[mutter] wayland: Split outputs to another file

[Jasper St. Pierre <jstpierre src gnome org>]

commit eaf85ddec998ff1e6a12659385f7fe19d2e0c827
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Tue Apr 22 18:03:40 2014 -0400

    wayland: Split outputs to another file

 src/Makefile.am                    |    2 +
 src/wayland/meta-wayland-outputs.c |  234 ++++++++++++++++++++++++++++++++++++
 src/wayland/meta-wayland-outputs.h |   32 +++++
 src/wayland/meta-wayland.c         |  203 +-------------------------------
 4 files changed, 270 insertions(+), 201 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 2e94283..f60158f 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -237,6 +237,8 @@ libmutter_la_SOURCES =                              \
        wayland/meta-wayland-surface.h          \
        wayland/meta-wayland-types.h            \
        wayland/meta-wayland-versions.h         \
+       wayland/meta-wayland-outputs.c          \
+       wayland/meta-wayland-outputs.h          \
        wayland/window-wayland.c                \
        wayland/window-wayland.h
 
diff --git a/src/wayland/meta-wayland-outputs.c b/src/wayland/meta-wayland-outputs.c
new file mode 100644
index 0000000..8d02cd9
--- /dev/null
+++ b/src/wayland/meta-wayland-outputs.c
@@ -0,0 +1,234 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2014 Red Hat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Written by:
+ *     Jasper St. Pierre <jstpierre mecheye net>
+ */
+
+#include "config.h"
+
+#include "meta-wayland-outputs.h"
+
+#include "meta-wayland-private.h"
+#include "meta-monitor-manager.h"
+
+typedef struct {
+  MetaOutput               *output;
+  struct wl_global         *global;
+  int                       x, y;
+  enum wl_output_transform  transform;
+
+  GList                    *resources;
+} MetaWaylandOutput;
+
+static void
+output_resource_destroy (struct wl_resource *res)
+{
+  MetaWaylandOutput *wayland_output;
+
+  wayland_output = wl_resource_get_user_data (res);
+  wayland_output->resources = g_list_remove (wayland_output->resources, res);
+}
+
+static void
+bind_output (struct wl_client *client,
+             void *data,
+             guint32 version,
+             guint32 id)
+{
+  MetaWaylandOutput *wayland_output = data;
+  MetaOutput *output = wayland_output->output;
+  struct wl_resource *resource;
+  guint mode_flags;
+
+  resource = wl_resource_create (client, &wl_output_interface,
+                                MIN (META_WL_OUTPUT_VERSION, version), id);
+  wayland_output->resources = g_list_prepend (wayland_output->resources, resource);
+
+  wl_resource_set_user_data (resource, wayland_output);
+  wl_resource_set_destructor (resource, output_resource_destroy);
+
+  meta_verbose ("Binding output %p/%s (%u, %u, %u, %u) x %f\n",
+                output, output->name,
+                output->crtc->rect.x, output->crtc->rect.y,
+                output->crtc->rect.width, output->crtc->rect.height,
+                output->crtc->current_mode->refresh_rate);
+
+  wl_resource_post_event (resource,
+                          WL_OUTPUT_GEOMETRY,
+                          (int)output->crtc->rect.x,
+                          (int)output->crtc->rect.y,
+                          output->width_mm,
+                          output->height_mm,
+                          /* Cogl values reflect XRandR values,
+                             and so does wayland */
+                          output->subpixel_order,
+                          output->vendor,
+                          output->product,
+                          output->crtc->transform);
+
+  g_assert (output->crtc->current_mode != NULL);
+
+  mode_flags = WL_OUTPUT_MODE_CURRENT;
+  if (output->crtc->current_mode == output->preferred_mode)
+    mode_flags |= WL_OUTPUT_MODE_PREFERRED;
+
+  wl_resource_post_event (resource,
+                          WL_OUTPUT_MODE,
+                          mode_flags,
+                          (int)output->crtc->current_mode->width,
+                          (int)output->crtc->current_mode->height,
+                          (int)output->crtc->current_mode->refresh_rate);
+
+  if (version >= META_WL_OUTPUT_HAS_DONE)
+    wl_resource_post_event (resource,
+                            WL_OUTPUT_DONE);
+}
+
+static void
+wayland_output_destroy_notify (gpointer data)
+{
+  MetaWaylandOutput *wayland_output = data;
+  GList *resources;
+
+  /* Make sure the destructors don't mess with the list */
+  resources = wayland_output->resources;
+  wayland_output->resources = NULL;
+
+  wl_global_destroy (wayland_output->global);
+  g_list_free (resources);
+
+  g_slice_free (MetaWaylandOutput, wayland_output);
+}
+
+static void
+wayland_output_update_for_output (MetaWaylandOutput *wayland_output,
+                                  MetaOutput        *output)
+{
+  GList *iter;
+  guint mode_flags;
+
+  g_assert (output->crtc->current_mode != NULL);
+
+  mode_flags = WL_OUTPUT_MODE_CURRENT;
+  if (output->crtc->current_mode == output->preferred_mode)
+    mode_flags |= WL_OUTPUT_MODE_PREFERRED;
+
+  for (iter = wayland_output->resources; iter; iter = iter->next)
+    {
+      struct wl_resource *resource = iter->data;
+
+      if (wayland_output->x != output->crtc->rect.x ||
+          wayland_output->y != output->crtc->rect.y ||
+          wayland_output->transform != output->crtc->transform)
+        {
+            wl_resource_post_event (resource,
+                                    WL_OUTPUT_GEOMETRY,
+                                    (int)output->crtc->rect.x,
+                                    (int)output->crtc->rect.y,
+                                    output->width_mm,
+                                    output->height_mm,
+                                    output->subpixel_order,
+                                    output->vendor,
+                                    output->product,
+                                    output->crtc->transform);
+        }
+
+      wl_resource_post_event (resource,
+                              WL_OUTPUT_MODE,
+                              mode_flags,
+                              (int)output->crtc->current_mode->width,
+                              (int)output->crtc->current_mode->height,
+                              (int)output->crtc->current_mode->refresh_rate);
+    }
+
+  /* It's very important that we change the output pointer here, as
+     the old structure is about to be freed by MetaMonitorManager */
+  wayland_output->output = output;
+  wayland_output->x = output->crtc->rect.x;
+  wayland_output->y = output->crtc->rect.y;
+  wayland_output->transform = output->crtc->transform;
+}
+
+static GHashTable *
+meta_wayland_compositor_update_outputs (MetaWaylandCompositor *compositor,
+                                        MetaMonitorManager    *monitors)
+{
+  MetaOutput *outputs;
+  unsigned int i, n_outputs;
+  GHashTable *new_table;
+
+  outputs = meta_monitor_manager_get_outputs (monitors, &n_outputs);
+  new_table = g_hash_table_new_full (NULL, NULL, NULL, wayland_output_destroy_notify);
+
+  for (i = 0; i < n_outputs; i++)
+    {
+      MetaOutput *output = &outputs[i];
+      MetaWaylandOutput *wayland_output;
+
+      /* wayland does not expose disabled outputs */
+      if (output->crtc == NULL)
+        {
+          g_hash_table_remove (compositor->outputs, GSIZE_TO_POINTER (output->output_id));
+          continue;
+        }
+
+      wayland_output = g_hash_table_lookup (compositor->outputs, GSIZE_TO_POINTER (output->output_id));
+
+      if (wayland_output)
+        {
+          g_hash_table_steal (compositor->outputs, GSIZE_TO_POINTER (output->output_id));
+        }
+      else
+        {
+          wayland_output = g_slice_new0 (MetaWaylandOutput);
+          wayland_output->global = wl_global_create (compositor->wayland_display,
+                                                     &wl_output_interface,
+                                                    META_WL_OUTPUT_VERSION,
+                                                     wayland_output, bind_output);
+        }
+
+      wayland_output_update_for_output (wayland_output, output);
+      g_hash_table_insert (new_table, GSIZE_TO_POINTER (output->output_id), wayland_output);
+    }
+
+  g_hash_table_destroy (compositor->outputs);
+  return new_table;
+}
+
+static void
+on_monitors_changed (MetaMonitorManager    *monitors,
+                     MetaWaylandCompositor *compositor)
+{
+  compositor->outputs = meta_wayland_compositor_update_outputs (compositor, monitors);
+}
+
+void
+meta_wayland_outputs_init (MetaWaylandCompositor *compositor)
+{
+  MetaMonitorManager *monitors;
+
+  monitors = meta_monitor_manager_get ();
+  g_signal_connect (monitors, "monitors-changed",
+                    G_CALLBACK (on_monitors_changed), compositor);
+
+  compositor->outputs = g_hash_table_new_full (NULL, NULL, NULL, wayland_output_destroy_notify);
+  compositor->outputs = meta_wayland_compositor_update_outputs (compositor, monitors);
+}
diff --git a/src/wayland/meta-wayland-outputs.h b/src/wayland/meta-wayland-outputs.h
new file mode 100644
index 0000000..0985185
--- /dev/null
+++ b/src/wayland/meta-wayland-outputs.h
@@ -0,0 +1,32 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2014 Red Hat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Written by:
+ *     Jasper St. Pierre <jstpierre mecheye net>
+ */
+
+#ifndef META_WAYLAND_OUTPUTS_H
+#define META_WAYLAND_OUTPUTS_H
+
+#include "meta-wayland-private.h"
+
+void meta_wayland_outputs_init (MetaWaylandCompositor *compositor);
+
+#endif /* META_WAYLAND_OUTPUTS_H */
diff --git a/src/wayland/meta-wayland.c b/src/wayland/meta-wayland.c
index 34be91c..8e90281 100644
--- a/src/wayland/meta-wayland.c
+++ b/src/wayland/meta-wayland.c
@@ -45,6 +45,7 @@
 #include "meta-wayland-seat.h"
 #include "meta-wayland-keyboard.h"
 #include "meta-wayland-pointer.h"
+#include "meta-wayland-outputs.h"
 #include "meta-wayland-data-device.h"
 #include "meta-cursor-tracker-private.h"
 #include "display-private.h"
@@ -52,7 +53,6 @@
 #include <meta/types.h>
 #include <meta/main.h>
 #include "frame.h"
-#include "meta-monitor-manager.h"
 
 static MetaWaylandCompositor _meta_wayland_compositor;
 
@@ -284,190 +284,6 @@ meta_wayland_compositor_create_region (struct wl_client *wayland_client,
   region->region = cairo_region_create ();
 }
 
-typedef struct {
-  MetaOutput               *output;
-  struct wl_global         *global;
-  int                       x, y;
-  enum wl_output_transform  transform;
-
-  GList                    *resources;
-} MetaWaylandOutput;
-
-static void
-output_resource_destroy (struct wl_resource *res)
-{
-  MetaWaylandOutput *wayland_output;
-
-  wayland_output = wl_resource_get_user_data (res);
-  wayland_output->resources = g_list_remove (wayland_output->resources, res);
-}
-
-static void
-bind_output (struct wl_client *client,
-             void *data,
-             guint32 version,
-             guint32 id)
-{
-  MetaWaylandOutput *wayland_output = data;
-  MetaOutput *output = wayland_output->output;
-  struct wl_resource *resource;
-  guint mode_flags;
-
-  resource = wl_resource_create (client, &wl_output_interface,
-                                MIN (META_WL_OUTPUT_VERSION, version), id);
-  wayland_output->resources = g_list_prepend (wayland_output->resources, resource);
-
-  wl_resource_set_user_data (resource, wayland_output);
-  wl_resource_set_destructor (resource, output_resource_destroy);
-
-  meta_verbose ("Binding output %p/%s (%u, %u, %u, %u) x %f\n",
-                output, output->name,
-                output->crtc->rect.x, output->crtc->rect.y,
-                output->crtc->rect.width, output->crtc->rect.height,
-                output->crtc->current_mode->refresh_rate);
-
-  wl_resource_post_event (resource,
-                          WL_OUTPUT_GEOMETRY,
-                          (int)output->crtc->rect.x,
-                          (int)output->crtc->rect.y,
-                          output->width_mm,
-                          output->height_mm,
-                          /* Cogl values reflect XRandR values,
-                             and so does wayland */
-                          output->subpixel_order,
-                          output->vendor,
-                          output->product,
-                          output->crtc->transform);
-
-  g_assert (output->crtc->current_mode != NULL);
-
-  mode_flags = WL_OUTPUT_MODE_CURRENT;
-  if (output->crtc->current_mode == output->preferred_mode)
-    mode_flags |= WL_OUTPUT_MODE_PREFERRED;
-
-  wl_resource_post_event (resource,
-                          WL_OUTPUT_MODE,
-                          mode_flags,
-                          (int)output->crtc->current_mode->width,
-                          (int)output->crtc->current_mode->height,
-                          (int)output->crtc->current_mode->refresh_rate);
-
-  if (version >= META_WL_OUTPUT_HAS_DONE)
-    wl_resource_post_event (resource,
-                            WL_OUTPUT_DONE);
-}
-
-static void
-wayland_output_destroy_notify (gpointer data)
-{
-  MetaWaylandOutput *wayland_output = data;
-  GList *resources;
-
-  /* Make sure the destructors don't mess with the list */
-  resources = wayland_output->resources;
-  wayland_output->resources = NULL;
-
-  wl_global_destroy (wayland_output->global);
-  g_list_free (resources);
-
-  g_slice_free (MetaWaylandOutput, wayland_output);
-}
-
-static void
-wayland_output_update_for_output (MetaWaylandOutput *wayland_output,
-                                  MetaOutput        *output)
-{
-  GList *iter;
-  guint mode_flags;
-
-  g_assert (output->crtc->current_mode != NULL);
-
-  mode_flags = WL_OUTPUT_MODE_CURRENT;
-  if (output->crtc->current_mode == output->preferred_mode)
-    mode_flags |= WL_OUTPUT_MODE_PREFERRED;
-
-  for (iter = wayland_output->resources; iter; iter = iter->next)
-    {
-      struct wl_resource *resource = iter->data;
-
-      if (wayland_output->x != output->crtc->rect.x ||
-          wayland_output->y != output->crtc->rect.y ||
-          wayland_output->transform != output->crtc->transform)
-        {
-            wl_resource_post_event (resource,
-                                    WL_OUTPUT_GEOMETRY,
-                                    (int)output->crtc->rect.x,
-                                    (int)output->crtc->rect.y,
-                                    output->width_mm,
-                                    output->height_mm,
-                                    output->subpixel_order,
-                                    output->vendor,
-                                    output->product,
-                                    output->crtc->transform);
-        }
-
-      wl_resource_post_event (resource,
-                              WL_OUTPUT_MODE,
-                              mode_flags,
-                              (int)output->crtc->current_mode->width,
-                              (int)output->crtc->current_mode->height,
-                              (int)output->crtc->current_mode->refresh_rate);
-    }
-
-  /* It's very important that we change the output pointer here, as
-     the old structure is about to be freed by MetaMonitorManager */
-  wayland_output->output = output;
-  wayland_output->x = output->crtc->rect.x;
-  wayland_output->y = output->crtc->rect.y;
-  wayland_output->transform = output->crtc->transform;
-}
-
-static GHashTable *
-meta_wayland_compositor_update_outputs (MetaWaylandCompositor *compositor,
-                                        MetaMonitorManager    *monitors)
-{
-  MetaOutput *outputs;
-  unsigned int i, n_outputs;
-  GHashTable *new_table;
-
-  outputs = meta_monitor_manager_get_outputs (monitors, &n_outputs);
-  new_table = g_hash_table_new_full (NULL, NULL, NULL, wayland_output_destroy_notify);
-
-  for (i = 0; i < n_outputs; i++)
-    {
-      MetaOutput *output = &outputs[i];
-      MetaWaylandOutput *wayland_output;
-
-      /* wayland does not expose disabled outputs */
-      if (output->crtc == NULL)
-        {
-          g_hash_table_remove (compositor->outputs, GSIZE_TO_POINTER (output->output_id));
-          continue;
-        }
-
-      wayland_output = g_hash_table_lookup (compositor->outputs, GSIZE_TO_POINTER (output->output_id));
-
-      if (wayland_output)
-        {
-          g_hash_table_steal (compositor->outputs, GSIZE_TO_POINTER (output->output_id));
-        }
-      else
-        {
-          wayland_output = g_slice_new0 (MetaWaylandOutput);
-          wayland_output->global = wl_global_create (compositor->wayland_display,
-                                                     &wl_output_interface,
-                                                    META_WL_OUTPUT_VERSION,
-                                                     wayland_output, bind_output);
-        }
-
-      wayland_output_update_for_output (wayland_output, output);
-      g_hash_table_insert (new_table, GSIZE_TO_POINTER (output->output_id), wayland_output);
-    }
-
-  g_hash_table_destroy (compositor->outputs);
-  return new_table;
-}
-
 const static struct wl_compositor_interface meta_wayland_compositor_interface = {
   meta_wayland_compositor_create_surface,
   meta_wayland_compositor_create_region
@@ -533,13 +349,6 @@ meta_wayland_compositor_handle_event (MetaWaylandCompositor *compositor,
 }
 
 static void
-on_monitors_changed (MetaMonitorManager    *monitors,
-                     MetaWaylandCompositor *compositor)
-{
-  compositor->outputs = meta_wayland_compositor_update_outputs (compositor, monitors);
-}
-
-static void
 set_gnome_env (const char *name,
               const char *value)
 {
@@ -582,7 +391,6 @@ void
 meta_wayland_init (void)
 {
   MetaWaylandCompositor *compositor = &_meta_wayland_compositor;
-  MetaMonitorManager *monitors;
 
   memset (compositor, 0, sizeof (MetaWaylandCompositor));
 
@@ -618,18 +426,11 @@ meta_wayland_init (void)
   g_source_set_priority (compositor->wayland_event_source,
                          GDK_PRIORITY_EVENTS + 1);
   g_source_attach (compositor->wayland_event_source, NULL);
-
   clutter_wayland_set_compositor_display (compositor->wayland_display);
 
   meta_clutter_init ();
 
-  monitors = meta_monitor_manager_get ();
-  g_signal_connect (monitors, "monitors-changed",
-                    G_CALLBACK (on_monitors_changed), compositor);
-
-  compositor->outputs = g_hash_table_new_full (NULL, NULL, NULL, wayland_output_destroy_notify);
-  compositor->outputs = meta_wayland_compositor_update_outputs (compositor, monitors);
-
+  meta_wayland_init_outputs (compositor);
   meta_wayland_data_device_manager_init (compositor->wayland_display);
 
   compositor->seat = meta_wayland_seat_new (compositor->wayland_display);