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/*
* Copyright (C) 2021 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.
*/
WI.LayoutDetailsSidebarPanel = class LayoutDetailsSidebarPanel extends WI.DOMDetailsSidebarPanel
{
constructor()
{
super("layout-details", WI.UIString("Layout", "Layout @ Styles Sidebar", "Title of the CSS style panel."));
this._flexNodeSet = null;
this._gridNodeSet = null;
this.element.classList.add("layout-panel");
}
// Protected
attached()
{
super.attached();
WI.domManager.addEventListener(WI.DOMManager.Event.NodeInserted, this._handleNodeInserted, this);
WI.domManager.addEventListener(WI.DOMManager.Event.NodeRemoved, this._handleNodeRemoved, this);
WI.DOMNode.addEventListener(WI.DOMNode.Event.LayoutFlagsChanged, this._handleLayoutFlagsChanged, this);
WI.Frame.addEventListener(WI.Frame.Event.MainResourceDidChange, this._mainResourceDidChange, this);
WI.cssManager.layoutContextTypeChangedMode = WI.CSSManager.LayoutContextTypeChangedMode.All;
this._invalidateNodeSets();
}
detached()
{
WI.cssManager.layoutContextTypeChangedMode = WI.CSSManager.LayoutContextTypeChangedMode.Observed;
WI.domManager.removeEventListener(WI.DOMManager.Event.NodeInserted, this._handleNodeInserted, this);
WI.domManager.removeEventListener(WI.DOMManager.Event.NodeRemoved, this._handleNodeRemoved, this);
WI.DOMNode.removeEventListener(WI.DOMNode.Event.LayoutFlagsChanged, this._handleLayoutFlagsChanged, this);
WI.Frame.removeEventListener(WI.Frame.Event.MainResourceDidChange, this._mainResourceDidChange, this);
super.detached();
}
initialLayout()
{
this._gridDetailsSectionRow = new WI.DetailsSectionRow(WI.UIString("No CSS Grid Containers", "No CSS Grid Containers @ Layout Details Sidebar Panel", "Message shown when there are no CSS Grid containers on the inspected page."));
let gridGroup = new WI.DetailsSectionGroup([this._gridDetailsSectionRow]);
let gridDetailsSection = new WI.DetailsSection("layout-css-grid", WI.UIString("Grid", "Grid @ Elements details sidebar", "CSS Grid layout section name"), [gridGroup]);
this.contentView.element.appendChild(gridDetailsSection.element);
this._gridSection = new WI.CSSGridNodeOverlayListSection;
this._flexDetailsSectionRow = new WI.DetailsSectionRow(WI.UIString("No CSS Flex Containers", "No CSS Flex Containers @ Layout Details Sidebar Panel", "Message shown when there are no CSS Flex containers on the inspected page."));
let flexDetailsSection = new WI.DetailsSection("layout-css-flexbox", WI.UIString("Flexbox", "Flexbox @ Elements details sidebar", "Flexbox layout section name"), [new WI.DetailsSectionGroup([this._flexDetailsSectionRow])]);
this.contentView.element.appendChild(flexDetailsSection.element);
this._flexSection = new WI.CSSFlexNodeOverlayListSection;
}
layout()
{
super.layout();
if (!this._gridNodeSet || !this._flexNodeSet)
this._refreshNodeSets();
if (this._gridNodeSet.size) {
this._gridDetailsSectionRow.hideEmptyMessage();
this._gridDetailsSectionRow.element.appendChild(this._gridSection.element);
if (!this._gridSection.isAttached)
this.addSubview(this._gridSection);
this._gridSection.nodeSet = this._gridNodeSet;
} else {
this._gridDetailsSectionRow.showEmptyMessage();
if (this._gridSection.isAttached)
this.removeSubview(this._gridSection);
}
if (this._flexNodeSet.size) {
this._flexDetailsSectionRow.hideEmptyMessage();
this._flexDetailsSectionRow.element.appendChild(this._flexSection.element);
if (!this._flexSection.isAttached)
this.addSubview(this._flexSection);
this._flexSection.nodeSet = this._flexNodeSet;
} else {
this._flexDetailsSectionRow.showEmptyMessage();
if (this._flexSection.isAttached)
this.removeSubview(this._flexSection);
}
}
// Private
_handleNodeInserted(event)
{
this._invalidateNodeSets();
this.needsLayout();
}
_handleNodeRemoved(event)
{
let domNode = event.target.node;
this._removeNodeFromNodeSets(domNode);
this.needsLayout();
}
_handleLayoutFlagsChanged(event)
{
let domNode = event.target;
if (domNode.layoutContextType)
this._invalidateNodeSets();
else
this._removeNodeFromNodeSets(domNode);
this.needsLayout();
}
_mainResourceDidChange(event)
{
if (!event.target.isMainFrame())
return;
this.needsLayout();
}
_removeNodeFromNodeSets(domNode)
{
this._flexNodeSet?.delete(domNode);
this._gridNodeSet?.delete(domNode);
}
_invalidateNodeSets()
{
this._flexNodeSet = null;
this._gridNodeSet = null;
}
_refreshNodeSets()
{
this._gridNodeSet = new Set;
this._flexNodeSet = new Set;
for (let node of WI.domManager.attachedNodes({filter: (node) => node.layoutContextType})) {
switch (node.layoutContextType) {
case WI.DOMNode.LayoutFlag.Grid:
this._gridNodeSet.add(node);
break;
case WI.DOMNode.LayoutFlag.Flex:
this._flexNodeSet.add(node);
break;
default:
console.assert(false, this.representedObject.layoutContextType);
break;
}
}
}
};
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