blob: 040e8efddefc59fb3749b7b20321f4c1adb47d0a [file] [log] [blame]
// Copyright 2018 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 "components/exo/wayland/wayland_touch_delegate.h"
#include <wayland-server-core.h>
#include <wayland-server-protocol-core.h>
#include "components/exo/touch.h"
#include "components/exo/wayland/serial_tracker.h"
#include "components/exo/wayland/server_util.h"
namespace exo {
namespace wayland {
WaylandTouchDelegate::WaylandTouchDelegate(wl_resource* touch_resource,
SerialTracker* serial_tracker)
: touch_resource_(touch_resource), serial_tracker_(serial_tracker) {}
void WaylandTouchDelegate::OnTouchDestroying(Touch* touch) {
delete this;
}
bool WaylandTouchDelegate::CanAcceptTouchEventsForSurface(
Surface* surface) const {
wl_resource* surface_resource = GetSurfaceResource(surface);
// We can accept events for this surface if the client is the same as the
// touch resource.
return surface_resource &&
wl_resource_get_client(surface_resource) == client();
}
void WaylandTouchDelegate::OnTouchDown(Surface* surface,
base::TimeTicks time_stamp,
int id,
const gfx::PointF& location) {
wl_resource* surface_resource = GetSurfaceResource(surface);
DCHECK(surface_resource);
SendTimestamp(time_stamp);
wl_touch_send_down(
touch_resource_,
serial_tracker_->GetNextSerial(SerialTracker::EventType::TOUCH_DOWN),
TimeTicksToMilliseconds(time_stamp), surface_resource, id,
wl_fixed_from_double(location.x()), wl_fixed_from_double(location.y()));
}
void WaylandTouchDelegate::OnTouchUp(base::TimeTicks time_stamp, int id) {
SendTimestamp(time_stamp);
wl_touch_send_up(
touch_resource_,
serial_tracker_->GetNextSerial(SerialTracker::EventType::TOUCH_UP),
TimeTicksToMilliseconds(time_stamp), id);
}
void WaylandTouchDelegate::OnTouchMotion(base::TimeTicks time_stamp,
int id,
const gfx::PointF& location) {
SendTimestamp(time_stamp);
wl_touch_send_motion(touch_resource_, TimeTicksToMilliseconds(time_stamp), id,
wl_fixed_from_double(location.x()),
wl_fixed_from_double(location.y()));
}
void WaylandTouchDelegate::OnTouchShape(int id, float major, float minor) {
if (wl_resource_get_version(touch_resource_) >=
WL_TOUCH_SHAPE_SINCE_VERSION) {
wl_touch_send_shape(touch_resource_, id, wl_fixed_from_double(major),
wl_fixed_from_double(minor));
}
}
void WaylandTouchDelegate::OnTouchFrame() {
if (wl_resource_get_version(touch_resource_) >=
WL_TOUCH_FRAME_SINCE_VERSION) {
wl_touch_send_frame(touch_resource_);
}
wl_client_flush(client());
}
void WaylandTouchDelegate::OnTouchCancel() {
wl_touch_send_cancel(touch_resource_);
serial_tracker_->ResetTouchDownSerial();
}
wl_client* WaylandTouchDelegate::client() const {
return wl_resource_get_client(touch_resource_);
}
} // namespace wayland
} // namespace exo