| // Copyright 2016 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 "ui/ozone/platform/wayland/fake_server.h" |
| |
| #include <sys/socket.h> |
| #include <wayland-server.h> |
| #include <xdg-shell-unstable-v5-server-protocol.h> |
| #include <xdg-shell-unstable-v6-server-protocol.h> |
| |
| #include "base/bind.h" |
| #include "base/files/scoped_file.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/run_loop.h" |
| #include "base/strings/string_number_conversions.h" |
| |
| namespace wl { |
| namespace { |
| |
| const uint32_t kCompositorVersion = 4; |
| const uint32_t kOutputVersion = 2; |
| const uint32_t kSeatVersion = 4; |
| const uint32_t kXdgShellVersion = 1; |
| |
| void DestroyResource(wl_client* client, wl_resource* resource) { |
| wl_resource_destroy(resource); |
| } |
| |
| // wl_compositor |
| |
| void CreateSurface(wl_client* client, wl_resource* resource, uint32_t id) { |
| auto* compositor = |
| static_cast<MockCompositor*>(wl_resource_get_user_data(resource)); |
| wl_resource* surface_resource = wl_resource_create( |
| client, &wl_surface_interface, wl_resource_get_version(resource), id); |
| if (!surface_resource) { |
| wl_client_post_no_memory(client); |
| return; |
| } |
| compositor->AddSurface(base::MakeUnique<MockSurface>(surface_resource)); |
| } |
| |
| const struct wl_compositor_interface compositor_impl = { |
| &CreateSurface, // create_surface |
| nullptr, // create_region |
| }; |
| |
| // wl_surface |
| |
| void Attach(wl_client* client, |
| wl_resource* resource, |
| wl_resource* buffer_resource, |
| int32_t x, |
| int32_t y) { |
| static_cast<MockSurface*>(wl_resource_get_user_data(resource)) |
| ->Attach(buffer_resource, x, y); |
| } |
| |
| void Damage(wl_client* client, |
| wl_resource* resource, |
| int32_t x, |
| int32_t y, |
| int32_t width, |
| int32_t height) { |
| static_cast<MockSurface*>(wl_resource_get_user_data(resource)) |
| ->Damage(x, y, width, height); |
| } |
| |
| void Commit(wl_client* client, wl_resource* resource) { |
| static_cast<MockSurface*>(wl_resource_get_user_data(resource))->Commit(); |
| } |
| |
| const struct wl_surface_interface surface_impl = { |
| &DestroyResource, // destroy |
| &Attach, // attach |
| &Damage, // damage |
| nullptr, // frame |
| nullptr, // set_opaque_region |
| nullptr, // set_input_region |
| &Commit, // commit |
| nullptr, // set_buffer_transform |
| nullptr, // set_buffer_scale |
| nullptr, // damage_buffer |
| }; |
| |
| // xdg_shell |
| |
| void UseUnstableVersion(wl_client* client, |
| wl_resource* resource, |
| int32_t version) { |
| static_cast<MockXdgShell*>(wl_resource_get_user_data(resource)) |
| ->UseUnstableVersion(version); |
| } |
| |
| // xdg_shell and zxdg_shell_v6 |
| |
| void Pong(wl_client* client, wl_resource* resource, uint32_t serial) { |
| static_cast<MockXdgShell*>(wl_resource_get_user_data(resource))->Pong(serial); |
| } |
| |
| // xdg_shell |
| |
| void GetXdgSurfaceV5(wl_client* client, |
| wl_resource* resource, |
| uint32_t id, |
| wl_resource* surface_resource); |
| |
| const struct xdg_shell_interface xdg_shell_impl = { |
| &DestroyResource, // destroy |
| &UseUnstableVersion, // use_unstable_version |
| &GetXdgSurfaceV5, // get_xdg_surface |
| nullptr, // get_xdg_popup |
| &Pong, // pong |
| }; |
| |
| // zxdg_shell_v6 |
| |
| void GetXdgSurfaceV6(wl_client* client, |
| wl_resource* resource, |
| uint32_t id, |
| wl_resource* surface_resource); |
| |
| const struct zxdg_shell_v6_interface zxdg_shell_v6_impl = { |
| &DestroyResource, // destroy |
| nullptr, // create_positioner |
| &GetXdgSurfaceV6, // get_xdg_surface |
| &Pong, // pong |
| }; |
| |
| // wl_seat |
| |
| void GetPointer(wl_client* client, wl_resource* resource, uint32_t id) { |
| auto* seat = static_cast<MockSeat*>(wl_resource_get_user_data(resource)); |
| wl_resource* pointer_resource = wl_resource_create( |
| client, &wl_pointer_interface, wl_resource_get_version(resource), id); |
| if (!pointer_resource) { |
| wl_client_post_no_memory(client); |
| return; |
| } |
| seat->pointer.reset(new MockPointer(pointer_resource)); |
| } |
| |
| void GetKeyboard(wl_client* client, wl_resource* resource, uint32_t id) { |
| auto* seat = static_cast<MockSeat*>(wl_resource_get_user_data(resource)); |
| wl_resource* keyboard_resource = wl_resource_create( |
| client, &wl_keyboard_interface, wl_resource_get_version(resource), id); |
| if (!keyboard_resource) { |
| wl_client_post_no_memory(client); |
| return; |
| } |
| seat->keyboard.reset(new MockKeyboard(keyboard_resource)); |
| } |
| |
| const struct wl_seat_interface seat_impl = { |
| &GetPointer, // get_pointer |
| &GetKeyboard, // get_keyboard |
| nullptr, // get_touch, |
| &DestroyResource, // release |
| }; |
| |
| // wl_keyboard |
| |
| const struct wl_keyboard_interface keyboard_impl = { |
| &DestroyResource, // release |
| }; |
| |
| // wl_pointer |
| |
| const struct wl_pointer_interface pointer_impl = { |
| nullptr, // set_cursor |
| &DestroyResource, // release |
| }; |
| |
| // xdg_surface, zxdg_surface_v6 and zxdg_toplevel shared methods. |
| |
| void SetTitle(wl_client* client, wl_resource* resource, const char* title) { |
| static_cast<MockXdgSurface*>(wl_resource_get_user_data(resource)) |
| ->SetTitle(title); |
| } |
| |
| void SetAppId(wl_client* client, wl_resource* resource, const char* app_id) { |
| static_cast<MockXdgSurface*>(wl_resource_get_user_data(resource)) |
| ->SetAppId(app_id); |
| } |
| |
| void AckConfigure(wl_client* client, wl_resource* resource, uint32_t serial) { |
| static_cast<MockXdgSurface*>(wl_resource_get_user_data(resource)) |
| ->AckConfigure(serial); |
| } |
| |
| void SetWindowGeometry(wl_client* client, |
| wl_resource* resource, |
| int32_t x, |
| int32_t y, |
| int32_t width, |
| int32_t height) { |
| static_cast<MockXdgSurface*>(wl_resource_get_user_data(resource)) |
| ->SetWindowGeometry(x, y, width, height); |
| } |
| |
| void SetMaximized(wl_client* client, wl_resource* resource) { |
| static_cast<MockXdgSurface*>(wl_resource_get_user_data(resource)) |
| ->SetMaximized(); |
| } |
| |
| void UnsetMaximized(wl_client* client, wl_resource* resource) { |
| static_cast<MockXdgSurface*>(wl_resource_get_user_data(resource)) |
| ->UnsetMaximized(); |
| } |
| |
| void SetMinimized(wl_client* client, wl_resource* resource) { |
| static_cast<MockXdgSurface*>(wl_resource_get_user_data(resource)) |
| ->SetMinimized(); |
| } |
| |
| const struct xdg_surface_interface xdg_surface_impl = { |
| &DestroyResource, // destroy |
| nullptr, // set_parent |
| &SetTitle, // set_title |
| &SetAppId, // set_app_id |
| nullptr, // show_window_menu |
| nullptr, // move |
| nullptr, // resize |
| &AckConfigure, // ack_configure |
| &SetWindowGeometry, // set_window_geometry |
| &SetMaximized, // set_maximized |
| &UnsetMaximized, // set_unmaximized |
| nullptr, // set_fullscreen |
| nullptr, // unset_fullscreen |
| &SetMinimized, // set_minimized |
| }; |
| |
| // zxdg_surface specific interface |
| |
| void GetTopLevel(wl_client* client, wl_resource* resource, uint32_t id) { |
| auto* surface = |
| static_cast<MockXdgSurface*>(wl_resource_get_user_data(resource)); |
| if (surface->xdg_toplevel) { |
| wl_resource_post_error(resource, ZXDG_SURFACE_V6_ERROR_ALREADY_CONSTRUCTED, |
| "surface has already been constructed"); |
| return; |
| } |
| wl_resource* xdg_toplevel_resource = |
| wl_resource_create(client, &zxdg_toplevel_v6_interface, 1, id); |
| if (!xdg_toplevel_resource) { |
| wl_client_post_no_memory(client); |
| return; |
| } |
| surface->xdg_toplevel.reset(new MockXdgTopLevel(xdg_toplevel_resource)); |
| } |
| |
| const struct zxdg_surface_v6_interface zxdg_surface_v6_impl = { |
| &DestroyResource, // destroy |
| &GetTopLevel, // get_toplevel |
| nullptr, // get_popup |
| &SetWindowGeometry, // set_window_geometry |
| &AckConfigure, // ack_configure |
| }; |
| |
| const struct zxdg_toplevel_v6_interface zxdg_toplevel_v6_impl = { |
| &DestroyResource, // destroy |
| nullptr, // set_parent |
| &SetTitle, // set_title |
| &SetAppId, // set_app_id |
| nullptr, // show_window_menu |
| nullptr, // move |
| nullptr, // resize |
| nullptr, // set_max_size |
| nullptr, // set_min_size |
| &SetMaximized, // set_maximized |
| &UnsetMaximized, // set_unmaximized |
| nullptr, // set_fullscreen |
| nullptr, // unset_fullscreen |
| &SetMinimized, // set_minimized |
| }; |
| |
| void GetXdgSurfaceImpl(wl_client* client, |
| wl_resource* resource, |
| uint32_t id, |
| wl_resource* surface_resource, |
| const struct wl_interface* interface, |
| const void* implementation) { |
| auto* surface = |
| static_cast<MockSurface*>(wl_resource_get_user_data(surface_resource)); |
| if (surface->xdg_surface) { |
| uint32_t xdg_error = implementation == &xdg_surface_impl |
| ? XDG_SHELL_ERROR_ROLE |
| : ZXDG_SHELL_V6_ERROR_ROLE; |
| wl_resource_post_error(resource, xdg_error, "surface already has a role"); |
| return; |
| } |
| wl_resource* xdg_surface_resource = wl_resource_create( |
| client, interface, wl_resource_get_version(resource), id); |
| |
| if (!xdg_surface_resource) { |
| wl_client_post_no_memory(client); |
| return; |
| } |
| surface->xdg_surface.reset( |
| new MockXdgSurface(xdg_surface_resource, implementation)); |
| } |
| |
| // xdg_shell |
| |
| void GetXdgSurfaceV5(wl_client* client, |
| wl_resource* resource, |
| uint32_t id, |
| wl_resource* surface_resource) { |
| GetXdgSurfaceImpl(client, resource, id, surface_resource, |
| &xdg_surface_interface, &xdg_surface_impl); |
| } |
| |
| // zxdg_shell_v6 |
| |
| void GetXdgSurfaceV6(wl_client* client, |
| wl_resource* resource, |
| uint32_t id, |
| wl_resource* surface_resource) { |
| GetXdgSurfaceImpl(client, resource, id, surface_resource, |
| &zxdg_surface_v6_interface, &zxdg_surface_v6_impl); |
| } |
| |
| } // namespace |
| |
| ServerObject::ServerObject(wl_resource* resource) : resource_(resource) {} |
| |
| ServerObject::~ServerObject() { |
| if (resource_) |
| wl_resource_destroy(resource_); |
| } |
| |
| // static |
| void ServerObject::OnResourceDestroyed(wl_resource* resource) { |
| auto* obj = static_cast<ServerObject*>(wl_resource_get_user_data(resource)); |
| obj->resource_ = nullptr; |
| } |
| |
| MockXdgSurface::MockXdgSurface(wl_resource* resource, |
| const void* implementation) |
| : ServerObject(resource) { |
| wl_resource_set_implementation(resource, implementation, this, |
| &ServerObject::OnResourceDestroyed); |
| } |
| |
| MockXdgSurface::~MockXdgSurface() {} |
| |
| MockXdgTopLevel::MockXdgTopLevel(wl_resource* resource) |
| : MockXdgSurface(resource, &zxdg_surface_v6_impl) { |
| wl_resource_set_implementation(resource, &zxdg_toplevel_v6_impl, this, |
| &ServerObject::OnResourceDestroyed); |
| } |
| |
| MockXdgTopLevel::~MockXdgTopLevel() {} |
| |
| MockSurface::MockSurface(wl_resource* resource) : ServerObject(resource) { |
| wl_resource_set_implementation(resource, &surface_impl, this, |
| &ServerObject::OnResourceDestroyed); |
| } |
| |
| MockSurface::~MockSurface() { |
| if (xdg_surface && xdg_surface->resource()) |
| wl_resource_destroy(xdg_surface->resource()); |
| } |
| |
| MockSurface* MockSurface::FromResource(wl_resource* resource) { |
| if (!wl_resource_instance_of(resource, &wl_surface_interface, &surface_impl)) |
| return nullptr; |
| return static_cast<MockSurface*>(wl_resource_get_user_data(resource)); |
| } |
| |
| MockPointer::MockPointer(wl_resource* resource) : ServerObject(resource) { |
| wl_resource_set_implementation(resource, &pointer_impl, this, |
| &ServerObject::OnResourceDestroyed); |
| } |
| |
| MockPointer::~MockPointer() {} |
| |
| MockKeyboard::MockKeyboard(wl_resource* resource) : ServerObject(resource) { |
| wl_resource_set_implementation(resource, &keyboard_impl, this, |
| &ServerObject::OnResourceDestroyed); |
| } |
| |
| MockKeyboard::~MockKeyboard() {} |
| |
| void GlobalDeleter::operator()(wl_global* global) { |
| wl_global_destroy(global); |
| } |
| |
| Global::Global(const wl_interface* interface, |
| const void* implementation, |
| uint32_t version) |
| : interface_(interface), |
| implementation_(implementation), |
| version_(version) {} |
| |
| Global::~Global() {} |
| |
| bool Global::Initialize(wl_display* display) { |
| global_.reset(wl_global_create(display, interface_, version_, this, &Bind)); |
| return global_ != nullptr; |
| } |
| |
| // static |
| void Global::Bind(wl_client* client, |
| void* data, |
| uint32_t version, |
| uint32_t id) { |
| auto* global = static_cast<Global*>(data); |
| wl_resource* resource = wl_resource_create( |
| client, global->interface_, std::min(version, global->version_), id); |
| if (!resource) { |
| wl_client_post_no_memory(client); |
| return; |
| } |
| if (!global->resource_) |
| global->resource_ = resource; |
| wl_resource_set_implementation(resource, global->implementation_, global, |
| &Global::OnResourceDestroyed); |
| global->OnBind(); |
| } |
| |
| // static |
| void Global::OnResourceDestroyed(wl_resource* resource) { |
| auto* global = static_cast<Global*>(wl_resource_get_user_data(resource)); |
| if (global->resource_ == resource) |
| global->resource_ = nullptr; |
| } |
| |
| MockCompositor::MockCompositor() |
| : Global(&wl_compositor_interface, &compositor_impl, kCompositorVersion) {} |
| |
| MockCompositor::~MockCompositor() {} |
| |
| void MockCompositor::AddSurface(std::unique_ptr<MockSurface> surface) { |
| surfaces_.push_back(std::move(surface)); |
| } |
| |
| MockOutput::MockOutput() |
| : Global(&wl_output_interface, nullptr, kOutputVersion) {} |
| |
| MockOutput::~MockOutput() {} |
| |
| // Notify clients of the change for output position. |
| void MockOutput::OnBind() { |
| const char* kUnknownMake = "unknown"; |
| const char* kUnknownModel = "unknown"; |
| wl_output_send_geometry(resource(), rect_.x(), rect_.y(), 0, 0, 0, |
| kUnknownMake, kUnknownModel, 0); |
| wl_output_send_mode(resource(), WL_OUTPUT_MODE_CURRENT, rect_.width(), |
| rect_.height(), 0); |
| } |
| |
| MockSeat::MockSeat() : Global(&wl_seat_interface, &seat_impl, kSeatVersion) {} |
| |
| MockSeat::~MockSeat() {} |
| |
| MockXdgShell::MockXdgShell() |
| : Global(&xdg_shell_interface, &xdg_shell_impl, kXdgShellVersion) {} |
| |
| MockXdgShell::~MockXdgShell() {} |
| |
| MockXdgShellV6::MockXdgShellV6() |
| : Global(&zxdg_shell_v6_interface, &zxdg_shell_v6_impl, kXdgShellVersion) {} |
| |
| MockXdgShellV6::~MockXdgShellV6() {} |
| |
| void DisplayDeleter::operator()(wl_display* display) { |
| wl_display_destroy(display); |
| } |
| |
| FakeServer::FakeServer() |
| : Thread("fake_wayland_server"), |
| pause_event_(base::WaitableEvent::ResetPolicy::AUTOMATIC, |
| base::WaitableEvent::InitialState::NOT_SIGNALED), |
| resume_event_(base::WaitableEvent::ResetPolicy::AUTOMATIC, |
| base::WaitableEvent::InitialState::NOT_SIGNALED), |
| controller_(FROM_HERE) {} |
| |
| FakeServer::~FakeServer() { |
| Resume(); |
| Stop(); |
| } |
| |
| bool FakeServer::Start(uint32_t shell_version) { |
| display_.reset(wl_display_create()); |
| if (!display_) |
| return false; |
| event_loop_ = wl_display_get_event_loop(display_.get()); |
| |
| int fd[2]; |
| if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, fd) < 0) |
| return false; |
| base::ScopedFD server_fd(fd[0]); |
| base::ScopedFD client_fd(fd[1]); |
| |
| if (wl_display_init_shm(display_.get()) < 0) |
| return false; |
| if (!compositor_.Initialize(display_.get())) |
| return false; |
| if (!output_.Initialize(display_.get())) |
| return false; |
| if (!seat_.Initialize(display_.get())) |
| return false; |
| if (shell_version == 5) { |
| if (!xdg_shell_.Initialize(display_.get())) |
| return false; |
| } else { |
| if (!zxdg_shell_v6_.Initialize(display_.get())) |
| return false; |
| } |
| |
| client_ = wl_client_create(display_.get(), server_fd.get()); |
| if (!client_) |
| return false; |
| (void)server_fd.release(); |
| |
| base::Thread::Options options; |
| options.message_pump_factory = |
| base::Bind(&FakeServer::CreateMessagePump, base::Unretained(this)); |
| if (!base::Thread::StartWithOptions(options)) |
| return false; |
| |
| setenv("WAYLAND_SOCKET", base::UintToString(client_fd.release()).c_str(), 1); |
| |
| return true; |
| } |
| |
| void FakeServer::Pause() { |
| task_runner()->PostTask( |
| FROM_HERE, base::Bind(&FakeServer::DoPause, base::Unretained(this))); |
| pause_event_.Wait(); |
| } |
| |
| void FakeServer::Resume() { |
| if (display_) |
| wl_display_flush_clients(display_.get()); |
| resume_event_.Signal(); |
| } |
| |
| void FakeServer::DoPause() { |
| base::RunLoop().RunUntilIdle(); |
| pause_event_.Signal(); |
| resume_event_.Wait(); |
| } |
| |
| std::unique_ptr<base::MessagePump> FakeServer::CreateMessagePump() { |
| auto pump = base::WrapUnique(new base::MessagePumpLibevent); |
| pump->WatchFileDescriptor(wl_event_loop_get_fd(event_loop_), true, |
| base::MessagePumpLibevent::WATCH_READ, &controller_, |
| this); |
| return std::move(pump); |
| } |
| |
| void FakeServer::OnFileCanReadWithoutBlocking(int fd) { |
| wl_event_loop_dispatch(event_loop_, 0); |
| wl_display_flush_clients(display_.get()); |
| } |
| |
| void FakeServer::OnFileCanWriteWithoutBlocking(int fd) {} |
| |
| } // namespace wl |