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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/183503">183503</a></dd>
<dt>Author</dt> <dd>enrica@apple.com</dd>
<dt>Date</dt> <dd>2015-04-28 13:18:36 -0700 (Tue, 28 Apr 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>Add support for lookup on iOS.
https://bugs.webkit.org/show_bug.cgi?id=144342
rdar://problem/19994090

Reviewed by Tim Horton.

* UIProcess/WebPageProxy.h:
* UIProcess/ios/WKContentViewInteraction.mm:
(-[WKContentView _lookup:]):
(-[WKContentView canPerformAction:withSender:]):
* UIProcess/ios/WebPageProxyIOS.mm:
(WebKit::WebPageProxy::getLookupContextAtPoint):
* WebProcess/WebPage/WebPage.h:
* WebProcess/WebPage/WebPage.messages.in:
* WebProcess/WebPage/ios/WebPageIOS.mm:
(WebKit::WebPage::getLookupContextAtPoint):</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 (183502 => 183503)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2015-04-28 20:01:13 UTC (rev 183502)
+++ trunk/Source/WebKit2/ChangeLog        2015-04-28 20:18:36 UTC (rev 183503)
</span><span class="lines">@@ -1,3 +1,22 @@
</span><ins>+2015-04-28  Enrica Casucci  &lt;enrica@apple.com&gt;
+
+        Add support for lookup on iOS.
+        https://bugs.webkit.org/show_bug.cgi?id=144342
+        rdar://problem/19994090
+
+        Reviewed by Tim Horton.
+
+        * UIProcess/WebPageProxy.h:
+        * UIProcess/ios/WKContentViewInteraction.mm:
+        (-[WKContentView _lookup:]):
+        (-[WKContentView canPerformAction:withSender:]):
+        * UIProcess/ios/WebPageProxyIOS.mm:
+        (WebKit::WebPageProxy::getLookupContextAtPoint):
+        * WebProcess/WebPage/WebPage.h:
+        * WebProcess/WebPage/WebPage.messages.in:
+        * WebProcess/WebPage/ios/WebPageIOS.mm:
+        (WebKit::WebPage::getLookupContextAtPoint):
+
</ins><span class="cx"> 2015-04-28  Brady Eidson  &lt;beidson@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Consolidate most &quot;frame load&quot; arguments into FrameLoadRequest.
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessWebPageProxyh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/WebPageProxy.h (183502 => 183503)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/WebPageProxy.h        2015-04-28 20:01:13 UTC (rev 183502)
+++ trunk/Source/WebKit2/UIProcess/WebPageProxy.h        2015-04-28 20:18:36 UTC (rev 183503)
</span><span class="lines">@@ -501,6 +501,7 @@
</span><span class="cx">     void viewportMetaTagWidthDidChange(float width);
</span><span class="cx">     void didFinishDrawingPagesToPDF(const IPC::DataReference&amp;);
</span><span class="cx">     void contentSizeCategoryDidChange(const String&amp; contentSizeCategory);
</span><ins>+    void getLookupContextAtPoint(const WebCore::IntPoint&amp;, std::function&lt;void(const String&amp;, CallbackBase::Error)&gt;);
</ins><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     void didCommitLayerTree(const WebKit::RemoteLayerTreeTransaction&amp;);
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessiosWKContentViewInteractionmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/ios/WKContentViewInteraction.mm (183502 => 183503)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/ios/WKContentViewInteraction.mm        2015-04-28 20:01:13 UTC (rev 183502)
+++ trunk/Source/WebKit2/UIProcess/ios/WKContentViewInteraction.mm        2015-04-28 20:18:36 UTC (rev 183503)
</span><span class="lines">@@ -182,11 +182,13 @@
</span><span class="cx"> - (void)showTextServiceFor:(NSString *)selectedTerm fromRect:(CGRect)presentationRect;
</span><span class="cx"> - (void)scheduleChineseTransliterationForText:(NSString *)text;
</span><span class="cx"> - (void)showShareSheetFor:(NSString *)selectedTerm fromRect:(CGRect)presentationRect;
</span><ins>+- (void)lookup:(NSString *)textWithContext fromRect:(CGRect)presentationRect;
</ins><span class="cx"> @end
</span><span class="cx"> 
</span><span class="cx"> @interface UIWKSelectionAssistant (StagingToRemove)
</span><span class="cx"> - (void)showTextServiceFor:(NSString *)selectedTerm fromRect:(CGRect)presentationRect;
</span><span class="cx"> - (void)showShareSheetFor:(NSString *)selectedTerm fromRect:(CGRect)presentationRect;
</span><ins>+- (void)lookup:(NSString *)textWithContext fromRect:(CGRect)presentationRect;
</ins><span class="cx"> @end
</span><span class="cx"> 
</span><span class="cx"> @interface UIKeyboardImpl (StagingToRemove)
</span><span class="lines">@@ -1295,6 +1297,24 @@
</span><span class="cx">     return (_page-&gt;editorState().isContentRichlyEditable) ? richTypes : plainTextTypes;
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+- (void)_lookup:(CGPoint)point
+{
+    RetainPtr&lt;WKContentView&gt; view = self;
+    _page-&gt;getLookupContextAtPoint(WebCore::IntPoint(point), [view](const String&amp; string, CallbackBase::Error error) {
+        if (error != CallbackBase::Error::None)
+            return;
+        if (!string)
+            return;
+        
+        CGRect presentationRect = view-&gt;_page-&gt;editorState().selectionIsRange ? view-&gt;_page-&gt;editorState().postLayoutData().selectionRects[0].rect() : view-&gt;_page-&gt;editorState().postLayoutData().caretRectAtStart;
+        
+        if (view-&gt;_textSelectionAssistant &amp;&amp; [view-&gt;_textSelectionAssistant respondsToSelector:@selector(lookup:fromRect:)])
+            [view-&gt;_textSelectionAssistant lookup:string fromRect:presentationRect];
+        else if (view-&gt;_webSelectionAssistant &amp;&amp; [view-&gt;_webSelectionAssistant respondsToSelector:@selector(lookup:fromRect:)])
+            [view-&gt;_webSelectionAssistant lookup:string fromRect:presentationRect];
+    });
+}
+
</ins><span class="cx"> - (void)_share:(id)sender
</span><span class="cx"> {
</span><span class="cx">     RetainPtr&lt;WKContentView&gt; view = self;
</span><span class="lines">@@ -1443,6 +1463,16 @@
</span><span class="cx">         return YES;
</span><span class="cx">     }
</span><span class="cx"> 
</span><ins>+    if (action == @selector(_lookup:)) {
+        if (_page-&gt;editorState().isInPasswordField)
+            return NO;
+        
+        if ([[getMCProfileConnectionClass() sharedConnection] effectiveBoolValueForSetting:MCFeatureDefinitionLookupAllowed] == MCRestrictedBoolExplicitNo)
+            return NO;
+        
+        return YES;
+    }
+
</ins><span class="cx">     if (action == @selector(_share:)) {
</span><span class="cx">         if (_page-&gt;editorState().isInPasswordField || !(hasWebSelection || _page-&gt;editorState().selectionIsRange))
</span><span class="cx">             return NO;
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessiosWebPageProxyIOSmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/ios/WebPageProxyIOS.mm (183502 => 183503)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/ios/WebPageProxyIOS.mm        2015-04-28 20:01:13 UTC (rev 183502)
+++ trunk/Source/WebKit2/UIProcess/ios/WebPageProxyIOS.mm        2015-04-28 20:18:36 UTC (rev 183503)
</span><span class="lines">@@ -513,6 +513,17 @@
</span><span class="cx">     m_process-&gt;sendSync(Messages::WebPage::GetAutocorrectionContext(), Messages::WebPage::GetAutocorrectionContext::Reply(beforeContext, markedText, selectedText, afterContext, location, length), m_pageID);
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void WebPageProxy::getLookupContextAtPoint(const WebCore::IntPoint&amp; point, std::function&lt;void(const String&amp;, CallbackBase::Error)&gt; callbackFunction)
+{
+    if (!isValid()) {
+        callbackFunction(String(), CallbackBase::Error::Unknown);
+        return;
+    }
+    
+    uint64_t callbackID = m_callbacks.put(WTF::move(callbackFunction), m_process-&gt;throttler().backgroundActivityToken());
+    m_process-&gt;send(Messages::WebPage::GetLookupContextAtPoint(point, callbackID), m_pageID);
+}
+
</ins><span class="cx"> void WebPageProxy::selectWithTwoTouches(const WebCore::IntPoint from, const WebCore::IntPoint to, uint32_t gestureType, uint32_t gestureState, std::function&lt;void (const WebCore::IntPoint&amp;, uint32_t, uint32_t, uint32_t, 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 (183502 => 183503)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h        2015-04-28 20:01:13 UTC (rev 183502)
+++ trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h        2015-04-28 20:18:36 UTC (rev 183503)
</span><span class="lines">@@ -526,6 +526,7 @@
</span><span class="cx">     void resetAssistedNodeForFrame(WebFrame*);
</span><span class="cx">     WebCore::IntRect rectForElementAtInteractionLocation();
</span><span class="cx">     void updateSelectionAppearance();
</span><ins>+    void getLookupContextAtPoint(const WebCore::IntPoint, uint64_t callbackID);
</ins><span class="cx"> 
</span><span class="cx"> #if ENABLE(IOS_TOUCH_EVENTS)
</span><span class="cx">     void dispatchAsynchronousTouchEvents(const Vector&lt;WebTouchEvent, 1&gt;&amp; queue);
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPageWebPagemessagesin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in (183502 => 183503)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in        2015-04-28 20:01:13 UTC (rev 183502)
+++ trunk/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in        2015-04-28 20:18:36 UTC (rev 183503)
</span><span class="lines">@@ -91,6 +91,7 @@
</span><span class="cx">     ApplicationDidBecomeActive()
</span><span class="cx">     ContentSizeCategoryDidChange(String contentSizeCategory)
</span><span class="cx">     ExecuteEditCommandWithCallback(String name, uint64_t callbackID)
</span><ins>+    GetLookupContextAtPoint(WebCore::IntPoint point, uint64_t callbackID)
</ins><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx"> #if ENABLE(REMOTE_INSPECTOR)
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPageiosWebPageIOSmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm (183502 => 183503)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm        2015-04-28 20:01:13 UTC (rev 183502)
+++ trunk/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm        2015-04-28 20:18:36 UTC (rev 183503)
</span><span class="lines">@@ -406,6 +406,20 @@
</span><span class="cx">     return false;
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void WebPage::getLookupContextAtPoint(const WebCore::IntPoint point, uint64_t callbackID)
+{
+    Frame&amp; frame = m_page-&gt;focusController().focusedOrMainFrame();
+    VisiblePosition position = frame.visiblePositionForPoint(point);
+    String resultString;
+    if (!position.isNull()) {
+        // As context, we are going to use 250 characters of text before and after the point.
+        RefPtr&lt;Range&gt; fullCharacterRange = rangeExpandedAroundPositionByCharacters(position, 250);
+        if (fullCharacterRange)
+            resultString = plainText(fullCharacterRange.get());
+    }
+    send(Messages::WebPageProxy::StringCallback(resultString, callbackID));
+}
+
</ins><span class="cx"> NSObject *WebPage::accessibilityObjectForMainFramePlugin()
</span><span class="cx"> {
</span><span class="cx">     if (!m_page)
</span></span></pre>
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