Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 185 insertions, 0 deletions

diff --git a/widget/gtk/nsWaylandDisplay.cpp b/widget/gtk/nsWaylandDisplay.cpp
new file mode 100644
index 0000000000..0fc7433539
--- /dev/null
+++ b/widget/gtk/nsWaylandDisplay.cpp
@@ -0,0 +1,185 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#include "nsWaylandDisplay.h"
+
+#include <dlfcn.h>
+
+#include "base/message_loop.h"    // for MessageLoop
+#include "base/task.h"            // for NewRunnableMethod, etc
+#include "mozilla/gfx/Logging.h"  // for gfxCriticalNote
+#include "mozilla/StaticMutex.h"
+#include "mozilla/Array.h"
+#include "mozilla/StaticPtr.h"
+#include "mozilla/ThreadLocal.h"
+#include "mozilla/StaticPrefs_widget.h"
+#include "mozilla/Sprintf.h"
+#include "WidgetUtilsGtk.h"
+#include "nsGtkKeyUtils.h"
+
+namespace mozilla::widget {
+
+static nsWaylandDisplay* gWaylandDisplay;
+
+void WaylandDisplayRelease() {
+  MOZ_RELEASE_ASSERT(NS_IsMainThread(),
+                     "WaylandDisplay can be released in main thread only!");
+  if (!gWaylandDisplay) {
+    NS_WARNING("WaylandDisplayRelease(): Wayland display is missing!");
+    return;
+  }
+  delete gWaylandDisplay;
+  gWaylandDisplay = nullptr;
+}
+
+wl_display* WaylandDisplayGetWLDisplay() {
+  GdkDisplay* disp = gdk_display_get_default();
+  if (!GdkIsWaylandDisplay(disp)) {
+    return nullptr;
+  }
+  return gdk_wayland_display_get_wl_display(disp);
+}
+
+nsWaylandDisplay* WaylandDisplayGet() {
+  if (!gWaylandDisplay) {
+    MOZ_RELEASE_ASSERT(NS_IsMainThread(),
+                       "WaylandDisplay can be created in main thread only!");
+    wl_display* waylandDisplay = WaylandDisplayGetWLDisplay();
+    if (!waylandDisplay) {
+      return nullptr;
+    }
+    gWaylandDisplay = new nsWaylandDisplay(waylandDisplay);
+  }
+  return gWaylandDisplay;
+}
+
+void nsWaylandDisplay::SetShm(wl_shm* aShm) { mShm = aShm; }
+
+void nsWaylandDisplay::SetCompositor(wl_compositor* aCompositor) {
+  mCompositor = aCompositor;
+}
+
+void nsWaylandDisplay::SetSubcompositor(wl_subcompositor* aSubcompositor) {
+  mSubcompositor = aSubcompositor;
+}
+
+void nsWaylandDisplay::SetIdleInhibitManager(
+    zwp_idle_inhibit_manager_v1* aIdleInhibitManager) {
+  mIdleInhibitManager = aIdleInhibitManager;
+}
+
+void nsWaylandDisplay::SetViewporter(wp_viewporter* aViewporter) {
+  mViewporter = aViewporter;
+}
+
+void nsWaylandDisplay::SetRelativePointerManager(
+    zwp_relative_pointer_manager_v1* aRelativePointerManager) {
+  mRelativePointerManager = aRelativePointerManager;
+}
+
+void nsWaylandDisplay::SetPointerConstraints(
+    zwp_pointer_constraints_v1* aPointerConstraints) {
+  mPointerConstraints = aPointerConstraints;
+}
+
+void nsWaylandDisplay::SetDmabuf(zwp_linux_dmabuf_v1* aDmabuf) {
+  mDmabuf = aDmabuf;
+}
+
+void nsWaylandDisplay::SetXdgActivation(xdg_activation_v1* aXdgActivation) {
+  mXdgActivation = aXdgActivation;
+}
+
+static void global_registry_handler(void* data, wl_registry* registry,
+                                    uint32_t id, const char* interface,
+                                    uint32_t version) {
+  auto* display = static_cast<nsWaylandDisplay*>(data);
+  if (!display) {
+    return;
+  }
+
+  if (strcmp(interface, "wl_shm") == 0) {
+    auto* shm = WaylandRegistryBind<wl_shm>(registry, id, &wl_shm_interface, 1);
+    display->SetShm(shm);
+  } else if (strcmp(interface, "zwp_idle_inhibit_manager_v1") == 0) {
+    auto* idle_inhibit_manager =
+        WaylandRegistryBind<zwp_idle_inhibit_manager_v1>(
+            registry, id, &zwp_idle_inhibit_manager_v1_interface, 1);
+    display->SetIdleInhibitManager(idle_inhibit_manager);
+  } else if (strcmp(interface, "zwp_relative_pointer_manager_v1") == 0) {
+    auto* relative_pointer_manager =
+        WaylandRegistryBind<zwp_relative_pointer_manager_v1>(
+            registry, id, &zwp_relative_pointer_manager_v1_interface, 1);
+    display->SetRelativePointerManager(relative_pointer_manager);
+  } else if (strcmp(interface, "zwp_pointer_constraints_v1") == 0) {
+    auto* pointer_constraints = WaylandRegistryBind<zwp_pointer_constraints_v1>(
+        registry, id, &zwp_pointer_constraints_v1_interface, 1);
+    display->SetPointerConstraints(pointer_constraints);
+  } else if (strcmp(interface, "wl_compositor") == 0) {
+    // Requested wl_compositor version 4 as we need wl_surface_damage_buffer().
+    auto* compositor = WaylandRegistryBind<wl_compositor>(
+        registry, id, &wl_compositor_interface, 4);
+    display->SetCompositor(compositor);
+  } else if (strcmp(interface, "wl_subcompositor") == 0) {
+    auto* subcompositor = WaylandRegistryBind<wl_subcompositor>(
+        registry, id, &wl_subcompositor_interface, 1);
+    display->SetSubcompositor(subcompositor);
+  } else if (strcmp(interface, "wp_viewporter") == 0) {
+    auto* viewporter = WaylandRegistryBind<wp_viewporter>(
+        registry, id, &wp_viewporter_interface, 1);
+    display->SetViewporter(viewporter);
+  } else if (strcmp(interface, "zwp_linux_dmabuf_v1") == 0 && version > 2) {
+    auto* dmabuf = WaylandRegistryBind<zwp_linux_dmabuf_v1>(
+        registry, id, &zwp_linux_dmabuf_v1_interface, 3);
+    display->SetDmabuf(dmabuf);
+  } else if (strcmp(interface, "xdg_activation_v1") == 0) {
+    auto* activation = WaylandRegistryBind<xdg_activation_v1>(
+        registry, id, &xdg_activation_v1_interface, 1);
+    display->SetXdgActivation(activation);
+    // Install keyboard handlers for main thread only
+  } else if (strcmp(interface, "wl_seat") == 0) {
+    auto* seat =
+        WaylandRegistryBind<wl_seat>(registry, id, &wl_seat_interface, 1);
+    KeymapWrapper::SetSeat(seat, id);
+  }
+}
+
+static void global_registry_remover(void* data, wl_registry* registry,
+                                    uint32_t id) {
+  KeymapWrapper::ClearSeat(id);
+}
+
+static const struct wl_registry_listener registry_listener = {
+    global_registry_handler, global_registry_remover};
+
+nsWaylandDisplay::~nsWaylandDisplay() {}
+
+static void WlLogHandler(const char* format, va_list args) {
+  char error[1000];
+  VsprintfLiteral(error, format, args);
+  gfxCriticalNote << "Wayland protocol error: " << error;
+}
+
+nsWaylandDisplay::nsWaylandDisplay(wl_display* aDisplay)
+    : mThreadId(PR_GetCurrentThread()), mDisplay(aDisplay) {
+  // GTK sets the log handler on display creation, thus we overwrite it here
+  // in a similar fashion
+  wl_log_set_handler_client(WlLogHandler);
+
+  mRegistry = wl_display_get_registry(mDisplay);
+  wl_registry_add_listener(mRegistry, &registry_listener, this);
+  wl_display_roundtrip(mDisplay);
+  wl_display_roundtrip(mDisplay);
+
+  // Check we have critical Wayland interfaces.
+  // Missing ones indicates a compositor bug and we can't continue.
+  MOZ_DIAGNOSTIC_ASSERT(GetShm(), "We're missing shm interface!");
+  MOZ_DIAGNOSTIC_ASSERT(GetCompositor(), "We're missing compositor interface!");
+  MOZ_DIAGNOSTIC_ASSERT(GetSubcompositor(),
+                        "We're missing subcompositor interface!");
+}
+
+}  // namespace mozilla::widget