| // 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. |
| |
| #include "sky/shell/ui/input_event_converter.h" |
| |
| #include "base/logging.h" |
| #include "base/time/time.h" |
| #include "sky/engine/public/platform/WebInputEvent.h" |
| |
| namespace sky { |
| namespace { |
| |
| scoped_ptr<blink::WebInputEvent> BuildWebPointerEvent( |
| const InputEventPtr& event, float device_pixel_ratio) { |
| scoped_ptr<blink::WebPointerEvent> web_event(new blink::WebPointerEvent); |
| |
| web_event->timeStampMS = event->time_stamp; |
| |
| switch (event->type) { |
| case EVENT_TYPE_POINTER_DOWN: |
| web_event->type = blink::WebInputEvent::PointerDown; |
| break; |
| case EVENT_TYPE_POINTER_UP: |
| web_event->type = blink::WebInputEvent::PointerUp; |
| break; |
| case EVENT_TYPE_POINTER_MOVE: |
| web_event->type = blink::WebInputEvent::PointerMove; |
| break; |
| case EVENT_TYPE_POINTER_CANCEL: |
| web_event->type = blink::WebInputEvent::PointerCancel; |
| break; |
| default: |
| NOTIMPLEMENTED() << "Received unexpected event: " << event->type; |
| break; |
| } |
| |
| if (event->pointer_data) { |
| if (event->pointer_data->kind == POINTER_KIND_TOUCH) |
| web_event->kind = blink::WebPointerEvent::Touch; |
| web_event->pointer = event->pointer_data->pointer; |
| web_event->x = event->pointer_data->x / device_pixel_ratio; |
| web_event->y = event->pointer_data->y / device_pixel_ratio; |
| web_event->pressure = event->pointer_data->pressure; |
| web_event->pressureMin = event->pointer_data->pressure_min; |
| web_event->pressureMax = event->pointer_data->pressure_max; |
| } |
| |
| return web_event.Pass(); |
| } |
| |
| scoped_ptr<blink::WebInputEvent> BuildWebGestureEvent( |
| const InputEventPtr& event, float device_pixel_ratio) { |
| scoped_ptr<blink::WebGestureEvent> web_event(new blink::WebGestureEvent); |
| |
| web_event->timeStampMS = event->time_stamp; |
| |
| switch (event->type) { |
| case EVENT_TYPE_GESTURE_SCROLL_BEGIN: |
| web_event->type = blink::WebInputEvent::GestureScrollBegin; |
| break; |
| case EVENT_TYPE_GESTURE_SCROLL_END: |
| web_event->type = blink::WebInputEvent::GestureScrollEnd; |
| break; |
| case EVENT_TYPE_GESTURE_SCROLL_UPDATE: |
| web_event->type = blink::WebInputEvent::GestureScrollUpdate; |
| web_event->data.scrollUpdate.deltaX = |
| event->gesture_data->dx / device_pixel_ratio; |
| web_event->data.scrollUpdate.deltaY = |
| event->gesture_data->dy / device_pixel_ratio; |
| break; |
| case EVENT_TYPE_GESTURE_FLING_START: |
| web_event->type = blink::WebInputEvent::GestureFlingStart; |
| web_event->data.flingStart.velocityX = |
| event->gesture_data->velocityX / device_pixel_ratio; |
| web_event->data.flingStart.velocityY = |
| event->gesture_data->velocityY / device_pixel_ratio; |
| break; |
| case EVENT_TYPE_GESTURE_FLING_CANCEL: |
| web_event->type = blink::WebInputEvent::GestureFlingCancel; |
| break; |
| case EVENT_TYPE_GESTURE_LONG_PRESS: |
| web_event->type = blink::WebInputEvent::GestureLongPress; |
| break; |
| case EVENT_TYPE_GESTURE_SHOW_PRESS: |
| web_event->type = blink::WebInputEvent::GestureShowPress; |
| break; |
| case EVENT_TYPE_GESTURE_TAP: |
| web_event->type = blink::WebInputEvent::GestureTap; |
| break; |
| case EVENT_TYPE_GESTURE_TAP_DOWN: |
| web_event->type = blink::WebInputEvent::GestureTapDown; |
| break; |
| default: |
| break; |
| } |
| |
| if (event->gesture_data) { |
| web_event->primaryPointer = event->gesture_data->primary_pointer; |
| web_event->x = event->gesture_data->x / device_pixel_ratio; |
| web_event->y = event->gesture_data->y / device_pixel_ratio; |
| } |
| |
| return web_event.Pass(); |
| } |
| |
| scoped_ptr<blink::WebInputEvent> BuildWebBackEvent(const InputEventPtr& event) { |
| scoped_ptr<blink::WebInputEvent> web_event(blink::WebInputEvent::create()); |
| web_event->type = blink::WebInputEvent::Back; |
| return web_event.Pass(); |
| } |
| |
| } // namespace |
| |
| scoped_ptr<blink::WebInputEvent> ConvertEvent(const InputEventPtr& event, |
| float device_pixel_ratio) { |
| switch (event->type) { |
| case EVENT_TYPE_POINTER_DOWN: |
| case EVENT_TYPE_POINTER_UP: |
| case EVENT_TYPE_POINTER_MOVE: |
| case EVENT_TYPE_POINTER_CANCEL: |
| return BuildWebPointerEvent(event, device_pixel_ratio); |
| case EVENT_TYPE_GESTURE_FLING_CANCEL: |
| case EVENT_TYPE_GESTURE_FLING_START: |
| case EVENT_TYPE_GESTURE_LONG_PRESS: |
| case EVENT_TYPE_GESTURE_SCROLL_BEGIN: |
| case EVENT_TYPE_GESTURE_SCROLL_END: |
| case EVENT_TYPE_GESTURE_SCROLL_UPDATE: |
| case EVENT_TYPE_GESTURE_SHOW_PRESS: |
| case EVENT_TYPE_GESTURE_TAP: |
| case EVENT_TYPE_GESTURE_TAP_DOWN: |
| return BuildWebGestureEvent(event, device_pixel_ratio); |
| case EVENT_TYPE_BACK: |
| return BuildWebBackEvent(event); |
| case EVENT_TYPE_UNKNOWN: |
| NOTIMPLEMENTED() << "ConvertEvent received unexpected EVENT_TYPE_UNKNOWN"; |
| } |
| |
| return scoped_ptr<blink::WebInputEvent>(); |
| } |
| |
| } // namespace mojo |