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[epiphany/in-tab-overview: 17/24] Add EphyFrecentStore class files

commit 4b3ff26b9edaf74874249be816daef2a8be82bfb
Author: Claudio Saavedra <csaavedra igalia com>
Date:   Wed Apr 4 16:36:59 2012 +0300

    Add EphyFrecentStore class files
    
    This subclass of EphyOverviewStore displays the most frecently visited
    pages.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=455173

 lib/widgets/Makefile.am          |    2 +
 lib/widgets/ephy-frecent-store.c |  404 ++++++++++++++++++++++++++++++++++++++
 lib/widgets/ephy-frecent-store.h |   67 +++++++
 3 files changed, 473 insertions(+), 0 deletions(-)
---
diff --git a/lib/widgets/Makefile.am b/lib/widgets/Makefile.am
index 0232edf..bc53ec8 100644
--- a/lib/widgets/Makefile.am
+++ b/lib/widgets/Makefile.am
@@ -67,6 +67,8 @@ libephywidgets_la_SOURCES = \
 	ephy-certificate-dialog.h		\
 	ephy-download-widget.c			\
 	ephy-download-widget.h			\
+	ephy-frecent-store.c			\
+	ephy-frecent-store.h			\
 	ephy-history-view.c			\
 	ephy-history-view.h			\
 	ephy-hosts-store.c			\
diff --git a/lib/widgets/ephy-frecent-store.c b/lib/widgets/ephy-frecent-store.c
new file mode 100644
index 0000000..8e9e05b
--- /dev/null
+++ b/lib/widgets/ephy-frecent-store.c
@@ -0,0 +1,404 @@
+/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/*
+ *  Copyright  2012 Igalia S.L.
+ *
+ *  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 2, 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, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+
+#include "ephy-frecent-store.h"
+#include "ephy-history-service.h"
+#include "ephy-snapshot-service.h"
+
+#define EPHY_FRECENT_STORE_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_FRECENT_STORE, EphyFrecentStorePrivate))
+
+struct _EphyFrecentStorePrivate
+{
+  gint history_length;
+};
+
+enum
+{
+  PROP_0,
+  PROP_HISTORY_LENGTH,
+};
+
+G_DEFINE_TYPE (EphyFrecentStore, ephy_frecent_store, EPHY_TYPE_OVERVIEW_STORE)
+
+static void
+on_find_urls_cb (EphyHistoryService *service,
+                 gboolean success,
+                 GList *urls,
+                 EphyFrecentStore *store)
+{
+  EphyHistoryURL *url;
+  char *old_url;
+  GtkTreeIter treeiter;
+  gboolean valid;
+  GList *iter;
+  gboolean peek_snapshot;
+
+  if (success != TRUE)
+    return;
+
+  valid = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (store),
+                                         &treeiter);
+
+  for (iter = urls; iter != NULL; iter = iter->next) {
+    peek_snapshot = FALSE;
+    url = (EphyHistoryURL *)iter->data;
+
+    if (valid) {
+      gtk_tree_model_get (GTK_TREE_MODEL (store), &treeiter,
+                          EPHY_OVERVIEW_STORE_URI, &old_url,
+                          -1);
+      gtk_list_store_set (GTK_LIST_STORE (store), &treeiter,
+                          EPHY_OVERVIEW_STORE_URI, url->url,
+                          EPHY_OVERVIEW_STORE_LAST_VISIT, url->last_visit_time,
+                          -1);
+      if (g_strcmp0 (old_url, url->url) != 0) {
+        gtk_list_store_set (GTK_LIST_STORE (store), &treeiter,
+                            EPHY_OVERVIEW_STORE_TITLE, url->title,
+                            -1);
+        peek_snapshot = TRUE;
+      }
+
+      if (ephy_overview_store_needs_snapshot (EPHY_OVERVIEW_STORE (store), &treeiter))
+        peek_snapshot = TRUE;
+    } else {
+      gtk_list_store_insert_with_values (GTK_LIST_STORE (store), &treeiter, -1,
+                                         EPHY_OVERVIEW_STORE_TITLE, url->title,
+                                         EPHY_OVERVIEW_STORE_URI, url->url,
+                                         EPHY_OVERVIEW_STORE_LAST_VISIT, url->last_visit_time,
+                                         -1);
+      peek_snapshot = TRUE;
+    }
+
+    if (peek_snapshot)
+      ephy_overview_store_peek_snapshot (EPHY_OVERVIEW_STORE (store),
+                                         NULL, &treeiter);
+
+    valid = gtk_tree_model_iter_next (GTK_TREE_MODEL (store), &treeiter);
+  }
+
+  g_list_free_full (urls, (GDestroyNotify)ephy_history_url_free);
+
+  while (valid)
+    valid = ephy_overview_store_remove (EPHY_OVERVIEW_STORE (store), &treeiter);
+}
+
+static void
+ephy_frecent_store_fetch_urls (EphyFrecentStore *store,
+                              EphyHistoryService *service)
+{
+  EphyHistoryQuery *query;
+
+  query = ephy_history_query_new ();
+  query->sort_type = EPHY_HISTORY_SORT_MV;
+  query->limit = store->priv->history_length;
+  query->ignore_hidden = TRUE;
+
+  ephy_history_service_query_urls (service, query, NULL,
+                                   (EphyHistoryJobCallback) on_find_urls_cb,
+                                   store);
+  ephy_history_query_free (query);
+}
+
+static gboolean
+on_visit_url_cb (EphyHistoryService *service,
+                 char *url,
+                 EphyHistoryPageVisitType visit_type,
+                 EphyFrecentStore *store)
+{
+  ephy_frecent_store_fetch_urls (store, service);
+
+  return FALSE;
+}
+
+static void
+on_cleared_cb (EphyHistoryService *service,
+               EphyFrecentStore *store)
+{
+  /* Should probably emit a signal notifying that this is empty, this
+     signal probably should live in EphyOverviewStore. */
+
+  gtk_list_store_clear (GTK_LIST_STORE (store));
+}
+
+static void
+on_url_title_changed (EphyHistoryService *service,
+                      const char *url,
+                      const char *title,
+                      EphyFrecentStore *store)
+{
+  GtkTreeIter iter;
+  gchar *iter_url;
+
+  if (!gtk_tree_model_get_iter_first (GTK_TREE_MODEL (store), &iter))
+    return;
+
+  do {
+    gtk_tree_model_get (GTK_TREE_MODEL (store), &iter,
+                        EPHY_OVERVIEW_STORE_URI, &iter_url,
+                        -1);
+    if (g_strcmp0 (iter_url, url) == 0) {
+      gtk_list_store_set (GTK_LIST_STORE (store), &iter,
+                          EPHY_OVERVIEW_STORE_TITLE, title,
+                          -1);
+      g_free (iter_url);
+      break;
+    }
+    g_free (iter_url);
+  } while (gtk_tree_model_iter_next (GTK_TREE_MODEL (store), &iter));
+}
+
+static void
+on_url_deleted (EphyHistoryService *service,
+                const char *url,
+                EphyFrecentStore *store)
+{
+  GtkTreeIter iter;
+  gchar *iter_url;
+  gboolean needs_update = FALSE;
+
+  if (!gtk_tree_model_get_iter_first (GTK_TREE_MODEL (store), &iter))
+    return;
+
+  do {
+    gtk_tree_model_get (GTK_TREE_MODEL (store), &iter,
+                        EPHY_OVERVIEW_STORE_URI, &iter_url,
+                        -1);
+    if (g_strcmp0 (iter_url, url) == 0) {
+      needs_update = TRUE;
+      ephy_overview_store_remove (EPHY_OVERVIEW_STORE (store), &iter);
+      g_free (iter_url);
+      break;
+    }
+    g_free (iter_url);
+  } while (gtk_tree_model_iter_next (GTK_TREE_MODEL (store), &iter));
+
+  if (needs_update)
+    ephy_frecent_store_fetch_urls (store, service);
+}
+
+static void
+on_host_deleted (EphyHistoryService *service,
+                 const char *deleted_url,
+                 EphyFrecentStore *store)
+{
+  GtkTreeIter iter;
+  gchar *iter_url;
+  SoupURI *store_uri;
+  SoupURI *deleted_uri;
+  gboolean needs_update = FALSE;
+  gboolean remove, valid;
+
+  if (!gtk_tree_model_get_iter_first (GTK_TREE_MODEL (store), &iter))
+    return;
+
+  deleted_uri = soup_uri_new (deleted_url);
+
+  do {
+    gtk_tree_model_get (GTK_TREE_MODEL (store), &iter,
+                        EPHY_OVERVIEW_STORE_URI, &iter_url,
+                        -1);
+    store_uri = soup_uri_new (iter_url);
+    remove = g_strcmp0 (soup_uri_get_host (deleted_uri), soup_uri_get_host (store_uri)) == 0;
+    soup_uri_free (store_uri);
+    g_free (iter_url);
+
+    if (remove) {
+      valid = ephy_overview_store_remove (EPHY_OVERVIEW_STORE (store), &iter);
+      needs_update = TRUE;
+    } else
+      valid = gtk_tree_model_iter_next (GTK_TREE_MODEL (store), &iter);
+  } while (valid);
+
+  soup_uri_free (deleted_uri);
+
+  if (needs_update)
+    ephy_frecent_store_fetch_urls (store, service);
+
+}
+
+static void
+setup_history_service (EphyFrecentStore *store)
+{
+  EphyHistoryService *service;
+
+  g_object_get (G_OBJECT (store), "history-service", &service, NULL);
+
+  ephy_frecent_store_fetch_urls (store, service);
+
+  g_signal_connect_after (service, "visit-url",
+                    G_CALLBACK (on_visit_url_cb), store);
+  g_signal_connect (service, "cleared",
+                    G_CALLBACK (on_cleared_cb), store);
+  g_signal_connect (service, "url-title-changed",
+                    G_CALLBACK (on_url_title_changed), store);
+  g_signal_connect (service, "url-deleted",
+                    G_CALLBACK (on_url_deleted), store);
+  g_signal_connect (service, "host-deleted",
+                    G_CALLBACK (on_host_deleted), store);
+  g_object_unref (service);
+}
+
+static void
+ephy_frecent_store_notify (GObject *object,
+                           GParamSpec *pspec)
+{
+  if (g_strcmp0 (pspec->name, "history-service") == 0)
+    setup_history_service (EPHY_FRECENT_STORE (object));
+
+  if (G_OBJECT_CLASS (ephy_frecent_store_parent_class)->notify)
+    G_OBJECT_CLASS (ephy_frecent_store_parent_class)->notify (object, pspec);
+}
+
+static void
+ephy_frecent_store_set_property (GObject *object,
+                                 guint prop_id,
+                                 const GValue *value,
+                                 GParamSpec *pspec)
+{
+  EphyFrecentStore *store = EPHY_FRECENT_STORE (object);
+
+  switch (prop_id)
+  {
+  case PROP_HISTORY_LENGTH:
+    ephy_frecent_store_set_history_length (store, g_value_get_int (value));
+    break;
+  default:
+    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    break;
+  }
+}
+
+static void
+ephy_frecent_store_get_property (GObject *object,
+                                 guint prop_id,
+                                 GValue *value,
+                                 GParamSpec *pspec)
+{
+  EphyFrecentStore *store = EPHY_FRECENT_STORE (object);
+
+  switch (prop_id)
+  {
+  case PROP_HISTORY_LENGTH:
+    g_value_set_int (value, ephy_frecent_store_get_history_length (store));
+    break;
+  default:
+    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    break;
+  }
+}
+
+static void
+ephy_frecent_store_class_init (EphyFrecentStoreClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->notify = ephy_frecent_store_notify;
+  object_class->set_property = ephy_frecent_store_set_property;
+  object_class->get_property = ephy_frecent_store_get_property;
+
+  g_object_class_install_property (object_class,
+                                   PROP_HISTORY_LENGTH,
+                                   g_param_spec_int ("history-length",
+                                                     "History length",
+                                                     "Length of the history list",
+                                                     0, G_MAXINT, 12,
+                                                     G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
+
+  g_type_class_add_private (object_class, sizeof(EphyFrecentStorePrivate));
+}
+
+static void
+ephy_frecent_store_init (EphyFrecentStore *self)
+{
+  self->priv = EPHY_FRECENT_STORE_GET_PRIVATE (self);
+}
+
+EphyFrecentStore *
+ephy_frecent_store_new (void)
+{
+  return g_object_new (EPHY_TYPE_FRECENT_STORE,
+                       NULL);
+}
+
+static void
+set_url_hidden_cb (EphyHistoryService *service,
+                   gboolean success,
+                   gpointer result_data,
+                   EphyFrecentStore *store)
+{
+  if (!success)
+    return;
+
+  ephy_frecent_store_fetch_urls (store, service);
+}
+
+void
+ephy_frecent_store_set_hidden (EphyFrecentStore *store,
+                               GtkTreeIter *iter)
+{
+  EphyHistoryService *service;
+  char *uri;
+
+  g_return_if_fail (EPHY_IS_FRECENT_STORE (store));
+  g_return_if_fail (iter != NULL);
+
+  gtk_tree_model_get (GTK_TREE_MODEL (store), iter,
+                      EPHY_OVERVIEW_STORE_URI, &uri,
+                      -1);
+  g_object_get (store, "history-service", &service, NULL);
+
+  ephy_history_service_set_url_hidden (service,
+                                       uri, TRUE, NULL,
+                                       (EphyHistoryJobCallback) set_url_hidden_cb,
+                                       store);
+  g_free (uri);
+  g_object_unref (service);
+}
+
+void
+ephy_frecent_store_set_history_length (EphyFrecentStore *store,
+                                       gint length)
+{
+  EphyHistoryService *service;
+
+  g_return_if_fail (EPHY_IS_FRECENT_STORE (store));
+  g_return_if_fail (length > 0);
+
+  if (store->priv->history_length == length)
+    return;
+
+  store->priv->history_length = length;
+
+  g_object_get (G_OBJECT (store), "history-service", &service, NULL);
+  if (service) {
+    ephy_frecent_store_fetch_urls (store, service);
+    g_object_unref (service);
+  }
+}
+
+int
+ephy_frecent_store_get_history_length (EphyFrecentStore *store)
+{
+  g_return_val_if_fail (EPHY_IS_FRECENT_STORE (store), 0);
+
+  return store->priv->history_length;
+}
diff --git a/lib/widgets/ephy-frecent-store.h b/lib/widgets/ephy-frecent-store.h
new file mode 100644
index 0000000..470e877
--- /dev/null
+++ b/lib/widgets/ephy-frecent-store.h
@@ -0,0 +1,67 @@
+/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/*
+ *  Copyright  2012 Igalia S.L.
+ *
+ *  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 2, 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, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ *  Author: Claudio Saavedra  <csaavedra igalia com>
+ */
+
+#ifndef _EPHY_FRECENT_STORE_H
+#define _EPHY_FRECENT_STORE_H
+
+#include <glib-object.h>
+
+#include "ephy-overview-store.h"
+
+G_BEGIN_DECLS
+
+#define EPHY_TYPE_FRECENT_STORE            (ephy_frecent_store_get_type())
+#define EPHY_FRECENT_STORE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), EPHY_TYPE_FRECENT_STORE, EphyFrecentStore))
+#define EPHY_FRECENT_STORE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), EPHY_TYPE_FRECENT_STORE, EphyFrecentStoreClass))
+#define EPHY_IS_FRECENT_STORE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EPHY_TYPE_FRECENT_STORE))
+#define EPHY_IS_FRECENT_STORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EPHY_TYPE_FRECENT_STORE))
+#define EPHY_FRECENT_STORE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), EPHY_TYPE_FRECENT_STORE, EphyFrecentStoreClass))
+
+typedef struct _EphyFrecentStore        EphyFrecentStore;
+typedef struct _EphyFrecentStoreClass   EphyFrecentStoreClass;
+typedef struct _EphyFrecentStorePrivate EphyFrecentStorePrivate;
+
+struct _EphyFrecentStore
+{
+  EphyOverviewStore parent;
+  EphyFrecentStorePrivate *priv;
+};
+
+struct _EphyFrecentStoreClass
+{
+  EphyOverviewStoreClass parent_class;
+};
+
+GType ephy_frecent_store_get_type (void) G_GNUC_CONST;
+
+EphyFrecentStore* ephy_frecent_store_new                (void);
+
+void              ephy_frecent_store_set_hidden         (EphyFrecentStore *store,
+                                                         GtkTreeIter      *iter);
+
+void              ephy_frecent_store_set_history_length (EphyFrecentStore *store,
+                                                         gint              length);
+
+int               ephy_frecent_store_get_history_length (EphyFrecentStore *store);
+
+G_END_DECLS
+
+#endif /* _EPHY_FRECENT_STORE_H */
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