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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/174384">174384</a></dd>
<dt>Author</dt> <dd>adachan@apple.com</dd>
<dt>Date</dt> <dd>2014-10-06 21:42:01 -0700 (Mon, 06 Oct 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Call WKPageUIClient::isPlayingAudioDidChange() whenever audio starts/stops playing on a page.
https://bugs.webkit.org/show_bug.cgi?id=137050

Reviewed by Anders Carlsson.

Implement WebChromeClient::isPlayingAudioDidChange() which sends the new isPlayingAudio state
over to the UI process. WebPageProxy caches the isPlayingAudio state, and when that changes,
it calls WKPageUIClient::isPlayingAudioDidChange().

* UIProcess/API/APIUIClient.h:
(API::UIClient::isPlayingAudioDidChange):
* UIProcess/API/C/WKPage.cpp:
(WKPageSetPageUIClient):
* UIProcess/WebPageProxy.cpp:
(WebKit::WebPageProxy::WebPageProxy):
(WebKit::WebPageProxy::isPlayingAudioDidChange):
* UIProcess/WebPageProxy.h:
(WebKit::WebPageProxy::isPlayingAudio):
* UIProcess/WebPageProxy.messages.in:
* WebProcess/WebCoreSupport/WebChromeClient.cpp:
(WebKit::WebChromeClient::isPlayingAudioDidChange):
* WebProcess/WebCoreSupport/WebChromeClient.h:</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2UIProcessAPIAPIUIClienth">trunk/Source/WebKit2/UIProcess/API/APIUIClient.h</a></li>
<li><a href="#trunkSourceWebKit2UIProcessAPICWKPagecpp">trunk/Source/WebKit2/UIProcess/API/C/WKPage.cpp</a></li>
<li><a href="#trunkSourceWebKit2UIProcessWebPageProxycpp">trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp</a></li>
<li><a href="#trunkSourceWebKit2UIProcessWebPageProxyh">trunk/Source/WebKit2/UIProcess/WebPageProxy.h</a></li>
<li><a href="#trunkSourceWebKit2UIProcessWebPageProxymessagesin">trunk/Source/WebKit2/UIProcess/WebPageProxy.messages.in</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebCoreSupportWebChromeClientcpp">trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.cpp</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebCoreSupportWebChromeClienth">trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.h</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (174383 => 174384)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2014-10-07 03:32:55 UTC (rev 174383)
+++ trunk/Source/WebKit2/ChangeLog        2014-10-07 04:42:01 UTC (rev 174384)
</span><span class="lines">@@ -1,3 +1,28 @@
</span><ins>+2014-10-06  Ada Chan  &lt;adachan@apple.com&gt;
+
+        Call WKPageUIClient::isPlayingAudioDidChange() whenever audio starts/stops playing on a page.
+        https://bugs.webkit.org/show_bug.cgi?id=137050
+
+        Reviewed by Anders Carlsson.
+
+        Implement WebChromeClient::isPlayingAudioDidChange() which sends the new isPlayingAudio state
+        over to the UI process. WebPageProxy caches the isPlayingAudio state, and when that changes,
+        it calls WKPageUIClient::isPlayingAudioDidChange().
+
+        * UIProcess/API/APIUIClient.h:
+        (API::UIClient::isPlayingAudioDidChange):
+        * UIProcess/API/C/WKPage.cpp:
+        (WKPageSetPageUIClient):
+        * UIProcess/WebPageProxy.cpp:
+        (WebKit::WebPageProxy::WebPageProxy):
+        (WebKit::WebPageProxy::isPlayingAudioDidChange):
+        * UIProcess/WebPageProxy.h:
+        (WebKit::WebPageProxy::isPlayingAudio):
+        * UIProcess/WebPageProxy.messages.in:
+        * WebProcess/WebCoreSupport/WebChromeClient.cpp:
+        (WebKit::WebChromeClient::isPlayingAudioDidChange):
+        * WebProcess/WebCoreSupport/WebChromeClient.h:
+
</ins><span class="cx"> 2014-10-06  Gyuyoung Kim  &lt;gyuyoung.kim@samsung.com&gt;
</span><span class="cx"> 
</span><span class="cx">         [EFL] Restore previous scroll position using restoreViewState()
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessAPIAPIUIClienth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/API/APIUIClient.h (174383 => 174384)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/API/APIUIClient.h        2014-10-07 03:32:55 UTC (rev 174383)
+++ trunk/Source/WebKit2/UIProcess/API/APIUIClient.h        2014-10-07 04:42:01 UTC (rev 174384)
</span><span class="lines">@@ -144,6 +144,8 @@
</span><span class="cx">     virtual void didRecognizeLongMousePress(WebKit::WebPageProxy*, API::Object*) { }
</span><span class="cx">     virtual void didCancelTrackingPotentialLongMousePress(WebKit::WebPageProxy*, API::Object*) { }
</span><span class="cx"> 
</span><ins>+    virtual void isPlayingAudioDidChange(WebKit::WebPageProxy&amp;) { }
+
</ins><span class="cx"> #if PLATFORM(IOS)
</span><span class="cx">     virtual RetainPtr&lt;NSArray&gt; actionsForElement(_WKActivatedElementInfo *, RetainPtr&lt;NSArray&gt; defaultActions) { return WTF::move(defaultActions); }
</span><span class="cx">     virtual void didNotHandleTapAsClick(const WebCore::IntPoint&amp;) { }
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessAPICWKPagecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/API/C/WKPage.cpp (174383 => 174384)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/API/C/WKPage.cpp        2014-10-07 03:32:55 UTC (rev 174383)
+++ trunk/Source/WebKit2/UIProcess/API/C/WKPage.cpp        2014-10-07 04:42:01 UTC (rev 174384)
</span><span class="lines">@@ -1610,6 +1610,14 @@
</span><span class="cx"> 
</span><span class="cx">             m_client.didCancelTrackingPotentialLongMousePress(toAPI(page), toAPI(userInfo), m_client.base.clientInfo);
</span><span class="cx">         }
</span><ins>+
+        virtual void isPlayingAudioDidChange(WebPageProxy&amp; page)
+        {
+            if (!m_client.isPlayingAudioDidChange)
+                return;
+
+            m_client.isPlayingAudioDidChange(toAPI(&amp;page), m_client.base.clientInfo);
+        }
</ins><span class="cx">     };
</span><span class="cx"> 
</span><span class="cx">     toImpl(pageRef)-&gt;setUIClient(std::make_unique&lt;UIClient&gt;(wkClient));
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessWebPageProxycpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp (174383 => 174384)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp        2014-10-07 03:32:55 UTC (rev 174383)
+++ trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp        2014-10-07 04:42:01 UTC (rev 174384)
</span><span class="lines">@@ -370,6 +370,7 @@
</span><span class="cx">     , m_configurationPreferenceValues(configuration.preferenceValues)
</span><span class="cx">     , m_potentiallyChangedViewStateFlags(ViewState::NoFlags)
</span><span class="cx">     , m_viewStateChangeWantsReply(false)
</span><ins>+    , m_isPlayingAudio(false)
</ins><span class="cx"> {
</span><span class="cx">     if (m_process-&gt;state() == WebProcessProxy::State::Running) {
</span><span class="cx">         if (m_userContentController)
</span><span class="lines">@@ -5244,6 +5245,15 @@
</span><span class="cx">     recordNavigationSnapshot();
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void WebPageProxy::isPlayingAudioDidChange(bool newIsPlayingAudio)
+{
+    if (m_isPlayingAudio == newIsPlayingAudio)
+        return;
+
+    m_isPlayingAudio = newIsPlayingAudio;
+    m_uiClient-&gt;isPlayingAudioDidChange(*this);
+}
+
</ins><span class="cx"> #if PLATFORM(MAC)
</span><span class="cx"> void WebPageProxy::removeNavigationGestureSnapshot()
</span><span class="cx"> {
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessWebPageProxyh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/WebPageProxy.h (174383 => 174384)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/WebPageProxy.h        2014-10-07 03:32:55 UTC (rev 174383)
+++ trunk/Source/WebKit2/UIProcess/WebPageProxy.h        2014-10-07 04:42:01 UTC (rev 174384)
</span><span class="lines">@@ -911,6 +911,9 @@
</span><span class="cx"> 
</span><span class="cx">     bool isShowingNavigationGestureSnapshot() const { return m_isShowingNavigationGestureSnapshot; }
</span><span class="cx"> 
</span><ins>+    void isPlayingAudioDidChange(bool);
+    bool isPlayingAudio() const { return m_isPlayingAudio; }
+
</ins><span class="cx"> #if PLATFORM(MAC)
</span><span class="cx">     void removeNavigationGestureSnapshot();
</span><span class="cx"> #endif
</span><span class="lines">@@ -1546,6 +1549,8 @@
</span><span class="cx">     WebPreferencesStore::ValueMap m_configurationPreferenceValues;
</span><span class="cx">     WebCore::ViewState::Flags m_potentiallyChangedViewStateFlags;
</span><span class="cx">     bool m_viewStateChangeWantsReply;
</span><ins>+
+    bool m_isPlayingAudio;
</ins><span class="cx"> };
</span><span class="cx"> 
</span><span class="cx"> } // namespace WebKit
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessWebPageProxymessagesin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/WebPageProxy.messages.in (174383 => 174384)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/WebPageProxy.messages.in        2014-10-07 03:32:55 UTC (rev 174383)
+++ trunk/Source/WebKit2/UIProcess/WebPageProxy.messages.in        2014-10-07 04:42:01 UTC (rev 174384)
</span><span class="lines">@@ -414,4 +414,6 @@
</span><span class="cx"> #if ENABLE(CONTENT_FILTERING)
</span><span class="cx">     ContentFilterDidBlockLoadForFrame(WebCore::ContentFilter contentFilter, uint64_t frameID)
</span><span class="cx"> #endif
</span><ins>+
+    IsPlayingAudioDidChange(bool newIsPlayingAudio);
</ins><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebCoreSupportWebChromeClientcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.cpp (174383 => 174384)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.cpp        2014-10-07 03:32:55 UTC (rev 174383)
+++ trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.cpp        2014-10-07 04:42:01 UTC (rev 174384)
</span><span class="lines">@@ -1051,6 +1051,11 @@
</span><span class="cx">     return m_page-&gt;drawingArea()-&gt;shouldUseTiledBackingForFrameView(frameView);
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void WebChromeClient::isPlayingAudioDidChange(bool newIsPlayingAudio)
+{
+    m_page-&gt;send(Messages::WebPageProxy::IsPlayingAudioDidChange(newIsPlayingAudio));
+}
+
</ins><span class="cx"> #if ENABLE(SUBTLE_CRYPTO)
</span><span class="cx"> bool WebChromeClient::wrapCryptoKey(const Vector&lt;uint8_t&gt;&amp; key, Vector&lt;uint8_t&gt;&amp; wrappedKey) const
</span><span class="cx"> {
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebCoreSupportWebChromeClienth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.h (174383 => 174384)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.h        2014-10-07 03:32:55 UTC (rev 174383)
+++ trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.h        2014-10-07 04:42:01 UTC (rev 174384)
</span><span class="lines">@@ -298,6 +298,8 @@
</span><span class="cx"> 
</span><span class="cx">     virtual bool shouldUseTiledBackingForFrameView(const WebCore::FrameView*) const override;
</span><span class="cx"> 
</span><ins>+    virtual void isPlayingAudioDidChange(bool) override;
+
</ins><span class="cx"> #if ENABLE(SUBTLE_CRYPTO)
</span><span class="cx">     virtual bool wrapCryptoKey(const Vector&lt;uint8_t&gt;&amp;, Vector&lt;uint8_t&gt;&amp;) const override;
</span><span class="cx">     virtual bool unwrapCryptoKey(const Vector&lt;uint8_t&gt;&amp;, Vector&lt;uint8_t&gt;&amp;) const override;
</span></span></pre>
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