Package com.google.gwt.dom.client

Examples of com.google.gwt.dom.client.Touch

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  @Override
  public void onTouchMove(TouchMoveEvent event) {
    switch (state) {
      case TWO_FINGER:

        Touch touch1 = event.getTouches().get(0);
        Touch touch2 = event.getTouches().get(1);

        int left = offsetProvider.getLeft();
        int top = offsetProvider.getTop();

        int x1 = touch1.getPageX() - left;
        int y1 = touch1.getPageY() - top;
        int x2 = touch2.getPageX() - left;
        int y2 = touch2.getPageY() - top;

        double newDistance = Math.sqrt(Math.pow(x1 - x2, 2) + Math.pow(y1 - y2, 2));
        int x = (x1 + x2) / 2;
        int y = (y1 + y2) / 2;
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      case FINGERS_DOWN:
      case FINGERS_UP:
        // compare positions
        JsArray<Touch> currentTouches = event.getTouches();
        for (int i = 0; i < currentTouches.length(); i++) {
          Touch currentTouch = currentTouches.get(i);
          for (int j = 0; j < startPositions.length(); j++) {
            TouchCopy startTouch = startPositions.get(j);
            if (currentTouch.getIdentifier() == startTouch.getIdentifier()) {
              if (Math.abs(currentTouch.getPageX() - startTouch.getPageX()) > distance || Math.abs(currentTouch.getPageY() - startTouch.getPageY()) > distance) {
                state = State.INVALID;
                break;
              }
            }
            if (state == State.INVALID) {
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    }
  }

  @Override
  public void onTouchMove(TouchMoveEvent event) {
    Touch touch = event.getTouches().get(0);

    switch (state) {
      case INVALID:

        break;
      case READY:
        // WTF?
        state = State.INVALID;
        break;
      case FINDER_DOWN:

        // log(" X: " + touch.getPageX() + " old: " + touchStart.getPageX() + " test: " + x);

        if (Math.abs(touch.getPageX() - x) >= threshold) {
          state = State.FOUND_DIRECTION;

          direction = touch.getPageX() - x > 0 ? DIRECTION.LEFT_TO_RIGHT : DIRECTION.RIGHT_TO_LEFT;

          SwipeStartEvent swipeStartEvent =
              new SwipeStartEvent(TouchCopy.copy(touch), touch.getPageX() - x, direction);

          getEventPropagator().fireEvent(source, swipeStartEvent);

        } else {
          if (Math.abs(touch.getPageY() - y) >= threshold) {
            state = State.FOUND_DIRECTION;

            direction = touch.getPageY() - y > 0 ? DIRECTION.TOP_TO_BOTTOM : DIRECTION.BOTTOM_TO_TOP;

            SwipeStartEvent swipeStartEvent =
                new SwipeStartEvent(TouchCopy.copy(touch), touch.getPageY() - y, direction);

            getEventPropagator().fireEvent(source, swipeStartEvent);

          }

        }
        break;

      case FOUND_DIRECTION:

        switch (direction) {
          case TOP_TO_BOTTOM:
          case BOTTOM_TO_TOP:
            lastDistance = Math.abs(touch.getPageY() - y);
            getEventPropagator().fireEvent(
                source,
                new SwipeMoveEvent(TouchCopy.copy(touch), lastDistance > minDistance,
                    lastDistance, direction));
            break;

          case LEFT_TO_RIGHT:
          case RIGHT_TO_LEFT:
            lastDistance = Math.abs(touch.getPageX() - x);
            getEventPropagator().fireEvent(
                source,
                new SwipeMoveEvent(TouchCopy.copy(touch), lastDistance > minDistance,
                    lastDistance, direction));
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      case FINGERS_GOING_DOWN:
      case FINGERS_GOING_UP:
        // compare positions
        JsArray<Touch> currentTouches = event.getTouches();
        for (int i = 0; i < currentTouches.length(); i++) {
          Touch currentTouch = currentTouches.get(i);
          for (int j = 0; j < touches.length(); j++) {
            TouchCopy startTouch = touches.get(j);
            if (currentTouch.getIdentifier() == startTouch.getIdentifier()) {
              if (Math.abs(currentTouch.getPageX() - startTouch.getPageX()) > distance || Math.abs(currentTouch.getPageY() - startTouch.getPageY()) > distance) {
                state = State.INVALID;
                break;
              }
            }
            if (state == State.INVALID) {
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                        }

                        break;
                    case Event.ONTOUCHSTART:
                        touchStart = event;
                        Touch touch = event.getChangedTouches().get(0);
                        // save position to fields, touches in events are same
                        // isntance during the operation.
                        touchStartX = touch.getClientX();
                        touchStartY = touch.getClientY();
                        /*
                         * Prevent simulated mouse events.
                         */
                        touchStart.preventDefault();
                        if (dragmode != 0 || actionKeys != null) {
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                }
                /*
                 * TODO calculate based on real distance instead of separate
                 * axis checks
                 */
                Touch touch = event.getChangedTouches().get(0);
                if (Math.abs(touch.getClientX() - touchStartX) > TouchScrollDelegate.SIGNIFICANT_MOVE_THRESHOLD) {
                    return true;
                }
                if (Math.abs(touch.getClientY() - touchStartY) > TouchScrollDelegate.SIGNIFICANT_MOVE_THRESHOLD) {
                    return true;
                }
                return false;
            }
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    }

    @Override
    public void onTouchMove(TouchMoveEvent event) {
      Touch touch = event.getTouches().get(0);
      if (Math.abs(touch.getPageX() - x) > Tap.RADIUS
          || Math.abs(touch.getPageY() - y) > Tap.RADIUS) {
        moved = true;
        // deselect
        if (node != null) {
          node.removeClassName(CellList.this.appearance.css().selected());
          stopTimer();
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      if (isReadOnly()) {
        return;
      }
      event.stopPropagation();
      event.preventDefault();
      Touch touch = event.getTouches().get(0);
      now_x = touch.getPageX();

      if (!moved) {
        if (Math.abs(now_x - x_start) < DRAG_DEADZONE) {
          return;
        }
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      event.preventDefault();
      if (MGWT.getFormFactor().isDesktop()) {
        DOM.setCapture(getElement());
      }

      Touch touch = event.getTouches().get(0);
      x_start = touch.getPageX();
      moved = false;
      if (value) {
        x_min = -CONTAINER_WIDTH;
        x_max = 0;
        offset = 0;
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        if (!isEnabled())
          return;

        if (ignore)
          return;
        Touch touch = event.getTouches().get(0);
        last_x = touch.getPageX();
        last_y = touch.getPageY();

      }

      @Override
      public void onTouchStart(TouchStartEvent event) {
        if (!isEnabled())
          return;
        ignore = inputRadio.isChecked();

        if (ignore)
          return;

        Touch touch = event.getTouches().get(0);
        start_x = touch.getPageX();
        start_y = touch.getPageY();
        last_x = start_x;
        last_y = start_y;

        EventTarget eventTarget = event.getNativeEvent().getEventTarget();
        labelOrContainer = true;
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  • com.google.gwt.touch.client.TouchScroller
  • com.googlecode.mgwt.dom.client.recognizer.longtap.LongTapRecognizer
  • com.googlecode.mgwt.dom.client.recognizer.pinch.PinchRecognizer
  • com.googlecode.mgwt.dom.client.recognizer.swipe.SwipeRecognizer
  • com.googlecode.mgwt.dom.client.recognizer.tap.MultiTapRecognizer
  • com.googlecode.mgwt.dom.client.recognizer.TapRecognizer
  • com.googlecode.mgwt.helper.TouchTestUtil
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