libsysprof-gtk: add SysprofSession

This is meant to become our toplevel object controlling an analysis
session. We need it to know about any filters in place such as time
selections.

Callgraph needs to be updated to use this as well.

src/libsysprof-gtk/meson.build

@@ -1,5 +1,6 @@
 libsysprof_gtk_public_sources = [
   'sysprof-callgraph-view.c',
+  'sysprof-session.c',
   'sysprof-weighted-callgraph-view.c',
 ]
 
@@ -14,6 +15,7 @@ libsysprof_gtk_public_headers = [
   'sysprof-gtk.h',
 
   'sysprof-callgraph-view.h',
+  'sysprof-session.h',
   'sysprof-weighted-callgraph-view.h',
 ]
 

src/libsysprof-gtk/sysprof-gtk.h

@@ -24,6 +24,7 @@ G_BEGIN_DECLS
 
 #define SYSPROF_GTK_INSIDE
 # include "sysprof-callgraph-view.h"
+# include "sysprof-session.h"
 # include "sysprof-weighted-callgraph-view.h"
 #undef SYSPROF_GTK_INSIDE
 

src/libsysprof-gtk/sysprof-session.c

@@ -0,0 +1,162 @@
+/* sysprof-session.c
+ *
+ * Copyright 2023 Christian Hergert <chergert@redhat.com>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#include "config.h"
+
+#include "sysprof-session.h"
+
+struct _SysprofSession
+{
+  GObject          parent_instance;
+  SysprofDocument *document;
+  GtkCustomFilter *filter;
+};
+
+enum {
+  PROP_0,
+  PROP_DOCUMENT,
+  PROP_FILTER,
+  N_PROPS
+};
+
+G_DEFINE_FINAL_TYPE (SysprofSession, sysprof_session, G_TYPE_OBJECT)
+
+static GParamSpec *properties [N_PROPS];
+
+static void
+sysprof_session_dispose (GObject *object)
+{
+  SysprofSession *self = (SysprofSession *)object;
+
+  g_clear_object (&self->document);
+  g_clear_object (&self->filter);
+
+  G_OBJECT_CLASS (sysprof_session_parent_class)->dispose (object);
+}
+
+static void
+sysprof_session_get_property (GObject    *object,
+                              guint       prop_id,
+                              GValue     *value,
+                              GParamSpec *pspec)
+{
+  SysprofSession *self = SYSPROF_SESSION (object);
+
+  switch (prop_id)
+    {
+    case PROP_DOCUMENT:
+      g_value_set_object (value, sysprof_session_get_document (self));
+      break;
+
+    case PROP_FILTER:
+      g_value_set_object (value, sysprof_session_get_filter (self));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+sysprof_session_set_property (GObject      *object,
+                              guint         prop_id,
+                              const GValue *value,
+                              GParamSpec   *pspec)
+{
+  SysprofSession *self = SYSPROF_SESSION (object);
+
+  switch (prop_id)
+    {
+    case PROP_DOCUMENT:
+      self->document = g_value_dup_object (value);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+sysprof_session_class_init (SysprofSessionClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->dispose = sysprof_session_dispose;
+  object_class->get_property = sysprof_session_get_property;
+  object_class->set_property = sysprof_session_set_property;
+
+  properties [PROP_DOCUMENT] =
+    g_param_spec_object ("document", NULL, NULL,
+                         SYSPROF_TYPE_DOCUMENT,
+                         (G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
+
+  properties [PROP_FILTER] =
+    g_param_spec_object ("filter", NULL, NULL,
+                         GTK_TYPE_FILTER,
+                         (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+
+  g_object_class_install_properties (object_class, N_PROPS, properties);
+}
+
+static void
+sysprof_session_init (SysprofSession *self)
+{
+}
+
+SysprofSession *
+sysprof_session_new (SysprofDocument *document)
+{
+  g_return_val_if_fail (SYSPROF_IS_DOCUMENT (document), NULL);
+
+  return g_object_new (SYSPROF_TYPE_SESSION,
+                       "document", document,
+                       NULL);
+}
+
+/**
+ * sysprof_session_get_document:
+ * @self: a #SysprofSession
+ *
+ * Returns: (transfer none): a #SysprofDocument
+ */
+SysprofDocument *
+sysprof_session_get_document (SysprofSession *self)
+{
+  g_return_val_if_fail (SYSPROF_IS_SESSION (self), NULL);
+
+  return self->document;
+}
+
+/**
+ * sysprof_session_get_filter:
+ * @self: a #SysprofSession
+ *
+ * Gets the filter for the session which can remove #SysprofDocumentFrame
+ * which are not matching the current selection filters.
+ *
+ * Returns: (transfer none) (nullable): a #GtkFilter
+ */
+GtkFilter *
+sysprof_session_get_filter (SysprofSession *self)
+{
+  g_return_val_if_fail (SYSPROF_IS_SESSION (self), NULL);
+
+  return GTK_FILTER (self->filter);
+}

src/libsysprof-gtk/sysprof-session.h

@@ -0,0 +1,41 @@
+/* sysprof-session.h
+ *
+ * Copyright 2023 Christian Hergert <chergert@redhat.com>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#pragma once
+
+#include <gtk/gtk.h>
+
+#include <sysprof-analyze.h>
+
+G_BEGIN_DECLS
+
+#define SYSPROF_TYPE_SESSION (sysprof_session_get_type())
+
+SYSPROF_AVAILABLE_IN_ALL
+G_DECLARE_FINAL_TYPE (SysprofSession, sysprof_session, SYSPROF, SESSION, GObject)
+
+SYSPROF_AVAILABLE_IN_ALL
+SysprofSession  *sysprof_session_new          (SysprofDocument *document);
+SYSPROF_AVAILABLE_IN_ALL
+SysprofDocument *sysprof_session_get_document (SysprofSession  *self);
+SYSPROF_AVAILABLE_IN_ALL
+GtkFilter       *sysprof_session_get_filter   (SysprofSession  *self);
+
+G_END_DECLS