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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/168393">168393</a></dd>
<dt>Author</dt> <dd>benjamin@webkit.org</dd>
<dt>Date</dt> <dd>2014-05-06 17:01:53 -0700 (Tue, 06 May 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>[iOS][WK2] WebKit2 does not set CanPreventNativeGestures on the platform events
https://bugs.webkit.org/show_bug.cgi?id=132594

Patch by Benjamin Poulain &lt;bpoulain@apple.com&gt; on 2014-05-06
Reviewed by Simon Fraser.

Set CanPreventNativeGestures on the plaform event.
Change the tracking of WKContentView to be similar to WebPageProxy.

* Shared/WebEvent.h:
(WebKit::WebTouchEvent::WebTouchEvent):
(WebKit::WebTouchEvent::canPreventNativeGestures):
(WebKit::WebTouchEvent::setCanPreventNativeGestures):
* Shared/WebEventConversion.cpp:
(WebKit::WebKit2PlatformTouchEvent::WebKit2PlatformTouchEvent):
* Shared/ios/WebTouchEventIOS.cpp:
(WebKit::WebTouchEvent::encode):
(WebKit::WebTouchEvent::decode):
* UIProcess/ios/WKContentViewInteraction.mm:
(-[WKContentView _webTouchEventsRecognized:]):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2SharedWebEventcpp">trunk/Source/WebKit2/Shared/WebEvent.cpp</a></li>
<li><a href="#trunkSourceWebKit2SharedWebEventh">trunk/Source/WebKit2/Shared/WebEvent.h</a></li>
<li><a href="#trunkSourceWebKit2SharedWebEventConversioncpp">trunk/Source/WebKit2/Shared/WebEventConversion.cpp</a></li>
<li><a href="#trunkSourceWebKit2SharediosWebTouchEventIOScpp">trunk/Source/WebKit2/Shared/ios/WebTouchEventIOS.cpp</a></li>
<li><a href="#trunkSourceWebKit2UIProcessWebPageProxycpp">trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp</a></li>
<li><a href="#trunkSourceWebKit2UIProcessiosWKContentViewInteractionmm">trunk/Source/WebKit2/UIProcess/ios/WKContentViewInteraction.mm</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (168392 => 168393)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2014-05-06 23:36:20 UTC (rev 168392)
+++ trunk/Source/WebKit2/ChangeLog        2014-05-07 00:01:53 UTC (rev 168393)
</span><span class="lines">@@ -1,5 +1,27 @@
</span><span class="cx"> 2014-05-06  Benjamin Poulain  &lt;bpoulain@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        [iOS][WK2] WebKit2 does not set CanPreventNativeGestures on the platform events
+        https://bugs.webkit.org/show_bug.cgi?id=132594
+
+        Reviewed by Simon Fraser.
+
+        Set CanPreventNativeGestures on the plaform event.
+        Change the tracking of WKContentView to be similar to WebPageProxy.
+
+        * Shared/WebEvent.h:
+        (WebKit::WebTouchEvent::WebTouchEvent):
+        (WebKit::WebTouchEvent::canPreventNativeGestures):
+        (WebKit::WebTouchEvent::setCanPreventNativeGestures):
+        * Shared/WebEventConversion.cpp:
+        (WebKit::WebKit2PlatformTouchEvent::WebKit2PlatformTouchEvent):
+        * Shared/ios/WebTouchEventIOS.cpp:
+        (WebKit::WebTouchEvent::encode):
+        (WebKit::WebTouchEvent::decode):
+        * UIProcess/ios/WKContentViewInteraction.mm:
+        (-[WKContentView _webTouchEventsRecognized:]):
+
+2014-05-06  Benjamin Poulain  &lt;bpoulain@apple.com&gt;
+
</ins><span class="cx">         [iOS][WK2] Add tap highlight on the simple UITapGestureRecognizer
</span><span class="cx">         https://bugs.webkit.org/show_bug.cgi?id=132623
</span><span class="cx">         &lt;rdar://problem/16709507&gt;
</span></span></pre></div>
<a id="trunkSourceWebKit2SharedWebEventcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Shared/WebEvent.cpp (168392 => 168393)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/WebEvent.cpp        2014-05-06 23:36:20 UTC (rev 168392)
+++ trunk/Source/WebKit2/Shared/WebEvent.cpp        2014-05-07 00:01:53 UTC (rev 168393)
</span><span class="lines">@@ -63,5 +63,17 @@
</span><span class="cx">         return false;
</span><span class="cx">     return true;
</span><span class="cx"> }
</span><del>-    
</del><ins>+
+#if ENABLE(TOUCH_EVENTS)
+bool WebTouchEvent::allTouchPointsAreReleased() const
+{
+    for (const auto&amp; touchPoint : touchPoints()) {
+        if (touchPoint.state() != WebPlatformTouchPoint::TouchReleased &amp;&amp; touchPoint.state() != WebPlatformTouchPoint::TouchCancelled)
+            return false;
+    }
+
+    return true;
+}
+#endif
+
</ins><span class="cx"> } // namespace WebKit
</span></span></pre></div>
<a id="trunkSourceWebKit2SharedWebEventh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Shared/WebEvent.h (168392 => 168393)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/WebEvent.h        2014-05-06 23:36:20 UTC (rev 168392)
+++ trunk/Source/WebKit2/Shared/WebEvent.h        2014-05-07 00:01:53 UTC (rev 168393)
</span><span class="lines">@@ -298,6 +298,7 @@
</span><span class="cx">         : WebEvent(type, modifiers, timestamp)
</span><span class="cx">         , m_touchPoints(touchPoints)
</span><span class="cx">         , m_position(position)
</span><ins>+        , m_canPreventNativeGestures(true)
</ins><span class="cx">         , m_isGesture(isGesture)
</span><span class="cx">         , m_gestureScale(gestureScale)
</span><span class="cx">         , m_gestureRotation(gestureRotation)
</span><span class="lines">@@ -313,6 +314,11 @@
</span><span class="cx">     float gestureScale() const { return m_gestureScale; }
</span><span class="cx">     float gestureRotation() const { return m_gestureRotation; }
</span><span class="cx"> 
</span><ins>+    bool canPreventNativeGestures() const { return m_canPreventNativeGestures; }
+    void setCanPreventNativeGestures(bool canPreventNativeGestures) { m_canPreventNativeGestures = canPreventNativeGestures; }
+
+    bool allTouchPointsAreReleased() const;
+
</ins><span class="cx">     void encode(IPC::ArgumentEncoder&amp;) const;
</span><span class="cx">     static bool decode(IPC::ArgumentDecoder&amp;, WebTouchEvent&amp;);
</span><span class="cx">     
</span><span class="lines">@@ -320,6 +326,7 @@
</span><span class="cx">     Vector&lt;WebPlatformTouchPoint&gt; m_touchPoints;
</span><span class="cx">     
</span><span class="cx">     WebCore::IntPoint m_position;
</span><ins>+    bool m_canPreventNativeGestures;
</ins><span class="cx">     bool m_isGesture;
</span><span class="cx">     float m_gestureScale;
</span><span class="cx">     float m_gestureRotation;
</span><span class="lines">@@ -355,6 +362,8 @@
</span><span class="cx"> 
</span><span class="cx">     void setState(TouchPointState state) { m_state = state; }
</span><span class="cx"> 
</span><ins>+    bool allTouchPointsAreReleased() const;
+
</ins><span class="cx">     void encode(IPC::ArgumentEncoder&amp;) const;
</span><span class="cx">     static bool decode(IPC::ArgumentDecoder&amp;, WebPlatformTouchPoint&amp;);
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2SharedWebEventConversioncpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Shared/WebEventConversion.cpp (168392 => 168393)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/WebEventConversion.cpp        2014-05-06 23:36:20 UTC (rev 168392)
+++ trunk/Source/WebKit2/Shared/WebEventConversion.cpp        2014-05-07 00:01:53 UTC (rev 168393)
</span><span class="lines">@@ -306,6 +306,7 @@
</span><span class="cx"> 
</span><span class="cx">         m_gestureScale = webEvent.gestureScale();
</span><span class="cx">         m_gestureRotation = webEvent.gestureRotation();
</span><ins>+        m_canPreventNativeGestures = webEvent.canPreventNativeGestures();
</ins><span class="cx">         m_isGesture = webEvent.isGesture();
</span><span class="cx">         m_position = webEvent.position();
</span><span class="cx">         m_globalPosition = webEvent.position();
</span></span></pre></div>
<a id="trunkSourceWebKit2SharediosWebTouchEventIOScpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Shared/ios/WebTouchEventIOS.cpp (168392 => 168393)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/ios/WebTouchEventIOS.cpp        2014-05-06 23:36:20 UTC (rev 168392)
+++ trunk/Source/WebKit2/Shared/ios/WebTouchEventIOS.cpp        2014-05-07 00:01:53 UTC (rev 168393)
</span><span class="lines">@@ -1,5 +1,5 @@
</span><span class="cx"> /*
</span><del>- * Copyright (C) 2012 Apple Inc. All rights reserved.
</del><ins>+ * Copyright (C) 2012-2014 Apple Inc. All rights reserved.
</ins><span class="cx">  *
</span><span class="cx">  * Redistribution and use in source and binary forms, with or without
</span><span class="cx">  * modification, are permitted provided that the following conditions
</span><span class="lines">@@ -40,6 +40,7 @@
</span><span class="cx"> 
</span><span class="cx">     encoder &lt;&lt; m_touchPoints;
</span><span class="cx">     encoder &lt;&lt; m_position;
</span><ins>+    encoder &lt;&lt; m_canPreventNativeGestures;
</ins><span class="cx">     encoder &lt;&lt; m_isGesture;
</span><span class="cx">     encoder &lt;&lt; m_gestureScale;
</span><span class="cx">     encoder &lt;&lt; m_gestureRotation;
</span><span class="lines">@@ -54,6 +55,8 @@
</span><span class="cx">         return false;
</span><span class="cx">     if (!decoder.decode(result.m_position))
</span><span class="cx">         return false;
</span><ins>+    if (!decoder.decode(result.m_canPreventNativeGestures))
+        return false;
</ins><span class="cx">     if (!decoder.decode(result.m_isGesture))
</span><span class="cx">         return false;
</span><span class="cx">     if (!decoder.decode(result.m_gestureScale))
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessWebPageProxycpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp (168392 => 168393)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp        2014-05-06 23:36:20 UTC (rev 168392)
+++ trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp        2014-05-07 00:01:53 UTC (rev 168393)
</span><span class="lines">@@ -1512,16 +1512,6 @@
</span><span class="cx">     return true;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-static bool areAllTouchPointsReleased(const WebTouchEvent&amp; event)
-{
-    for (const auto&amp; touchPoint : event.touchPoints()) {
-        if (touchPoint.state() != WebPlatformTouchPoint::TouchReleased &amp;&amp; touchPoint.state() != WebPlatformTouchPoint::TouchCancelled)
-            return false;
-    }
-
-    return true;
-}
-
</del><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx"> #if ENABLE(IOS_TOUCH_EVENTS)
</span><span class="lines">@@ -1543,7 +1533,7 @@
</span><span class="cx">     m_pageClient.doneWithTouchEvent(event, handled);
</span><span class="cx">     m_process-&gt;responsivenessTimer()-&gt;stop();
</span><span class="cx"> 
</span><del>-    if (areAllTouchPointsReleased(event))
</del><ins>+    if (event.allTouchPointsAreReleased())
</ins><span class="cx">         m_isTrackingTouchEvents = false;
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -1559,7 +1549,7 @@
</span><span class="cx"> 
</span><span class="cx">     m_process-&gt;send(Messages::EventDispatcher::TouchEvent(m_pageID, event), 0);
</span><span class="cx"> 
</span><del>-    if (areAllTouchPointsReleased(event))
</del><ins>+    if (event.allTouchPointsAreReleased())
</ins><span class="cx">         m_isTrackingTouchEvents = false;
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -1599,7 +1589,7 @@
</span><span class="cx">         }
</span><span class="cx">     }
</span><span class="cx"> 
</span><del>-    if (areAllTouchPointsReleased(event))
</del><ins>+    if (event.allTouchPointsAreReleased())
</ins><span class="cx">         m_isTrackingTouchEvents = false;
</span><span class="cx"> }
</span><span class="cx"> #endif // ENABLE(TOUCH_EVENTS)
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessiosWKContentViewInteractionmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/ios/WKContentViewInteraction.mm (168392 => 168393)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/ios/WKContentViewInteraction.mm        2014-05-06 23:36:20 UTC (rev 168392)
+++ trunk/Source/WebKit2/UIProcess/ios/WKContentViewInteraction.mm        2014-05-07 00:01:53 UTC (rev 168393)
</span><span class="lines">@@ -298,15 +298,17 @@
</span><span class="cx"> - (void)_webTouchEventsRecognized:(UIWebTouchEventsGestureRecognizer *)gestureRecognizer
</span><span class="cx"> {
</span><span class="cx">     NativeWebTouchEvent nativeWebTouchEvent(gestureRecognizer);
</span><del>-    if (nativeWebTouchEvent.type() == WebKit::WebEvent::TouchStart)
-        _canSendTouchEventsAsynchronously = NO;
</del><span class="cx"> 
</span><span class="cx">     _lastInteractionLocation = gestureRecognizer.locationInWindow;
</span><ins>+    nativeWebTouchEvent.setCanPreventNativeGestures(!_canSendTouchEventsAsynchronously || [_touchEventGestureRecognizer isDefaultPrevented]);
</ins><span class="cx"> 
</span><span class="cx">     if (_canSendTouchEventsAsynchronously)
</span><span class="cx">         _page-&gt;handleTouchEventAsynchronously(nativeWebTouchEvent);
</span><span class="cx">     else
</span><span class="cx">         _page-&gt;handleTouchEventSynchronously(nativeWebTouchEvent);
</span><ins>+
+    if (nativeWebTouchEvent.allTouchPointsAreReleased())
+        _canSendTouchEventsAsynchronously = NO;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> static FloatQuad inflateQuad(const FloatQuad&amp; quad, float inflateSize)
</span></span></pre>
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