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<title>[186487] trunk/Source/WebCore</title>
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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/186487">186487</a></dd>
<dt>Author</dt> <dd>dino@apple.com</dd>
<dt>Date</dt> <dd>2015-07-07 19:19:45 -0700 (Tue, 07 Jul 2015)</dd>
</dl>
<h3>Log Message</h3>
<pre>[iOS] MediaControls: Start Play and Can't Play buttons need to be cutout and blurred
https://bugs.webkit.org/show_bug.cgi?id=146226
Reviewed by Simon Fraser.
This patch takes what Said Abou-Hallawa posted in an earlier revision and
makes a few tweaks to workaround the bugs he's listed.
Replicate the iOS System blur backdrop in pure CSS, so that the large
start button looks more correct. Also add artwork for a failure state.
* Modules/mediacontrols/mediaControlsiOS.css: New style rules for the start
button, which now is a collection of elements rather than a <button>.
(video::-webkit-media-controls-start-playback-button):
(video::-webkit-media-controls-start-playback-background):
(video::-webkit-media-controls-start-playback-tint):
* Modules/mediacontrols/mediaControlsiOS.js:
(ControllerIOS.prototype.createBase): Replace the <button> with the hierarchy of
elements to replicate the blur. Give some of them a class attribute, so they
can match selectors (see the bugs Said filed in the original bugzilla).
(ControllerIOS.prototype.handleStartPlaybackButtonTouchStart): Toggle classes on
the hierarchy as needed.
(ControllerIOS.prototype.handleStartPlaybackButtonTouchEnd): Ditto.
(ControllerIOS.prototype.updateStatusDisplay): Ditto.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreModulesmediacontrolsmediaControlsiOScss">trunk/Source/WebCore/Modules/mediacontrols/mediaControlsiOS.css</a></li>
<li><a href="#trunkSourceWebCoreModulesmediacontrolsmediaControlsiOSjs">trunk/Source/WebCore/Modules/mediacontrols/mediaControlsiOS.js</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (186486 => 186487)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2015-07-08 01:53:42 UTC (rev 186486)
+++ trunk/Source/WebCore/ChangeLog 2015-07-08 02:19:45 UTC (rev 186487)
</span><span class="lines">@@ -1,3 +1,31 @@
</span><ins>+2015-07-07 Dean Jackson <dino@apple.com>
+
+ [iOS] MediaControls: Start Play and Can't Play buttons need to be cutout and blurred
+ https://bugs.webkit.org/show_bug.cgi?id=146226
+
+ Reviewed by Simon Fraser.
+
+ This patch takes what Said Abou-Hallawa posted in an earlier revision and
+ makes a few tweaks to workaround the bugs he's listed.
+
+ Replicate the iOS System blur backdrop in pure CSS, so that the large
+ start button looks more correct. Also add artwork for a failure state.
+
+ * Modules/mediacontrols/mediaControlsiOS.css: New style rules for the start
+ button, which now is a collection of elements rather than a <button>.
+ (video::-webkit-media-controls-start-playback-button):
+ (video::-webkit-media-controls-start-playback-background):
+ (video::-webkit-media-controls-start-playback-tint):
+
+ * Modules/mediacontrols/mediaControlsiOS.js:
+ (ControllerIOS.prototype.createBase): Replace the <button> with the hierarchy of
+ elements to replicate the blur. Give some of them a class attribute, so they
+ can match selectors (see the bugs Said filed in the original bugzilla).
+ (ControllerIOS.prototype.handleStartPlaybackButtonTouchStart): Toggle classes on
+ the hierarchy as needed.
+ (ControllerIOS.prototype.handleStartPlaybackButtonTouchEnd): Ditto.
+ (ControllerIOS.prototype.updateStatusDisplay): Ditto.
+
</ins><span class="cx"> 2015-07-07 Zalan Bujtas <zalan@apple.com>
</span><span class="cx">
</span><span class="cx"> Crash when parent iframe is set to display none and the child frame is mutated the same time.
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesmediacontrolsmediaControlsiOScss"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/mediacontrols/mediaControlsiOS.css (186486 => 186487)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/mediacontrols/mediaControlsiOS.css 2015-07-08 01:53:42 UTC (rev 186486)
+++ trunk/Source/WebCore/Modules/mediacontrols/mediaControlsiOS.css 2015-07-08 02:19:45 UTC (rev 186487)
</span><span class="lines">@@ -190,31 +190,54 @@
</span><span class="cx"> display: none !important;
</span><span class="cx"> }
</span><span class="cx">
</span><del>-video::-webkit-media-controls-start-playback-button,
-audio::-webkit-media-controls-start-playback-button {
</del><ins>+video::-webkit-media-controls-start-playback-button {
</ins><span class="cx"> -webkit-appearance: none;
</span><del>- display: block;
- padding: 0;
- border: 0;
</del><span class="cx"> position: absolute;
</span><span class="cx"> width: 72px;
</span><span class="cx"> height: 72px;
</span><span class="cx"> left: calc(50% - 36px);
</span><span class="cx"> top: calc(50% - 36px);
</span><del>- background-origin: content-box;
</del><ins>+ -webkit-clip-path: circle(36px);
+ -webkit-transform: translate3d(0, 0, 0);
+}
+
+video::-webkit-media-controls-start-playback-background {
+ -webkit-appearance: none;
+ position: absolute;
+ width: 72px;
+ height: 72px;
+ background-color: rgba(255, 255, 255, 0.2);
+ -webkit-backdrop-filter: blur(10px) saturate(200%);
+}
+
+video::-webkit-media-controls-start-playback-tint {
+ -webkit-appearance: none;
+ position: absolute;
+ width: 72px;
+ height: 72px;
+ background-color: rgb(210, 210, 210);
+ mix-blend-mode: darken;
+}
+
+video::-webkit-media-controls-start-playback-button .webkit-media-controls-start-playback-glyph {
+ -webkit-appearance: none;
+ position: absolute;
+ width: 72px;
+ height: 72px;
+ opacity: 0.45;
+ mix-blend-mode: plus-darker;
+ background-image: url('data:image/png;base64,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
fiEtBwMc6D7JUTDwDo/kYIDjk1M5GKB4Jgjjn+SSIAzy55pOsgrGP8kXgjDApY6TrIqBexX/SVbGANeFuB8y/QED3MjB3N6J+WTy2fgfTCpSvPtS7BRVzIOe72+lsej6ZSNjLIoYPWNRw2Qe9VEiYrSNJTpG41giY3JPminhMXrHEgmjeywRMM6zofdjYcZi7DG1jLGEw7yYGUsYjKPhd64qxtxYmmJMjqUJJlV+NW6pgzE9lkYY42Opjym+2aHUwKTKOh8HRcJYGktNjOU/sFSNxep75CqMzbH8wOh43KKKeTfybiAUxvpYAoyAsXxh3OSHbcN3MsbCGGOMMcYYY4wxxv57n0aw2iHhyI0VAAAAAElFTkSuQmCC');
</ins><span class="cx"> background-repeat: no-repeat;
</span><del>- background-position: center;
- background-image: url('data:image/svg+xml,<svg viewBox="0 0 144 144" xmlns="http://www.w3.org/2000/svg"><circle cx="72" cy="72" r="70" fill="rgba(247, 247, 247, .82)"/><path d="M48,36v74L109,74L48,36z" fill="rgba(129, 129, 129, .9)"/></svg>');
</del><ins>+ background-position: 50% 50%;
+ background-size: 100% 100%;
</ins><span class="cx"> }
</span><span class="cx">
</span><del>-video::-webkit-media-controls-start-playback-button:active,
-audio::-webkit-media-controls-start-playback-button:active {
- background-image: url('data:image/svg+xml,<svg viewBox="0 0 144 144" xmlns="http://www.w3.org/2000/svg"><circle cx="72" cy="72" r="70" fill="rgba(192, 192, 192, .82)"/><path d="M48,36v74L109,74L48,36z" fill="rgba(96, 96, 96, .9)"/></svg>');
</del><ins>+video::-webkit-media-controls-start-playback-button .webkit-media-controls-start-playback-background.active {
+ background-color: rgba(192, 192, 192, 0.2);
</ins><span class="cx"> }
</span><span class="cx">
</span><del>-video::-webkit-media-controls-start-playback-button.failed,
-audio::-webkit-media-controls-start-playback-button.failed {
- background-image: url('data:image/svg+xml,<svg viewBox="0 0 144 144" xmlns="http://www.w3.org/2000/svg"><circle cx="72" cy="72" r="70" fill="rgba(247, 247, 247, .82)"/><g fill="rgba(129, 129, 129, .9)"><rect x="14" y="70.4" transform="matrix(0.8493 0.5279 -0.5279 0.8493 48.8614 -27.1595)" width="116" height="3.2"/><polygon points="109,74 48,36 48,52.3 95.6,81.9 "/><polygon points="48,110 87.7,86.6 48,61.9 "/></g></svg>');
</del><ins>+video::-webkit-media-controls-start-playback-button .webkit-media-controls-start-playback-glyph.failed {
+ background-image: url('data:image/png;base64,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');
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> /* ================== ALL INLINE BUTTONS ====================== */
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesmediacontrolsmediaControlsiOSjs"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/mediacontrols/mediaControlsiOS.js (186486 => 186487)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/mediacontrols/mediaControlsiOS.js 2015-07-08 01:53:42 UTC (rev 186486)
+++ trunk/Source/WebCore/Modules/mediacontrols/mediaControlsiOS.js 2015-07-08 02:19:45 UTC (rev 186487)
</span><span class="lines">@@ -49,10 +49,24 @@
</span><span class="cx"> createBase: function() {
</span><span class="cx"> Controller.prototype.createBase.call(this);
</span><span class="cx">
</span><del>- var startPlaybackButton = this.controls.startPlaybackButton = document.createElement('button');
</del><ins>+ var startPlaybackButton = this.controls.startPlaybackButton = document.createElement('div');
</ins><span class="cx"> startPlaybackButton.setAttribute('pseudo', '-webkit-media-controls-start-playback-button');
</span><span class="cx"> startPlaybackButton.setAttribute('aria-label', this.UIString('Start Playback'));
</span><span class="cx">
</span><ins>+ var startPlaybackBackground = document.createElement('div');
+ startPlaybackBackground.setAttribute('pseudo', '-webkit-media-controls-start-playback-background');
+ startPlaybackBackground.classList.add('webkit-media-controls-start-playback-background');
+ startPlaybackButton.appendChild(startPlaybackBackground);
+
+ var startPlaybackTint = document.createElement('div');
+ startPlaybackTint.setAttribute('pseudo', '-webkit-media-controls-start-playback-tint');
+ startPlaybackButton.appendChild(startPlaybackTint);
+
+ var startPlaybackGlyph = document.createElement('div');
+ startPlaybackGlyph.setAttribute('pseudo', '-webkit-media-controls-start-playback-glyph');
+ startPlaybackGlyph.classList.add('webkit-media-controls-start-playback-glyph');
+ startPlaybackButton.appendChild(startPlaybackGlyph);
+
</ins><span class="cx"> this.listenFor(this.base, 'gesturestart', this.handleBaseGestureStart);
</span><span class="cx"> this.listenFor(this.base, 'gesturechange', this.handleBaseGestureChange);
</span><span class="cx"> this.listenFor(this.base, 'gestureend', this.handleBaseGestureEnd);
</span><span class="lines">@@ -456,10 +470,13 @@
</span><span class="cx">
</span><span class="cx"> handleStartPlaybackButtonTouchStart: function(event) {
</span><span class="cx"> this.controls.startPlaybackButton.classList.add('active');
</span><ins>+ this.controls.startPlaybackButton.querySelector('.webkit-media-controls-start-playback-background').classList.add('active');
</ins><span class="cx"> },
</span><span class="cx">
</span><span class="cx"> handleStartPlaybackButtonTouchEnd: function(event) {
</span><span class="cx"> this.controls.startPlaybackButton.classList.remove('active');
</span><ins>+ this.controls.startPlaybackButton.querySelector('.webkit-media-controls-start-playback-background').classList.remove('active');
+
</ins><span class="cx"> if (this.video.error)
</span><span class="cx"> return true;
</span><span class="cx">
</span><span class="lines">@@ -516,6 +533,7 @@
</span><span class="cx"> updateStatusDisplay: function(event)
</span><span class="cx"> {
</span><span class="cx"> this.controls.startPlaybackButton.classList.toggle(this.ClassNames.failed, this.video.error !== null);
</span><ins>+ this.controls.startPlaybackButton.querySelector(".webkit-media-controls-start-playback-glyph").classList.toggle(this.ClassNames.failed, this.video.error !== null);
</ins><span class="cx"> Controller.prototype.updateStatusDisplay.call(this, event);
</span><span class="cx"> },
</span><span class="cx">
</span></span></pre>
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