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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 = new Set;
this._gridNodeSet = new Set;
this._nodeStyles = null;
this.element.classList.add("layout-panel");
}
// Public
inspect(objects)
{
// Layout panel doesn't show when hasDOMNode is false.
let hasDOMNode = super.inspect(objects);
if (!hasDOMNode)
return false;
let stylesForNode = WI.cssManager.stylesForNode(this.domNode);
stylesForNode.refreshIfNeeded().then((nodeStyles) => {
if (nodeStyles === this._nodeStyles)
return;
if (this._nodeStyles) {
this._nodeStyles.removeEventListener(WI.DOMNodeStyles.Event.Refreshed, this._nodeStylesRefreshed, this);
this._nodeStyles.removeEventListener(WI.DOMNodeStyles.Event.NeedsRefresh, this._nodeStylesNeedsRefreshed, this);
}
this._nodeStyles = nodeStyles;
if (this._nodeStyles) {
this._nodeStyles.addEventListener(WI.DOMNodeStyles.Event.Refreshed, this._nodeStylesRefreshed, this);
this._nodeStyles.addEventListener(WI.DOMNodeStyles.Event.NeedsRefresh, this._nodeStylesNeedsRefreshed, this);
}
this.needsLayout();
});
return hasDOMNode;
}
supportsDOMNode(nodeToInspect)
{
return nodeToInspect.nodeType() === Node.ELEMENT_NODE;
}
// Protected
attached()
{
super.attached();
WI.DOMNode.addEventListener(WI.DOMNode.Event.LayoutContextTypeChanged, this._handleLayoutContextTypeChanged, this);
WI.Frame.addEventListener(WI.Frame.Event.MainResourceDidChange, this._mainResourceDidChange, this);
WI.cssManager.layoutContextTypeChangedMode = WI.CSSManager.LayoutContextTypeChangedMode.All;
this._refreshNodeSets();
}
detached()
{
WI.cssManager.layoutContextTypeChangedMode = WI.CSSManager.LayoutContextTypeChangedMode.Observed;
WI.DOMNode.removeEventListener(WI.DOMNode.Event.LayoutContextTypeChanged, this._handleLayoutContextTypeChanged, 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.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
_handleLayoutContextTypeChanged(event)
{
let domNode = event.target;
// A node may switch layout context type between grid and flex.
// Remove it from both node sets in case it was previously added.
// It is also the default case when the layout context type switches to something unknown.
this._flexNodeSet.delete(domNode);
this._gridNodeSet.delete(domNode);
switch (domNode.layoutContextType) {
case WI.DOMNode.LayoutContextType.Grid:
this._gridNodeSet.add(domNode);
break;
case WI.DOMNode.LayoutContextType.Flex:
this._flexNodeSet.add(domNode);
break;
}
this.needsLayout();
}
_mainResourceDidChange(event)
{
if (!event.target.isMainFrame())
return;
this.needsLayout();
}
_nodeStylesRefreshed()
{
if (this.isAttached)
this.needsLayout();
}
_nodeStylesNeedsRefreshed()
{
if (this.isAttached)
this._nodeStyles?.refresh();
}
_refreshNodeSets()
{
this._gridNodeSet = new Set(WI.domManager.nodesWithLayoutContextType(WI.DOMNode.LayoutContextType.Grid));
this._flexNodeSet = new Set(WI.domManager.nodesWithLayoutContextType(WI.DOMNode.LayoutContextType.Flex));
}
};
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