Make WebView keep keyboard when losing focus

content/public/android/javatests/src/org/chromium/content/browser/ContentViewCoreFocusTest.java

-// Copyright 2014 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;
-
-import android.content.Context;
-import android.os.IBinder;
-import android.os.ResultReceiver;
-import android.test.UiThreadTest;
-import android.test.suitebuilder.annotation.SmallTest;
-import android.view.View;
-import android.widget.EditText;
-
-import org.chromium.content.browser.input.InputMethodManagerWrapper;
-import org.chromium.content_shell.R;
-import org.chromium.content_shell_apk.ContentShellTestBase;
-
-/**
- * Test that content view core responds to focus changes correctly.
- */
-public class ContentViewCoreFocusTest extends ContentShellTestBase {
-    private static class TestInputMethodManagerWrapper extends InputMethodManagerWrapper {
-        private boolean mHidden = false;
-        public TestInputMethodManagerWrapper(Context context) {
-            super(context);
-        }
-
-        @Override
-        public void showSoftInput(View view, int flags, ResultReceiver resultReceiver) {
-            mHidden = false;
-        }
-
-        @Override
-        public boolean hideSoftInputFromWindow(IBinder windowToken, int flags,
-                ResultReceiver resultReceiver) {
-            mHidden = true;
-            return true;
-        }
-
-        @Override
-        public boolean isActive(View view) {
-            return true;
-        }
-
-        public boolean isHidden() {
-            return mHidden;
-        }
-    }
-
-    @UiThreadTest
-    @RerunWithUpdatedContainerView
-    @SmallTest
-    public void testHideImeOnLosingFocus() throws Throwable {
-        // Test the IME window is hidden from the content view when the content
-        // view loses its focus
-        final ContentViewCore contentViewCore = getContentViewCore();
-        final View view = contentViewCore.getContainerView();
-        assertTrue(view.requestFocus());
-
-        final TestInputMethodManagerWrapper immw = new TestInputMethodManagerWrapper(getActivity());
-        contentViewCore.getImeAdapterForTest().setInputMethodManagerWrapperForTest(immw);
-
-        immw.showSoftInput(view, 0, null);
-        assertFalse(immw.isHidden());
-
-        final EditText urlBox = (EditText) getActivity().findViewById(R.id.url);
-
-        assertTrue(urlBox.requestFocus());
-
-        // Now another view has taken focus. The original view loses its focus
-        // and the input method window should be hidden
-        assertTrue(immw.isHidden());
-    }
-}