/* * Copyright (C) 2014 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package android.view; import android.annotation.Nullable; import android.view.ActionMode.Callback; import android.view.WindowManager.LayoutParams; import android.view.accessibility.AccessibilityEvent; import java.util.List; /** * An empty implementation of {@link Window.Callback} that always returns null/false. */ public class WindowCallback implements Window.Callback { @Override public boolean dispatchKeyEvent(KeyEvent event) { return false; } @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) { return false; } @Override public boolean dispatchTouchEvent(MotionEvent event) { return false; } @Override public boolean dispatchTrackballEvent(MotionEvent event) { return false; } @Override public boolean dispatchGenericMotionEvent(MotionEvent event) { return false; } @Override public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { return false; } @Override public View onCreatePanelView(int featureId) { return null; } @Override public boolean onCreatePanelMenu(int featureId, Menu menu) { return false; } @Override public boolean onPreparePanel(int featureId, View view, Menu menu) { return false; } @Override public boolean onMenuOpened(int featureId, Menu menu) { return false; } @Override public boolean onMenuItemSelected(int featureId, MenuItem item) { return false; } @Override public void onWindowAttributesChanged(LayoutParams attrs) { } @Override public void onContentChanged() { } @Override public void onWindowFocusChanged(boolean hasFocus) { } @Override public void onAttachedToWindow() { } @Override public void onDetachedFromWindow() { } @Override public void onPanelClosed(int featureId, Menu menu) { } @Override public boolean onSearchRequested(SearchEvent searchEvent) { return onSearchRequested(); } @Override public boolean onSearchRequested() { return false; } @Override public ActionMode onWindowStartingActionMode(Callback callback) { return null; } @Override public ActionMode onWindowStartingActionMode(Callback callback, int type) { return null; } @Override public void onActionModeStarted(ActionMode mode) { } @Override public void onActionModeFinished(ActionMode mode) { } }