[Android] Adding Smart GO/NEXT feature in Chrome

content/public/android/javatests/src/org/chromium/content/browser/input/ImeTest.java

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.content.browser.input;
 
 import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.Context;
 import android.content.res.Configuration;
@@ skipping 13 matching lines @@
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.test.util.Feature;
 import org.chromium.base.test.util.UrlUtils;
 import org.chromium.content.browser.test.ContentJUnit4ClassRunner;
 import org.chromium.content.browser.test.util.Criteria;
 import org.chromium.content.browser.test.util.CriteriaHelper;
 import org.chromium.content.browser.test.util.DOMUtils;
 import org.chromium.content.browser.test.util.JavaScriptUtils;
 import org.chromium.ui.base.ime.TextInputType;
 
+import java.util.ArrayList;
 import java.util.concurrent.Callable;
 
 /**
  * IME (input method editor) and text input tests.
  */
 @RunWith(ContentJUnit4ClassRunner.class)
 public class ImeTest {
     @Rule
     public ImeActivityTestRule mRule = new ImeActivityTestRule();
 
@@ skipping 370 matching lines @@
         mRule.commitText("hello", 1);
         mRule.waitAndVerifyUpdateSelection(0, 5, 5, -1, -1);
         mRule.restartInput();
         DOMUtils.clickNode(mRule.getContentViewCore(), "input_text");
         mRule.assertWaitForKeyboardStatus(true);
 
         Assert.assertEquals(5, mRule.getConnectionFactory().getOutAttrs().initialSelStart);
         Assert.assertEquals(5, mRule.getConnectionFactory().getOutAttrs().initialSelEnd);
     }
 
+    private static int getImeAction(EditorInfo editorInfo) {
+        return editorInfo.imeOptions & EditorInfo.IME_MASK_ACTION;
+    }
+
+    @Test
+    @SmallTest
+    @Feature({"TextInput", "Main"})
+    public void testAdvanceFocusNextAndPrevious() throws Exception {
+        mRule.focusElement("textarea");
+        // Forward direction focus. Excessive focus advance should be ignored.
+        for (int i = 0; i < 10; ++i) {
+            // Forward direction focus.
+            mRule.performEditorAction(EditorInfo.IME_ACTION_NEXT);
+        }
+        mRule.waitForKeyboardStates(7, 0, 7,
+                new Integer[] {TextInputType.TEXT_AREA, TextInputType.TEXT_AREA,
+                        TextInputType.NUMBER, TextInputType.NUMBER, TextInputType.CONTENT_EDITABLE,
+                        TextInputType.SEARCH, TextInputType.TEXT});
+        ArrayList<EditorInfo> editorInfoList =
+                mRule.getInputMethodManagerWrapper().getEditorInfoList();
+        Assert.assertEquals(7, editorInfoList.size());
+        // textarea.
+        Assert.assertEquals(EditorInfo.IME_ACTION_NONE, getImeAction(editorInfoList.get(0)));
+        // textarea2.
+        Assert.assertEquals(EditorInfo.IME_ACTION_NONE, getImeAction(editorInfoList.get(1)));
+        // input_number1.
+        Assert.assertEquals(EditorInfo.IME_ACTION_NEXT, getImeAction(editorInfoList.get(2)));
+        // input_number2.
+        Assert.assertEquals(EditorInfo.IME_ACTION_NEXT, getImeAction(editorInfoList.get(3)));
+        // content_editable1.
+        Assert.assertEquals(EditorInfo.IME_ACTION_NONE, getImeAction(editorInfoList.get(4)));
+        // search1.
+        Assert.assertEquals(EditorInfo.IME_ACTION_SEARCH, getImeAction(editorInfoList.get(5)));
+        // input_text1.
+        Assert.assertEquals(EditorInfo.IME_ACTION_GO, getImeAction(editorInfoList.get(6)));
+
+        mRule.resetAllStates();
+
+        // Backward direction focus. Excessive focus advance should be ignored.
+        for (int i = 0; i < 10; ++i) {
+            // Backward direction focus.
+            mRule.performEditorAction(EditorInfo.IME_ACTION_PREVIOUS);
+        }
+        mRule.waitForKeyboardStates(6, 0, 6,
+                new Integer[] {TextInputType.SEARCH, TextInputType.CONTENT_EDITABLE,
+                        TextInputType.NUMBER, TextInputType.NUMBER, TextInputType.TEXT_AREA,
+                        TextInputType.TEXT_AREA});
+        editorInfoList = mRule.getInputMethodManagerWrapper().getEditorInfoList();
+        Assert.assertEquals(6, editorInfoList.size());
+        // search1.
+        Assert.assertEquals(EditorInfo.IME_ACTION_SEARCH, getImeAction(editorInfoList.get(0)));
+        // content_editable1.
+        Assert.assertEquals(EditorInfo.IME_ACTION_NONE, getImeAction(editorInfoList.get(1)));
+        // input_number2.
+        Assert.assertEquals(EditorInfo.IME_ACTION_NEXT, getImeAction(editorInfoList.get(2)));
+        // input_number1.
+        Assert.assertEquals(EditorInfo.IME_ACTION_NEXT, getImeAction(editorInfoList.get(3)));
+        // textarea2.
+        Assert.assertEquals(EditorInfo.IME_ACTION_NONE, getImeAction(editorInfoList.get(4)));
+        // textarea.
+        Assert.assertEquals(EditorInfo.IME_ACTION_NONE, getImeAction(editorInfoList.get(5)));
+    }
+
     @Test
     @SmallTest
     @Feature({"TextInput"})
     public void testShowAndHideSoftInput() throws Exception {
         mRule.focusElement("input_radio", false);
 
         // hideSoftKeyboard(), mRule.restartInput()
         mRule.waitForKeyboardStates(0, 1, 1, new Integer[] {});
 
         // When input connection is null, we still need to set flags to prevent InputMethodService
@@ skipping 1066 matching lines @@
         });
         Assert.assertEquals("abc", mRule.runBlockingOnImeThread(new Callable<CharSequence>() {
             @Override
             public CharSequence call() throws Exception {
                 return connection.getTextBeforeCursor(5, 0);
             }
         }));
     }
 
 }