[nautilus/wip/csoriano/operations-attention: 3/3] toolbar: improve operation button attention behaviour

[Carlos Soriano Sánchez <csoriano src gnome org>]

commit 147a5ad32db887fcbb789124da9186353cca310b
Author: Carlos Soriano <csoriano gnome org>
Date:   Wed Aug 19 19:08:59 2015 +0200

    toolbar: improve operation button attention behaviour

 src/nautilus-toolbar.c |   46 ++++++++++++++++++++++++++++++++++++++--------
 1 files changed, 38 insertions(+), 8 deletions(-)
---
diff --git a/src/nautilus-toolbar.c b/src/nautilus-toolbar.c
index ad4b82f..4a731db 100644
--- a/src/nautilus-toolbar.c
+++ b/src/nautilus-toolbar.c
@@ -40,6 +40,8 @@
 #include <math.h>
 
 #define OPERATION_MINIMUM_TIME 3 //s
+#define OPERATION_BUTTON_PULSE_TIMEOUT 300 //ms
+#define OPERATION_N_PULSES 3
 #define REMOVE_FINISHED_OPERATIONS_TIEMOUT 2 //s
 
 typedef enum {
@@ -398,17 +400,39 @@ schedule_remove_finished_operations (NautilusToolbar *self)
         }
 }
 
+static void
+remove_operations_button_attention (NautilusToolbar *self)
+{
+        if (self->priv->operations_button_attention_timeout_id != 0) {
+                g_source_remove (self->priv->operations_button_attention_timeout_id);
+                self->priv->operations_button_attention_timeout_id = 0;
+        }
+}
+
 static gboolean
-remove_operations_button_attention_style (NautilusToolbar *self)
+on_operations_button_attention_style (NautilusToolbar *self)
 {
         GtkStyleContext *style_context;
 
-        style_context = gtk_widget_get_style_context (self->priv->operations_button);
-        gtk_style_context_remove_class (style_context,
-                                        "nautilus-operations-button-need-attention");
-        self->priv->operations_button_attention_timeout_id = 0;
+        if (self->priv->operations_button_pulse_n_times < OPERATION_N_PULSE) {
+                self->priv->operations_button_pulse_n_times++;
+                style_context = gtk_widget_get_style_context (self->priv->operations_button);
+                if (gtk_style_context_has_class (style_context, 
"nautilus-operations-button-needs-attention"))
+                        gtk_style_context_remove_class (style_context,
+                                                        "nautilus-operations-button-needs-attention");
+                else
+                        gtk_style_context_add_class (style_context,
+                                                     "nautilus-operations-button-needs-attention");
 
-        return G_SOURCE_REMOVE;
+                return G_SOURCE_CONTINUE;
+        } else {
+                gtk_style_context_remove_class (style_context,
+                                                "nautilus-operations-button-needs-attention");
+                self->priv->operations_button_attention_timeout_id = 0;
+                self->priv->operations_button_pulse_n_times = 0;
+
+                return G_SOURCE_REMOVE;
+        }
 }
 
 static void
@@ -452,8 +476,9 @@ on_progress_info_finished (NautilusToolbar      *self,
                 style_context = gtk_widget_get_style_context (self->priv->operations_button);
                 gtk_style_context_add_class (style_context,
                                              "nautilus-operations-button-need-attention");
-                self->priv->operations_button_attention_timeout_id = g_timeout_add_seconds (1,
-                                                                                            (GSourceFunc) 
remove_operations_button_attention_style,
+                self->priv->operations_button_pulse_n_times = 3;
+                self->priv->operations_button_attention_timeout_id = g_timeout_add_seconds 
(OPERATION_BUTTON_PULSE_TIMEOUT,
+                                                                                            (GSourceFunc) 
on_operations_button_attention_style,
                                                                                             self);
                 main_label = nautilus_progress_info_get_status (info);
                 nautilus_window_show_operation_notification (self->priv->window,
@@ -523,6 +548,11 @@ update_operations (NautilusToolbar *self)
             gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (self->priv->operations_button))) {
                 gtk_revealer_set_reveal_child (GTK_REVEALER (self->priv->operations_revealer),
                                                TRUE);
+                gtk_style_context_add_class (style_context,
+                                             "nautilus-operations-button-need-attention");
+                self->priv->operations_button_attention_timeout_id = g_timeout_add_seconds 
(OPERATION_BUTTON_PULSE_TIMEOUT,
+                                                                                            (GSourceFunc) 
on_operations_button_attention_style,
+                                                                                            self);
                 gtk_widget_queue_draw (self->priv->operations_icon);
         }
 }