components: Add Exosphere component.

components/exo/wayland/server.cc

+// 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 <wayland-server-core.h>
+#include <wayland-server-protocol-core.h>
+
+#include <algorithm>
+
+#include "base/bind.h"
+#include "base/cancelable_callback.h"
+#include "base/strings/utf_string_conversions.h"
+#include "cc/base/region.h"
+#include "components/exo/buffer.h"
+#include "components/exo/display.h"
+#include "components/exo/shared_memory.h"
+#include "components/exo/shell_surface.h"
+#include "components/exo/surface.h"
+
+namespace exo {
+namespace wayland {
+namespace {
+
+#include "components/exo/wayland/wayland_bindings.h"
+
+}  // namespace
+
+////////////////////////////////////////////////////////////////////////////////
+// Server, public:
+
+Server::Server(Display* display)
+    : display_(display), wl_display_(wl_display_create()) {
+  wl_global_create(wl_display_.get(), &wl_compositor_interface,
+                   compositor_version, display_, bind_compositor);
+  wl_global_create(wl_display_.get(), &wl_shm_interface, 1, display_, bind_shm);
+  wl_global_create(wl_display_.get(), &wl_shell_interface, 1, display_,
+                   bind_shell);
+}
+
+Server::~Server() {}
+
+// static
+scoped_ptr<Server> Server::Create(Display* display) {
+  scoped_ptr<Server> server(new Server(display));
+  int rv = wl_display_add_socket(server->wl_display_.get(), nullptr);
+  DCHECK_EQ(rv, 0) << "wl_display_add_socket failed: " << rv;
+  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());
+}
+
+}  // namespace wayland
+}  // namespace exo