| // Copyright 2015 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/server.h" |
| |
| #include <alpha-compositing-unstable-v1-server-protocol.h> |
| #include <aura-shell-server-protocol.h> |
| #include <cursor-shapes-unstable-v1-server-protocol.h> |
| #include <gaming-input-unstable-v2-server-protocol.h> |
| #include <grp.h> |
| #include <input-timestamps-unstable-v1-server-protocol.h> |
| #include <keyboard-configuration-unstable-v1-server-protocol.h> |
| #include <keyboard-extension-unstable-v1-server-protocol.h> |
| #include <linux-explicit-synchronization-unstable-v1-server-protocol.h> |
| #include <notification-shell-unstable-v1-server-protocol.h> |
| #include <pointer-gestures-unstable-v1-server-protocol.h> |
| #include <presentation-time-server-protocol.h> |
| #include <relative-pointer-unstable-v1-server-protocol.h> |
| #include <remote-shell-unstable-v1-server-protocol.h> |
| #include <secure-output-unstable-v1-server-protocol.h> |
| #include <stylus-tools-unstable-v1-server-protocol.h> |
| #include <stylus-unstable-v2-server-protocol.h> |
| #include <text-input-unstable-v1-server-protocol.h> |
| #include <viewporter-server-protocol.h> |
| #include <vsync-feedback-unstable-v1-server-protocol.h> |
| #include <wayland-server-core.h> |
| #include <wayland-server-protocol-core.h> |
| #include <xdg-shell-unstable-v6-server-protocol.h> |
| |
| #include <memory> |
| #include <string> |
| #include <utility> |
| |
| #include "base/command_line.h" |
| #include "base/files/file_path.h" |
| #include "components/exo/display.h" |
| #include "components/exo/wayland/wayland_display_output.h" |
| #include "components/exo/wayland/wl_compositor.h" |
| #include "components/exo/wayland/wl_data_device_manager.h" |
| #include "components/exo/wayland/wl_output.h" |
| #include "components/exo/wayland/wl_seat.h" |
| #include "components/exo/wayland/wl_shm.h" |
| #include "components/exo/wayland/wl_subcompositor.h" |
| #include "components/exo/wayland/wp_presentation.h" |
| #include "components/exo/wayland/wp_viewporter.h" |
| #include "components/exo/wayland/zaura_shell.h" |
| #include "components/exo/wayland/zcr_alpha_compositing.h" |
| #include "components/exo/wayland/zcr_secure_output.h" |
| #include "components/exo/wayland/zcr_stylus.h" |
| #include "components/exo/wayland/zcr_vsync_feedback.h" |
| #include "components/exo/wayland/zwp_linux_explicit_synchronization.h" |
| #include "ui/display/display.h" |
| #include "ui/display/screen.h" |
| |
| #if defined(OS_CHROMEOS) |
| #include "components/exo/wayland/wl_shell.h" |
| #include "components/exo/wayland/zcr_cursor_shapes.h" |
| #include "components/exo/wayland/zcr_gaming_input.h" |
| #include "components/exo/wayland/zcr_keyboard_configuration.h" |
| #include "components/exo/wayland/zcr_keyboard_extension.h" |
| #include "components/exo/wayland/zcr_notification_shell.h" |
| #include "components/exo/wayland/zcr_remote_shell.h" |
| #include "components/exo/wayland/zcr_stylus_tools.h" |
| #include "components/exo/wayland/zwp_input_timestamps_manager.h" |
| #include "components/exo/wayland/zwp_pointer_gestures.h" |
| #include "components/exo/wayland/zwp_relative_pointer_manager.h" |
| #include "components/exo/wayland/zwp_text_input_manager.h" |
| #include "components/exo/wayland/zxdg_shell.h" |
| #endif |
| |
| #if defined(USE_OZONE) |
| #include <linux-dmabuf-unstable-v1-server-protocol.h> |
| #include "components/exo/wayland/zwp_linux_dmabuf.h" |
| #endif |
| |
| #if defined(USE_FULLSCREEN_SHELL) |
| #include <fullscreen-shell-unstable-v1-server-protocol.h> |
| #include "components/exo/wayland/zwp_fullscreen_shell.h" |
| #endif |
| |
| namespace exo { |
| namespace wayland { |
| namespace switches { |
| |
| // This flag can be used to override the default wayland socket name. It is |
| // useful when another wayland server is already running and using the |
| // default name. |
| constexpr char kWaylandServerSocket[] = "wayland-server-socket"; |
| } |
| |
| namespace { |
| |
| // Default wayland socket name. |
| const base::FilePath::CharType kSocketName[] = FILE_PATH_LITERAL("wayland-0"); |
| |
| // Group used for wayland socket. |
| const char kWaylandSocketGroup[] = "wayland"; |
| |
| } // namespace |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // Server, public: |
| |
| Server::Server(Display* display) |
| : display_(display), wl_display_(wl_display_create()) { |
| wl_global_create(wl_display_.get(), &wl_compositor_interface, |
| kWlCompositorVersion, display_, bind_compositor); |
| wl_global_create(wl_display_.get(), &wl_shm_interface, 1, display_, bind_shm); |
| #if defined(USE_OZONE) |
| wl_global_create(wl_display_.get(), &zwp_linux_dmabuf_v1_interface, |
| kZwpLinuxDmabufVersion, display_, bind_linux_dmabuf); |
| #endif |
| wl_global_create(wl_display_.get(), &wl_subcompositor_interface, 1, display_, |
| bind_subcompositor); |
| display::Screen::GetScreen()->AddObserver(this); |
| for (const auto& display : display::Screen::GetScreen()->GetAllDisplays()) |
| OnDisplayAdded(display); |
| wl_global_create(wl_display_.get(), &zcr_vsync_feedback_v1_interface, 1, |
| display_, bind_vsync_feedback); |
| wl_global_create(wl_display_.get(), &wl_data_device_manager_interface, |
| kWlDataDeviceManagerVersion, display_, |
| bind_data_device_manager); |
| wl_global_create(wl_display_.get(), &wp_viewporter_interface, 1, display_, |
| bind_viewporter); |
| wl_global_create(wl_display_.get(), &wp_presentation_interface, 1, display_, |
| bind_presentation); |
| wl_global_create(wl_display_.get(), &zcr_secure_output_v1_interface, 1, |
| display_, bind_secure_output); |
| wl_global_create(wl_display_.get(), &zcr_alpha_compositing_v1_interface, 1, |
| display_, bind_alpha_compositing); |
| wl_global_create(wl_display_.get(), &zcr_stylus_v2_interface, 1, display_, |
| bind_stylus_v2); |
| wl_global_create(wl_display_.get(), &wl_seat_interface, kWlSeatVersion, |
| display_->seat(), bind_seat); |
| wl_global_create(wl_display_.get(), |
| &zwp_linux_explicit_synchronization_v1_interface, 1, |
| display_, bind_linux_explicit_synchronization); |
| wl_global_create(wl_display_.get(), &zaura_shell_interface, |
| kZAuraShellVersion, display_, bind_aura_shell); |
| #if defined(OS_CHROMEOS) |
| wl_global_create(wl_display_.get(), &wl_shell_interface, 1, display_, |
| bind_shell); |
| wl_global_create(wl_display_.get(), &zcr_cursor_shapes_v1_interface, 1, |
| display_, bind_cursor_shapes); |
| wl_global_create(wl_display_.get(), &zcr_gaming_input_v2_interface, 1, |
| display_, bind_gaming_input); |
| wl_global_create(wl_display_.get(), &zcr_keyboard_configuration_v1_interface, |
| kZcrKeyboardConfigurationVersion, display_, |
| bind_keyboard_configuration); |
| wl_global_create(wl_display_.get(), &zcr_keyboard_extension_v1_interface, 1, |
| display_, bind_keyboard_extension); |
| wl_global_create(wl_display_.get(), &zcr_notification_shell_v1_interface, 1, |
| display_, bind_notification_shell); |
| wl_global_create(wl_display_.get(), &zcr_remote_shell_v1_interface, |
| kZcrRemoteShellVersion, display_, bind_remote_shell); |
| wl_global_create(wl_display_.get(), &zcr_stylus_tools_v1_interface, 1, |
| display_, bind_stylus_tools); |
| wl_global_create(wl_display_.get(), |
| &zwp_input_timestamps_manager_v1_interface, 1, display_, |
| bind_input_timestamps_manager); |
| wl_global_create(wl_display_.get(), &zwp_pointer_gestures_v1_interface, 1, |
| display_, bind_pointer_gestures); |
| wl_global_create(wl_display_.get(), |
| &zwp_relative_pointer_manager_v1_interface, 1, display_, |
| bind_relative_pointer_manager); |
| wl_global_create(wl_display_.get(), &zwp_text_input_manager_v1_interface, 1, |
| display_, bind_text_input_manager); |
| wl_global_create(wl_display_.get(), &zxdg_shell_v6_interface, 1, display_, |
| bind_xdg_shell_v6); |
| #endif |
| |
| #if defined(USE_FULLSCREEN_SHELL) |
| wl_global_create(wl_display_.get(), &zwp_fullscreen_shell_v1_interface, 1, |
| display_, bind_fullscreen_shell); |
| #endif |
| } |
| |
| Server::~Server() { |
| display::Screen::GetScreen()->RemoveObserver(this); |
| } |
| |
| // static |
| std::unique_ptr<Server> Server::Create(Display* display) { |
| std::unique_ptr<Server> server(new Server(display)); |
| |
| char* runtime_dir = getenv("XDG_RUNTIME_DIR"); |
| if (!runtime_dir) { |
| LOG(ERROR) << "XDG_RUNTIME_DIR not set in the environment"; |
| return nullptr; |
| } |
| |
| std::string socket_name(kSocketName); |
| base::CommandLine* command_line = base::CommandLine::ForCurrentProcess(); |
| if (command_line->HasSwitch(switches::kWaylandServerSocket)) { |
| socket_name = |
| command_line->GetSwitchValueASCII(switches::kWaylandServerSocket); |
| } |
| |
| if (!server->AddSocket(socket_name.c_str())) { |
| LOG(ERROR) << "Failed to add socket: " << socket_name; |
| return nullptr; |
| } |
| |
| base::FilePath socket_path = base::FilePath(runtime_dir).Append(socket_name); |
| |
| // Change permissions on the socket. |
| struct group wayland_group; |
| struct group* wayland_group_res = nullptr; |
| char buf[10000]; |
| if (HANDLE_EINTR(getgrnam_r(kWaylandSocketGroup, &wayland_group, buf, |
| sizeof(buf), &wayland_group_res)) < 0) { |
| PLOG(ERROR) << "getgrnam_r"; |
| return nullptr; |
| } |
| if (wayland_group_res) { |
| if (HANDLE_EINTR(chown(socket_path.MaybeAsASCII().c_str(), -1, |
| wayland_group.gr_gid)) < 0) { |
| PLOG(ERROR) << "chown"; |
| return nullptr; |
| } |
| } else { |
| LOG(WARNING) << "Group '" << kWaylandSocketGroup << "' not found"; |
| } |
| |
| if (!base::SetPosixFilePermissions(socket_path, 0660)) { |
| PLOG(ERROR) << "Could not set permissions: " << socket_path.value(); |
| return nullptr; |
| } |
| |
| return server; |
| } |
| |
| bool Server::AddSocket(const std::string name) { |
| DCHECK(!name.empty()); |
| return !wl_display_add_socket(wl_display_.get(), name.c_str()); |
| } |
| |
| int Server::GetFileDescriptor() const { |
| wl_event_loop* event_loop = wl_display_get_event_loop(wl_display_.get()); |
| DCHECK(event_loop); |
| return wl_event_loop_get_fd(event_loop); |
| } |
| |
| void Server::Dispatch(base::TimeDelta timeout) { |
| wl_event_loop* event_loop = wl_display_get_event_loop(wl_display_.get()); |
| DCHECK(event_loop); |
| wl_event_loop_dispatch(event_loop, timeout.InMilliseconds()); |
| } |
| |
| void Server::Flush() { |
| wl_display_flush_clients(wl_display_.get()); |
| } |
| |
| void Server::OnDisplayAdded(const display::Display& new_display) { |
| auto output = std::make_unique<WaylandDisplayOutput>(new_display.id()); |
| output->set_global(wl_global_create(wl_display_.get(), &wl_output_interface, |
| kWlOutputVersion, output.get(), |
| bind_output)); |
| DCHECK_EQ(outputs_.count(new_display.id()), 0u); |
| outputs_.insert(std::make_pair(new_display.id(), std::move(output))); |
| } |
| |
| void Server::OnDisplayRemoved(const display::Display& old_display) { |
| DCHECK_EQ(outputs_.count(old_display.id()), 1u); |
| outputs_.erase(old_display.id()); |
| } |
| |
| } // namespace wayland |
| } // namespace exo |
