[sysprof/wip/chergert/sysprof-3] libsysprof-ui: wire up recording signal

[Christian Hergert <chergert src gnome org>]

commit c1c191d497b664c216e29ae8656a421606ec8a10
Author: Christian Hergert <chergert redhat com>
Date:   Sat May 18 17:52:04 2019 -0700

    libsysprof-ui: wire up recording signal

 src/libsysprof-ui/sysprof-display.c            | 26 ++++++++++++++
 src/libsysprof-ui/sysprof-profiler-assistant.c | 47 ++++++++++++++++++++++++++
 src/libsysprof-ui/ui/sysprof-display.ui        |  1 +
 3 files changed, 74 insertions(+)
---
diff --git a/src/libsysprof-ui/sysprof-display.c b/src/libsysprof-ui/sysprof-display.c
index 9bdff77..f5eb657 100644
--- a/src/libsysprof-ui/sysprof-display.c
+++ b/src/libsysprof-ui/sysprof-display.c
@@ -28,6 +28,7 @@
 #include <sysprof-ui.h>
 #include <sysprof.h>
 
+#include "sysprof-profiler-assistant.h"
 #include "sysprof-capture-view.h"
 #include "sysprof-display.h"
 #include "sysprof-empty-state-view.h"
@@ -39,6 +40,7 @@ typedef struct
   SysprofProfiler           *profiler;
 
   /* Template Objects */
+  SysprofProfilerAssistant  *assistant;
   SysprofCaptureView        *capture_view;
   SysprofEmptyStateView     *failed_view;
   SysprofEmptyStateView     *empty_view;
@@ -71,6 +73,21 @@ sysprof_display_new (void)
   return g_object_new (SYSPROF_TYPE_DISPLAY, NULL);
 }
 
+static void
+sysprof_display_start_recording_cb (SysprofDisplay           *self,
+                                    SysprofProfiler          *profiler,
+                                    SysprofProfilerAssistant *assistant)
+{
+  SysprofDisplayPrivate *priv = sysprof_display_get_instance_private (self);
+
+  g_return_if_fail (SYSPROF_IS_DISPLAY (self));
+  g_return_if_fail (SYSPROF_IS_PROFILER (profiler));
+  g_return_if_fail (SYSPROF_IS_PROFILER_ASSISTANT (assistant));
+
+  sysprof_recording_state_view_set_profiler (priv->recording_view, profiler);
+  gtk_stack_set_visible_child (priv->stack, GTK_WIDGET (priv->recording_view));
+}
+
 gchar *
 sysprof_display_dup_title (SysprofDisplay *self)
 {
@@ -194,6 +211,7 @@ sysprof_display_class_init (SysprofDisplayClass *klass)
   gtk_widget_class_bind_template_child_private (widget_class, SysprofDisplay, empty_view);
   gtk_widget_class_bind_template_child_private (widget_class, SysprofDisplay, failed_view);
   gtk_widget_class_bind_template_child_private (widget_class, SysprofDisplay, recording_view);
+  gtk_widget_class_bind_template_child_private (widget_class, SysprofDisplay, assistant);
   gtk_widget_class_bind_template_child_private (widget_class, SysprofDisplay, stack);
 
   g_type_ensure (SYSPROF_TYPE_CAPTURE_VIEW);
@@ -204,7 +222,15 @@ sysprof_display_class_init (SysprofDisplayClass *klass)
 static void
 sysprof_display_init (SysprofDisplay *self)
 {
+  SysprofDisplayPrivate *priv = sysprof_display_get_instance_private (self);
+
   gtk_widget_init_template (GTK_WIDGET (self));
+
+  g_signal_connect_object (priv->assistant,
+                           "start-recording",
+                           G_CALLBACK (sysprof_display_start_recording_cb),
+                           self,
+                           G_CONNECT_SWAPPED);
 }
 
 /**
diff --git a/src/libsysprof-ui/sysprof-profiler-assistant.c b/src/libsysprof-ui/sysprof-profiler-assistant.c
index eef31ae..0064274 100644
--- a/src/libsysprof-ui/sysprof-profiler-assistant.c
+++ b/src/libsysprof-ui/sysprof-profiler-assistant.c
@@ -35,6 +35,7 @@ struct _SysprofProfilerAssistant
   GtkBin                parent_instance;
 
   /* Template Objects */
+  GtkButton            *record_button;
   GtkEntry             *command_line;
   GtkRevealer          *process_revealer;
   GtkListBox           *process_list_box;
@@ -42,6 +43,13 @@ struct _SysprofProfilerAssistant
   GtkFlowBox           *aid_flow_box;
 };
 
+enum {
+  START_RECORDING,
+  N_SIGNALS
+};
+
+static guint signals [N_SIGNALS];
+
 G_DEFINE_TYPE (SysprofProfilerAssistant, sysprof_profiler_assistant, GTK_TYPE_BIN)
 
 /**
@@ -137,17 +145,50 @@ sysprof_profiler_assistant_command_line_changed_cb (SysprofProfilerAssistant *se
     gtk_style_context_add_class (style_context, GTK_STYLE_CLASS_ERROR);
 }
 
+static void
+sysprof_profiler_assistant_record_clicked_cb (SysprofProfilerAssistant *self,
+                                              GtkButton                *button)
+{
+  g_autoptr(SysprofProfiler) profiler = NULL;
+
+  g_assert (SYSPROF_IS_PROFILER_ASSISTANT (self));
+  g_assert (GTK_IS_BUTTON (button));
+
+  gtk_widget_set_sensitive (GTK_WIDGET (self), FALSE);
+
+  profiler = sysprof_local_profiler_new ();
+
+
+  g_signal_emit (self, signals [START_RECORDING], 0, profiler);
+}
+
 static void
 sysprof_profiler_assistant_class_init (SysprofProfilerAssistantClass *klass)
 {
   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
 
+  /**
+   * SysprofProfilerAssistant::start-recording:
+   * @self: a #SysprofProfilerAssistant
+   * @profiler: a #SysprofProfiler
+   *
+   * This signal is emitted when a new profiling session should start.
+   */
+  signals [START_RECORDING] =
+    g_signal_new ("start-recording",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST,
+                  0, NULL, NULL,
+                  g_cclosure_marshal_VOID__OBJECT,
+                  G_TYPE_NONE, 1, SYSPROF_TYPE_PROFILER);
+
   gtk_widget_class_set_template_from_resource (widget_class, 
"/org/gnome/sysprof/ui/sysprof-profiler-assistant.ui");
   gtk_widget_class_bind_template_child (widget_class, SysprofProfilerAssistant, aid_flow_box);
   gtk_widget_class_bind_template_child (widget_class, SysprofProfilerAssistant, command_line);
   gtk_widget_class_bind_template_child (widget_class, SysprofProfilerAssistant, environ_editor);
   gtk_widget_class_bind_template_child (widget_class, SysprofProfilerAssistant, process_list_box);
   gtk_widget_class_bind_template_child (widget_class, SysprofProfilerAssistant, process_revealer);
+  gtk_widget_class_bind_template_child (widget_class, SysprofProfilerAssistant, record_button);
 
   g_type_ensure (SYSPROF_TYPE_AID_ICON);
   g_type_ensure (SYSPROF_TYPE_CPU_AID);
@@ -161,6 +202,12 @@ sysprof_profiler_assistant_init (SysprofProfilerAssistant *self)
 
   gtk_widget_init_template (GTK_WIDGET (self));
 
+  g_signal_connect_object (self->record_button,
+                           "clicked",
+                           G_CALLBACK (sysprof_profiler_assistant_record_clicked_cb),
+                           self,
+                           G_CONNECT_SWAPPED);
+
   g_signal_connect_object (self->command_line,
                            "changed",
                            G_CALLBACK (sysprof_profiler_assistant_command_line_changed_cb),
diff --git a/src/libsysprof-ui/ui/sysprof-display.ui b/src/libsysprof-ui/ui/sysprof-display.ui
index 7565a5d..83c017a 100644
--- a/src/libsysprof-ui/ui/sysprof-display.ui
+++ b/src/libsysprof-ui/ui/sysprof-display.ui
@@ -4,6 +4,7 @@
     <child>
       <object class="GtkStack" id="stack">
         <property name="homogeneous">false</property>
+        <property name="transition-type">crossfade</property>
         <property name="visible">true</property>
         <child>
           <object class="SysprofProfilerAssistant" id="assistant">