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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/183592">183592</a></dd>
<dt>Author</dt> <dd>enrica@apple.com</dd>
<dt>Date</dt> <dd>2015-04-29 17:21:20 -0700 (Wed, 29 Apr 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>Adding the ability to move selection by granularity on iOS.
https://bugs.webkit.org/show_bug.cgi?id=144410
rdar://problem/19213337

Reviewed by Benjamin Poulain.

This patch also correctly sets _usingGestureForSelection for all
the functions that change the selection with a gesture.
This way we make sure that the selection drawing is not delayed
until the next time we paint.

* UIProcess/WebPageProxy.h:
* UIProcess/ios/WKContentViewInteraction.mm:
(-[WKContentView moveSelectionAtBoundary:inDirection:completionHandler:]):
* UIProcess/ios/WebPageProxyIOS.mm:
(WebKit::WebPageProxy::moveSelectionAtBoundaryWithDirection):
* WebProcess/WebPage/WebPage.h:
* WebProcess/WebPage/WebPage.messages.in:
* WebProcess/WebPage/ios/WebPageIOS.mm:
(WebKit::WebPage::moveSelectionAtBoundaryWithDirection):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2UIProcessWebPageProxyh">trunk/Source/WebKit2/UIProcess/WebPageProxy.h</a></li>
<li><a href="#trunkSourceWebKit2UIProcessiosWKContentViewInteractionmm">trunk/Source/WebKit2/UIProcess/ios/WKContentViewInteraction.mm</a></li>
<li><a href="#trunkSourceWebKit2UIProcessiosWebPageProxyIOSmm">trunk/Source/WebKit2/UIProcess/ios/WebPageProxyIOS.mm</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebPageWebPageh">trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebPageWebPagemessagesin">trunk/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebPageiosWebPageIOSmm">trunk/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (183591 => 183592)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2015-04-30 00:12:25 UTC (rev 183591)
+++ trunk/Source/WebKit2/ChangeLog        2015-04-30 00:21:20 UTC (rev 183592)
</span><span class="lines">@@ -1,3 +1,26 @@
</span><ins>+2015-04-29  Enrica Casucci  &lt;enrica@apple.com&gt;
+
+        Adding the ability to move selection by granularity on iOS.
+        https://bugs.webkit.org/show_bug.cgi?id=144410
+        rdar://problem/19213337
+
+        Reviewed by Benjamin Poulain.
+
+        This patch also correctly sets _usingGestureForSelection for all
+        the functions that change the selection with a gesture.
+        This way we make sure that the selection drawing is not delayed
+        until the next time we paint.
+
+        * UIProcess/WebPageProxy.h:
+        * UIProcess/ios/WKContentViewInteraction.mm:
+        (-[WKContentView moveSelectionAtBoundary:inDirection:completionHandler:]):
+        * UIProcess/ios/WebPageProxyIOS.mm:
+        (WebKit::WebPageProxy::moveSelectionAtBoundaryWithDirection):
+        * WebProcess/WebPage/WebPage.h:
+        * WebProcess/WebPage/WebPage.messages.in:
+        * WebProcess/WebPage/ios/WebPageIOS.mm:
+        (WebKit::WebPage::moveSelectionAtBoundaryWithDirection):
+
</ins><span class="cx"> 2015-04-29  Tim Horton  &lt;timothy_horton@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         UI process sometimes crashes under _takeViewSnapshot when the window is off-screen
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessWebPageProxyh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/WebPageProxy.h (183591 => 183592)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/WebPageProxy.h        2015-04-30 00:12:25 UTC (rev 183591)
+++ trunk/Source/WebKit2/UIProcess/WebPageProxy.h        2015-04-30 00:21:20 UTC (rev 183592)
</span><span class="lines">@@ -470,6 +470,7 @@
</span><span class="cx">     void selectTextWithGranularityAtPoint(const WebCore::IntPoint, WebCore::TextGranularity, std::function&lt;void (CallbackBase::Error)&gt;);
</span><span class="cx">     void selectPositionAtPoint(const WebCore::IntPoint, std::function&lt;void (CallbackBase::Error)&gt;);
</span><span class="cx">     void selectPositionAtBoundaryWithDirection(const WebCore::IntPoint, WebCore::TextGranularity, WebCore::SelectionDirection, std::function&lt;void (CallbackBase::Error)&gt;);
</span><ins>+    void moveSelectionAtBoundaryWithDirection(WebCore::TextGranularity, WebCore::SelectionDirection, std::function&lt;void(CallbackBase::Error)&gt;);
</ins><span class="cx">     void beginSelectionInDirection(WebCore::SelectionDirection, std::function&lt;void (uint64_t, CallbackBase::Error)&gt;);
</span><span class="cx">     void updateSelectionWithExtentPoint(const WebCore::IntPoint, std::function&lt;void (uint64_t, CallbackBase::Error)&gt;);
</span><span class="cx">     void requestAutocorrectionData(const String&amp; textForAutocorrection, std::function&lt;void (const Vector&lt;WebCore::FloatRect&gt;&amp;, const String&amp;, double, uint64_t, CallbackBase::Error)&gt;);
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessiosWKContentViewInteractionmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/ios/WKContentViewInteraction.mm (183591 => 183592)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/ios/WKContentViewInteraction.mm        2015-04-30 00:12:25 UTC (rev 183591)
+++ trunk/Source/WebKit2/UIProcess/ios/WKContentViewInteraction.mm        2015-04-30 00:21:20 UTC (rev 183592)
</span><span class="lines">@@ -1974,30 +1974,52 @@
</span><span class="cx"> 
</span><span class="cx"> - (void)selectPositionAtPoint:(CGPoint)point completionHandler:(void (^)(void))completionHandler
</span><span class="cx"> {
</span><ins>+    _usingGestureForSelection = YES;
</ins><span class="cx">     UIWKSelectionCompletionHandler selectionHandler = [completionHandler copy];
</span><ins>+    RetainPtr&lt;WKContentView&gt; view = self;
</ins><span class="cx">     
</span><del>-    _page-&gt;selectPositionAtPoint(WebCore::IntPoint(point), [selectionHandler](WebKit::CallbackBase::Error error) {
</del><ins>+    _page-&gt;selectPositionAtPoint(WebCore::IntPoint(point), [view, selectionHandler](WebKit::CallbackBase::Error error) {
</ins><span class="cx">         selectionHandler();
</span><ins>+        view-&gt;_usingGestureForSelection = NO;
</ins><span class="cx">         [selectionHandler release];
</span><span class="cx">     });
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> - (void)selectPositionAtBoundary:(UITextGranularity)granularity inDirection:(UITextDirection)direction fromPoint:(CGPoint)point completionHandler:(void (^)(void))completionHandler
</span><span class="cx"> {
</span><ins>+    _usingGestureForSelection = YES;
</ins><span class="cx">     UIWKSelectionCompletionHandler selectionHandler = [completionHandler copy];
</span><ins>+    RetainPtr&lt;WKContentView&gt; view = self;
</ins><span class="cx">     
</span><del>-    _page-&gt;selectPositionAtBoundaryWithDirection(WebCore::IntPoint(point), toWKTextGranularity(granularity), toWKSelectionDirection(direction), [selectionHandler](WebKit::CallbackBase::Error error) {
</del><ins>+    _page-&gt;selectPositionAtBoundaryWithDirection(WebCore::IntPoint(point), toWKTextGranularity(granularity), toWKSelectionDirection(direction), [view, selectionHandler](WebKit::CallbackBase::Error error) {
</ins><span class="cx">         selectionHandler();
</span><ins>+        view-&gt;_usingGestureForSelection = NO;
</ins><span class="cx">         [selectionHandler release];
</span><span class="cx">     });
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+- (void)moveSelectionAtBoundary:(UITextGranularity)granularity inDirection:(UITextDirection)direction completionHandler:(void (^)(void))completionHandler
+{
+    _usingGestureForSelection = YES;
+    UIWKSelectionCompletionHandler selectionHandler = [completionHandler copy];
+    RetainPtr&lt;WKContentView&gt; view = self;
+    
+    _page-&gt;moveSelectionAtBoundaryWithDirection(toWKTextGranularity(granularity), toWKSelectionDirection(direction), [view, selectionHandler](WebKit::CallbackBase::Error error) {
+        selectionHandler();
+        view-&gt;_usingGestureForSelection = NO;
+        [selectionHandler release];
+    });
+}
+
</ins><span class="cx"> - (void)selectTextWithGranularity:(UITextGranularity)granularity atPoint:(CGPoint)point completionHandler:(void (^)(void))completionHandler
</span><span class="cx"> {
</span><ins>+    _usingGestureForSelection = YES;
</ins><span class="cx">     UIWKSelectionCompletionHandler selectionHandler = [completionHandler copy];
</span><ins>+    RetainPtr&lt;WKContentView&gt; view = self;
</ins><span class="cx"> 
</span><del>-    _page-&gt;selectTextWithGranularityAtPoint(WebCore::IntPoint(point), toWKTextGranularity(granularity), [selectionHandler](WebKit::CallbackBase::Error error) {
</del><ins>+    _page-&gt;selectTextWithGranularityAtPoint(WebCore::IntPoint(point), toWKTextGranularity(granularity), [view, selectionHandler](WebKit::CallbackBase::Error error) {
</ins><span class="cx">         selectionHandler();
</span><ins>+        view-&gt;_usingGestureForSelection = NO;
</ins><span class="cx">         [selectionHandler release];
</span><span class="cx">     });
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessiosWebPageProxyIOSmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/ios/WebPageProxyIOS.mm (183591 => 183592)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/ios/WebPageProxyIOS.mm        2015-04-30 00:12:25 UTC (rev 183591)
+++ trunk/Source/WebKit2/UIProcess/ios/WebPageProxyIOS.mm        2015-04-30 00:21:20 UTC (rev 183592)
</span><span class="lines">@@ -452,6 +452,17 @@
</span><span class="cx">     m_process-&gt;send(Messages::WebPage::SelectPositionAtBoundaryWithDirection(point, static_cast&lt;uint32_t&gt;(granularity), static_cast&lt;uint32_t&gt;(direction), callbackID), m_pageID);
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void WebPageProxy::moveSelectionAtBoundaryWithDirection(WebCore::TextGranularity granularity, WebCore::SelectionDirection direction, std::function&lt;void(CallbackBase::Error)&gt; callbackFunction)
+{
+    if (!isValid()) {
+        callbackFunction(CallbackBase::Error::Unknown);
+        return;
+    }
+    
+    uint64_t callbackID = m_callbacks.put(WTF::move(callbackFunction), m_process-&gt;throttler().backgroundActivityToken());
+    m_process-&gt;send(Messages::WebPage::MoveSelectionAtBoundaryWithDirection(static_cast&lt;uint32_t&gt;(granularity), static_cast&lt;uint32_t&gt;(direction), callbackID), m_pageID);
+}
+    
</ins><span class="cx"> void WebPageProxy::selectPositionAtPoint(const WebCore::IntPoint point, std::function&lt;void (CallbackBase::Error)&gt; callbackFunction)
</span><span class="cx"> {
</span><span class="cx">     if (!isValid()) {
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPageWebPageh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h (183591 => 183592)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h        2015-04-30 00:12:25 UTC (rev 183591)
+++ trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h        2015-04-30 00:21:20 UTC (rev 183592)
</span><span class="lines">@@ -500,6 +500,7 @@
</span><span class="cx">     void moveSelectionByOffset(int32_t offset, uint64_t callbackID);
</span><span class="cx">     void selectTextWithGranularityAtPoint(const WebCore::IntPoint&amp;, uint32_t granularity, uint64_t callbackID);
</span><span class="cx">     void selectPositionAtBoundaryWithDirection(const WebCore::IntPoint&amp;, uint32_t granularity, uint32_t direction, uint64_t callbackID);
</span><ins>+    void moveSelectionAtBoundaryWithDirection(uint32_t granularity, uint32_t direction, uint64_t callbackID);
</ins><span class="cx">     void selectPositionAtPoint(const WebCore::IntPoint&amp;, uint64_t callbackID);
</span><span class="cx">     void beginSelectionInDirection(uint32_t direction, uint64_t callbackID);
</span><span class="cx">     void updateSelectionWithExtentPoint(const WebCore::IntPoint&amp;, uint64_t callbackID);
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPageWebPagemessagesin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in (183591 => 183592)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in        2015-04-30 00:12:25 UTC (rev 183591)
+++ trunk/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in        2015-04-30 00:21:20 UTC (rev 183592)
</span><span class="lines">@@ -66,6 +66,7 @@
</span><span class="cx">     MoveSelectionByOffset(int32_t offset, uint64_t callbackID)
</span><span class="cx">     SelectTextWithGranularityAtPoint(WebCore::IntPoint point, uint32_t granularity, uint64_t callbackID)
</span><span class="cx">     SelectPositionAtBoundaryWithDirection(WebCore::IntPoint point, uint32_t granularity, uint32_t direction, uint64_t callbackID)
</span><ins>+    MoveSelectionAtBoundaryWithDirection(uint32_t granularity, uint32_t direction, uint64_t callbackID)
</ins><span class="cx">     SelectPositionAtPoint(WebCore::IntPoint point, uint64_t callbackID)
</span><span class="cx">     BeginSelectionInDirection(uint32_t direction, uint64_t callbackID)
</span><span class="cx">     UpdateSelectionWithExtentPoint(WebCore::IntPoint point, uint64_t callbackID)
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPageiosWebPageIOSmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm (183591 => 183592)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm        2015-04-30 00:12:25 UTC (rev 183591)
+++ trunk/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm        2015-04-30 00:21:20 UTC (rev 183592)
</span><span class="lines">@@ -1695,6 +1695,20 @@
</span><span class="cx">     send(Messages::WebPageProxy::VoidCallback(callbackID));
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void WebPage::moveSelectionAtBoundaryWithDirection(uint32_t granularity, uint32_t direction, uint64_t callbackID)
+{
+    Frame&amp; frame = m_page-&gt;focusController().focusedOrMainFrame();
+    
+    if (!frame.selection().selection().isNone()) {
+        bool isForward = (direction == DirectionForward || direction == DirectionRight);
+        VisiblePosition position = (isForward) ? frame.selection().selection().visibleEnd() : frame.selection().selection().visibleStart();
+        position = positionOfNextBoundaryOfGranularity(position, static_cast&lt;WebCore::TextGranularity&gt;(granularity), static_cast&lt;SelectionDirection&gt;(direction));
+        if (position.isNotNull())
+            frame.selection().setSelectedRange(Range::create(*frame.document(), position, position).ptr(), isForward? UPSTREAM : DOWNSTREAM, true);
+    }
+    send(Messages::WebPageProxy::VoidCallback(callbackID));
+}
+
</ins><span class="cx"> void WebPage::selectTextWithGranularityAtPoint(const WebCore::IntPoint&amp; point, uint32_t granularity, uint64_t callbackID)
</span><span class="cx"> {
</span><span class="cx">     Frame&amp; frame = m_page-&gt;focusController().focusedOrMainFrame();
</span></span></pre>
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