[sysprof] libsysprof-ui: add stop-recording button

[Christian Hergert <chergert src gnome org>]

commit 183d079f2ca9e432d9bb62f0b7eb5faec3c07a3c
Author: Christian Hergert <chergert redhat com>
Date:   Sun May 19 10:34:30 2019 -0700

    libsysprof-ui: add stop-recording button

 src/libsysprof-ui/sysprof-display.c                | 43 +++++++++++++++++++++-
 .../ui/sysprof-recording-state-view.ui             | 29 +++++++--------
 2 files changed, 56 insertions(+), 16 deletions(-)
---
diff --git a/src/libsysprof-ui/sysprof-display.c b/src/libsysprof-ui/sysprof-display.c
index 57ed97b..ca4760e 100644
--- a/src/libsysprof-ui/sysprof-display.c
+++ b/src/libsysprof-ui/sysprof-display.c
@@ -102,12 +102,28 @@ sysprof_display_profiler_stopped_cb (SysprofDisplay  *self,
                                      SysprofProfiler *profiler)
 {
   SysprofDisplayPrivate *priv = sysprof_display_get_instance_private (self);
+  SysprofCaptureWriter *writer;
 
   g_assert (SYSPROF_IS_DISPLAY (self));
   g_assert (SYSPROF_IS_PROFILER (profiler));
 
-  gtk_stack_set_visible_child (priv->stack, GTK_WIDGET (priv->capture_view));
+  if ((writer = sysprof_profiler_get_writer (profiler)))
+    {
+      g_autoptr(SysprofCaptureReader) reader = NULL;
+      g_autoptr(GError) error = NULL;
+
+      if (!(reader = sysprof_capture_writer_create_reader (writer, &error)))
+        {
+          g_warning ("Failed to create capture creader: %s\n", error->message);
+          gtk_stack_set_visible_child (priv->stack, GTK_WIDGET (priv->failed_view));
+          goto notify;
+        }
+
+      sysprof_capture_view_load_async (priv->capture_view, reader, NULL, NULL, NULL);
+      gtk_stack_set_visible_child (priv->stack, GTK_WIDGET (priv->capture_view));
+    }
 
+notify:
   g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_RECORDING]);
   g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_TITLE]);
 }
@@ -208,6 +224,21 @@ sysprof_display_get_is_recording (SysprofDisplay *self)
   return GTK_WIDGET (priv->recording_view) == gtk_stack_get_visible_child (priv->stack);
 }
 
+static void
+stop_recording_cb (GSimpleAction *action,
+                   GVariant      *param,
+                   gpointer       user_data)
+{
+  SysprofDisplay *self = user_data;
+  SysprofDisplayPrivate *priv = sysprof_display_get_instance_private (self);
+
+  g_assert (G_IS_SIMPLE_ACTION (action));
+  g_assert (SYSPROF_IS_DISPLAY (self));
+
+  if (priv->profiler != NULL)
+    sysprof_profiler_stop (priv->profiler);
+}
+
 static void
 sysprof_display_parent_set (GtkWidget *widget,
                             GtkWidget *old_parent)
@@ -313,9 +344,19 @@ static void
 sysprof_display_init (SysprofDisplay *self)
 {
   SysprofDisplayPrivate *priv = sysprof_display_get_instance_private (self);
+  g_autoptr(GSimpleActionGroup) group = g_simple_action_group_new ();
+  static const GActionEntry actions[] = {
+    { "stop-recording", stop_recording_cb },
+  };
 
   gtk_widget_init_template (GTK_WIDGET (self));
 
+  g_action_map_add_action_entries (G_ACTION_MAP (group),
+                                   actions,
+                                   G_N_ELEMENTS (actions),
+                                   self);
+  gtk_widget_insert_action_group (GTK_WIDGET (self), "display", G_ACTION_GROUP (group));
+
   g_signal_connect_object (priv->assistant,
                            "start-recording",
                            G_CALLBACK (sysprof_display_start_recording_cb),
diff --git a/src/libsysprof-ui/ui/sysprof-recording-state-view.ui 
b/src/libsysprof-ui/ui/sysprof-recording-state-view.ui
index 12458d6..e9631c9 100644
--- a/src/libsysprof-ui/ui/sysprof-recording-state-view.ui
+++ b/src/libsysprof-ui/ui/sysprof-recording-state-view.ui
@@ -3,11 +3,13 @@
   <template class="SysprofRecordingStateView" parent="GtkBin">
     <child>
       <object class="GtkBox">
+        <property name="width-request">500</property>
+        <property name="halign">center</property>
         <property name="border-width">36</property>
         <property name="orientation">vertical</property>
         <property name="spacing">12</property>
         <property name="visible">true</property>
-        <child type="center">
+        <child>
           <object class="GtkImage">
             <property name="icon-name">org.gnome.Sysprof-symbolic</property>
             <property name="pixel-size">256</property>
@@ -27,12 +29,9 @@
             <attributes>
               <attribute name="scale" value="4"/>
               <attribute name="weight" value="bold"/>
+              <attribute name="font-features" value="font-feature-settings: &apos;tnum&apos;"/>
             </attributes>
           </object>
-          <packing>
-            <property name="pack-type">end</property>
-            <property name="position">2</property>
-          </packing>
         </child>
         <child>
           <object class="GtkLabel">
@@ -43,20 +42,20 @@
               <class name="dim-label"/>
             </style>
           </object>
-          <packing>
-            <property name="pack-type">end</property>
-            <property name="position">1</property>
-          </packing>
         </child>
         <child>
-          <object class="GtkLabel">
-            <property name="vexpand">true</property>
+          <object class="GtkButton">
+            <property name="action-name">display.stop-recording</property>
+            <property name="margin-top">24</property>
             <property name="visible">true</property>
+            <property name="label" translatable="yes">_Stop Recording</property>
+            <property name="halign">end</property>
+            <property name="width-request">125</property>
+            <property name="use-underline">true</property>
+            <style>
+              <class name="destructive-action"/>
+            </style>
           </object>
-          <packing>
-            <property name="position">0</property>
-            <property name="pack-type">end</property>
-          </packing>
         </child>
       </object>
     </child>