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PointerEventSupportImpl.java 1.3KB

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  1. /*
  2. * Copyright 2000-2014 Vaadin Ltd.
  3. *
  4. * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  5. * use this file except in compliance with the License. You may obtain a copy of
  6. * the License at
  7. *
  8. * http://www.apache.org/licenses/LICENSE-2.0
  9. *
  10. * Unless required by applicable law or agreed to in writing, software
  11. * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  12. * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  13. * License for the specific language governing permissions and limitations under
  14. * the License.
  15. */
  16. package com.vaadin.client.event;
  17. import com.vaadin.client.event.PointerEvent.EventType;
  18. /**
  19. * Main pointer event support implementation class. Made for browser without
  20. * pointer event support.
  21. *
  22. * @since 7.2
  23. * @author Vaadin Ltd
  24. */
  25. public class PointerEventSupportImpl {
  26. /**
  27. * @return true if the pointer events are supported, false otherwise
  28. */
  29. protected boolean isSupported() {
  30. return false;
  31. }
  32. /**
  33. * @param events
  34. * @return the native event name of the given event
  35. */
  36. public String getNativeEventName(EventType eventName) {
  37. return eventName.toString().toLowerCase();
  38. }
  39. /**
  40. * Initializes event support
  41. */
  42. protected void init() {
  43. }
  44. }