moved to root
This commit is contained in:
Andrew Zambazos
@@ -0,0 +1,189 @@
|
||||
/*
|
||||
* Copyright (C) 2007, 2008, 2013, 2016 Apple Inc. All rights reserved.
|
||||
* Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
|
||||
* Copyright (C) 2009 Joseph Pecoraro
|
||||
*
|
||||
* 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 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.
|
||||
*/
|
||||
|
||||
WI.DOMTreeUpdater = function(treeOutline)
|
||||
{
|
||||
WI.domManager.addEventListener(WI.DOMManager.Event.NodeInserted, this._nodeInserted, this);
|
||||
WI.domManager.addEventListener(WI.DOMManager.Event.NodeRemoved, this._nodeRemoved, this);
|
||||
WI.domManager.addEventListener(WI.DOMManager.Event.AttributeModified, this._attributesUpdated, this);
|
||||
WI.domManager.addEventListener(WI.DOMManager.Event.AttributeRemoved, this._attributesUpdated, this);
|
||||
WI.domManager.addEventListener(WI.DOMManager.Event.CharacterDataModified, this._characterDataModified, this);
|
||||
WI.domManager.addEventListener(WI.DOMManager.Event.DocumentUpdated, this._documentUpdated, this);
|
||||
WI.domManager.addEventListener(WI.DOMManager.Event.ChildNodeCountUpdated, this._childNodeCountUpdated, this);
|
||||
|
||||
this._treeOutline = treeOutline;
|
||||
|
||||
this._recentlyInsertedNodes = new Map;
|
||||
this._recentlyDeletedNodes = new Map;
|
||||
this._recentlyModifiedNodes = new Set;
|
||||
// Map from attribute names to nodes that had the attributes.
|
||||
this._recentlyModifiedAttributes = new Map;
|
||||
|
||||
// Dummy "attribute" that is used to track textContent changes.
|
||||
this._textContentAttributeSymbol = Symbol("text-content-attribute");
|
||||
|
||||
this._updateModifiedNodesDebouncer = new Debouncer(() => {
|
||||
this._updateModifiedNodes();
|
||||
});
|
||||
};
|
||||
|
||||
WI.DOMTreeUpdater.prototype = {
|
||||
close: function()
|
||||
{
|
||||
WI.domManager.removeEventListener(WI.DOMManager.Event.NodeInserted, this._nodeInserted, this);
|
||||
WI.domManager.removeEventListener(WI.DOMManager.Event.NodeRemoved, this._nodeRemoved, this);
|
||||
WI.domManager.removeEventListener(WI.DOMManager.Event.AttributeModified, this._attributesUpdated, this);
|
||||
WI.domManager.removeEventListener(WI.DOMManager.Event.AttributeRemoved, this._attributesUpdated, this);
|
||||
WI.domManager.removeEventListener(WI.DOMManager.Event.CharacterDataModified, this._characterDataModified, this);
|
||||
WI.domManager.removeEventListener(WI.DOMManager.Event.DocumentUpdated, this._documentUpdated, this);
|
||||
WI.domManager.removeEventListener(WI.DOMManager.Event.ChildNodeCountUpdated, this._childNodeCountUpdated, this);
|
||||
},
|
||||
|
||||
_documentUpdated: function(event)
|
||||
{
|
||||
this._reset();
|
||||
},
|
||||
|
||||
_attributesUpdated: function(event)
|
||||
{
|
||||
let {node, name} = event.data;
|
||||
this._nodeAttributeModified(node, name);
|
||||
},
|
||||
|
||||
_characterDataModified: function(event)
|
||||
{
|
||||
let {node} = event.data;
|
||||
this._nodeAttributeModified(node, this._textContentAttributeSymbol);
|
||||
},
|
||||
|
||||
_nodeAttributeModified: function(node, attribute)
|
||||
{
|
||||
if (!this._recentlyModifiedAttributes.has(attribute))
|
||||
this._recentlyModifiedAttributes.set(attribute, new Set);
|
||||
this._recentlyModifiedAttributes.get(attribute).add(node);
|
||||
this._recentlyModifiedNodes.add(node);
|
||||
|
||||
if (this._treeOutline._visible)
|
||||
this._updateModifiedNodesDebouncer.delayForFrame();
|
||||
},
|
||||
|
||||
_nodeInserted: function(event)
|
||||
{
|
||||
this._recentlyInsertedNodes.set(event.data.node, {parent: event.data.parent});
|
||||
if (this._treeOutline._visible)
|
||||
this._updateModifiedNodesDebouncer.delayForFrame();
|
||||
},
|
||||
|
||||
_nodeRemoved: function(event)
|
||||
{
|
||||
let parent = event.data.parent;
|
||||
if (!parent)
|
||||
return;
|
||||
|
||||
this._recentlyDeletedNodes.set(event.data.node, {parent});
|
||||
if (this._treeOutline._visible)
|
||||
this._updateModifiedNodesDebouncer.delayForFrame();
|
||||
},
|
||||
|
||||
_childNodeCountUpdated: function(event)
|
||||
{
|
||||
var treeElement = this._treeOutline.findTreeElement(event.data);
|
||||
if (treeElement)
|
||||
treeElement.hasChildren = event.data.hasChildNodes();
|
||||
},
|
||||
|
||||
_updateModifiedNodes: function()
|
||||
{
|
||||
let documentNeedsUpdated = false;
|
||||
|
||||
// Update for insertions and deletions before attribute modifications. This ensures
|
||||
// tree elements get created for newly attached children before we try to update them.
|
||||
let parentElementsToUpdate = new Set;
|
||||
let markNodeParentForUpdate = (value, key, map) => {
|
||||
if (documentNeedsUpdated)
|
||||
return;
|
||||
|
||||
let parentNode = value.parent;
|
||||
if (parentNode.nodeType() === Node.DOCUMENT_NODE) {
|
||||
documentNeedsUpdated = true;
|
||||
return;
|
||||
}
|
||||
|
||||
let parentTreeElement = this._treeOutline.findTreeElement(parentNode);
|
||||
if (parentTreeElement)
|
||||
parentElementsToUpdate.add(parentTreeElement);
|
||||
};
|
||||
this._recentlyInsertedNodes.forEach(markNodeParentForUpdate);
|
||||
this._recentlyDeletedNodes.forEach(markNodeParentForUpdate);
|
||||
|
||||
if (documentNeedsUpdated)
|
||||
this._treeOutline.update();
|
||||
else {
|
||||
for (let parentTreeElement of parentElementsToUpdate) {
|
||||
if (parentTreeElement.treeOutline && parentTreeElement.listItemElement) {
|
||||
parentTreeElement.updateTitle();
|
||||
parentTreeElement.updateChildren();
|
||||
}
|
||||
}
|
||||
|
||||
for (let node of this._recentlyModifiedNodes.values()) {
|
||||
let nodeTreeElement = this._treeOutline.findTreeElement(node);
|
||||
if (!nodeTreeElement)
|
||||
continue;
|
||||
|
||||
for (let [attribute, nodes] of this._recentlyModifiedAttributes.entries()) {
|
||||
// Don't report textContent changes as attribute modifications.
|
||||
if (attribute === this._textContentAttributeSymbol)
|
||||
continue;
|
||||
|
||||
if (nodes.has(node))
|
||||
nodeTreeElement.attributeDidChange(attribute);
|
||||
}
|
||||
|
||||
nodeTreeElement.updateTitle();
|
||||
}
|
||||
}
|
||||
|
||||
this._recentlyInsertedNodes.clear();
|
||||
this._recentlyDeletedNodes.clear();
|
||||
this._recentlyModifiedNodes.clear();
|
||||
this._recentlyModifiedAttributes.clear();
|
||||
},
|
||||
|
||||
_reset: function()
|
||||
{
|
||||
WI.domManager.hideDOMNodeHighlight();
|
||||
|
||||
this._recentlyInsertedNodes.clear();
|
||||
this._recentlyDeletedNodes.clear();
|
||||
this._recentlyModifiedNodes.clear();
|
||||
this._recentlyModifiedAttributes.clear();
|
||||
}
|
||||
};
|
||||
Reference in New Issue
Block a user