strong-arc
Version:
A visual suite for the StrongLoop API Platform
199 lines (186 loc) • 10.4 kB
JavaScript
/*
* Copyright (C) 2013 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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.
*/
/**
* @constructor
* @extends {WebInspector.VBox}
*/
WebInspector.LayerDetailsView = function()
{
WebInspector.VBox.call(this);
this.element.classList.add("layer-details-view");
this._emptyView = new WebInspector.EmptyView(WebInspector.UIString("Select a layer to see its details"));
this._createTable();
}
/**
* @enum {string}
*/
WebInspector.LayerDetailsView.Events = {
ObjectSelected: "ObjectSelected"
}
/**
* @type {!Object.<string, string>}
*/
WebInspector.LayerDetailsView.CompositingReasonDetail = {
"transform3D": WebInspector.UIString("Composition due to association with an element with a CSS 3D transform."),
"video": WebInspector.UIString("Composition due to association with a <video> element."),
"canvas": WebInspector.UIString("Composition due to the element being a <canvas> element."),
"plugin": WebInspector.UIString("Composition due to association with a plugin."),
"iFrame": WebInspector.UIString("Composition due to association with an <iframe> element."),
"backfaceVisibilityHidden": WebInspector.UIString("Composition due to association with an element with a \"backface-visibility: hidden\" style."),
"animation": WebInspector.UIString("Composition due to association with an animated element."),
"filters": WebInspector.UIString("Composition due to association with an element with CSS filters applied."),
"positionFixed": WebInspector.UIString("Composition due to association with an element with a \"position: fixed\" style."),
// FIXME: Can we remove this entry now that position: sticky has been removed?
"positionSticky": WebInspector.UIString("Composition due to association with an element with a \"position: sticky\" style."),
"overflowScrollingTouch": WebInspector.UIString("Composition due to association with an element with a \"overflow-scrolling: touch\" style."),
"blending": WebInspector.UIString("Composition due to association with an element that has blend mode other than \"normal\"."),
"assumedOverlap": WebInspector.UIString("Composition due to association with an element that may overlap other composited elements."),
"overlap": WebInspector.UIString("Composition due to association with an element overlapping other composited elements."),
"negativeZIndexChildren": WebInspector.UIString("Composition due to association with an element with descendants that have a negative z-index."),
"transformWithCompositedDescendants": WebInspector.UIString("Composition due to association with an element with composited descendants."),
"opacityWithCompositedDescendants": WebInspector.UIString("Composition due to association with an element with opacity applied and composited descendants."),
"maskWithCompositedDescendants": WebInspector.UIString("Composition due to association with a masked element and composited descendants."),
"reflectionWithCompositedDescendants": WebInspector.UIString("Composition due to association with an element with a reflection and composited descendants."),
"filterWithCompositedDescendants": WebInspector.UIString("Composition due to association with an element with CSS filters applied and composited descendants."),
"blendingWithCompositedDescendants": WebInspector.UIString("Composition due to association with an element with CSS blending applied and composited descendants."),
"clipsCompositingDescendants": WebInspector.UIString("Composition due to association with an element clipping compositing descendants."),
"perspective": WebInspector.UIString("Composition due to association with an element with perspective applied."),
"preserve3D": WebInspector.UIString("Composition due to association with an element with a \"transform-style: preserve-3d\" style."),
"root": WebInspector.UIString("Root layer."),
"layerForClip": WebInspector.UIString("Layer for clip."),
"layerForScrollbar": WebInspector.UIString("Layer for scrollbar."),
"layerForScrollingContainer": WebInspector.UIString("Layer for scrolling container."),
"layerForForeground": WebInspector.UIString("Layer for foreground."),
"layerForBackground": WebInspector.UIString("Layer for background."),
"layerForMask": WebInspector.UIString("Layer for mask."),
"layerForVideoOverlay": WebInspector.UIString("Layer for video overlay.")
};
WebInspector.LayerDetailsView.prototype = {
/**
* @param {!WebInspector.Layers3DView.ActiveObject} activeObject
*/
setObject: function(activeObject)
{
this._layer = activeObject ? activeObject.layer : null;
this._scrollRectIndex = activeObject ? activeObject.scrollRectIndex : null;
if (this.isShowing())
this.update();
},
wasShown: function()
{
WebInspector.View.prototype.wasShown.call(this);
this.update();
},
/**
* @param {number} index
* @param {!Event} event
*/
_onScrollRectClicked: function(index, event)
{
if (event.which !== 1)
return;
this.dispatchEventToListeners(WebInspector.LayerDetailsView.Events.ObjectSelected, {layer: this._layer, scrollRectIndex: index});
},
/**
* @param {!LayerTreeAgent.ScrollRect} scrollRect
* @param {number} index
*/
_createScrollRectElement: function(scrollRect, index)
{
if (index)
this._scrollRectsCell.createTextChild(", ");
var element = this._scrollRectsCell.createChild("span");
element.className = index === this._scrollRectIndex ? "scroll-rect active" : "scroll-rect";
element.textContent = WebInspector.LayerTreeModel.ScrollRectType[scrollRect.type].description + " (" + scrollRect.rect.x + ", " + scrollRect.rect.y +
", " + scrollRect.rect.width + ", " + scrollRect.rect.height + ")";
element.addEventListener("click", this._onScrollRectClicked.bind(this, index), false);
},
update: function()
{
if (!this._layer) {
this._tableElement.remove();
this._emptyView.show(this.element);
return;
}
this._emptyView.detach();
this.element.appendChild(this._tableElement);
this._positionCell.textContent = WebInspector.UIString("%d,%d", this._layer.offsetX(), this._layer.offsetY());
this._sizeCell.textContent = WebInspector.UIString("%d × %d", this._layer.width(), this._layer.height());
this._paintCountCell.textContent = this._layer.paintCount();
const bytesPerPixel = 4;
this._memoryEstimateCell.textContent = Number.bytesToString(this._layer.invisible() ? 0 : this._layer.width() * this._layer.height() * bytesPerPixel);
this._layer.requestCompositingReasons(this._updateCompositingReasons.bind(this));
this._scrollRectsCell.removeChildren();
this._layer.scrollRects().forEach(this._createScrollRectElement.bind(this));
},
_createTable: function()
{
this._tableElement = this.element.createChild("table");
this._tbodyElement = this._tableElement.createChild("tbody");
this._positionCell = this._createRow(WebInspector.UIString("Position in parent:"));
this._sizeCell = this._createRow(WebInspector.UIString("Size:"));
this._compositingReasonsCell = this._createRow(WebInspector.UIString("Compositing Reasons:"));
this._memoryEstimateCell = this._createRow(WebInspector.UIString("Memory estimate:"));
this._paintCountCell = this._createRow(WebInspector.UIString("Paint count:"));
this._scrollRectsCell = this._createRow(WebInspector.UIString("Slow scroll regions:"));
},
/**
* @param {string} title
*/
_createRow: function(title)
{
var tr = this._tbodyElement.createChild("tr");
var titleCell = tr.createChild("td");
titleCell.textContent = title;
return tr.createChild("td");
},
/**
* @param {!Array.<string>} compositingReasons
*/
_updateCompositingReasons: function(compositingReasons)
{
if (!compositingReasons || !compositingReasons.length) {
this._compositingReasonsCell.textContent = "n/a";
return;
}
var fragment = document.createDocumentFragment();
for (var i = 0; i < compositingReasons.length; ++i) {
if (i)
fragment.appendChild(document.createTextNode(","));
var span = document.createElement("span");
span.title = WebInspector.LayerDetailsView.CompositingReasonDetail[compositingReasons[i]] || "";
span.textContent = compositingReasons[i];
fragment.appendChild(span);
}
this._compositingReasonsCell.removeChildren();
this._compositingReasonsCell.appendChild(fragment);
},
__proto__: WebInspector.VBox.prototype
}