Let WebViewImpl::textInputInfo() query the focused element when selection is empty

Source/web/tests/WebViewTest.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 216 matching lines @@
                         int expectedWidth, int expectedHeight,
                         HorizontalScrollbarState expectedHorizontalState, VerticalScrollbarState expectedVerticalState);
 
     void testTextInputType(WebTextInputType expectedType, const std::string& htmlFile);
     void testInputMode(const WebString& expectedInputMode, const std::string& htmlFile);
 
     std::string m_baseURL;
     FrameTestHelpers::WebViewHelper m_webViewHelper;
 };
 
+class FocusedNodeChangedObserverWebViewClient : public WebViewClient {
+public:
+    void setWebView(WebView* webView) { m_webView = webView; }
+    WebTextInputInfo textInputInfoOnFocusedNodeChanged() const { return m_textInputInfoOnFocusedNodeChanged; }
+private:
+    void focusedNodeChanged(const WebNode&) OVERRIDE { m_textInputInfoOnFocusedNodeChanged = m_webView->textInputInfo(); }
+
+    WebView* m_webView;
+    WebTextInputInfo m_textInputInfoOnFocusedNodeChanged;
+};
+
 TEST_F(WebViewTest, SetBaseBackgroundColor)
 {
     const WebColor kWhite    = 0xFFFFFFFF;
     const WebColor kBlue     = 0xFF0000FF;
     const WebColor kDarkCyan = 0xFF227788;
     const WebColor kTranslucentPutty = 0x80BFB196;
 
     WebView* webView = m_webViewHelper.initialize();
     EXPECT_EQ(kWhite, webView->backgroundColor());
 
@@ skipping 300 matching lines @@
     EXPECT_EQ(8, info.compositionEnd);
 
     webView->confirmComposition(WebWidget::DoNotKeepSelection);
     info = webView->textInputInfo();
     EXPECT_EQ(8, info.selectionStart);
     EXPECT_EQ(8, info.selectionEnd);
     EXPECT_EQ(-1, info.compositionStart);
     EXPECT_EQ(-1, info.compositionEnd);
 }
 
+TEST_F(WebViewTest, TextInputInfoOnInputFocused)
+{
+    URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(m_baseURL.c_str()), WebString::fromUTF8("input_field_focused.html"));
+    FocusedNodeChangedObserverWebViewClient client;
+    WebView* webView = m_webViewHelper.initialize(true, 0, &client);
+    client.setWebView(webView);
+
+    WebCore::KURL url = toKURL(m_baseURL + "input_field_focused.html");
+    webView->mainFrame()->loadRequest(WebURLRequest(WebURL(url)));
+    Platform::current()->unitTestSupport()->serveAsynchronousMockedRequests();
+
+    WebTextInputInfo info = client.textInputInfoOnFocusedNodeChanged();
+    EXPECT_EQ(WebTextInputTypeText, info.type);
+}
+
 TEST_F(WebViewTest, InsertNewLinePlacementAfterConfirmComposition)
 {
     URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(m_baseURL.c_str()), WebString::fromUTF8("text_area_populated.html"));
     WebView* webView = m_webViewHelper.initializeAndLoad(m_baseURL + "text_area_populated.html");
     webView->setInitialFocus(false);
 
     WebVector<WebCompositionUnderline> emptyUnderlines;
 
     webView->setEditableSelectionOffsets(4, 4);
     webView->setCompositionFromExistingText(8, 12, emptyUnderlines);
@@ skipping 776 matching lines @@
     EXPECT_STREQ("1970-W01", inputElement->value().utf8().data());
 
     openDateTimeChooser(webViewImpl, inputElement);
     client.chooserCompletion()->didChooseValue(std::numeric_limits<double>::quiet_NaN());
     client.clearChooserCompletion();
     EXPECT_STREQ("", inputElement->value().utf8().data());
 }
 #endif
 
 }