1 files changed, 130 insertions, 0 deletions
diff --git a/widget/gtk/nsWaylandDisplay.h b/widget/gtk/nsWaylandDisplay.h
new file mode 100644
index 0000000000..5c0f00794b
--- /dev/null
+++ b/widget/gtk/nsWaylandDisplay.h
@@ -0,0 +1,130 @@
+/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=2:tabstop=2:
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef __MOZ_WAYLAND_DISPLAY_H__
+#define __MOZ_WAYLAND_DISPLAY_H__
+
+#include "DMABufLibWrapper.h"
+
+#include "mozilla/widget/mozwayland.h"
+#include "mozilla/widget/gbm.h"
+#include "mozilla/widget/idle-inhibit-unstable-v1-client-protocol.h"
+#include "mozilla/widget/relative-pointer-unstable-v1-client-protocol.h"
+#include "mozilla/widget/pointer-constraints-unstable-v1-client-protocol.h"
+#include "mozilla/widget/linux-dmabuf-unstable-v1-client-protocol.h"
+#include "mozilla/widget/viewporter-client-protocol.h"
+#include "mozilla/widget/xdg-activation-v1-client-protocol.h"
+#include "mozilla/widget/xdg-output-unstable-v1-client-protocol.h"
+
+namespace mozilla {
+namespace widget {
+
+// Our general connection to Wayland display server,
+// holds our display connection and runs event loop.
+// We have a global nsWaylandDisplay object for each thread.
+class nsWaylandDisplay {
+ public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(nsWaylandDisplay)
+
+  // Create nsWaylandDisplay object on top of native Wayland wl_display
+  // connection.
+  explicit nsWaylandDisplay(wl_display* aDisplay);
+
+  bool DispatchEventQueue();
+
+  void SyncBegin();
+  void QueueSyncBegin();
+  void SyncEnd();
+  void WaitForSyncEnd();
+
+  bool Matches(wl_display* aDisplay);
+
+  wl_display* GetDisplay() { return mDisplay; };
+  wl_event_queue* GetEventQueue() { return mEventQueue; };
+  wl_compositor* GetCompositor() { return mCompositor; };
+  wl_subcompositor* GetSubcompositor() { return mSubcompositor; };
+  wl_shm* GetShm() { return mShm; };
+  zwp_idle_inhibit_manager_v1* GetIdleInhibitManager() {
+    return mIdleInhibitManager;
+  }
+  wp_viewporter* GetViewporter() { return mViewporter; };
+  zwp_relative_pointer_manager_v1* GetRelativePointerManager() {
+    return mRelativePointerManager;
+  }
+  zwp_pointer_constraints_v1* GetPointerConstraints() {
+    return mPointerConstraints;
+  }
+  zwp_linux_dmabuf_v1* GetDmabuf() { return mDmabuf; };
+  xdg_activation_v1* GetXdgActivation() { return mXdgActivation; };
+
+  bool IsMainThreadDisplay() { return mEventQueue == nullptr; }
+
+  void SetShm(wl_shm* aShm);
+  void SetCompositor(wl_compositor* aCompositor);
+  void SetSubcompositor(wl_subcompositor* aSubcompositor);
+  void SetDataDeviceManager(wl_data_device_manager* aDataDeviceManager);
+  void SetIdleInhibitManager(zwp_idle_inhibit_manager_v1* aIdleInhibitManager);
+  void SetViewporter(wp_viewporter* aViewporter);
+  void SetRelativePointerManager(
+      zwp_relative_pointer_manager_v1* aRelativePointerManager);
+  void SetPointerConstraints(zwp_pointer_constraints_v1* aPointerConstraints);
+  void SetDmabuf(zwp_linux_dmabuf_v1* aDmabuf);
+  void SetXdgActivation(xdg_activation_v1* aXdgActivation);
+
+  bool IsExplicitSyncEnabled() { return mExplicitSync; }
+
+ private:
+  ~nsWaylandDisplay();
+
+  PRThread* mThreadId = nullptr;
+  wl_display* mDisplay = nullptr;
+  wl_event_queue* mEventQueue = nullptr;
+  wl_compositor* mCompositor = nullptr;
+  wl_subcompositor* mSubcompositor = nullptr;
+  wl_shm* mShm = nullptr;
+  wl_callback* mSyncCallback = nullptr;
+  zwp_idle_inhibit_manager_v1* mIdleInhibitManager = nullptr;
+  zwp_relative_pointer_manager_v1* mRelativePointerManager = nullptr;
+  zwp_pointer_constraints_v1* mPointerConstraints = nullptr;
+  wp_viewporter* mViewporter = nullptr;
+  zwp_linux_dmabuf_v1* mDmabuf = nullptr;
+  xdg_activation_v1* mXdgActivation = nullptr;
+  bool mExplicitSync = false;
+};
+
+void WaylandDispatchDisplays();
+void WaylandDisplayRelease();
+
+RefPtr<nsWaylandDisplay> WaylandDisplayGet(GdkDisplay* aGdkDisplay = nullptr);
+wl_display* WaylandDisplayGetWLDisplay(GdkDisplay* aGdkDisplay = nullptr);
+
+}  // namespace widget
+}  // namespace mozilla
+
+template <class T>
+static inline T* WaylandRegistryBind(struct wl_registry* wl_registry,
+                                     uint32_t name,
+                                     const struct wl_interface* interface,
+                                     uint32_t version) {
+  struct wl_proxy* id;
+
+  // When libwayland-client does not provide this symbol, it will be
+  // linked to the fallback in libmozwayland, which returns NULL.
+  id = wl_proxy_marshal_constructor_versioned(
+      (struct wl_proxy*)wl_registry, WL_REGISTRY_BIND, interface, version, name,
+      interface->name, version, nullptr);
+
+  if (id == nullptr) {
+    id = wl_proxy_marshal_constructor((struct wl_proxy*)wl_registry,
+                                      WL_REGISTRY_BIND, interface, name,
+                                      interface->name, version, nullptr);
+  }
+
+  return reinterpret_cast<T*>(id);
+}
+
+#endif  // __MOZ_WAYLAND_DISPLAY_H__