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/*
* Copyright (C) 2013 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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.
*/
WebInspector.ScopeChainDetailsSidebarPanel = function() {
WebInspector.DetailsSidebarPanel.call(this, "scope-chain", WebInspector.UIString("Scope Chain"), WebInspector.UIString("Scope Chain"), "Images/NavigationItemVariable.pdf", "5");
this._callFrame = null;
};
WebInspector.ScopeChainDetailsSidebarPanel.prototype = {
constructor: WebInspector.ScopeChainDetailsSidebarPanel,
// Public
inspect: function(objects)
{
// Convert to a single item array if needed.
if (!(objects instanceof Array))
objects = [objects];
var callFrameToInspect = null;
// Iterate over the objects to find a WebInspector.CallFrame to inspect.
for (var i = 0; i < objects.length; ++i) {
if (!(objects[i] instanceof WebInspector.CallFrame))
continue;
callFrameToInspect = objects[i];
break;
}
this.callFrame = callFrameToInspect;
return !!this.callFrame;
},
get callFrame()
{
return this._callFrame;
},
set callFrame(callFrame)
{
if (callFrame === this._callFrame)
return;
this._callFrame = callFrame;
this.needsRefresh();
},
refresh: function()
{
var callFrame = this.callFrame;
if (!callFrame)
return;
var detailsSections = [];
var foundLocalScope = false;
var sectionCountByType = {};
for (var type in WebInspector.ScopeChainNode.Type)
sectionCountByType[WebInspector.ScopeChainNode.Type[type]] = 0;
var scopeChain = callFrame.scopeChain;
for (var i = 0; i < scopeChain.length; ++i) {
var scope = scopeChain[i];
var title = null;
var extraProperties = null;
var collapsedByDefault = false;
var dontHighlightNonEnumerableProperties = true;
++sectionCountByType[scope.type];
switch (scope.type) {
case WebInspector.ScopeChainNode.Type.Local:
foundLocalScope = true;
collapsedByDefault = false;
dontHighlightNonEnumerableProperties = true;
title = WebInspector.UIString("Local Variables");
if (callFrame.thisObject)
extraProperties = [new WebInspector.RemoteObjectProperty("this", callFrame.thisObject)];
break;
case WebInspector.ScopeChainNode.Type.Closure:
title = WebInspector.UIString("Closure Variables");
dontHighlightNonEnumerableProperties = true;
collapsedByDefault = false;
break;
case WebInspector.ScopeChainNode.Type.Catch:
title = WebInspector.UIString("Catch Variables");
dontHighlightNonEnumerableProperties = true;
collapsedByDefault = false;
break;
case WebInspector.ScopeChainNode.Type.With:
title = WebInspector.UIString("With Object Properties");
collapsedByDefault = foundLocalScope;
dontHighlightNonEnumerableProperties = false;
break;
case WebInspector.ScopeChainNode.Type.Global:
title = WebInspector.UIString("Global Variables");
dontHighlightNonEnumerableProperties = false;
collapsedByDefault = true;
break;
}
var detailsSectionIdentifier = scope.type + "-" + sectionCountByType[scope.type];
var section = new WebInspector.ObjectPropertiesSection(scope.object, null, null, null, true, extraProperties, WebInspector.ScopeVariableTreeElement);
section.dontHighlightNonEnumerablePropertiesAtTopLevel = dontHighlightNonEnumerableProperties;
section.__propertyIdentifierPrefix = detailsSectionIdentifier;
var detailsSection = new WebInspector.DetailsSection(detailsSectionIdentifier, title, null, null, collapsedByDefault);
detailsSection.groups[0].rows = [new WebInspector.DetailsSectionPropertiesRow(section)];
detailsSections.push(detailsSection);
}
function delayedWork()
{
// Clear the timeout so we don't update the interface twice.
clearTimeout(timeout);
// Bail if the call frame changed while we were waiting for the async response.
if (this.callFrame !== callFrame)
return;
this.element.removeChildren();
for (var i = 0; i < detailsSections.length; ++i)
this.element.appendChild(detailsSections[i].element);
}
// We need a timeout in place in case there are long running, pending backend dispatches. This can happen
// if the debugger is paused in code that was executed from the console. The console will be waiting for
// the result of the execution and without a timeout we would never update the scope variables.
var timeout = setTimeout(delayedWork.bind(this), 50);
// Since ObjectPropertiesSection populates asynchronously, we want to wait to replace the existing content
// until after all the pending asynchronous requests are completed. This prevents severe flashing while stepping.
InspectorBackend.runAfterPendingDispatches(delayedWork.bind(this));
}
};
WebInspector.ScopeChainDetailsSidebarPanel.prototype.__proto__ = WebInspector.DetailsSidebarPanel.prototype;
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