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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/171783">171783</a></dd>
<dt>Author</dt> <dd>commit-queue@webkit.org</dd>
<dt>Date</dt> <dd>2014-07-29 17:30:52 -0700 (Tue, 29 Jul 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>Web Inspector: Eliminate more forced layouts during timeline recordings
https://bugs.webkit.org/show_bug.cgi?id=135397
Patch by Joseph Pecoraro <pecoraro@apple.com> on 2014-07-29
Reviewed by Timothy Hatcher.
Instead of computing the secondsPerPixel in each overview graph,
we can ask the overview view itself which has a cached value.
The computation used to force a layout, now it doesn't need to.
* UserInterface/Views/LayoutTimelineOverviewGraph.js:
* UserInterface/Views/NetworkTimelineOverviewGraph.js:
* UserInterface/Views/ScriptTimelineOverviewGraph.js:
* UserInterface/Views/TimelineOverview.js:
(WebInspector.TimelineOverview):
* UserInterface/Views/TimelineOverviewGraph.js:
(WebInspector.TimelineOverviewGraph):
(WebInspector.TimelineOverviewGraph.prototype.get timelineOverview):
(WebInspector.TimelineOverviewGraph.prototype.set timelineOverview):</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebInspectorUIChangeLog">trunk/Source/WebInspectorUI/ChangeLog</a></li>
<li><a href="#trunkSourceWebInspectorUIUserInterfaceViewsLayoutTimelineOverviewGraphjs">trunk/Source/WebInspectorUI/UserInterface/Views/LayoutTimelineOverviewGraph.js</a></li>
<li><a href="#trunkSourceWebInspectorUIUserInterfaceViewsNetworkTimelineOverviewGraphjs">trunk/Source/WebInspectorUI/UserInterface/Views/NetworkTimelineOverviewGraph.js</a></li>
<li><a href="#trunkSourceWebInspectorUIUserInterfaceViewsScriptTimelineOverviewGraphjs">trunk/Source/WebInspectorUI/UserInterface/Views/ScriptTimelineOverviewGraph.js</a></li>
<li><a href="#trunkSourceWebInspectorUIUserInterfaceViewsTimelineOverviewjs">trunk/Source/WebInspectorUI/UserInterface/Views/TimelineOverview.js</a></li>
<li><a href="#trunkSourceWebInspectorUIUserInterfaceViewsTimelineOverviewGraphjs">trunk/Source/WebInspectorUI/UserInterface/Views/TimelineOverviewGraph.js</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebInspectorUIChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebInspectorUI/ChangeLog (171782 => 171783)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebInspectorUI/ChangeLog 2014-07-30 00:17:45 UTC (rev 171782)
+++ trunk/Source/WebInspectorUI/ChangeLog 2014-07-30 00:30:52 UTC (rev 171783)
</span><span class="lines">@@ -1,3 +1,24 @@
</span><ins>+2014-07-29 Joseph Pecoraro <pecoraro@apple.com>
+
+ Web Inspector: Eliminate more forced layouts during timeline recordings
+ https://bugs.webkit.org/show_bug.cgi?id=135397
+
+ Reviewed by Timothy Hatcher.
+
+ Instead of computing the secondsPerPixel in each overview graph,
+ we can ask the overview view itself which has a cached value.
+ The computation used to force a layout, now it doesn't need to.
+
+ * UserInterface/Views/LayoutTimelineOverviewGraph.js:
+ * UserInterface/Views/NetworkTimelineOverviewGraph.js:
+ * UserInterface/Views/ScriptTimelineOverviewGraph.js:
+ * UserInterface/Views/TimelineOverview.js:
+ (WebInspector.TimelineOverview):
+ * UserInterface/Views/TimelineOverviewGraph.js:
+ (WebInspector.TimelineOverviewGraph):
+ (WebInspector.TimelineOverviewGraph.prototype.get timelineOverview):
+ (WebInspector.TimelineOverviewGraph.prototype.set timelineOverview):
+
</ins><span class="cx"> 2014-07-28 Joseph Pecoraro <pecoraro@apple.com>
</span><span class="cx">
</span><span class="cx"> Web Inspector: Incorrectly sized TimelineDataGrid event bubble
</span></span></pre></div>
<a id="trunkSourceWebInspectorUIUserInterfaceViewsLayoutTimelineOverviewGraphjs"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebInspectorUI/UserInterface/Views/LayoutTimelineOverviewGraph.js (171782 => 171783)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebInspectorUI/UserInterface/Views/LayoutTimelineOverviewGraph.js 2014-07-30 00:17:45 UTC (rev 171782)
+++ trunk/Source/WebInspectorUI/UserInterface/Views/LayoutTimelineOverviewGraph.js 2014-07-30 00:30:52 UTC (rev 171783)
</span><span class="lines">@@ -58,8 +58,7 @@
</span><span class="cx"> {
</span><span class="cx"> WebInspector.TimelineOverviewGraph.prototype.updateLayout.call(this);
</span><span class="cx">
</span><del>- var visibleWidth = this.element.offsetWidth;
- var secondsPerPixel = (this.endTime - this.startTime) / visibleWidth;
</del><ins>+ var secondsPerPixel = this.timelineOverview.secondsPerPixel;
</ins><span class="cx">
</span><span class="cx"> var recordBarIndex = 0;
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebInspectorUIUserInterfaceViewsNetworkTimelineOverviewGraphjs"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebInspectorUI/UserInterface/Views/NetworkTimelineOverviewGraph.js (171782 => 171783)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebInspectorUI/UserInterface/Views/NetworkTimelineOverviewGraph.js 2014-07-30 00:17:45 UTC (rev 171782)
+++ trunk/Source/WebInspectorUI/UserInterface/Views/NetworkTimelineOverviewGraph.js 2014-07-30 00:30:52 UTC (rev 171783)
</span><span class="lines">@@ -75,8 +75,7 @@
</span><span class="cx"> {
</span><span class="cx"> WebInspector.TimelineOverviewGraph.prototype.updateLayout.call(this);
</span><span class="cx">
</span><del>- var visibleWidth = this.element.offsetWidth;
- var secondsPerPixel = (this.endTime - this.startTime) / visibleWidth;
</del><ins>+ var secondsPerPixel = this.timelineOverview.secondsPerPixel;
</ins><span class="cx">
</span><span class="cx"> var recordBarIndex = 0;
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebInspectorUIUserInterfaceViewsScriptTimelineOverviewGraphjs"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebInspectorUI/UserInterface/Views/ScriptTimelineOverviewGraph.js (171782 => 171783)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebInspectorUI/UserInterface/Views/ScriptTimelineOverviewGraph.js 2014-07-30 00:17:45 UTC (rev 171782)
+++ trunk/Source/WebInspectorUI/UserInterface/Views/ScriptTimelineOverviewGraph.js 2014-07-30 00:30:52 UTC (rev 171783)
</span><span class="lines">@@ -58,8 +58,7 @@
</span><span class="cx"> {
</span><span class="cx"> WebInspector.TimelineOverviewGraph.prototype.updateLayout.call(this);
</span><span class="cx">
</span><del>- var visibleWidth = this.element.offsetWidth;
- var secondsPerPixel = (this.endTime - this.startTime) / visibleWidth;
</del><ins>+ var secondsPerPixel = this.timelineOverview.secondsPerPixel;
</ins><span class="cx">
</span><span class="cx"> var recordBarIndex = 0;
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebInspectorUIUserInterfaceViewsTimelineOverviewjs"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebInspectorUI/UserInterface/Views/TimelineOverview.js (171782 => 171783)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebInspectorUI/UserInterface/Views/TimelineOverview.js 2014-07-30 00:17:45 UTC (rev 171782)
+++ trunk/Source/WebInspectorUI/UserInterface/Views/TimelineOverview.js 2014-07-30 00:30:52 UTC (rev 171783)
</span><span class="lines">@@ -37,8 +37,10 @@
</span><span class="cx">
</span><span class="cx"> this._timelineOverviewGraphsMap = timelineOverviewGraphsMap;
</span><span class="cx">
</span><del>- for (var timelineOverviewGraph of this._timelineOverviewGraphsMap.values())
</del><ins>+ for (var timelineOverviewGraph of this._timelineOverviewGraphsMap.values()) {
+ timelineOverviewGraph.timelineOverview = this;
</ins><span class="cx"> this._graphsContainer.appendChild(timelineOverviewGraph.element);
</span><ins>+ }
</ins><span class="cx">
</span><span class="cx"> this._timelineRuler = new WebInspector.TimelineRuler;
</span><span class="cx"> this._timelineRuler.allowsClippedLabels = true;
</span></span></pre></div>
<a id="trunkSourceWebInspectorUIUserInterfaceViewsTimelineOverviewGraphjs"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebInspectorUI/UserInterface/Views/TimelineOverviewGraph.js (171782 => 171783)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebInspectorUI/UserInterface/Views/TimelineOverviewGraph.js 2014-07-30 00:17:45 UTC (rev 171782)
+++ trunk/Source/WebInspectorUI/UserInterface/Views/TimelineOverviewGraph.js 2014-07-30 00:30:52 UTC (rev 171783)
</span><span class="lines">@@ -34,6 +34,7 @@
</span><span class="cx"> this._startTime = 0;
</span><span class="cx"> this._endTime = 5;
</span><span class="cx"> this._currentTime = 0;
</span><ins>+ this._timelineOverview = null;
</ins><span class="cx"> };
</span><span class="cx">
</span><span class="cx"> WebInspector.TimelineOverviewGraph.StyleClassName = "timeline-overview-graph";
</span><span class="lines">@@ -107,6 +108,16 @@
</span><span class="cx"> this.needsLayout();
</span><span class="cx"> },
</span><span class="cx">
</span><ins>+ get timelineOverview()
+ {
+ return this._timelineOverview;
+ },
+
+ set timelineOverview(x)
+ {
+ this._timelineOverview = x;
+ },
+
</ins><span class="cx"> reset: function()
</span><span class="cx"> {
</span><span class="cx"> // Implemented by sub-classes if needed.
</span></span></pre>
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