[epiphany] ephy-frecent-store: animate hiding of store items

[Claudio Saavedra <csaavedra src gnome org>]

commit 67736b8c9a8917c522e7432bda74379f768ec501
Author: Claudio Saavedra <csaavedra igalia com>
Date:   Thu Aug 30 16:22:42 2012 +0300

    ephy-frecent-store: animate hiding of store items
    
    Add a ephy_overview_store_animated_remove() that shrinks the thumbnail
    in a timeout until it's small enough and then removes it from the
    model.

 lib/widgets/ephy-frecent-store.c  |   36 ++++++++++++++++---
 lib/widgets/ephy-overview-store.c |   70 +++++++++++++++++++++++++++++++++++++
 lib/widgets/ephy-overview-store.h |   12 ++++++
 3 files changed, 113 insertions(+), 5 deletions(-)
---
diff --git a/lib/widgets/ephy-frecent-store.c b/lib/widgets/ephy-frecent-store.c
index 540c100..2a60c7c 100644
--- a/lib/widgets/ephy-frecent-store.c
+++ b/lib/widgets/ephy-frecent-store.c
@@ -341,15 +341,34 @@ ephy_frecent_store_new (void)
 }
 
 static void
+animated_remove_cb (EphyOverviewStore *store,
+                    GtkTreeIter *iter,
+                    gboolean valid,
+                    EphyHistoryService *service)
+{
+  ephy_frecent_store_fetch_urls (EPHY_FRECENT_STORE (store), service);
+}
+
+static void
 set_url_hidden_cb (EphyHistoryService *service,
                    gboolean success,
                    gpointer result_data,
-                   EphyFrecentStore *store)
+                   GtkTreeRowReference *ref)
 {
+  EphyOverviewStore *store;
+  GtkTreePath *path;
+  GtkTreeIter iter;
+
   if (!success)
     return;
 
-  ephy_frecent_store_fetch_urls (store, service);
+  store = EPHY_OVERVIEW_STORE (gtk_tree_row_reference_get_model (ref));
+  path = gtk_tree_row_reference_get_path (ref);
+  gtk_tree_model_get_iter (GTK_TREE_MODEL (store), &iter, path);
+  gtk_tree_path_free (path);
+  ephy_overview_store_animated_remove (store, ref,
+                                       (EphyOverviewStoreAnimRemoveFunc)animated_remove_cb,
+                                       service);
 }
 
 void
@@ -357,20 +376,27 @@ ephy_frecent_store_set_hidden (EphyFrecentStore *store,
                                GtkTreeIter *iter)
 {
   EphyHistoryService *service;
+  GtkTreeRowReference *ref;
+  GtkTreePath *path;
   char *uri;
-
+  GtkTreeModel *model;
   g_return_if_fail (EPHY_IS_FRECENT_STORE (store));
   g_return_if_fail (iter != NULL);
 
-  gtk_tree_model_get (GTK_TREE_MODEL (store), iter,
+  model = GTK_TREE_MODEL (store);
+  gtk_tree_model_get (model, iter,
                       EPHY_OVERVIEW_STORE_URI, &uri,
                       -1);
   g_object_get (store, "history-service", &service, NULL);
 
+  path = gtk_tree_model_get_path (model, iter);
+  ref = gtk_tree_row_reference_new (model, path);
+  gtk_tree_path_free (path);
+
   ephy_history_service_set_url_hidden (service,
                                        uri, TRUE, NULL,
                                        (EphyHistoryJobCallback) set_url_hidden_cb,
-                                       store);
+                                       ref);
   g_free (uri);
   g_object_unref (service);
 }
diff --git a/lib/widgets/ephy-overview-store.c b/lib/widgets/ephy-overview-store.c
index cc8ba8c..478bc15 100644
--- a/lib/widgets/ephy-overview-store.c
+++ b/lib/widgets/ephy-overview-store.c
@@ -507,6 +507,76 @@ ephy_overview_store_remove (EphyOverviewStore *store,
   return gtk_list_store_remove (GTK_LIST_STORE (store), iter);
 }
 
+typedef struct {
+  GtkTreeRowReference *ref;
+  EphyOverviewStoreAnimRemoveFunc callback;
+  gpointer user_data;
+} AnimRemoveContext;
+
+static gboolean
+animated_remove_func (AnimRemoveContext *ctx)
+{
+  GtkTreeRowReference *ref;
+  EphyOverviewStore *store;
+  GtkTreePath *path;
+  GtkTreeIter iter;
+  GdkPixbuf *orig_pixbuf, *new_pixbuf;
+  int width, height;
+  gboolean valid;
+
+  ref = ctx->ref;
+  store = EPHY_OVERVIEW_STORE (gtk_tree_row_reference_get_model (ref));
+  path = gtk_tree_row_reference_get_path (ref);
+  gtk_tree_model_get_iter (GTK_TREE_MODEL (store), &iter, path);
+  gtk_tree_path_free (path);
+
+  gtk_tree_model_get (GTK_TREE_MODEL (store), &iter,
+                      EPHY_OVERVIEW_STORE_SNAPSHOT, &orig_pixbuf, -1);
+
+  width = gdk_pixbuf_get_width (orig_pixbuf);
+  height = gdk_pixbuf_get_height (orig_pixbuf);
+
+  if (width > 10) {
+    new_pixbuf = gdk_pixbuf_scale_simple (orig_pixbuf,
+                                          width * 0.80,
+                                          height * 0.80,
+                                          GDK_INTERP_TILES);
+    g_object_unref (orig_pixbuf);
+    gtk_list_store_set (GTK_LIST_STORE (store), &iter,
+                        EPHY_OVERVIEW_STORE_SNAPSHOT, new_pixbuf,
+                        -1);
+    g_object_unref (new_pixbuf);
+
+    return TRUE;
+  }
+
+  g_object_unref (orig_pixbuf);
+  valid = ephy_overview_store_remove (store, &iter);
+
+  if (ctx->callback)
+    ctx->callback (store, &iter, valid, ctx->user_data);
+
+  gtk_tree_row_reference_free (ref);
+  g_slice_free (AnimRemoveContext, ctx);
+
+  return FALSE;
+}
+
+void
+ephy_overview_store_animated_remove (EphyOverviewStore *store,
+                                     GtkTreeRowReference *ref,
+                                     EphyOverviewStoreAnimRemoveFunc callback,
+                                     gpointer user_data)
+{
+  AnimRemoveContext *ctx = g_slice_new0 (AnimRemoveContext);
+
+  ctx->ref = ref;
+  ctx->callback = callback;
+  ctx->user_data = user_data;
+
+  g_timeout_add (40, (GSourceFunc) animated_remove_func, ctx);
+}
+
 gboolean
 ephy_overview_store_find_url (EphyOverviewStore *store,
                               const char *url,
diff --git a/lib/widgets/ephy-overview-store.h b/lib/widgets/ephy-overview-store.h
index 05ad95e..f6201bf 100644
--- a/lib/widgets/ephy-overview-store.h
+++ b/lib/widgets/ephy-overview-store.h
@@ -85,6 +85,18 @@ gboolean ephy_overview_store_needs_snapshot       (EphyOverviewStore *store,
 gboolean ephy_overview_store_remove               (EphyOverviewStore *store,
                                                    GtkTreeIter       *iter);
 
+
+typedef  void (* EphyOverviewStoreAnimRemoveFunc) (EphyOverviewStore *store,
+                                                   GtkTreeIter *iter,
+                                                   gboolean valid,
+                                                   gpointer user_data);
+
+void     ephy_overview_store_animated_remove      (EphyOverviewStore *store,
+                                                   GtkTreeRowReference *ref,
+                                                   EphyOverviewStoreAnimRemoveFunc func,
+                                                   gpointer user_data);
+
+
 gboolean ephy_overview_store_find_url             (EphyOverviewStore *store,
                                                    const char        *url,
                                                    GtkTreeIter       *iter);