| // 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. |
| |
| #ifndef COMPONENTS_EXO_WAYLAND_SERVER_UTIL_H_ |
| #define COMPONENTS_EXO_WAYLAND_SERVER_UTIL_H_ |
| |
| #include <wayland-server-core.h> |
| #include <wayland-server-protocol-core.h> |
| #include <memory> |
| |
| #include "base/memory/ptr_util.h" |
| #include "base/time/time.h" |
| #include "components/exo/surface.h" |
| #include "ui/base/class_property.h" |
| |
| struct wl_resource; |
| |
| namespace exo { |
| |
| class Capabilities; |
| class DataOffer; |
| |
| namespace wayland { |
| |
| template <class T> |
| T* GetUserDataAs(wl_resource* resource) { |
| return static_cast<T*>(wl_resource_get_user_data(resource)); |
| } |
| |
| template <class T> |
| std::unique_ptr<T> TakeUserDataAs(wl_resource* resource) { |
| std::unique_ptr<T> user_data = base::WrapUnique(GetUserDataAs<T>(resource)); |
| wl_resource_set_user_data(resource, nullptr); |
| return user_data; |
| } |
| |
| template <class T> |
| void DestroyUserData(wl_resource* resource) { |
| TakeUserDataAs<T>(resource); |
| } |
| |
| template <class T> |
| void SetImplementation(wl_resource* resource, |
| const void* implementation, |
| std::unique_ptr<T> user_data) { |
| wl_resource_set_implementation(resource, implementation, user_data.release(), |
| DestroyUserData<T>); |
| } |
| |
| // Convert a timestamp to a time value that can be used when interfacing |
| // with wayland. Note that we cast a int64_t value to uint32_t which can |
| // potentially overflow. |
| uint32_t TimeTicksToMilliseconds(base::TimeTicks ticks); |
| uint32_t NowInMilliseconds(); |
| |
| wl_resource* GetSurfaceResource(Surface* surface); |
| void SetSurfaceResource(Surface* surface, wl_resource* resource); |
| |
| wl_resource* GetDataOfferResource(const DataOffer* data_offer); |
| void SetDataOfferResource(DataOffer* data_offer, |
| wl_resource* data_offer_resource); |
| |
| // Associates the given |display| with its |capabilities|. |
| void SetCapabilities(wl_display* display, Capabilities* capabilities); |
| |
| // Clears the capability association for |display|. |
| void RemoveCapabilities(wl_display* display); |
| |
| // Returns the associated capabilities for this |display|. |
| Capabilities* GetCapabilities(wl_display* display); |
| |
| // Returns the associated capabilities for the display this |client| is |
| // connected to. |
| Capabilities* GetCapabilities(wl_client* client); |
| |
| } // namespace wayland |
| } // namespace exo |
| |
| #endif // COMPONENTS_EXO_WAYLAND_SERVER_UTIL_H_ |