[epiphany/overview: 5/30] Add EphyActiveStore class files



commit 248e3e36dd9c29ab23d3eb3b10e2c9b58b0ab3e3
Author: Claudio Saavedra <csaavedra igalia com>
Date:   Wed Feb 22 17:45:41 2012 +0200

    Add EphyActiveStore class files
    
    This EphyOverviewStore subclass is fed by a EphyNotebook and keeps track
    of changes in the pages that are part of it.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=455173

 src/Makefile.am         |    2 +
 src/ephy-active-store.c |  390 +++++++++++++++++++++++++++++++++++++++++++++++
 src/ephy-active-store.h |   70 +++++++++
 3 files changed, 462 insertions(+), 0 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 8e1110a..b82bf10 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -18,6 +18,7 @@ header_DATA = \
 
 NOINST_H_FILES = \
 	ephy-action-helper.h			\
+	ephy-active-store.h			\
 	ephy-combined-stop-reload-action.h	\
 	ephy-encoding-dialog.h			\
 	ephy-encoding-menu.h			\
@@ -53,6 +54,7 @@ INST_H_FILES = \
 
 libephymain_la_SOURCES = \
 	ephy-action-helper.c			\
+	ephy-active-store.c			\
 	ephy-completion-model.c			\
 	ephy-completion-model.h			\
 	ephy-combined-stop-reload-action.c	\
diff --git a/src/ephy-active-store.c b/src/ephy-active-store.c
new file mode 100644
index 0000000..b064e79
--- /dev/null
+++ b/src/ephy-active-store.c
@@ -0,0 +1,390 @@
+/* -*- 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-notebook.h"
+#include "ephy-active-store.h"
+#include "ephy-snapshot-service.h"
+
+#define EPHY_ACTIVE_STORE_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_ACTIVE_STORE, EphyActiveStorePrivate))
+
+struct _EphyActiveStorePrivate
+{
+  EphyNotebook *notebook;
+};
+
+enum
+{
+  PROP_0,
+  PROP_NOTEBOOK
+};
+
+G_DEFINE_TYPE (EphyActiveStore, ephy_active_store, EPHY_TYPE_OVERVIEW_STORE)
+
+static void
+ephy_active_store_set_property (GObject *object,
+                                guint prop_id,
+                                const GValue *value,
+                                GParamSpec *pspec)
+{
+  EphyActiveStore *store = EPHY_ACTIVE_STORE (object);
+
+  switch (prop_id)
+  {
+  case PROP_NOTEBOOK:
+    ephy_active_store_set_notebook (store, g_value_get_object (value));
+    break;
+  default:
+    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    break;
+  }
+}
+
+static void
+ephy_active_store_get_property (GObject *object,
+                                guint prop_id,
+                                GValue *value,
+                                GParamSpec *pspec)
+{
+  EphyActiveStore *store = EPHY_ACTIVE_STORE (object);
+
+  switch (prop_id)
+  {
+  case PROP_NOTEBOOK:
+    g_value_set_object (value, store->priv->notebook);
+    break;
+  default:
+    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    break;
+  }
+}
+
+static void
+ephy_active_store_class_init (EphyActiveStoreClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->get_property = ephy_active_store_get_property;
+  object_class->set_property = ephy_active_store_set_property;
+
+  g_object_class_install_property (object_class,
+                                   PROP_NOTEBOOK,
+                                   g_param_spec_object ("notebook",
+                                                        "Notebook",
+                                                        "The notebook holding the active pages",
+                                                        EPHY_TYPE_NOTEBOOK,
+                                                        G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+
+  g_type_class_add_private (object_class, sizeof (EphyActiveStorePrivate));
+}
+
+static void
+ephy_active_store_init (EphyActiveStore *self)
+{
+  GType types[EPHY_ACTIVE_STORE_NCOLS];
+
+  self->priv = EPHY_ACTIVE_STORE_GET_PRIVATE (self);
+
+  types[EPHY_OVERVIEW_STORE_ID] = G_TYPE_STRING;
+  types[EPHY_OVERVIEW_STORE_URI] = G_TYPE_STRING;
+  types[EPHY_OVERVIEW_STORE_TITLE] = G_TYPE_STRING;
+  types[EPHY_OVERVIEW_STORE_AUTHOR] = G_TYPE_STRING;
+  types[EPHY_OVERVIEW_STORE_SNAPSHOT] = GDK_TYPE_PIXBUF;
+  types[EPHY_OVERVIEW_STORE_LAST_VISIT] = G_TYPE_LONG;
+  types[EPHY_OVERVIEW_STORE_SELECTED] = G_TYPE_BOOLEAN;
+  types[EPHY_ACTIVE_STORE_TAB_POS] = G_TYPE_UINT;
+
+  gtk_list_store_set_column_types (GTK_LIST_STORE (self),
+                                   EPHY_ACTIVE_STORE_NCOLS, types);
+
+  gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (self),
+                                        EPHY_ACTIVE_STORE_TAB_POS,
+                                        GTK_SORT_ASCENDING);
+}
+
+typedef void (* BindingFunc) (GtkTreeModel *model, GtkTreeIter *iter, GValue *value, gpointer data);
+
+typedef struct
+{
+  GtkTreeModel *model;
+  const char *property_name;
+  GtkTreeRowReference *row_ref;
+  guint column;
+  gboolean is_child_property;
+  BindingFunc func;
+  gpointer data;
+} Binding;
+
+static void
+on_object_notify (GObject *object,
+                  GParamSpec *pspec,
+                  Binding* binding)
+{
+  GValue value = G_VALUE_INIT;
+  GType type;
+  GtkTreeIter iter;
+  GtkTreePath *path;
+  const char *p_name;
+
+  p_name = g_intern_string (pspec->name);
+
+  if (p_name != binding->property_name)
+    return;
+
+  type = gtk_tree_model_get_column_type (binding->model,
+                                         binding->column);
+  g_value_init (&value, type);
+
+  if (binding->is_child_property) {
+    GtkWidget *widget = GTK_WIDGET (object);
+    GtkContainer *container = GTK_CONTAINER (gtk_widget_get_parent (widget));
+
+    gtk_container_child_get_property (container, widget,
+                                      binding->property_name, &value);
+  } else {
+    g_object_get_property (object, binding->property_name, &value);
+  }
+  path = gtk_tree_row_reference_get_path (binding->row_ref);
+  gtk_tree_model_get_iter (binding->model, &iter, path);
+  gtk_tree_path_free (path);
+
+  gtk_list_store_set_value (GTK_LIST_STORE (binding->model), &iter,
+                            binding->column, &value);
+  if (binding->func)
+    (*binding->func) (binding->model, &iter, &value, binding->data);
+}
+
+static void
+bind_object_property_with_model_row_full (GtkTreeModel *model,
+                                          GtkTreeIter *iter,
+                                          guint column,
+                                          GObject *object,
+                                          const gchar *property,
+                                          gboolean is_child_property,
+                                          BindingFunc func,
+                                          gpointer data)
+{
+  GtkTreePath *path;
+  GParamSpec *pspec;
+  Binding* binding = g_slice_new0 (Binding);
+
+  binding->model = model;
+  binding->property_name = g_intern_string (property);
+  binding->column = column;
+  binding->func = func;
+  binding->data = data;
+  binding->is_child_property = is_child_property;
+
+  path = gtk_tree_model_get_path (model, iter);
+  binding->row_ref = gtk_tree_row_reference_new (model, path);
+
+  gtk_tree_path_free (path);
+  g_signal_connect (object, is_child_property ? "child-notify" : "notify",
+                    G_CALLBACK (on_object_notify), binding);
+
+  if (is_child_property)
+    pspec = gtk_container_class_find_child_property (G_OBJECT_GET_CLASS (object),
+                                                     property);
+  else
+    pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object),
+                                          property);
+
+  on_object_notify (object, pspec, binding);
+}
+
+static void
+bind_object_property_with_model_row (GtkTreeModel *model,
+                                     GtkTreeIter *iter,
+                                     guint column,
+                                     GObject *object,
+                                     const gchar *property)
+{
+  bind_object_property_with_model_row_full (model, iter, column,
+                                            object, property, FALSE,
+                                            NULL, NULL);
+}
+
+static void
+webview_uri_changed (GtkTreeModel *model,
+                     GtkTreeIter *iter,
+                     GValue *value,
+                     gpointer data)
+{
+  ephy_overview_store_peek_snapshot (EPHY_OVERVIEW_STORE (model), iter);
+}
+
+static void
+ephy_active_store_add_from_embed (EphyActiveStore *store,
+                                  EphyEmbed *embed,
+                                  gint position)
+{
+  GtkTreeIter iter;
+  EphyWebView *webview;
+
+  webview = ephy_embed_get_web_view (embed);
+
+  gtk_list_store_insert (GTK_LIST_STORE (store), &iter, position);
+  bind_object_property_with_model_row_full (GTK_TREE_MODEL (store), &iter,
+                                            EPHY_OVERVIEW_STORE_URI,
+                                            G_OBJECT (webview), "uri", FALSE,
+                                            webview_uri_changed, NULL);
+  bind_object_property_with_model_row (GTK_TREE_MODEL (store), &iter,
+                                       EPHY_OVERVIEW_STORE_TITLE,
+                                       G_OBJECT (webview), "title");
+  bind_object_property_with_model_row_full (GTK_TREE_MODEL (store), &iter,
+                                            EPHY_ACTIVE_STORE_TAB_POS,
+                                            G_OBJECT (embed), "position", TRUE,
+                                            NULL, NULL);
+
+}
+
+static void
+bindings_drop (GObject *object)
+{
+  g_signal_handlers_disconnect_matched (object,
+                                        G_SIGNAL_MATCH_FUNC,
+                                        0, 0, NULL, on_object_notify,
+                                        NULL);
+}
+
+typedef struct {
+  GtkTreeIter iter;
+  const gchar *cmp_uri;
+} HelperCtx;
+
+static gboolean
+foreach_helper (GtkTreeModel *model,
+                GtkTreePath *path,
+                GtkTreeIter *iter,
+                HelperCtx *ctx)
+{
+  const gchar *cmp_uri;
+  gchar *uri;
+
+  gtk_tree_model_get (model, iter,
+                      EPHY_OVERVIEW_STORE_URI, &uri, -1);
+  cmp_uri = g_intern_string (uri);
+  g_free (uri);
+
+  if (ctx->cmp_uri == cmp_uri) {
+    ctx->iter = *iter;
+    return TRUE;
+  }
+  return FALSE;
+}
+
+static void
+ephy_active_store_remove_from_embed (EphyActiveStore *store,
+                                     EphyEmbed *embed)
+{
+  GtkTreeIter iter;
+  EphyWebView *webview;
+  HelperCtx *ctx;
+
+  webview = ephy_embed_get_web_view (embed);
+  ctx = g_slice_new0 (HelperCtx);
+  ctx->cmp_uri = g_intern_string (webkit_web_view_get_uri (WEBKIT_WEB_VIEW (webview)));
+  gtk_tree_model_foreach (GTK_TREE_MODEL (store),
+                          (GtkTreeModelForeachFunc) foreach_helper,
+                          ctx);
+  iter = ctx->iter;
+  g_slice_free (HelperCtx, ctx);
+
+  gtk_list_store_remove (GTK_LIST_STORE (store), &iter);
+
+  bindings_drop (G_OBJECT (webview));
+  bindings_drop (G_OBJECT (embed));
+}
+
+static void
+notebook_page_added_cb (EphyNotebook *notebook,
+                        EphyEmbed *embed,
+                        guint position,
+                        EphyActiveStore *store)
+{
+  ephy_active_store_add_from_embed (store, embed, position);
+}
+
+static void
+notebook_page_removed_cb (EphyNotebook *notebook,
+                          EphyEmbed *embed,
+                          guint position,
+                          EphyActiveStore *store)
+{
+  ephy_active_store_remove_from_embed (store, embed);
+}
+
+static void
+ephy_active_store_populate_helper (EphyEmbed *widget,
+                                   EphyActiveStore *store)
+{
+  ephy_active_store_add_from_embed (store, widget, G_MAXINT);
+}
+
+static void
+ephy_active_store_populate (EphyActiveStore *store)
+{
+  gtk_container_foreach (GTK_CONTAINER (store->priv->notebook),
+                         (GtkCallback) ephy_active_store_populate_helper,
+                         store);
+}
+
+void
+ephy_active_store_set_notebook (EphyActiveStore *store,
+                                EphyNotebook *notebook)
+{
+  EphyActiveStorePrivate *priv;
+
+  g_return_if_fail (EPHY_IS_ACTIVE_STORE (store));
+  g_return_if_fail (EPHY_IS_NOTEBOOK (notebook));
+
+  if (store->priv->notebook == notebook)
+    return;
+
+  priv = store->priv;
+
+  if (priv->notebook) {
+    g_signal_handlers_disconnect_by_func (priv->notebook,
+                                          notebook_page_added_cb,
+                                          store);
+    g_signal_handlers_disconnect_by_func (priv->notebook,
+                                          notebook_page_removed_cb,
+                                          store);
+    g_object_unref (priv->notebook);
+    gtk_list_store_clear (GTK_LIST_STORE (store));
+  }
+
+  priv->notebook = g_object_ref (notebook);
+
+  g_signal_connect (notebook, "page-added",
+                    G_CALLBACK (notebook_page_added_cb), store);
+  g_signal_connect (notebook, "page-removed",
+                    G_CALLBACK (notebook_page_removed_cb), store);
+  ephy_active_store_populate (store);
+}
+
+EphyActiveStore *
+ephy_active_store_new (EphyNotebook *notebook)
+{
+  return g_object_new (EPHY_TYPE_ACTIVE_STORE,
+                       "notebook", notebook,
+                       NULL);
+}
diff --git a/src/ephy-active-store.h b/src/ephy-active-store.h
new file mode 100644
index 0000000..deb43b8
--- /dev/null
+++ b/src/ephy-active-store.h
@@ -0,0 +1,70 @@
+/* -*- 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_ACTIVE_STORE_H
+#define _EPHY_ACTIVE_STORE_H
+
+#include <glib-object.h>
+
+#include "ephy-notebook.h"
+#include "ephy-overview-store.h"
+
+G_BEGIN_DECLS
+
+#define EPHY_TYPE_ACTIVE_STORE            (ephy_active_store_get_type())
+#define EPHY_ACTIVE_STORE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), EPHY_TYPE_ACTIVE_STORE, EphyActiveStore))
+#define EPHY_ACTIVE_STORE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), EPHY_TYPE_ACTIVE_STORE, EphyActiveStoreClass))
+#define EPHY_IS_ACTIVE_STORE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EPHY_TYPE_ACTIVE_STORE))
+#define EPHY_IS_ACTIVE_STORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EPHY_TYPE_ACTIVE_STORE))
+#define EPHY_ACTIVE_STORE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), EPHY_TYPE_ACTIVE_STORE, EphyActiveStoreClass))
+
+typedef struct _EphyActiveStore        EphyActiveStore;
+typedef struct _EphyActiveStoreClass   EphyActiveStoreClass;
+typedef struct _EphyActiveStorePrivate EphyActiveStorePrivate;
+
+struct _EphyActiveStore
+{
+  EphyOverviewStore parent;
+
+  /*< priv >*/
+  EphyActiveStorePrivate *priv;
+};
+
+struct _EphyActiveStoreClass
+{
+  EphyOverviewStoreClass parent_class;
+};
+
+enum {
+  EPHY_ACTIVE_STORE_TAB_POS = EPHY_OVERVIEW_STORE_NCOLS,
+  EPHY_ACTIVE_STORE_NCOLS
+};
+
+GType ephy_active_store_get_type (void) G_GNUC_CONST;
+
+void ephy_active_store_set_notebook (EphyActiveStore *store,
+                                     EphyNotebook *notebook);
+
+EphyActiveStore* ephy_active_store_new (EphyNotebook *notebook);
+
+G_END_DECLS
+
+#endif /* _EPHY_ACTIVE_STORE_H */



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