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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/177246">177246</a></dd>
<dt>Author</dt> <dd>enrica@apple.com</dd>
<dt>Date</dt> <dd>2014-12-12 16:00:32 -0800 (Fri, 12 Dec 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>[iOS] Predictions are not updated when using navigation buttons.
https://bugs.webkit.org/show_bug.cgi?id=139567
rdar://problem/19132585

Reviewed by Dan Bernstein.

When moving focus programmatically, we need to notify the keyboard so that it
can update the prediction bar.

* UIProcess/WebPageProxy.h:
* UIProcess/ios/WKContentViewInteraction.mm:
(-[WKFormInputSession setAccessoryViewCustomButtonTitle:]):
(-[WKContentView requiresAccessoryView]):
(-[WKContentView inputAssistantButtonItems]):
(-[WKContentView accessoryTab:]):
(-[WKContentView _startAssistingKeyboard]):
(-[WKContentView _stopAssistingNode]):
* UIProcess/ios/WebPageProxyIOS.mm:
(WebKit::WebPageProxy::focusNextAssistedNode):
* WebProcess/WebPage/WebPage.h:
* WebProcess/WebPage/WebPage.messages.in:
* WebProcess/WebPage/ios/WebPageIOS.mm:
(WebKit::WebPage::focusNextAssistedNode):</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 (177245 => 177246)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2014-12-12 23:46:13 UTC (rev 177245)
+++ trunk/Source/WebKit2/ChangeLog        2014-12-13 00:00:32 UTC (rev 177246)
</span><span class="lines">@@ -1,3 +1,29 @@
</span><ins>+2014-12-12  Enrica Casucci  &lt;enrica@apple.com&gt;
+
+        [iOS] Predictions are not updated when using navigation buttons.
+        https://bugs.webkit.org/show_bug.cgi?id=139567
+        rdar://problem/19132585
+
+        Reviewed by Dan Bernstein.
+
+        When moving focus programmatically, we need to notify the keyboard so that it
+        can update the prediction bar.
+
+        * UIProcess/WebPageProxy.h:
+        * UIProcess/ios/WKContentViewInteraction.mm:
+        (-[WKFormInputSession setAccessoryViewCustomButtonTitle:]):
+        (-[WKContentView requiresAccessoryView]):
+        (-[WKContentView inputAssistantButtonItems]):
+        (-[WKContentView accessoryTab:]):
+        (-[WKContentView _startAssistingKeyboard]):
+        (-[WKContentView _stopAssistingNode]):
+        * UIProcess/ios/WebPageProxyIOS.mm:
+        (WebKit::WebPageProxy::focusNextAssistedNode):
+        * WebProcess/WebPage/WebPage.h:
+        * WebProcess/WebPage/WebPage.messages.in:
+        * WebProcess/WebPage/ios/WebPageIOS.mm:
+        (WebKit::WebPage::focusNextAssistedNode):
+
</ins><span class="cx"> 2014-12-12  Timothy Horton  &lt;timothy_horton@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         TextIndicator (and other view-relative subwindows) is not dismissed on zoom gesture
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessWebPageProxyh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/WebPageProxy.h (177245 => 177246)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/WebPageProxy.h        2014-12-12 23:46:13 UTC (rev 177245)
+++ trunk/Source/WebKit2/UIProcess/WebPageProxy.h        2014-12-13 00:00:32 UTC (rev 177246)
</span><span class="lines">@@ -450,7 +450,7 @@
</span><span class="cx">     void performActionOnElement(uint32_t action);
</span><span class="cx">     void saveImageToLibrary(const SharedMemory::Handle&amp; imageHandle, uint64_t imageSize);
</span><span class="cx">     void didUpdateBlockSelectionWithTouch(uint32_t touch, uint32_t flags, float growThreshold, float shrinkThreshold);
</span><del>-    void focusNextAssistedNode(bool isForward);
</del><ins>+    void focusNextAssistedNode(bool isForward, std::function&lt;void (CallbackBase::Error)&gt;);
</ins><span class="cx">     void setAssistedNodeValue(const String&amp;);
</span><span class="cx">     void setAssistedNodeValueAsNumber(double);
</span><span class="cx">     void setAssistedNodeSelectedIndex(uint32_t index, bool allowMultipleSelection = false);
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessiosWKContentViewInteractionmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/ios/WKContentViewInteraction.mm (177245 => 177246)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/ios/WKContentViewInteraction.mm        2014-12-12 23:46:13 UTC (rev 177245)
+++ trunk/Source/WebKit2/UIProcess/ios/WKContentViewInteraction.mm        2014-12-13 00:00:32 UTC (rev 177246)
</span><span class="lines">@@ -149,6 +149,10 @@
</span><span class="cx"> + (BOOL)_addCompletion:(void(^)(BOOL))completion;
</span><span class="cx"> @end
</span><span class="cx"> 
</span><ins>+@interface UIWebFormAccessory (StagingToRemove)
+@property(nonatomic,retain) NSArray *buttonItems;
+@end
+
</ins><span class="cx"> @interface WKFormInputSession : NSObject &lt;_WKFormInputSession&gt;
</span><span class="cx"> 
</span><span class="cx"> - (instancetype)initWithContentView:(WKContentView *)view userObject:(NSObject &lt;NSSecureCoding&gt; *)userObject;
</span><span class="lines">@@ -193,6 +197,8 @@
</span><span class="cx">         [[_contentView formAccessoryView] showAutoFillButtonWithTitle:title];
</span><span class="cx">     else
</span><span class="cx">         [[_contentView formAccessoryView] hideAutoFillButton];
</span><ins>+    if (UICurrentUserInterfaceIdiomIsPad())
+        [_contentView reloadInputViews];
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> - (void)invalidate
</span><span class="lines">@@ -1144,10 +1150,10 @@
</span><span class="cx">     case InputType::Phone:
</span><span class="cx">     case InputType::Number:
</span><span class="cx">     case InputType::NumberPad:
</span><del>-        return YES;
</del><ins>+        return !UICurrentUserInterfaceIdiomIsPad();
</ins><span class="cx">     case InputType::ContentEditable:
</span><span class="cx">     case InputType::TextArea:
</span><del>-        return YES;
</del><ins>+        return !UICurrentUserInterfaceIdiomIsPad();
</ins><span class="cx">     case InputType::Select:
</span><span class="cx">     case InputType::Date:
</span><span class="cx">     case InputType::DateTime:
</span><span class="lines">@@ -1172,6 +1178,15 @@
</span><span class="cx">     return _formAccessoryView.get();
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+- (NSArray *)inputAssistantButtonItems
+{
+    if (!_formAccessoryView) {
+        _formAccessoryView = adoptNS([[UIWebFormAccessory alloc] init]);
+        [_formAccessoryView setDelegate:self];
+    }
+    return ([_formAccessoryView respondsToSelector:@selector(buttonItems)]) ? [_formAccessoryView buttonItems] : nil;
+}
+
</ins><span class="cx"> - (NSArray *)supportedPasteboardTypesForCurrentSelection
</span><span class="cx"> {
</span><span class="cx">     if (_page-&gt;editorState().selectionIsNone)
</span><span class="lines">@@ -1967,7 +1982,12 @@
</span><span class="cx">     _inputPeripheral = nil;
</span><span class="cx"> 
</span><span class="cx">     _didAccessoryTabInitiateFocus = YES; // Will be cleared in either -_displayFormNodeInputView or -cleanupInteraction.
</span><del>-    _page-&gt;focusNextAssistedNode(isNext);
</del><ins>+    [self beginSelectionChange];
+    _page-&gt;focusNextAssistedNode(isNext, [self](CallbackBase::Error) {
+        [self endSelectionChange];
+        [self reloadInputViews];
+    });
+
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> - (void)accessoryAutoFill
</span><span class="lines">@@ -2634,6 +2654,7 @@
</span><span class="cx"> - (void)_startAssistingKeyboard
</span><span class="cx"> {
</span><span class="cx">     [self useSelectionAssistantWithMode:UIWebSelectionModeTextOnly];
</span><ins>+    [self reloadInputViews];
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> - (void)_stopAssistingKeyboard
</span><span class="lines">@@ -2715,6 +2736,7 @@
</span><span class="cx">     _inputPeripheral = nil;
</span><span class="cx"> 
</span><span class="cx">     [self _stopAssistingKeyboard];
</span><ins>+    [_formAccessoryView hideAutoFillButton];
</ins><span class="cx">     [self reloadInputViews];
</span><span class="cx">     [self _updateAccessory];
</span><span class="cx">     // The name is misleading, but this actually clears the selection views and removes any selection.
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessiosWebPageProxyIOSmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/ios/WebPageProxyIOS.mm (177245 => 177246)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/ios/WebPageProxyIOS.mm        2014-12-12 23:46:13 UTC (rev 177245)
+++ trunk/Source/WebKit2/UIProcess/ios/WebPageProxyIOS.mm        2014-12-13 00:00:32 UTC (rev 177246)
</span><span class="lines">@@ -800,9 +800,15 @@
</span><span class="cx"> }
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><del>-void WebPageProxy::focusNextAssistedNode(bool isForward)
</del><ins>+void WebPageProxy::focusNextAssistedNode(bool isForward, std::function&lt;void (CallbackBase::Error)&gt; callbackFunction)
</ins><span class="cx"> {
</span><del>-    process().send(Messages::WebPage::FocusNextAssistedNode(isForward), m_pageID);
</del><ins>+    if (!isValid()) {
+        callbackFunction(CallbackBase::Error::Unknown);
+        return;
+    }
+    
+    uint64_t callbackID = m_callbacks.put(WTF::move(callbackFunction), std::make_unique&lt;ProcessThrottler::BackgroundActivityToken&gt;(m_process-&gt;throttler()));
+    process().send(Messages::WebPage::FocusNextAssistedNode(isForward, callbackID), m_pageID);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void WebPageProxy::setAssistedNodeValue(const String&amp; value)
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPageWebPageh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h (177245 => 177246)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h        2014-12-12 23:46:13 UTC (rev 177245)
+++ trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h        2014-12-13 00:00:32 UTC (rev 177246)
</span><span class="lines">@@ -511,7 +511,7 @@
</span><span class="cx">     void startInteractionWithElementAtPosition(const WebCore::IntPoint&amp;);
</span><span class="cx">     void stopInteraction();
</span><span class="cx">     void performActionOnElement(uint32_t action);
</span><del>-    void focusNextAssistedNode(bool isForward);
</del><ins>+    void focusNextAssistedNode(bool isForward, uint64_t callbackID);
</ins><span class="cx">     void setAssistedNodeValue(const String&amp;);
</span><span class="cx">     void setAssistedNodeValueAsNumber(double);
</span><span class="cx">     void setAssistedNodeSelectedIndex(uint32_t index, bool allowMultipleSelection);
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPageWebPagemessagesin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in (177245 => 177246)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in        2014-12-12 23:46:13 UTC (rev 177245)
+++ trunk/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in        2014-12-13 00:00:32 UTC (rev 177246)
</span><span class="lines">@@ -82,7 +82,7 @@
</span><span class="cx">     StartInteractionWithElementAtPosition(WebCore::IntPoint point)
</span><span class="cx">     StopInteraction()
</span><span class="cx">     PerformActionOnElement(uint32_t action)
</span><del>-    FocusNextAssistedNode(bool isForward)
</del><ins>+    FocusNextAssistedNode(bool isForward, uint64_t callbackID)
</ins><span class="cx">     SetAssistedNodeValue(String value)
</span><span class="cx">     SetAssistedNodeValueAsNumber(double value)
</span><span class="cx">     SetAssistedNodeSelectedIndex(uint32_t index, bool allowMultipleSelection)
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPageiosWebPageIOSmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm (177245 => 177246)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm        2014-12-12 23:46:13 UTC (rev 177245)
+++ trunk/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm        2014-12-13 00:00:32 UTC (rev 177246)
</span><span class="lines">@@ -2125,13 +2125,14 @@
</span><span class="cx">     return nextAssistableElement(startNode, page, isForward);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void WebPage::focusNextAssistedNode(bool isForward)
</del><ins>+void WebPage::focusNextAssistedNode(bool isForward, uint64_t callbackID)
</ins><span class="cx"> {
</span><span class="cx">     Element* nextElement = nextAssistableElement(m_assistedNode.get(), *m_page, isForward);
</span><span class="cx">     m_userIsInteracting = true;
</span><span class="cx">     if (nextElement)
</span><span class="cx">         nextElement-&gt;focus();
</span><span class="cx">     m_userIsInteracting = false;
</span><ins>+    send(Messages::WebPageProxy::VoidCallback(callbackID));
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void WebPage::getAssistedNodeInformation(AssistedNodeInformation&amp; information)
</span></span></pre>
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