host/libs/wayland/wayland_shell.cpp

/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * 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.
 */

#include "host/libs/wayland/wayland_shell.h"

#include <android-base/logging.h>

#include <wayland-server-core.h>
#include <wayland-server-protocol.h>
#include <xdg-shell-server-protocol.h>

namespace wayland {
namespace {

void xdg_positioner_destroy(wl_client*, wl_resource* positioner) {
  LOG(VERBOSE) << __FUNCTION__
               << " positioner=" << positioner;

  wl_resource_destroy(positioner);
}

void xdg_positioner_set_size(wl_client*, wl_resource* positioner, int32_t w,
                             int32_t h) {
  LOG(VERBOSE) << __FUNCTION__
               << " positioner=" << positioner
               << " w=" << w
               << " h=" << h;
}

void xdg_positioner_set_anchor_rect(wl_client*, wl_resource* positioner,
                                    int32_t x, int32_t y, int32_t w,
                                    int32_t h) {
  LOG(VERBOSE) << __FUNCTION__
               << " positioner=" << positioner
               << " x=" << x
               << " y=" << y
               << " w=" << w
               << " h=" << h;
}

void xdg_positioner_set_anchor(wl_client*, wl_resource* positioner,
                               uint32_t anchor) {
  LOG(VERBOSE) << __FUNCTION__
               << " positioner=" << positioner
               << " anchor=" << anchor;
}

void xdg_positioner_set_gravity(wl_client*, wl_resource* positioner,
                                uint32_t gravity) {
  LOG(VERBOSE) << __FUNCTION__
               << " positioner=" << positioner
               << " gravity=" << gravity;
}

void xdg_positioner_set_constraint_adjustment(wl_client*,
                                              wl_resource* positioner,
                                              uint32_t adjustment) {
  LOG(VERBOSE) << __FUNCTION__
               << " positioner=" << positioner
               << " adjustment=" << adjustment;
}

void xdg_positioner_set_offset(wl_client*, wl_resource* positioner, int32_t x,
                               int32_t y) {
  LOG(VERBOSE) << __FUNCTION__
               << " positioner=" << positioner
               << " x=" << x
               << " y=" << y;
}

const struct xdg_positioner_interface xdg_positioner_implementation = {
    .destroy = xdg_positioner_destroy,
    .set_size = xdg_positioner_set_size,
    .set_anchor_rect = xdg_positioner_set_anchor_rect,
    .set_anchor = xdg_positioner_set_anchor,
    .set_gravity = xdg_positioner_set_gravity,
    .set_constraint_adjustment = xdg_positioner_set_constraint_adjustment,
    .set_offset = xdg_positioner_set_offset};

void xdg_toplevel_destroy(wl_client*, wl_resource* toplevel) {
  LOG(VERBOSE) << __FUNCTION__
               << " toplevel=" << toplevel;

  wl_resource_destroy(toplevel);
}

void xdg_toplevel_set_parent(wl_client*, wl_resource* toplevel,
                             wl_resource* parent_toplevel) {
  LOG(VERBOSE) << __FUNCTION__
               << " toplevel=" << toplevel
               << " parent_toplevel=" << parent_toplevel;
}

void xdg_toplevel_set_title(wl_client*, wl_resource* toplevel,
                            const char* title) {
  LOG(VERBOSE) << __FUNCTION__
               << " toplevel=" << toplevel
               << " title=" << title;
}

void xdg_toplevel_set_app_id(wl_client*, wl_resource* toplevel,
                             const char* app) {
  LOG(VERBOSE) << __FUNCTION__
               << " toplevel=" << toplevel
               << " app=" << app;
}

void xdg_toplevel_show_window_menu(wl_client*, wl_resource* toplevel,
                                   wl_resource* seat, uint32_t serial,
                                   int32_t x, int32_t y) {
  LOG(VERBOSE) << __FUNCTION__
               << " toplevel=" << toplevel
               << " seat=" << seat
               << " serial=" << serial
               << " x=" << x
               << " y=" << y;
}

void xdg_toplevel_move(wl_client*, wl_resource* toplevel, wl_resource* seat,
                       uint32_t serial) {
  LOG(VERBOSE) << __FUNCTION__
               << " toplevel=" << toplevel
               << " seat=" << seat
               << " serial=" << serial;
}

void xdg_toplevel_resize(wl_client*, wl_resource* toplevel, wl_resource* seat,
                         uint32_t serial, uint32_t edges) {
  LOG(VERBOSE) << __FUNCTION__
               << " toplevel=" << toplevel
               << " seat=" << seat
               << " serial=" << serial
               << " edges=" << edges;
}

void xdg_toplevel_set_max_size(wl_client*, wl_resource* toplevel, int32_t w,
                               int32_t h) {
  LOG(VERBOSE) << __FUNCTION__
               << " toplevel=" << toplevel
               << " w=" << w
               << " h=" << h;
}

void xdg_toplevel_set_min_size(wl_client*, wl_resource* toplevel, int32_t w,
                               int32_t h) {
  LOG(VERBOSE) << __FUNCTION__
               << " toplevel=" << toplevel
               << " w=" << w
               << " h=" << h;
}

void xdg_toplevel_set_maximized(wl_client*, wl_resource* toplevel) {
  LOG(VERBOSE) << __FUNCTION__
               << " toplevel=" << toplevel;
}

void xdg_toplevel_unset_maximized(wl_client*, wl_resource* toplevel) {
  LOG(VERBOSE) << __FUNCTION__
               << " toplevel=" << toplevel;
}

void xdg_toplevel_set_fullscreen(wl_client*, wl_resource* toplevel,
                                 wl_resource*) {
  LOG(VERBOSE) << __FUNCTION__
               << " toplevel=" << toplevel;
}

void xdg_toplevel_unset_fullscreen(wl_client*, wl_resource* toplevel) {
  LOG(VERBOSE) << __FUNCTION__
               << " toplevel=" << toplevel;
}

void xdg_toplevel_set_minimized(wl_client*, wl_resource* toplevel) {
  LOG(VERBOSE) << __FUNCTION__
               << " toplevel=" << toplevel;
}

const struct xdg_toplevel_interface xdg_toplevel_implementation = {
    .destroy = xdg_toplevel_destroy,
    .set_parent = xdg_toplevel_set_parent,
    .set_title = xdg_toplevel_set_title,
    .set_app_id = xdg_toplevel_set_app_id,
    .show_window_menu = xdg_toplevel_show_window_menu,
    .move = xdg_toplevel_move,
    .resize = xdg_toplevel_resize,
    .set_max_size = xdg_toplevel_set_max_size,
    .set_min_size = xdg_toplevel_set_min_size,
    .set_maximized = xdg_toplevel_set_maximized,
    .unset_maximized = xdg_toplevel_unset_maximized,
    .set_fullscreen = xdg_toplevel_set_fullscreen,
    .unset_fullscreen = xdg_toplevel_unset_fullscreen,
    .set_minimized = xdg_toplevel_set_minimized};

void xdg_popup_destroy(wl_client*, wl_resource* popup) {
  LOG(VERBOSE) << __FUNCTION__
               << " popup=" << popup;

  wl_resource_destroy(popup);
}

void xdg_popup_grab(wl_client*, wl_resource* popup, wl_resource* seat,
                    uint32_t serial) {
  LOG(VERBOSE) << __FUNCTION__
               << " popup=" << popup
               << " seat=" << seat
               << " serial=" << serial;
}

const struct xdg_popup_interface xdg_popup_implementation = {
    .destroy = xdg_popup_destroy, .grab = xdg_popup_grab};

void xdg_surface_destroy(wl_client*, wl_resource* surface) {
  LOG(VERBOSE) << __FUNCTION__
               << " surface=" << surface;

  wl_resource_destroy(surface);
}

void toplevel_destroy_resource_callback(struct wl_resource*) {}

void xdg_surface_get_toplevel(wl_client* client, wl_resource* surface,
                              uint32_t id) {
  LOG(VERBOSE) << __FUNCTION__
               << " surface=" << surface
               << " id=" << id;

  wl_resource* xdg_toplevel_resource =
      wl_resource_create(client, &xdg_toplevel_interface, 1, id);

  wl_resource_set_implementation(xdg_toplevel_resource,
                                 &xdg_toplevel_implementation, nullptr,
                                 toplevel_destroy_resource_callback);
}

void popup_destroy_resource_callback(struct wl_resource*) {}

void xdg_surface_get_popup(wl_client* client, wl_resource* surface, uint32_t id,
                           wl_resource* parent_surface,
                           wl_resource* positioner) {
  LOG(VERBOSE) << __FUNCTION__
               << " surface=" << surface
               << " id=" << id
               << " parent_surface=" << parent_surface
               << " positioner=" << positioner;

  wl_resource* xdg_popup_resource =
      wl_resource_create(client, &xdg_popup_interface, 1, id);

  wl_resource_set_implementation(xdg_popup_resource, &xdg_popup_implementation,
                                 nullptr, popup_destroy_resource_callback);
}

void xdg_surface_set_window_geometry(wl_client*, wl_resource* surface,
                                     int32_t x, int32_t y, int32_t w,
                                     int32_t h) {
  LOG(VERBOSE) << __FUNCTION__
               << " surface=" << surface
               << " x=" << x
               << " y=" << y
               << " w=" << w
               << " h=" << h;
}

void xdg_surface_ack_configure(wl_client*, wl_resource* surface,
                               uint32_t serial) {
  LOG(VERBOSE) << __FUNCTION__
               << " surface=" << surface
               << " serial=" << serial;
}

const struct xdg_surface_interface xdg_surface_implementation = {
    .destroy = xdg_surface_destroy,
    .get_toplevel = xdg_surface_get_toplevel,
    .get_popup = xdg_surface_get_popup,
    .set_window_geometry = xdg_surface_set_window_geometry,
    .ack_configure = xdg_surface_ack_configure};

void xdg_shell_destroy(wl_client*, wl_resource* shell) {
  LOG(VERBOSE) << __FUNCTION__
               << " shell=" << shell;

  wl_resource_destroy(shell);
}

void positioner_destroy_resource_callback(struct wl_resource*) {}

void xdg_shell_create_positioner(wl_client* client, wl_resource* shell,
                                 uint32_t id) {
  LOG(VERBOSE) << __FUNCTION__
               << " shell=" << shell
               << " id=" << id;

  wl_resource* positioner_resource =
      wl_resource_create(client, &xdg_positioner_interface, 1, id);

  wl_resource_set_implementation(positioner_resource,
                                 &xdg_positioner_implementation, nullptr,
                                 positioner_destroy_resource_callback);
}

void surface_destroy_resource_callback(struct wl_resource*) {}

void xdg_shell_get_xdg_surface(wl_client* client, wl_resource* shell,
                               uint32_t id, wl_resource* surface) {
  LOG(VERBOSE) << __FUNCTION__
               << " shell=" << shell
               << " id=" << id
               << " surface=" << surface;

  wl_resource* surface_resource =
      wl_resource_create(client, &xdg_surface_interface, 1, id);

  wl_resource_set_implementation(surface_resource, &xdg_surface_implementation,
                                 nullptr, surface_destroy_resource_callback);
}

void xdg_shell_pong(wl_client*, wl_resource* shell, uint32_t serial) {
  LOG(VERBOSE) << __FUNCTION__
               << " shell=" << shell
               << " serial=" << serial;
}

const struct xdg_wm_base_interface xdg_shell_implementation = {
    .destroy = xdg_shell_destroy,
    .create_positioner = xdg_shell_create_positioner,
    .get_xdg_surface = xdg_shell_get_xdg_surface,
    .pong = xdg_shell_pong};

void bind_shell(wl_client* client, void* data, uint32_t version, uint32_t id) {
  wl_resource* shell_resource =
      wl_resource_create(client, &xdg_wm_base_interface, version, id);

  wl_resource_set_implementation(shell_resource, &xdg_shell_implementation,
                                 data, nullptr);
}

}  // namespace

void BindShellInterface(wl_display* display) {
  wl_global_create(display, &xdg_wm_base_interface, 1, nullptr, bind_shell);
}

}  // namespace wayland