/* * Copyright (c) 2017 TOYOTA MOTOR CORPORATION * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef WM_WAYLAND_HPP #define WM_WAYLAND_HPP #include "controller_hooks.hpp" #include "ivi-controller-client-protocol.h" #include "util.hpp" #include <functional> #include <memory> #include <unordered_map> #include <vector> /** * @struct wayland_proxy */ template <typename ProxyT> struct wayland_proxy { std::unique_ptr<ProxyT, std::function<void(ProxyT *)>> proxy; wayland_proxy(wayland_proxy const &) = delete; wayland_proxy &operator=(wayland_proxy const &) = delete; wayland_proxy(void *p) : wayland_proxy(p, reinterpret_cast<void (*)(ProxyT *)>(wl_proxy_destroy)) {} wayland_proxy(void *p, std::function<void(ProxyT *)> &&p_del) : proxy(std::unique_ptr<ProxyT, std::function<void(ProxyT *)>>( static_cast<ProxyT *>(p), p_del)) {} }; /** * namespace wl */ namespace wl { /** * @struct registry */ struct registry : public wayland_proxy<struct wl_registry> { typedef std::function<void(struct wl_registry *, uint32_t, uint32_t)> binder; std::unordered_map<std::string, binder> bindings; registry(registry const &) = delete; registry &operator=(registry const &) = delete; registry(struct wl_display *d); void add_global_handler(char const *iface, binder bind); // Events void global(uint32_t name, char const *iface, uint32_t v); void global_remove(uint32_t name); }; /** * @struct display */ struct display { std::unique_ptr<struct wl_display, void (*)(struct wl_display *)> d; struct registry r; display(display const &) = delete; display &operator=(display const &) = delete; display(); bool ok() const; void roundtrip(); int dispatch(); int dispatch_pending(); int read_events(); void flush(); int get_fd() const; int get_error(); // Lets just proxy this for the registry inline void add_global_handler(char const *iface, registry::binder bind) { this->r.add_global_handler(iface, bind); } }; /** * @struct output */ struct output : wayland_proxy<struct wl_output> { int width{}; int height{}; int refresh{}; int transform{}; output(output const &) = delete; output &operator=(output const &) = delete; output(struct wl_registry *r, uint32_t name, uint32_t v); // Events void geometry(int32_t x, int32_t y, int32_t pw, int32_t ph, int32_t subpel, char const *make, char const *model, int32_t tx); void mode(uint32_t flags, int32_t w, int32_t h, int32_t r); void done(); void scale(int32_t factor); }; } // namespace wl /** * namespace compositor */ namespace compositor { struct size { uint32_t w, h; }; struct rect { int32_t w, h; int32_t x, y; }; static const constexpr rect full_rect = rect{-1, -1, 0, 0}; inline bool operator==(struct rect a, struct rect b) { return a.w == b.w && a.h == b.h && a.x == b.x && a.y == b.y; } struct controller; struct controller_child { struct controller *parent; uint32_t id; controller_child(controller_child const &) = delete; controller_child &operator=(controller_child const &) = delete; controller_child(struct controller *c, uint32_t i) : parent(c), id(i) {} virtual ~controller_child() {} }; struct surface_properties { uint32_t id; // let's just save an ID here too struct rect dst_rect; struct rect src_rect; struct size size; int32_t orientation; int32_t visibility; float opacity; }; /** * @struct surface */ struct surface : public wayland_proxy<struct ivi_controller_surface>, controller_child { surface(surface const &) = delete; surface &operator=(surface const &) = delete; surface(uint32_t i, struct controller *c); // Requests void set_visibility(uint32_t visibility); void set_opacity(wl_fixed_t opacity); void set_source_rectangle(int32_t x, int32_t y, int32_t width, int32_t height); void set_destination_rectangle(int32_t x, int32_t y, int32_t width, int32_t height); void set_configuration(int32_t width, int32_t height); void set_orientation(int32_t orientation); void screenshot(const char *filename); void send_stats(); void destroy(int32_t destroy_scene_object); }; /** * @struct layer */ struct layer : public wayland_proxy<struct ivi_controller_layer>, controller_child { layer(layer const &) = delete; layer &operator=(layer const &) = delete; layer(uint32_t i, struct controller *c); layer(uint32_t i, int32_t w, int32_t h, struct controller *c); // Requests void set_visibility(uint32_t visibility); void set_opacity(wl_fixed_t opacity); void set_source_rectangle(int32_t x, int32_t y, int32_t width, int32_t height); void set_destination_rectangle(int32_t x, int32_t y, int32_t width, int32_t height); void set_configuration(int32_t width, int32_t height); void set_orientation(int32_t orientation); void screenshot(const char *filename); void clear_surfaces(); void add_surface(struct surface *surface); void remove_surface(struct surface *surface); void set_render_order(std::vector<uint32_t> const &ro); }; /** * @struct screen */ struct screen : public wayland_proxy<struct ivi_controller_screen>, controller_child { screen(screen const &) = delete; screen &operator=(screen const &) = delete; screen(uint32_t i, struct controller *c, struct ivi_controller_screen *p); void clear(); void add_layer(layer *l); void set_render_order(std::vector<uint32_t> const &ro); }; /** * @struct controller */ struct controller : public wayland_proxy<struct ivi_controller> { // This controller is still missing ivi-input typedef std::unordered_map<uintptr_t, uint32_t> proxy_to_id_map_type; typedef std::unordered_map<uint32_t, std::unique_ptr<struct surface>> surface_map_type; typedef std::unordered_map<uint32_t, std::unique_ptr<struct layer>> layer_map_type; typedef std::unordered_map<uint32_t, std::unique_ptr<struct screen>> screen_map_type; typedef std::unordered_map<uint32_t, struct surface_properties> props_map; // HACK: // The order of these member is mandatory, as when objects are destroyed // they will call their parent (that's us right here!) and remove their // proxy-to-id mapping. I.e. the *_proxy_to_id members need to be valid // when the surfaces/layers/screens maps are destroyed. This sucks, but // I cannot see a better solution w/o globals or some other horrible // call-our-parent construct. proxy_to_id_map_type surface_proxy_to_id; proxy_to_id_map_type layer_proxy_to_id; proxy_to_id_map_type screen_proxy_to_id; props_map sprops; props_map lprops; surface_map_type surfaces; layer_map_type layers; screen_map_type screens; size output_size; wm::controller_hooks *chooks; bool is_configured; void add_proxy_to_id_mapping(struct ivi_controller_surface *p, uint32_t id); void remove_proxy_to_id_mapping(struct ivi_controller_surface *p); void add_proxy_to_id_mapping(struct ivi_controller_layer *p, uint32_t id); void remove_proxy_to_id_mapping(struct ivi_controller_layer *p); void add_proxy_to_id_mapping(struct wl_output *p, uint32_t id); void remove_proxy_to_id_mapping(struct wl_output *p); bool surface_exists(uint32_t id) const { return this->surfaces.find(id) != this->surfaces.end(); } bool layer_exists(uint32_t id) const { return this->layers.find(id) != this->layers.end(); } controller(struct wl_registry *r, uint32_t name, uint32_t version); // Requests void commit_changes() const { ivi_controller_commit_changes(this->proxy.get()); } void layer_create(uint32_t id, int32_t w, int32_t h); void surface_create(uint32_t id); // Events // controller void controller_screen(uint32_t id, struct ivi_controller_screen *screen); void controller_layer(uint32_t id); void controller_surface(uint32_t id); void controller_error(int32_t object_id, int32_t object_type, int32_t error_code, char const *error_text); // surface void surface_visibility(struct surface *s, int32_t visibility); void surface_opacity(struct surface *s, float opacity); void surface_source_rectangle(struct surface *s, int32_t x, int32_t y, int32_t width, int32_t height); void surface_destination_rectangle(struct surface *s, int32_t x, int32_t y, int32_t width, int32_t height); void surface_configuration(struct surface *s, int32_t width, int32_t height); void surface_orientation(struct surface *s, int32_t orientation); void surface_pixelformat(struct surface *s, int32_t pixelformat); void surface_layer(struct surface *s, struct ivi_controller_layer *layer); void surface_stats(struct surface *s, uint32_t redraw_count, uint32_t frame_count, uint32_t update_count, uint32_t pid, const char *process_name); void surface_destroyed(struct surface *s); void surface_content(struct surface *s, int32_t content_state); // layer void layer_visibility(struct layer *l, int32_t visibility); void layer_opacity(struct layer *l, float opacity); void layer_source_rectangle(struct layer *l, int32_t x, int32_t y, int32_t width, int32_t height); void layer_destination_rectangle(struct layer *l, int32_t x, int32_t y, int32_t width, int32_t height); void layer_configuration(struct layer *l, int32_t width, int32_t height); void layer_orientation(struct layer *l, int32_t orientation); void layer_screen(struct layer *l, struct wl_output *screen); void layer_destroyed(struct layer *l); }; } // namespace compositor #endif // !WM_WAYLAND_HPP