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d842eb9500
The touch demo needs some basic smoothing, right now it looks rather jittery after this change. But the pressure code is definitely working! R=abarth@chromium.org BUG= Review URL: https://codereview.chromium.org/970493003
118 lines
3.9 KiB
C++
118 lines
3.9 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "sky/shell/ui/input_event_converter.h"
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#include "base/logging.h"
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#include "base/time/time.h"
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#include "sky/engine/public/platform/WebInputEvent.h"
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namespace sky {
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namespace {
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scoped_ptr<blink::WebInputEvent> BuildWebPointerEvent(
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const InputEventPtr& event, float device_pixel_ratio) {
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scoped_ptr<blink::WebPointerEvent> web_event(new blink::WebPointerEvent);
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web_event->timeStampMS = event->time_stamp;
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switch (event->type) {
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case EVENT_TYPE_POINTER_DOWN:
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web_event->type = blink::WebInputEvent::PointerDown;
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break;
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case EVENT_TYPE_POINTER_UP:
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web_event->type = blink::WebInputEvent::PointerUp;
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break;
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case EVENT_TYPE_POINTER_MOVE:
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web_event->type = blink::WebInputEvent::PointerMove;
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break;
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case EVENT_TYPE_POINTER_CANCEL:
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web_event->type = blink::WebInputEvent::PointerCancel;
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break;
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default:
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NOTIMPLEMENTED() << "Received unexpected event: " << event->type;
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break;
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}
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if (event->pointer_data) {
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if (event->pointer_data->kind == POINTER_KIND_TOUCH)
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web_event->kind = blink::WebPointerEvent::Touch;
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web_event->pointer = event->pointer_data->pointer;
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web_event->x = event->pointer_data->x / device_pixel_ratio;
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web_event->y = event->pointer_data->y / device_pixel_ratio;
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web_event->pressure = event->pointer_data->pressure;
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web_event->pressureMin = event->pointer_data->pressure_min;
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web_event->pressureMax = event->pointer_data->pressure_max;
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}
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return web_event.Pass();
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}
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scoped_ptr<blink::WebInputEvent> BuildWebGestureEvent(
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const InputEventPtr& event, float device_pixel_ratio) {
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scoped_ptr<blink::WebGestureEvent> web_event(new blink::WebGestureEvent);
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web_event->timeStampMS = event->time_stamp;
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switch (event->type) {
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case EVENT_TYPE_GESTURE_SCROLL_BEGIN:
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web_event->type = blink::WebInputEvent::GestureScrollBegin;
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break;
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case EVENT_TYPE_GESTURE_SCROLL_END:
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web_event->type = blink::WebInputEvent::GestureScrollEnd;
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break;
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case EVENT_TYPE_GESTURE_SCROLL_UPDATE:
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web_event->type = blink::WebInputEvent::GestureScrollUpdate;
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web_event->data.scrollUpdate.deltaX =
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event->gesture_data->dx / device_pixel_ratio;
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web_event->data.scrollUpdate.deltaY =
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event->gesture_data->dy / device_pixel_ratio;
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break;
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case EVENT_TYPE_GESTURE_FLING_START:
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web_event->type = blink::WebInputEvent::GestureFlingStart;
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web_event->data.flingStart.velocityX =
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event->gesture_data->velocityX / device_pixel_ratio;
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web_event->data.flingStart.velocityY =
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event->gesture_data->velocityY / device_pixel_ratio;
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break;
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case EVENT_TYPE_GESTURE_FLING_CANCEL:
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web_event->type = blink::WebInputEvent::GestureFlingCancel;
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break;
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default:
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break;
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}
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if (event->gesture_data) {
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web_event->x = event->gesture_data->x / device_pixel_ratio;
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web_event->y = event->gesture_data->y / device_pixel_ratio;
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}
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return web_event.Pass();
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}
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} // namespace
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scoped_ptr<blink::WebInputEvent> ConvertEvent(const InputEventPtr& event,
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float device_pixel_ratio) {
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switch (event->type) {
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case EVENT_TYPE_POINTER_DOWN:
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case EVENT_TYPE_POINTER_UP:
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case EVENT_TYPE_POINTER_MOVE:
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case EVENT_TYPE_POINTER_CANCEL:
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return BuildWebPointerEvent(event, device_pixel_ratio);
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case EVENT_TYPE_GESTURE_SCROLL_BEGIN:
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case EVENT_TYPE_GESTURE_SCROLL_UPDATE:
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case EVENT_TYPE_GESTURE_SCROLL_END:
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case EVENT_TYPE_GESTURE_FLING_START:
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case EVENT_TYPE_GESTURE_FLING_CANCEL:
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return BuildWebGestureEvent(event, device_pixel_ratio);
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case EVENT_TYPE_UNKNOWN:
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NOTIMPLEMENTED() << "ConvertEvent received unexpected EVENT_TYPE_UNKNOWN";
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}
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return scoped_ptr<blink::WebInputEvent>();
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}
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} // namespace mojo
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