProperty);
}
foundProperties[propertyName] = true;
cssText += propertyName + ": " + value;
if (priority)
cssText += " !" + priority;
cssText += "; ";
}
return cssText;
},
getLonghandProperties: function(name)
{
return this._longhandProperties[name] || [];
},
getShorthandValue: function(shorthandProperty)
{
var property = this.getLiveProperty(shorthandProperty);
return property ? property.value : this._shorthandValues[shorthandProperty];
},
getShorthandPriority: function(shorthandProperty)
{
var priority = this.getPropertyPriority(shorthandProperty);
if (priority)
return priority;
var longhands = this._longhandProperties[shorthandProperty];
return longhands ? this.getPropertyPriority(longhands[0]) : null;
},
propertyAt: function(index)
{
return (index < this.allProperties.length) ? this.allProperties[index] : null;
},
pastLastSourcePropertyIndex: function()
{
for (var i = this.allProperties.length - 1; i >= 0; --i) {
var property = this.allProperties[i];
if (property.active || property.disabled)
return i + 1;
}
return 0;
},
newBlankProperty: function()
{
return new WebInspector.CSSProperty(this, this.pastLastSourcePropertyIndex(), "", "", "", "active", true, false, false, "");
},
insertPropertyAt: function(index, name, value, userCallback)
{
function callback(userCallback, payload)
{
if (!userCallback)
return;
if (!payload)
userCallback(null);
else {
userCallback(WebInspector.CSSStyleDeclaration.parsePayload(payload));
WebInspector.cssModel._styleSheetChanged(this.id.styleSheetId, true);
}
}
InspectorBackend.setPropertyText(this.id, index, name + ": " + value + ";", false, callback.bind(null, userCallback));
},
appendProperty: function(name, value, userCallback)
{
this.insertPropertyAt(this.allProperties.length, name, value, userCallback);
}
}
WebInspector.CSSRule = function(payload)
{
this.id = payload.ruleId;
this.selectorText = payload.selectorText;
this.sourceLine = payload.sourceLine;
this.sourceURL = payload.sourceURL;
this.origin = payload.origin;
this.style = WebInspector.CSSStyleDeclaration.parsePayload(payload.style);
this.style.parentRule = this;
this.selectorRange = payload.selectorRange;
}
WebInspector.CSSRule.parsePayload = function(payload)
{
return new WebInspector.CSSRule(payload);
}
WebInspector.CSSRule.prototype = {
get isUserAgent()
{
return this.origin === "user-agent";
},
get isUser()
{
return this.origin === "user";
},
get isViaInspector()
{
return this.origin === "inspector";
},
get isRegular()
{
return this.origin === "";
}
}
WebInspector.CSSProperty = function(ownerStyle, index, name, value, priority, status, parsedOk, implicit, shorthand, text)
{
this.ownerStyle = ownerStyle;
this.index = index;
this.name = name;
this.value = value;
this.priority = priority;
this.status = status;
this.parsedOk = parsedOk;
this.implicit = implicit;
this.shorthand = shorthand;
this.text = text;
}
WebInspector.CSSProperty.parsePayload = function(ownerStyle, index, payload)
{
var result = new WebInspector.CSSProperty(
ownerStyle, index, payload.name, payload.value, payload.priority, payload.status, payload.parsedOk, payload.implicit, payload.shorthandName, payload.text);
return result;
}
WebInspector.CSSProperty.prototype = {
get propertyText()
{
if (this.text !== undefined)
return this.text;
if (this.name === "")
return "";
return this.name + ": " + this.value + (this.priority ? " !" + this.priority : "") + ";";
},
get isLive()
{
return this.active || this.styleBased;
},
get active()
{
return this.status === "active";
},
get styleBased()
{
return this.status === "style";
},
get inactive()
{
return this.status === "inactive";
},
get disabled()
{
return this.status === "disabled";
},
// Replaces "propertyName: propertyValue [!important];" in the stylesheet by an arbitrary propertyText.
setText: function(propertyText, majorChange, userCallback)
{
function enabledCallback(style)
{
if (style)
WebInspector.cssModel._styleSheetChanged(style.id.styleSheetId, majorChange);
if (userCallback)
userCallback(style);
}
function callback(stylePayload)
{
if (stylePayload) {
this.text = propertyText;
var style = WebInspector.CSSStyleDeclaration.parsePayload(stylePayload);
var newProperty = style.allProperties[this.index];
if (newProperty && this.disabled && !propertyText.match(/^\s*$/)) {
newProperty.setDisabled(false, enabledCallback);
return;
} else
WebInspector.cssModel._styleSheetChanged(style.id.styleSheetId, majorChange);
if (userCallback)
userCallback(style);
} else {
if (userCallback)
userCallback(null);
}
}
if (!this.ownerStyle)
throw "No ownerStyle for property";
// An index past all the properties adds a new property to the style.
InspectorBackend.setPropertyText(this.ownerStyle.id, this.index, propertyText, this.index < this.ownerStyle.pastLastSourcePropertyIndex(), callback.bind(this));
},
setValue: function(newValue, userCallback)
{
var text = this.name + ": " + newValue + (this.priority ? " !" + this.priority : "") + ";"
this.setText(text, userCallback);
},
setDisabled: function(disabled, userCallback)
{
if (!this.ownerStyle && userCallback)
userCallback(null);
if (disabled === this.disabled && userCallback)
userCallback(this.ownerStyle);
function callback(stylePayload)
{
if (!userCallback)
return;
if (!stylePayload)
userCallback(null);
else {
var style = WebInspector.CSSStyleDeclaration.parsePayload(stylePayload);
userCallback(style);
WebInspector.cssModel._styleSheetChanged(this.ownerStyle.id.styleSheetId, false);
}
}
InspectorBackend.toggleProperty(this.ownerStyle.id, this.index, disabled, callback.bind(this));
}
}
WebInspector.CSSStyleSheet = function(payload)
{
this.id = payload.styleSheetId;
this.sourceURL = payload.sourceURL;
this.title = payload.title;
this.disabled = payload.disabled;
this.rules = [];
this.styles = {};
for (var i = 0; i < payload.rules.length; ++i) {
var rule = WebInspector.CSSRule.parsePayload(payload.rules[i]);
this.rules.push(rule);
if (rule.style)
this.styles[rule.style.id] = rule.style;
}
if ("text" in payload)
this._text = payload.text;
}
WebInspector.CSSStyleSheet.createForId = function(styleSheetId, userCallback)
{
function callback(styleSheetPayload)
{
if (!styleSheetPayload)
userCallback(null);
else
userCallback(new WebInspector.CSSStyleSheet(styleSheetPayload));
}
InspectorBackend.getStyleSheet(styleSheetId, callback.bind(this));
}
WebInspector.CSSStyleSheet.prototype = {
getText: function()
{
return this._text;
},
setText: function(newText, userCallback)
{
function callback(styleSheetPayload)
{
if (!styleSheetPayload)
userCallback(null);
else {
userCallback(new WebInspector.CSSStyleSheet(styleSheetPayload));
WebInspector.cssModel._styleSheetChanged(this.id, true);
}
}
InspectorBackend.setStyleSheetText(this.id, newText, callback.bind(this));
}
}