| // The functions in this file require gesture-util.js |
| |
| function scroll(direction, source_device, precise_scrolling_delta) { |
| return smoothScroll(800 /*pixels to scroll*/, x, y, source_device, direction, |
| 2000 /*pixels per sec*/, precise_scrolling_delta); |
| } |
| |
| function scrollLeft(source_device, precise_scrolling_delta) { |
| if (source_device == GestureSourceType.MOUSE_INPUT) |
| return scroll("left", source_device, precise_scrolling_delta); |
| return scroll("left", source_device); |
| } |
| |
| function scrollUp(source_device, precise_scrolling_delta) { |
| if (source_device == GestureSourceType.MOUSE_INPUT) |
| return scroll("up", source_device, precise_scrolling_delta); |
| return scroll("up", source_device); |
| } |
| function scrollUp(source_device, precise_scrolling_delta) { |
| if (source_device == GestureSourceType.MOUSE_INPUT) |
| return scroll("up", source_device, precise_scrolling_delta); |
| return scroll("up", source_device); |
| } |
| function scrollRight(source_device, precise_scrolling_delta) { |
| if (source_device == GestureSourceType.MOUSE_INPUT) |
| return scroll("right", source_device, precise_scrolling_delta); |
| return scroll("right", source_device); |
| } |
| |
| function scrollDown(source_device, precise_scrolling_delta) { |
| if (source_device == GestureSourceType.MOUSE_INPUT) |
| return scroll("down", source_device, precise_scrolling_delta); |
| return scroll("down", source_device); |
| } |
