blob: 25074ae03aef85c7975f50ce806feabf321b58f1 [file] [log] [blame]
/*
* Copyright (C) 2007 Apple 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:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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.
*/
(function (InjectedScriptHost, inspectedWindow, injectedScriptId) {
function bind(thisObject, memberFunction)
{
var func = memberFunction;
var args = Array.prototype.slice.call(arguments, 2);
function bound()
{
return func.apply(thisObject, args.concat(Array.prototype.slice.call(arguments, 0)));
}
bound.toString = function() {
return "bound: " + func;
};
return bound;
}
var InjectedScript = function()
{
this._lastBoundObjectId = 1;
this._idToWrappedObject = {};
this._objectGroups = {};
}
InjectedScript.prototype = {
wrapObjectForConsole: function(object, canAccessInspectedWindow)
{
if (canAccessInspectedWindow)
return this._wrapObject(object, "console");
var result = {};
result.type = typeof object;
result.description = this._toString(object);
return result;
},
_wrapObject: function(object, objectGroupName, abbreviate)
{
try {
var objectId;
if (typeof object === "object" || typeof object === "function" || this._isHTMLAllCollection(object)) {
var id = this._lastBoundObjectId++;
this._idToWrappedObject[id] = object;
var group = this._objectGroups[objectGroupName];
if (!group) {
group = [];
this._objectGroups[objectGroupName] = group;
}
group.push(id);
objectId = { injectedScriptId: injectedScriptId,
id: id,
groupName: objectGroupName };
}
return InjectedScript.RemoteObject.fromObject(object, objectId, abbreviate);
} catch (e) {
return InjectedScript.RemoteObject.fromObject("[ Exception: " + e.toString() + " ]");
}
},
_parseObjectId: function(objectId)
{
return eval("(" + objectId + ")");
},
releaseWrapperObjectGroup: function(objectGroupName)
{
var group = this._objectGroups[objectGroupName];
if (!group)
return;
for (var i = 0; i < group.length; i++)
delete this._idToWrappedObject[group[i]];
delete this._objectGroups[objectGroupName];
},
dispatch: function(methodName, args)
{
var argsArray = eval("(" + args + ")");
var result = this[methodName].apply(this, argsArray);
if (typeof result === "undefined") {
inspectedWindow.console.error("Web Inspector error: InjectedScript.%s returns undefined", methodName);
result = null;
}
return result;
},
getProperties: function(objectId, ignoreHasOwnProperty, abbreviate)
{
var parsedObjectId = this._parseObjectId(objectId);
var object = this._objectForId(parsedObjectId);
if (!this._isDefined(object))
return false;
var properties = [];
var propertyNames;
// IE returns 'Invalid calling object' for some of the prototypes, so return the object itself
if (window.navigator.userAgent.indexOf("MSIE") != -1 ) {
propertyNames = this._getPropertyNames(object);
} else
propertyNames = ignoreHasOwnProperty ? this._getPropertyNames(object) : Object.getOwnPropertyNames(object);
if (!ignoreHasOwnProperty && object.__proto__)
propertyNames.push("__proto__");
// Go over properties, prepare results.
for (var i = 0; i < propertyNames.length; ++i) {
var propertyName = propertyNames[i];
var property = {};
property.name = propertyName + "";
var isGetter = object["__lookupGetter__"] && object.__lookupGetter__(propertyName);
if (!isGetter) {
try {
property.value = this._wrapObject(object[propertyName], parsedObjectId.groupName, abbreviate);
} catch(e) {
property.value = new InjectedScript.RemoteObject.fromException(e);
}
} else {
// FIXME: this should show something like "getter" (bug 16734).
property.value = new InjectedScript.RemoteObject.fromObject("\u2014"); // em dash
property.isGetter = true;
}
properties.push(property);
}
return properties;
},
setPropertyValue: function(objectId, propertyName, expression)
{
var parsedObjectId = this._parseObjectId(objectId);
var object = this._objectForId(parsedObjectId);
if (!this._isDefined(object))
return false;
var expressionLength = expression.length;
if (!expressionLength) {
delete object[propertyName];
return !(propertyName in object);
}
try {
// Surround the expression in parenthesis so the result of the eval is the result
// of the whole expression not the last potential sub-expression.
// There is a regression introduced here: eval is now happening against global object,
// not call frame while on a breakpoint.
// TODO: bring evaluation against call frame back.
var result = inspectedWindow.eval("(" + expression + ")");
// Store the result in the property.
object[propertyName] = result;
return true;
} catch(e) {
try {
var result = inspectedWindow.eval("\"" + expression.replace(/"/g, "\\\"") + "\"");
object[propertyName] = result;
return true;
} catch(e) {
return false;
}
}
},
_populatePropertyNames: function(object, resultSet)
{
for (var o = object; o; o = Object.getPrototypeOf(o)) {
try {
var names = Object.getOwnPropertyNames(o);
for (var i = 0; i < names.length; ++i)
resultSet[names[i]] = true;
} catch (e) {
}
}
},
_getPropertyNames: function(object, resultSet)
{
var propertyNameSet = {};
this._populatePropertyNames(object, propertyNameSet);
return Object.keys(propertyNameSet);
},
getCompletions: function(expression, includeCommandLineAPI)
{
var props = {};
try {
if (!expression)
expression = "this";
var expressionResult = this._evaluateOn(inspectedWindow.eval, inspectedWindow, expression, false, false);
if (typeof expressionResult === "object")
this._populatePropertyNames(expressionResult, props);
if (includeCommandLineAPI) {
for (var prop in CommandLineAPI.members_)
props[CommandLineAPI.members_[prop]] = true;
}
} catch(e) {
}
return props;
},
getCompletionsOnCallFrame: function(callFrameId, expression, includeCommandLineAPI)
{
var props = {};
try {
var callFrame = this._callFrameForId(callFrameId);
if (!callFrame)
return props;
if (expression) {
var expressionResult = this._evaluateOn(callFrame.evaluate, callFrame, expression, true, false);
if (typeof expressionResult === "object")
this._populatePropertyNames(expressionResult, props);
} else {
// Evaluate into properties in scope of the selected call frame.
var scopeChain = callFrame.scopeChain;
for (var i = 0; i < scopeChain.length; ++i)
this._populatePropertyNames(scopeChain[i], props);
}
if (includeCommandLineAPI) {
for (var prop in CommandLineAPI.members_)
props[CommandLineAPI.members_[prop]] = true;
}
} catch(e) {
}
return props;
},
evaluate: function(expression, objectGroup, injectCommandLineAPI)
{
return this._evaluateAndWrap(inspectedWindow.eval, inspectedWindow, expression, objectGroup, false, injectCommandLineAPI);
},
_evaluateAndWrap: function(evalFunction, object, expression, objectGroup, isEvalOnCallFrame, injectCommandLineAPI)
{
try {
return this._wrapObject(this._evaluateOn(evalFunction, object, expression, isEvalOnCallFrame, injectCommandLineAPI), objectGroup);
} catch (e) {
return InjectedScript.RemoteObject.fromException(e);
}
},
_evaluateOn: function(evalFunction, object, expression, isEvalOnCallFrame, injectCommandLineAPI)
{
// Only install command line api object for the time of evaluation.
// Surround the expression in with statements to inject our command line API so that
// the window object properties still take more precedent than our API functions.
try {
if (injectCommandLineAPI && inspectedWindow.console) {
inspectedWindow.console._commandLineAPI = new CommandLineAPI(this._commandLineAPIImpl, isEvalOnCallFrame ? object : null);
expression = "with ((window && window.console && window.console._commandLineAPI) || {}) {\n" + expression + "\n}";
}
var value = evalFunction.call(object, expression);
// When evaluating on call frame error is not thrown, but returned as a value.
if (this._type(value) === "error")
throw value.toString();
return value;
} finally {
if (injectCommandLineAPI && inspectedWindow.console)
delete inspectedWindow.console._commandLineAPI;
}
},
getNodeId: function(node)
{
return InjectedScriptHost.pushNodePathToFrontend(node, false, false);
},
callFrames: function()
{
var callFrame = InjectedScriptHost.currentCallFrame();
if (!callFrame)
return false;
injectedScript.releaseWrapperObjectGroup("backtrace");
var result = [];
var depth = 0;
do {
result.push(new InjectedScript.CallFrameProxy(depth++, callFrame));
callFrame = callFrame.caller;
} while (callFrame);
return result;
},
evaluateOnCallFrame: function(callFrameId, expression, objectGroup, injectCommandLineAPI)
{
var callFrame = this._callFrameForId(callFrameId);
if (!callFrame)
return false;
return this._evaluateAndWrap(callFrame.evaluate, callFrame, expression, objectGroup, true, injectCommandLineAPI);
},
_callFrameForId: function(callFrameId)
{
var parsedCallFrameId = eval("(" + callFrameId + ")");
var ordinal = parsedCallFrameId.ordinal;
var callFrame = InjectedScriptHost.currentCallFrame();
while (--ordinal >= 0 && callFrame)
callFrame = callFrame.caller;
return callFrame;
},
_nodeForId: function(nodeId)
{
if (!nodeId)
return null;
return InjectedScriptHost.nodeForId(nodeId);
},
_objectForId: function(objectId)
{
return this._idToWrappedObject[objectId.id];
},
resolveNode: function(nodeId)
{
var node = this._nodeForId(nodeId);
if (!node)
return false;
// FIXME: receive the object group from client.
return this._wrapObject(node, "prototype");
},
getNodeProperties: function(nodeId, properties)
{
var node = this._nodeForId(nodeId);
if (!node)
return false;
properties = eval("(" + properties + ")");
var result = {};
for (var i = 0; i < properties.length; ++i)
result[properties[i]] = node[properties[i]];
return result;
},
getNodePrototypes: function(nodeId)
{
this.releaseWrapperObjectGroup("prototypes");
var node = this._nodeForId(nodeId);
if (!node)
return false;
var result = [];
var prototype = node;
// if (window.navigator.userAgent.indexOf("MSIE") != -1 )
// {
// result.push(this._wrapObject(prototype, "prototypes"));
// return result;
// }
do {
result.push(this._wrapObject(prototype, "prototypes"));
prototype = Object.getPrototypeOf(prototype);
} while (prototype)
return result;
},
pushNodeToFrontend: function(objectId)
{
var parsedObjectId = this._parseObjectId(objectId);
var object = this._objectForId(parsedObjectId);
if (!object || this._type(object) !== "node")
return false;
return InjectedScriptHost.pushNodePathToFrontend(object, false, false);
},
evaluateOnSelf: function(funcBody, args)
{
var func = eval("(" + funcBody + ")");
return func.apply(this, eval("(" + args + ")") || []);
},
_isDefined: function(object)
{
return object || this._isHTMLAllCollection(object);
},
_isHTMLAllCollection: function(object)
{
// document.all is reported as undefined, but we still want to process it.
return (typeof object === "undefined") && inspectedWindow.HTMLAllCollection && object instanceof inspectedWindow.HTMLAllCollection;
},
_type: function(obj)
{
if (obj === null)
return "null";
var type = typeof obj;
if (type !== "object" && type !== "function") {
// FIXME(33716): typeof document.all is always 'undefined'.
if (this._isHTMLAllCollection(obj))
return "array";
return type;
}
// If owning frame has navigated to somewhere else window properties will be undefined.
// In this case just return result of the typeof.
if (!inspectedWindow.document)
return type;
if (obj instanceof inspectedWindow.Node) {
try {
return (obj.nodeType === undefined ? type : "node");
} catch (ex) {} // for IE there could be 'Invalid calling object' exception
return obj.toString();
}
if (obj instanceof inspectedWindow.String)
return "string";
if (obj instanceof inspectedWindow.Array)
return "array";
if (obj instanceof inspectedWindow.Boolean)
return "boolean";
if (obj instanceof inspectedWindow.Number)
return "number";
if (obj instanceof inspectedWindow.Date)
return "date";
if (obj instanceof inspectedWindow.RegExp)
return "regexp";
// FireBug's array detection.
if (isFinite(obj.length) && typeof obj.splice === "function")
return "array";
if (isFinite(obj.length) && typeof obj.callee === "function") // arguments.
return "array";
if (obj instanceof inspectedWindow.NodeList)
return "array";
if (obj instanceof inspectedWindow.HTMLCollection)
return "array";
if (obj instanceof inspectedWindow.Error)
return "error";
return type;
},
_describe: function(obj, abbreviated)
{
var type = this._type(obj);
switch (type) {
case "object":
case "node":
var result = InjectedScriptHost.internalConstructorName(obj);
if (result === "Object") {
// In Chromium DOM wrapper prototypes will have Object as their constructor name,
// get the real DOM wrapper name from the constructor property.
var constructorName = obj.constructor && obj.constructor.name;
if (constructorName)
return constructorName;
}
return result;
case "array":
var className = InjectedScriptHost.internalConstructorName(obj);
if (typeof obj.length === "number")
className += "[" + obj.length + "]";
return className;
case "string":
if (!abbreviated)
return obj;
if (obj.length > 100)
return "\"" + obj.substring(0, 100) + "\u2026\"";
return "\"" + obj + "\"";
case "function":
var objectText = this._toString(obj);
if (abbreviated)
objectText = /.*/.exec(objectText)[0].replace(/ +$/g, "");
return objectText;
default:
return this._toString(obj);
}
},
_toString: function(obj)
{
// We don't use String(obj) because inspectedWindow.String is undefined if owning frame navigated to another page.
return "" + obj;
}
}
var injectedScript = new InjectedScript();
InjectedScript.RemoteObject = function(objectId, type, description, hasChildren)
{
this.objectId = objectId;
this.type = type;
this.description = description;
this.hasChildren = hasChildren;
}
InjectedScript.RemoteObject.fromException = function(e)
{
return new InjectedScript.RemoteObject(null, "error", e.toString());
}
InjectedScript.RemoteObject.fromObject = function(object, objectId, abbreviate)
{
var type = injectedScript._type(object);
var rawType = typeof object;
var hasChildren = (rawType === "object" && object !== null && (Object.getOwnPropertyNames(object).length || !!Object.getPrototypeOf(object))) || rawType === "function";
var description = "";
try {
var description = injectedScript._describe(object, abbreviate);
return new InjectedScript.RemoteObject(objectId, type, description, hasChildren);
} catch (e) {
return InjectedScript.RemoteObject.fromException(e);
}
}
InjectedScript.CallFrameProxy = function(ordinal, callFrame)
{
this.id = { ordinal: ordinal, injectedScriptId: injectedScriptId };
this.type = callFrame.type;
this.functionName = (this.type === "function" ? callFrame.functionName : "");
this.sourceID = callFrame.sourceID;
this.line = callFrame.line;
this.column = callFrame.column;
this.scopeChain = this._wrapScopeChain(callFrame);
}
InjectedScript.CallFrameProxy.prototype = {
_wrapScopeChain: function(callFrame)
{
var GLOBAL_SCOPE = 0;
var LOCAL_SCOPE = 1;
var WITH_SCOPE = 2;
var CLOSURE_SCOPE = 3;
var CATCH_SCOPE = 4;
var scopeChain = callFrame.scopeChain;
var scopeChainProxy = [];
var foundLocalScope = false;
for (var i = 0; i < scopeChain.length; i++) {
var scopeType = callFrame.scopeType(i);
var scopeObject = scopeChain[i];
var scopeObjectProxy = injectedScript._wrapObject(scopeObject, "backtrace", true);
switch(scopeType) {
case LOCAL_SCOPE: {
foundLocalScope = true;
scopeObjectProxy.isLocal = true;
scopeObjectProxy.thisObject = injectedScript._wrapObject(callFrame.thisObject, "backtrace", true);
break;
}
case CLOSURE_SCOPE: {
scopeObjectProxy.isClosure = true;
break;
}
case WITH_SCOPE:
case CATCH_SCOPE: {
if (foundLocalScope && scopeObject instanceof inspectedWindow.Element)
scopeObjectProxy.isElement = true;
else if (foundLocalScope && scopeObject instanceof inspectedWindow.Document)
scopeObjectProxy.isDocument = true;
else
scopeObjectProxy.isWithBlock = true;
break;
}
}
scopeChainProxy.push(scopeObjectProxy);
}
return scopeChainProxy;
}
}
function CommandLineAPI(commandLineAPIImpl, callFrame)
{
function inScopeVariables(member)
{
if (!callFrame)
return false;
var scopeChain = callFrame.scopeChain;
for (var i = 0; i < scopeChain.length; ++i) {
if (member in scopeChain[i])
return true;
}
return false;
}
for (var i = 0; i < CommandLineAPI.members_.length; ++i) {
var member = CommandLineAPI.members_[i];
if (member in inspectedWindow || inScopeVariables(member))
continue;
this[member] = bind(commandLineAPIImpl, commandLineAPIImpl[member]);
}
for (var i = 0; i < 5; ++i) {
var member = "$" + i;
if (member in inspectedWindow || inScopeVariables(member))
continue;
// fix for non-webkit browsers
//this.__defineGetter__("$" + i, bind(commandLineAPIImpl, commandLineAPIImpl._inspectedNode, i));
Object.defineProperty(this, "$" + i, {
get: bind(commandLineAPIImpl, commandLineAPIImpl._inspectedNode, i)
});
}
}
CommandLineAPI.members_ = [
"$", "$$", "$x", "dir", "dirxml", "keys", "values", "profile", "profileEnd",
"monitorEvents", "unmonitorEvents", "inspect", "copy", "clear"
];
function CommandLineAPIImpl()
{
}
CommandLineAPIImpl.prototype = {
$: function()
{
return document.getElementById.apply(document, arguments)
},
$$: function()
{
return document.querySelectorAll.apply(document, arguments)
},
$x: function(xpath, context)
{
var nodes = [];
try {
var doc = (context && context.ownerDocument) || inspectedWindow.document;
var results = doc.evaluate(xpath, context || doc, null, XPathResult.ANY_TYPE, null);
var node;
while (node = results.iterateNext())
nodes.push(node);
} catch (e) {
}
return nodes;
},
dir: function()
{
return console.dir.apply(console, arguments)
},
dirxml: function()
{
return console.dirxml.apply(console, arguments)
},
keys: function(object)
{
return Object.keys(object);
},
values: function(object)
{
var result = [];
for (var key in object)
result.push(object[key]);
return result;
},
profile: function()
{
return console.profile.apply(console, arguments)
},
profileEnd: function()
{
return console.profileEnd.apply(console, arguments)
},
monitorEvents: function(object, types)
{
if (!object || !object.addEventListener || !object.removeEventListener)
return;
types = this._normalizeEventTypes(types);
for (var i = 0; i < types.length; ++i) {
object.removeEventListener(types[i], this._logEvent, false);
object.addEventListener(types[i], this._logEvent, false);
}
},
unmonitorEvents: function(object, types)
{
if (!object || !object.addEventListener || !object.removeEventListener)
return;
types = this._normalizeEventTypes(types);
for (var i = 0; i < types.length; ++i)
object.removeEventListener(types[i], this._logEvent, false);
},
inspect: function(object)
{
if (arguments.length === 0)
return;
inspectedWindow.console.log(object);
if (injectedScript._type(object) === "node")
InjectedScriptHost.pushNodePathToFrontend(object, false, true);
else {
switch (injectedScript._describe(object)) {
case "Database":
InjectedScriptHost.selectDatabase(object);
break;
case "Storage":
InjectedScriptHost.selectDOMStorage(object);
break;
}
}
},
copy: function(object)
{
if (injectedScript._type(object) === "node")
object = object.outerHTML;
InjectedScriptHost.copyText(object);
},
clear: function()
{
InjectedScriptHost.clearConsoleMessages();
},
_inspectedNode: function(num)
{
var nodeId = InjectedScriptHost.inspectedNode(num);
return injectedScript._nodeForId(nodeId);
},
_normalizeEventTypes: function(types)
{
if (typeof types === "undefined")
types = [ "mouse", "key", "load", "unload", "abort", "error", "select", "change", "submit", "reset", "focus", "blur", "resize", "scroll" ];
else if (typeof types === "string")
types = [ types ];
var result = [];
for (var i = 0; i < types.length; i++) {
if (types[i] === "mouse")
result.splice(0, 0, "mousedown", "mouseup", "click", "dblclick", "mousemove", "mouseover", "mouseout");
else if (types[i] === "key")
result.splice(0, 0, "keydown", "keyup", "keypress");
else
result.push(types[i]);
}
return result;
},
_logEvent: function(event)
{
console.log(event.type, event);
}
}
injectedScript._commandLineAPIImpl = new CommandLineAPIImpl();
return injectedScript;
})