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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/180774">180774</a></dd>
<dt>Author</dt> <dd>cdumez@apple.com</dd>
<dt>Date</dt> <dd>2015-02-27 13:18:39 -0800 (Fri, 27 Feb 2015)</dd>
</dl>
<h3>Log Message</h3>
<pre>MediaSource should be suspendable when closed
https://bugs.webkit.org/show_bug.cgi?id=142089
<rdar://problem/19923085>
Reviewed by Jer Noble.
Source/WebCore:
Make MediaSource ActiveDOMObject suspendable when it is in closed state
and it has no pending events. This increases the likelihood of pages
using MediaSource to enter the PageCache.
Tests: fast/history/page-cache-media-source-closed-2.html
fast/history/page-cache-media-source-closed.html
fast/history/page-cache-media-source-opened.html
LayoutTests:
Add layout tests to check that:
- Pages with an open MediaSource do not enter the PageCache
- Pages with an initially closed MediaSource enter the PageCache
- Pages with a MediaSource that changed state from opened to closed
enter the PageCache.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkLayoutTestsplatformeflTestExpectations">trunk/LayoutTests/platform/efl/TestExpectations</a></li>
<li><a href="#trunkLayoutTestsplatformmacTestExpectations">trunk/LayoutTests/platform/mac/TestExpectations</a></li>
<li><a href="#trunkLayoutTestsplatformwinTestExpectations">trunk/LayoutTests/platform/win/TestExpectations</a></li>
<li><a href="#trunkLayoutTestsplatformwincairoTestExpectations">trunk/LayoutTests/platform/wincairo/TestExpectations</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreModulesmediasourceMediaSourcecpp">trunk/Source/WebCore/Modules/mediasource/MediaSource.cpp</a></li>
<li><a href="#trunkSourceWebCoreModulesmediasourceMediaSourceh">trunk/Source/WebCore/Modules/mediasource/MediaSource.h</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsfasthistorypagecachemediasourceclosed2expectedtxt">trunk/LayoutTests/fast/history/page-cache-media-source-closed-2-expected.txt</a></li>
<li><a href="#trunkLayoutTestsfasthistorypagecachemediasourceclosed2html">trunk/LayoutTests/fast/history/page-cache-media-source-closed-2.html</a></li>
<li><a href="#trunkLayoutTestsfasthistorypagecachemediasourceclosedexpectedtxt">trunk/LayoutTests/fast/history/page-cache-media-source-closed-expected.txt</a></li>
<li><a href="#trunkLayoutTestsfasthistorypagecachemediasourceclosedhtml">trunk/LayoutTests/fast/history/page-cache-media-source-closed.html</a></li>
<li><a href="#trunkLayoutTestsfasthistorypagecachemediasourceopenedexpectedtxt">trunk/LayoutTests/fast/history/page-cache-media-source-opened-expected.txt</a></li>
<li><a href="#trunkLayoutTestsfasthistorypagecachemediasourceopenedhtml">trunk/LayoutTests/fast/history/page-cache-media-source-opened.html</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (180773 => 180774)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog 2015-02-27 20:14:22 UTC (rev 180773)
+++ trunk/LayoutTests/ChangeLog 2015-02-27 21:18:39 UTC (rev 180774)
</span><span class="lines">@@ -1,5 +1,19 @@
</span><span class="cx"> 2015-02-27 Chris Dumez <cdumez@apple.com>
</span><span class="cx">
</span><ins>+ MediaSource should be suspendable when closed
+ https://bugs.webkit.org/show_bug.cgi?id=142089
+ <rdar://problem/19923085>
+
+ Reviewed by Jer Noble.
+
+ Add layout tests to check that:
+ - Pages with an open MediaSource do not enter the PageCache
+ - Pages with an initially closed MediaSource enter the PageCache
+ - Pages with a MediaSource that changed state from opened to closed
+ enter the PageCache.
+
+2015-02-27 Chris Dumez <cdumez@apple.com>
+
</ins><span class="cx"> Make IDBDatabase / IDBRequest suspendable
</span><span class="cx"> https://bugs.webkit.org/show_bug.cgi?id=142076
</span><span class="cx"> <rdar://problem/19923085>
</span></span></pre></div>
<a id="trunkLayoutTestsfasthistorypagecachemediasourceclosed2expectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/history/page-cache-media-source-closed-2-expected.txt (0 => 180774)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/history/page-cache-media-source-closed-2-expected.txt (rev 0)
+++ trunk/LayoutTests/fast/history/page-cache-media-source-closed-2-expected.txt 2015-02-27 21:18:39 UTC (rev 180774)
</span><span class="lines">@@ -0,0 +1,13 @@
</span><ins>+Tests that a page with a closed MediaSource goes into the page cache.
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+pageshow - not from cache
+pagehide - entering cache
+pageshow - from cache
+PASS Page did enter and was restored from the page cache
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
</ins></span></pre></div>
<a id="trunkLayoutTestsfasthistorypagecachemediasourceclosed2html"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/history/page-cache-media-source-closed-2.html (0 => 180774)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/history/page-cache-media-source-closed-2.html (rev 0)
+++ trunk/LayoutTests/fast/history/page-cache-media-source-closed-2.html 2015-02-27 21:18:39 UTC (rev 180774)
</span><span class="lines">@@ -0,0 +1,53 @@
</span><ins>+<!DOCTYPE html>
+<html>
+<body>
+<script src="../../resources/js-test-pre.js"></script>
+<script>
+description('Tests that a page with a closed MediaSource goes into the page cache.');
+window.jsTestIsAsync = true;
+
+if (window.testRunner)
+ testRunner.overridePreference("WebKitUsesPageCachePreferenceKey", 1);
+
+window.addEventListener("pageshow", function(event) {
+ debug("pageshow - " + (event.persisted ? "" : "not ") + "from cache");
+
+ if (event.persisted) {
+ testPassed("Page did enter and was restored from the page cache");
+ finishJSTest();
+ }
+}, false);
+
+window.addEventListener("pagehide", function(event) {
+ debug("pagehide - " + (event.persisted ? "" : "not ") + "entering cache");
+ if (!event.persisted) {
+ testFailed("Page did not enter the page cache.");
+ finishJSTest();
+ }
+}, false);
+
+window.addEventListener('load', function() {
+ // Construct a MediaSource and open it.
+ mediaSource = new MediaSource();
+ mediaTag = document.createElement("video");
+ document.body.appendChild(mediaTag);
+ mediaSourceURL = URL.createObjectURL(mediaSource);
+ mediaTag.src = mediaSourceURL;
+
+ window.sessionStorage.page_cache_open_mediasource_test_started = true;
+
+ mediaSource.addEventListener('sourceopen', function() {
+ // Cause the MediaSource to close.
+ mediaTag.src = "";
+ });
+
+ mediaSource.addEventListener('sourceclose', function() {
+ // Force a back navigation back to this page.
+ window.location.href = "resources/page-cache-helper.html";
+ });
+}, false);
+
+</script>
+<script src="../../resources/js-test-post.js"></script>
+</body>
+</html>
</ins></span></pre></div>
<a id="trunkLayoutTestsfasthistorypagecachemediasourceclosedexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/history/page-cache-media-source-closed-expected.txt (0 => 180774)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/history/page-cache-media-source-closed-expected.txt (rev 0)
+++ trunk/LayoutTests/fast/history/page-cache-media-source-closed-expected.txt 2015-02-27 21:18:39 UTC (rev 180774)
</span><span class="lines">@@ -0,0 +1,13 @@
</span><ins>+Tests that a page with a closed MediaSource goes into the page cache.
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+pageshow - not from cache
+pagehide - entering cache
+pageshow - from cache
+PASS Page did enter and was restored from the page cache
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
</ins></span></pre></div>
<a id="trunkLayoutTestsfasthistorypagecachemediasourceclosedhtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/history/page-cache-media-source-closed.html (0 => 180774)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/history/page-cache-media-source-closed.html (rev 0)
+++ trunk/LayoutTests/fast/history/page-cache-media-source-closed.html 2015-02-27 21:18:39 UTC (rev 180774)
</span><span class="lines">@@ -0,0 +1,44 @@
</span><ins>+<!DOCTYPE html>
+<html>
+<body>
+<script src="../../resources/js-test-pre.js"></script>
+<script>
+description('Tests that a page with a closed MediaSource goes into the page cache.');
+window.jsTestIsAsync = true;
+
+if (window.testRunner)
+ testRunner.overridePreference("WebKitUsesPageCachePreferenceKey", 1);
+
+window.addEventListener("pageshow", function(event) {
+ debug("pageshow - " + (event.persisted ? "" : "not ") + "from cache");
+
+ if (event.persisted) {
+ testPassed("Page did enter and was restored from the page cache");
+ finishJSTest();
+ }
+}, false);
+
+window.addEventListener("pagehide", function(event) {
+ debug("pagehide - " + (event.persisted ? "" : "not ") + "entering cache");
+ if (!event.persisted) {
+ testFailed("Page did not enter the page cache.");
+ finishJSTest();
+ }
+}, false);
+
+window.addEventListener('load', function() {
+ // Construct a MediaSource (it is initially in closed state).
+ mediaSource = new MediaSource();
+
+ // This needs to happen outside the onload handler so that a history
+ // item is created.
+ setTimeout(function() {
+ // Force a back navigation back to this page.
+ window.location.href = "resources/page-cache-helper.html";
+ }, 0);
+}, false);
+
+</script>
+<script src="../../resources/js-test-post.js"></script>
+</body>
+</html>
</ins></span></pre></div>
<a id="trunkLayoutTestsfasthistorypagecachemediasourceopenedexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/history/page-cache-media-source-opened-expected.txt (0 => 180774)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/history/page-cache-media-source-opened-expected.txt (rev 0)
+++ trunk/LayoutTests/fast/history/page-cache-media-source-opened-expected.txt 2015-02-27 21:18:39 UTC (rev 180774)
</span><span class="lines">@@ -0,0 +1,11 @@
</span><ins>+Tests that a page with a closed MediaSource goes into the page cache.
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+pageshow - not from cache
+PASS Page was not restored from page cache
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
</ins></span></pre></div>
<a id="trunkLayoutTestsfasthistorypagecachemediasourceopenedhtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/history/page-cache-media-source-opened.html (0 => 180774)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/history/page-cache-media-source-opened.html (rev 0)
+++ trunk/LayoutTests/fast/history/page-cache-media-source-opened.html 2015-02-27 21:18:39 UTC (rev 180774)
</span><span class="lines">@@ -0,0 +1,54 @@
</span><ins>+<!DOCTYPE html>
+<html>
+<body>
+<script src="../../resources/js-test-pre.js"></script>
+<script>
+description('Tests that a page with a closed MediaSource goes into the page cache.');
+window.jsTestIsAsync = true;
+
+if (window.testRunner)
+ testRunner.overridePreference("WebKitUsesPageCachePreferenceKey", 1);
+
+window.addEventListener("pageshow", function(event) {
+ debug("pageshow - " + (event.persisted ? "" : "not ") + "from cache");
+ if (!window.sessionStorage.page_cache_open_mediasource_test_started)
+ return;
+
+ delete window.sessionStorage.page_cache_open_mediasource_test_started;
+
+ if (event.persisted)
+ testFailed("Page did enter and was restored from the page cache");
+ else
+ testPassed("Page was not restored from page cache");
+
+ finishJSTest();
+}, false);
+
+window.addEventListener("pagehide", function(event) {
+ debug("pagehide - " + (event.persisted ? "" : "not ") + "entering cache");
+ if (event.persisted) {
+ testFailed("Page entered the page cache.");
+ finishJSTest();
+ }
+}, false);
+
+window.addEventListener('load', function() {
+ // Construct a MediaSource and open it.
+ mediaSource = new MediaSource();
+ mediaTag = document.createElement("video");
+ document.body.appendChild(mediaTag);
+ mediaSourceURL = URL.createObjectURL(mediaSource);
+ mediaTag.src = mediaSourceURL;
+
+ window.sessionStorage.page_cache_open_mediasource_test_started = true;
+
+ mediaSource.addEventListener('sourceopen', function() {
+ // Force a back navigation back to this page.
+ window.location.href = "resources/page-cache-helper.html";
+ });
+}, false);
+
+</script>
+<script src="../../resources/js-test-post.js"></script>
+</body>
+</html>
</ins></span></pre></div>
<a id="trunkLayoutTestsplatformeflTestExpectations"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/platform/efl/TestExpectations (180773 => 180774)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/platform/efl/TestExpectations 2015-02-27 20:14:22 UTC (rev 180773)
+++ trunk/LayoutTests/platform/efl/TestExpectations 2015-02-27 21:18:39 UTC (rev 180774)
</span><span class="lines">@@ -1046,6 +1046,9 @@
</span><span class="cx"> # Requires MEDIA_SOURCE support.
</span><span class="cx"> webkit.org/b/95296 http/tests/media/media-source [ Skip ]
</span><span class="cx"> webkit.org/b/95296 media/media-source [ Skip ]
</span><ins>+webkit.org/b/95296 fast/history/page-cache-media-source-opened.html [ Skip ]
+webkit.org/b/95296 fast/history/page-cache-media-source-closed.html [ Skip ]
+webkit.org/b/95296 fast/history/page-cache-media-source-closed-2.html [ Skip ]
</ins><span class="cx">
</span><span class="cx"> # Requires ENCRYPTED_MEDIA support.
</span><span class="cx"> webkit.org/b/95297 media/encrypted-media [ Pass ]
</span></span></pre></div>
<a id="trunkLayoutTestsplatformmacTestExpectations"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/platform/mac/TestExpectations (180773 => 180774)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/platform/mac/TestExpectations 2015-02-27 20:14:22 UTC (rev 180773)
+++ trunk/LayoutTests/platform/mac/TestExpectations 2015-02-27 21:18:39 UTC (rev 180774)
</span><span class="lines">@@ -952,6 +952,9 @@
</span><span class="cx"> # Mavericks and prior do not support Media Source.
</span><span class="cx"> [ Mavericks ] media/media-source [ WontFix ]
</span><span class="cx"> [ Mavericks ] http/tests/media/media-source/ [ WontFix ]
</span><ins>+[ Mavericks ] fast/history/page-cache-media-source-closed.html [ WontFix ]
+[ Mavericks ] fast/history/page-cache-media-source-closed-2.html [ WontFix ]
+[ Mavericks ] fast/history/page-cache-media-source-opened.html [ WontFix ]
</ins><span class="cx"> ## --- End media tests failing on Mavericks and earlier ---
</span><span class="cx">
</span><span class="cx"> ## --- Start flaky media tests ---
</span></span></pre></div>
<a id="trunkLayoutTestsplatformwinTestExpectations"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/platform/win/TestExpectations (180773 => 180774)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/platform/win/TestExpectations 2015-02-27 20:14:22 UTC (rev 180773)
+++ trunk/LayoutTests/platform/win/TestExpectations 2015-02-27 21:18:39 UTC (rev 180774)
</span><span class="lines">@@ -799,6 +799,9 @@
</span><span class="cx"> # Tests for MediaSource API. Feature is not yet functional.
</span><span class="cx"> media/media-source/ [ Skip ]
</span><span class="cx"> webkit.org/b/64731 http/tests/media/media-source/ [ Skip ]
</span><ins>+webkit.org/b/64731 fast/history/page-cache-media-source-opened.html [ Skip ]
+webkit.org/b/64731 fast/history/page-cache-media-source-closed.html [ Skip ]
+webkit.org/b/64731 fast/history/page-cache-media-source-closed-2.html [ Skip ]
</ins><span class="cx">
</span><span class="cx"> # These tests are for an obsolete version of the EME spec.
</span><span class="cx"> fast/events/constructors/media-key-event-constructor.html [ Skip ] # [ WontFix ]
</span></span></pre></div>
<a id="trunkLayoutTestsplatformwincairoTestExpectations"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/platform/wincairo/TestExpectations (180773 => 180774)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/platform/wincairo/TestExpectations 2015-02-27 20:14:22 UTC (rev 180773)
+++ trunk/LayoutTests/platform/wincairo/TestExpectations 2015-02-27 21:18:39 UTC (rev 180774)
</span><span class="lines">@@ -1995,6 +1995,9 @@
</span><span class="cx"> # Tests for MediaSource API. Feature is not yet functional.
</span><span class="cx"> # https://bugs.webkit.org/show_bug.cgi?id=64731
</span><span class="cx"> http/tests/media/media-source/
</span><ins>+fast/history/page-cache-media-source-opened.html
+fast/history/page-cache-media-source-closed.html
+fast/history/page-cache-media-source-closed-2.html
</ins><span class="cx">
</span><span class="cx"> # Encrypted Media Extensions are not enabled.
</span><span class="cx"> media/encrypted-media/
</span></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (180773 => 180774)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2015-02-27 20:14:22 UTC (rev 180773)
+++ trunk/Source/WebCore/ChangeLog 2015-02-27 21:18:39 UTC (rev 180774)
</span><span class="lines">@@ -1,3 +1,19 @@
</span><ins>+2015-02-27 Chris Dumez <cdumez@apple.com>
+
+ MediaSource should be suspendable when closed
+ https://bugs.webkit.org/show_bug.cgi?id=142089
+ <rdar://problem/19923085>
+
+ Reviewed by Jer Noble.
+
+ Make MediaSource ActiveDOMObject suspendable when it is in closed state
+ and it has no pending events. This increases the likelihood of pages
+ using MediaSource to enter the PageCache.
+
+ Tests: fast/history/page-cache-media-source-closed-2.html
+ fast/history/page-cache-media-source-closed.html
+ fast/history/page-cache-media-source-opened.html
+
</ins><span class="cx"> 2015-02-27 Andreas Kling <akling@apple.com>
</span><span class="cx">
</span><span class="cx"> Use NeverDestroyed for JS wrapper owners.
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesmediasourceMediaSourcecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/mediasource/MediaSource.cpp (180773 => 180774)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/mediasource/MediaSource.cpp 2015-02-27 20:14:22 UTC (rev 180773)
+++ trunk/Source/WebCore/Modules/mediasource/MediaSource.cpp 2015-02-27 21:18:39 UTC (rev 180774)
</span><span class="lines">@@ -809,6 +809,11 @@
</span><span class="cx"> m_private.clear();
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+bool MediaSource::canSuspend() const
+{
+ return isClosed() && !m_asyncEventQueue.hasPendingEvents();
+}
+
</ins><span class="cx"> void MediaSource::onReadyStateChange(const AtomicString& oldState, const AtomicString& newState)
</span><span class="cx"> {
</span><span class="cx"> if (isOpen()) {
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesmediasourceMediaSourceh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/mediasource/MediaSource.h (180773 => 180774)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/mediasource/MediaSource.h 2015-02-27 20:14:22 UTC (rev 180773)
+++ trunk/Source/WebCore/Modules/mediasource/MediaSource.h 2015-02-27 21:18:39 UTC (rev 180774)
</span><span class="lines">@@ -100,8 +100,9 @@
</span><span class="cx"> static bool isTypeSupported(const String& type);
</span><span class="cx">
</span><span class="cx"> // ActiveDOMObject interface
</span><del>- virtual bool hasPendingActivity() const override;
- virtual void stop() override;
</del><ins>+ bool hasPendingActivity() const override;
+ void stop() override;
+ bool canSuspend() const override;
</ins><span class="cx">
</span><span class="cx"> // EventTarget interface
</span><span class="cx"> virtual ScriptExecutionContext* scriptExecutionContext() const override final;
</span></span></pre>
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