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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "ui/ozone/platform/wayland/fake_server.h" |
| 6 |
| 7 #include <sys/socket.h> |
| 8 #include <wayland-server.h> |
| 9 #include <xdg-shell-unstable-v5-server-protocol.h> |
| 10 |
| 11 #include "base/bind.h" |
| 12 #include "base/files/scoped_file.h" |
| 13 |
| 14 namespace wl { |
| 15 namespace { |
| 16 |
| 17 template <class T> |
| 18 void Delete(wl_resource* resource) { |
| 19 delete static_cast<T*>(wl_resource_get_user_data(resource)); |
| 20 } |
| 21 |
| 22 void DestroyResource(wl_client* client, wl_resource* resource) { |
| 23 wl_resource_destroy(resource); |
| 24 } |
| 25 |
| 26 // wl_surface |
| 27 |
| 28 void Attach(wl_client* client, |
| 29 wl_resource* resource, |
| 30 wl_resource* buffer_resource, |
| 31 int32_t x, |
| 32 int32_t y) { |
| 33 auto obj = static_cast<FakeSurface*>(wl_resource_get_user_data(resource)); |
| 34 if (obj->mock) |
| 35 obj->mock->Attach(buffer_resource, x, y); |
| 36 } |
| 37 |
| 38 void Damage(wl_client* client, |
| 39 wl_resource* resource, |
| 40 int32_t x, |
| 41 int32_t y, |
| 42 int32_t width, |
| 43 int32_t height) { |
| 44 auto obj = static_cast<FakeSurface*>(wl_resource_get_user_data(resource)); |
| 45 if (obj->mock) |
| 46 obj->mock->Damage(x, y, width, height); |
| 47 } |
| 48 |
| 49 void Commit(wl_client* client, wl_resource* resource) { |
| 50 auto obj = static_cast<FakeSurface*>(wl_resource_get_user_data(resource)); |
| 51 if (obj->mock) |
| 52 obj->mock->Commit(); |
| 53 } |
| 54 |
| 55 const struct wl_surface_interface surface_impl = { |
| 56 &DestroyResource, &Attach, &Damage, |
| 57 nullptr, // frame |
| 58 nullptr, // set_opaque_region |
| 59 nullptr, // set_input_region |
| 60 &Commit, |
| 61 nullptr, // set_buffer_transform |
| 62 nullptr, // set_buffer_scale |
| 63 }; |
| 64 |
| 65 // wl_compositor |
| 66 |
| 67 void CreateSurface(wl_client* client, wl_resource* resource, uint32_t id) { |
| 68 wl_resource* surface_resource = |
| 69 wl_resource_create(client, &wl_surface_interface, 4, id); |
| 70 if (!surface_resource) { |
| 71 wl_client_post_no_memory(client); |
| 72 return; |
| 73 } |
| 74 wl_resource_set_implementation(surface_resource, &surface_impl, |
| 75 new FakeSurface(surface_resource), |
| 76 &Delete<FakeSurface>); |
| 77 } |
| 78 |
| 79 const struct wl_compositor_interface compositor_impl = { |
| 80 &CreateSurface, |
| 81 nullptr, // create_region |
| 82 }; |
| 83 |
| 84 // xdg_surface |
| 85 |
| 86 void SetTitle(wl_client* client, wl_resource* resource, const char* title) { |
| 87 auto obj = static_cast<FakeXdgSurface*>(wl_resource_get_user_data(resource)); |
| 88 if (obj->mock) |
| 89 obj->mock->SetTitle(title); |
| 90 } |
| 91 |
| 92 void SetAppId(wl_client* client, wl_resource* resource, const char* app_id) { |
| 93 auto obj = static_cast<FakeXdgSurface*>(wl_resource_get_user_data(resource)); |
| 94 if (obj->mock) |
| 95 obj->mock->SetAppId(app_id); |
| 96 } |
| 97 |
| 98 void AckConfigure(wl_client* client, wl_resource* resource, uint32_t serial) { |
| 99 auto obj = static_cast<FakeXdgSurface*>(wl_resource_get_user_data(resource)); |
| 100 if (obj->mock) |
| 101 obj->mock->AckConfigure(serial); |
| 102 } |
| 103 |
| 104 void SetMaximized(wl_client* client, wl_resource* resource) { |
| 105 auto obj = static_cast<FakeXdgSurface*>(wl_resource_get_user_data(resource)); |
| 106 if (obj->mock) |
| 107 obj->mock->SetMaximized(); |
| 108 } |
| 109 |
| 110 void UnsetMaximized(wl_client* client, wl_resource* resource) { |
| 111 auto obj = static_cast<FakeXdgSurface*>(wl_resource_get_user_data(resource)); |
| 112 if (obj->mock) |
| 113 obj->mock->UnsetMaximized(); |
| 114 } |
| 115 |
| 116 void SetMinimized(wl_client* client, wl_resource* resource) { |
| 117 auto obj = static_cast<FakeXdgSurface*>(wl_resource_get_user_data(resource)); |
| 118 if (obj->mock) |
| 119 obj->mock->SetMinimized(); |
| 120 } |
| 121 |
| 122 const struct xdg_surface_interface xdg_surface_impl = { |
| 123 &DestroyResource, |
| 124 nullptr, // set_parent |
| 125 &SetTitle, &SetAppId, |
| 126 nullptr, // show_window_menu |
| 127 nullptr, // move |
| 128 nullptr, // resize |
| 129 &AckConfigure, |
| 130 nullptr, // set_window_geometry |
| 131 &SetMaximized, &UnsetMaximized, |
| 132 nullptr, // set_fullscreen |
| 133 nullptr, // unset_fullscreen |
| 134 &SetMinimized, |
| 135 }; |
| 136 |
| 137 // xdg_shell |
| 138 |
| 139 void UseUnstableVersion(wl_client* client, |
| 140 wl_resource* resource, |
| 141 int32_t version) { |
| 142 auto mock = static_cast<MockXdgShell*>(wl_resource_get_user_data(resource)); |
| 143 if (mock) |
| 144 mock->UseUnstableVersion(version); |
| 145 } |
| 146 |
| 147 void GetXdgSurface(wl_client* client, |
| 148 wl_resource* resource, |
| 149 uint32_t id, |
| 150 wl_resource* surface_resource) { |
| 151 auto surface = |
| 152 static_cast<FakeSurface*>(wl_resource_get_user_data(surface_resource)); |
| 153 if (surface->xdg_surface) { |
| 154 wl_resource_post_error(resource, XDG_SHELL_ERROR_ROLE, |
| 155 "surface already has a role"); |
| 156 return; |
| 157 } |
| 158 wl_resource* xdg_surface_resource = |
| 159 wl_resource_create(client, &xdg_surface_interface, 1, id); |
| 160 if (!xdg_surface_resource) { |
| 161 wl_client_post_no_memory(client); |
| 162 return; |
| 163 } |
| 164 wl_resource_set_implementation( |
| 165 xdg_surface_resource, &xdg_surface_impl, |
| 166 new FakeXdgSurface(xdg_surface_resource, surface), |
| 167 &Delete<FakeXdgSurface>); |
| 168 } |
| 169 |
| 170 void Pong(wl_client* client, wl_resource* resource, uint32_t serial) { |
| 171 auto mock = static_cast<MockXdgShell*>(wl_resource_get_user_data(resource)); |
| 172 if (mock) |
| 173 mock->Pong(serial); |
| 174 } |
| 175 |
| 176 const struct xdg_shell_interface xdg_shell_impl = { |
| 177 &DestroyResource, |
| 178 &UseUnstableVersion, |
| 179 &GetXdgSurface, |
| 180 nullptr, // get_xdg_popup |
| 181 &Pong, |
| 182 }; |
| 183 |
| 184 } // namespace |
| 185 |
| 186 MockSurface::MockSurface() {} |
| 187 |
| 188 MockSurface::~MockSurface() {} |
| 189 |
| 190 MockXdgShell::MockXdgShell() {} |
| 191 |
| 192 MockXdgShell::~MockXdgShell() {} |
| 193 |
| 194 MockXdgSurface::MockXdgSurface() {} |
| 195 |
| 196 MockXdgSurface::~MockXdgSurface() {} |
| 197 |
| 198 FakeSurface::FakeSurface(wl_resource* resource) : resource(resource) {} |
| 199 |
| 200 FakeSurface::~FakeSurface() { |
| 201 if (xdg_surface) |
| 202 wl_resource_destroy(xdg_surface->resource); |
| 203 } |
| 204 |
| 205 // static |
| 206 FakeSurface* FakeSurface::FromResource(wl_resource* resource) { |
| 207 if (!wl_resource_instance_of(resource, &wl_surface_interface, &surface_impl)) |
| 208 return nullptr; |
| 209 return static_cast<FakeSurface*>(wl_resource_get_user_data(resource)); |
| 210 } |
| 211 |
| 212 FakeXdgSurface::FakeXdgSurface(wl_resource* resource, FakeSurface* surface) |
| 213 : resource(resource), surface(surface) { |
| 214 surface->xdg_surface = this; |
| 215 } |
| 216 |
| 217 FakeXdgSurface::~FakeXdgSurface() { |
| 218 surface->xdg_surface = nullptr; |
| 219 } |
| 220 |
| 221 void GlobalDeleter::operator()(wl_global* global) { |
| 222 wl_global_destroy(global); |
| 223 } |
| 224 |
| 225 Global::Global(const wl_interface* interface, |
| 226 const void* implementation, |
| 227 uint32_t version, |
| 228 void* data) |
| 229 : interface_(interface), |
| 230 implementation_(implementation), |
| 231 version_(version), |
| 232 data_(data) {} |
| 233 |
| 234 Global::~Global() {} |
| 235 |
| 236 bool Global::Initialize(wl_display* display) { |
| 237 global_.reset(wl_global_create(display, interface_, version_, this, &Bind)); |
| 238 return global_; |
| 239 } |
| 240 |
| 241 // static |
| 242 void Global::Bind(wl_client* client, |
| 243 void* data, |
| 244 uint32_t version, |
| 245 uint32_t id) { |
| 246 auto global = static_cast<Global*>(data); |
| 247 wl_resource* resource = |
| 248 wl_resource_create(client, global->interface_, global->version_, id); |
| 249 if (!resource) { |
| 250 wl_client_post_no_memory(client); |
| 251 return; |
| 252 } |
| 253 if (!global->resource_) |
| 254 global->resource_ = resource; |
| 255 wl_resource_set_implementation(resource, global->implementation_, |
| 256 global->data_, nullptr); |
| 257 } |
| 258 |
| 259 void DisplayDeleter::operator()(wl_display* display) { |
| 260 wl_display_destroy(display); |
| 261 } |
| 262 |
| 263 FakeServer::FakeServer(MockXdgShell* xdg_shell_mock) |
| 264 : Thread("fake_wayland_server"), |
| 265 compositor_(&wl_compositor_interface, &compositor_impl, 4, nullptr), |
| 266 xdg_shell_(&xdg_shell_interface, &xdg_shell_impl, 1, xdg_shell_mock) {} |
| 267 |
| 268 FakeServer::~FakeServer() { |
| 269 Stop(); |
| 270 } |
| 271 |
| 272 bool FakeServer::Start() { |
| 273 display_.reset(wl_display_create()); |
| 274 if (!display_) |
| 275 return false; |
| 276 event_loop_ = wl_display_get_event_loop(display_.get()); |
| 277 |
| 278 int fd[2]; |
| 279 if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, fd) < 0) |
| 280 return false; |
| 281 base::ScopedFD server_fd(fd[0]); |
| 282 base::ScopedFD client_fd(fd[1]); |
| 283 |
| 284 if (wl_display_init_shm(display_.get()) < 0) |
| 285 return false; |
| 286 if (!compositor_.Initialize(display_.get())) |
| 287 return false; |
| 288 if (!xdg_shell_.Initialize(display_.get())) |
| 289 return false; |
| 290 |
| 291 client_ = wl_client_create(display_.get(), server_fd.get()); |
| 292 if (!client_) |
| 293 return false; |
| 294 (void)server_fd.release(); |
| 295 |
| 296 base::Thread::Options options; |
| 297 options.message_pump_factory = |
| 298 base::Bind(&FakeServer::CreateMessagePump, base::Unretained(this)); |
| 299 if (!base::Thread::StartWithOptions(options)) |
| 300 return false; |
| 301 |
| 302 setenv("WAYLAND_SOCKET", std::to_string(client_fd.release()).c_str(), 1); |
| 303 |
| 304 return true; |
| 305 } |
| 306 |
| 307 void FakeServer::Flush() { |
| 308 wl_display_flush_clients(display_.get()); |
| 309 } |
| 310 |
| 311 scoped_ptr<base::MessagePump> FakeServer::CreateMessagePump() { |
| 312 auto pump = make_scoped_ptr(new base::MessagePumpLibevent); |
| 313 pump->WatchFileDescriptor(wl_event_loop_get_fd(event_loop_), true, |
| 314 base::MessagePumpLibevent::WATCH_READ, &controller_, |
| 315 this); |
| 316 return std::move(pump); |
| 317 } |
| 318 |
| 319 void FakeServer::OnFileCanReadWithoutBlocking(int fd) { |
| 320 wl_event_loop_dispatch(event_loop_, 0); |
| 321 wl_display_flush_clients(display_.get()); |
| 322 } |
| 323 |
| 324 void FakeServer::OnFileCanWriteWithoutBlocking(int fd) {} |
| 325 |
| 326 } // namespace wl |
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