| // 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/zwp_pointer_gestures.h" |
| |
| #include <pointer-gestures-unstable-v1-server-protocol.h> |
| #include <wayland-server-core.h> |
| #include <wayland-server-protocol-core.h> |
| |
| #include "components/exo/pointer.h" |
| #include "components/exo/pointer_gesture_pinch_delegate.h" |
| #include "components/exo/surface.h" |
| #include "components/exo/wayland/server_util.h" |
| |
| namespace exo { |
| namespace wayland { |
| |
| namespace { |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // pointer_gesture_swipe_v1 interface: |
| |
| void pointer_gestures_get_swipe_gesture(wl_client* client, |
| wl_resource* resource, |
| uint32_t id, |
| wl_resource* pointer_resource) { |
| NOTIMPLEMENTED(); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // pointer_gesture_pinch_v1 interface: |
| |
| class WaylandPointerGesturePinchDelegate : public PointerGesturePinchDelegate { |
| public: |
| WaylandPointerGesturePinchDelegate(wl_resource* resource, Pointer* pointer) |
| : resource_(resource), pointer_(pointer) { |
| pointer_->SetGesturePinchDelegate(this); |
| } |
| |
| ~WaylandPointerGesturePinchDelegate() override { |
| if (pointer_) |
| pointer_->SetGesturePinchDelegate(nullptr); |
| } |
| void OnPointerDestroying(Pointer* pointer) override { pointer_ = nullptr; } |
| void OnPointerPinchBegin(uint32_t unique_touch_event_id, |
| base::TimeTicks time_stamp, |
| Surface* surface) override { |
| wl_resource* surface_resource = GetSurfaceResource(surface); |
| DCHECK(surface_resource); |
| zwp_pointer_gesture_pinch_v1_send_begin(resource_, unique_touch_event_id, |
| TimeTicksToMilliseconds(time_stamp), |
| surface_resource, 2); |
| } |
| void OnPointerPinchUpdate(base::TimeTicks time_stamp, float scale) override { |
| zwp_pointer_gesture_pinch_v1_send_update( |
| resource_, TimeTicksToMilliseconds(time_stamp), 0, 0, |
| wl_fixed_from_double(scale), 0); |
| } |
| void OnPointerPinchEnd(uint32_t unique_touch_event_id, |
| base::TimeTicks time_stamp) override { |
| zwp_pointer_gesture_pinch_v1_send_end(resource_, unique_touch_event_id, |
| TimeTicksToMilliseconds(time_stamp), |
| 0); |
| } |
| |
| private: |
| wl_resource* const resource_; |
| Pointer* pointer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WaylandPointerGesturePinchDelegate); |
| }; |
| |
| void pointer_gesture_pinch_destroy(wl_client* client, wl_resource* resource) { |
| wl_resource_destroy(resource); |
| } |
| |
| const struct zwp_pointer_gesture_pinch_v1_interface |
| pointer_gesture_pinch_implementation = {pointer_gesture_pinch_destroy}; |
| |
| void pointer_gestures_get_pinch_gesture(wl_client* client, |
| wl_resource* resource, |
| uint32_t id, |
| wl_resource* pointer_resource) { |
| Pointer* pointer = GetUserDataAs<Pointer>(pointer_resource); |
| wl_resource* pointer_gesture_pinch_resource = wl_resource_create( |
| client, &zwp_pointer_gesture_pinch_v1_interface, 1, id); |
| SetImplementation(pointer_gesture_pinch_resource, |
| &pointer_gesture_pinch_implementation, |
| std::make_unique<WaylandPointerGesturePinchDelegate>( |
| pointer_gesture_pinch_resource, pointer)); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // pointer_gestures_v1 interface: |
| |
| const struct zwp_pointer_gestures_v1_interface pointer_gestures_implementation = |
| {pointer_gestures_get_swipe_gesture, pointer_gestures_get_pinch_gesture}; |
| |
| } // namespace |
| |
| void bind_pointer_gestures(wl_client* client, |
| void* data, |
| uint32_t version, |
| uint32_t id) { |
| wl_resource* resource = wl_resource_create( |
| client, &zwp_pointer_gestures_v1_interface, version, id); |
| wl_resource_set_implementation(resource, &pointer_gestures_implementation, |
| data, nullptr); |
| } |
| |
| } // namespace wayland |
| } // namespace exo |