ozone/platform/wayland: Implement keyboard handling

ui/ozone/platform/wayland/wayland_display.cc

 // 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/wayland_display.h"
 
 #include <xdg-shell-unstable-v5-client-protocol.h>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
+#include "ui/events/ozone/layout/keyboard_layout_engine_manager.h"
 #include "ui/ozone/platform/wayland/wayland_object.h"
 #include "ui/ozone/platform/wayland/wayland_window.h"
 
+#if defined(USE_XKBCOMMON)
+#include "ui/events/ozone/layout/xkb/xkb_keyboard_layout_engine.h"
+#else
+#include "ui/events/ozone/layout/stub/stub_keyboard_layout_engine.h"
+#endif
+
 static_assert(XDG_SHELL_VERSION_CURRENT == 5, "Unsupported xdg-shell version");
 
 namespace ui {
 namespace {
 const uint32_t kMaxCompositorVersion = 4;
 const uint32_t kMaxSeatVersion = 4;
 const uint32_t kMaxShmVersion = 1;
 const uint32_t kMaxXdgShellVersion = 1;
 }  // namespace
 
-WaylandDisplay::WaylandDisplay() {}
+WaylandDisplay::WaylandDisplay() {
+#if defined(USE_XKBCOMMON)
+  KeyboardLayoutEngineManager::SetKeyboardLayoutEngine(
+      make_scoped_ptr(new XkbKeyboardLayoutEngine(codes_)));
+#else
+  KeyboardLayoutEngineManager::SetKeyboardLayoutEngine(
+      make_scoped_ptr(new StubKeyboardLayoutEngine));
+#endif
+}
 
 WaylandDisplay::~WaylandDisplay() {}
 
 bool WaylandDisplay::Initialize() {
   static const wl_registry_listener registry_listener = {
       &WaylandDisplay::Global, &WaylandDisplay::GlobalRemove,
   };
 
   display_.reset(wl_display_connect(nullptr));
   if (!display_) {
@@ skipping 156 matching lines @@
         LOG(ERROR) << "Failed to get wl_pointer from seat";
         return;
       }
       display->pointer_ = make_scoped_ptr(new WaylandPointer(
           pointer, base::Bind(&WaylandDisplay::DispatchUiEvent,
                               base::Unretained(display))));
     }
   } else if (display->pointer_) {
     display->pointer_.reset();
   }
+  if (capabilities & WL_SEAT_CAPABILITY_KEYBOARD) {
+    if (!display->keyboard_) {
+      wl_keyboard* keyboard = wl_seat_get_keyboard(display->seat_.get());
+      if (!keyboard) {
+        LOG(ERROR) << "Failed to get wl_keyboard from seat";
+        return;
+      }
+      display->keyboard_ = make_scoped_ptr(new WaylandKeyboard(
+          keyboard, base::Bind(&WaylandDisplay::DispatchUiEvent,
+                               base::Unretained(display))));
+    }
+  } else if (display->keyboard_) {
+    display->keyboard_.reset();
+  }
   display->ScheduleFlush();
 }
 
 // static
 void WaylandDisplay::Name(void* data, wl_seat* seat, const char* name) {}
 
 // static
 void WaylandDisplay::Ping(void* data, xdg_shell* shell, uint32_t serial) {
   WaylandDisplay* display = static_cast<WaylandDisplay*>(data);
   xdg_shell_pong(shell, serial);
   display->ScheduleFlush();
 }
 
 }  // namespace ui