[epiphany/overview: 5/26] EphyOverviewStore: add ephy_overview_store_peek_snapshot()
- From: Claudio Saavedra <csaavedra src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [epiphany/overview: 5/26] EphyOverviewStore: add ephy_overview_store_peek_snapshot()
- Date: Tue, 17 Jul 2012 10:36:09 +0000 (UTC)
commit 14adfe168b0d67a9d41809347c52b41630a959ac
Author: Claudio Saavedra <csaavedra igalia com>
Date: Thu Feb 23 10:48:37 2012 +0200
EphyOverviewStore: add ephy_overview_store_peek_snapshot()
This method takes care of loading a snapshot from the service,
asking for a new version when needed.
https://bugzilla.gnome.org/show_bug.cgi?id=455173
lib/widgets/ephy-overview-store.c | 174 +++++++++++++++++++++++++++++++++++++
lib/widgets/ephy-overview-store.h | 4 +
2 files changed, 178 insertions(+), 0 deletions(-)
---
diff --git a/lib/widgets/ephy-overview-store.c b/lib/widgets/ephy-overview-store.c
index cf55905..970bca1 100644
--- a/lib/widgets/ephy-overview-store.c
+++ b/lib/widgets/ephy-overview-store.c
@@ -19,13 +19,81 @@
*/
#include "config.h"
+#include "ephy-history-service.h"
#include "ephy-overview-store.h"
+#include "ephy-snapshot-service.h"
+
+#define EPHY_OVERVIEW_STORE_GET_PRIVATE(object) (G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_OVERVIEW_STORE, EphyOverviewStorePrivate))
+
+struct _EphyOverviewStorePrivate
+{
+ EphyHistoryService *history_service;
+};
+
+enum
+{
+ PROP_0,
+ PROP_HISTORY_SERVICE,
+};
G_DEFINE_TYPE (EphyOverviewStore, ephy_overview_store, GTK_TYPE_LIST_STORE)
static void
+ephy_overview_store_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ EphyOverviewStore *store = EPHY_OVERVIEW_STORE (object);
+
+ switch (prop_id)
+ {
+ case PROP_HISTORY_SERVICE:
+ store->priv->history_service = g_value_get_object (value);
+ g_object_notify (object, "history-service");
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+ephy_overview_store_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ EphyOverviewStore *store = EPHY_OVERVIEW_STORE (object);
+
+ switch (prop_id)
+ {
+ case PROP_HISTORY_SERVICE:
+ g_value_set_object (value, store->priv->history_service);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
ephy_overview_store_class_init (EphyOverviewStoreClass *klass)
{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->set_property = ephy_overview_store_set_property;
+ object_class->get_property = ephy_overview_store_get_property;
+
+ g_object_class_install_property (object_class,
+ PROP_HISTORY_SERVICE,
+ g_param_spec_object ("history-service",
+ "History service",
+ "History Service",
+ EPHY_TYPE_HISTORY_SERVICE,
+ G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
+
+ g_type_class_add_private (object_class, sizeof(EphyOverviewStorePrivate));
}
static void
@@ -43,4 +111,110 @@ ephy_overview_store_init (EphyOverviewStore *self)
gtk_list_store_set_column_types (GTK_LIST_STORE (self),
EPHY_OVERVIEW_STORE_NCOLS, types);
+
+ self->priv = EPHY_OVERVIEW_STORE_GET_PRIVATE (self);
+}
+
+typedef struct {
+ GtkTreeRowReference *ref;
+ char *url;
+} PeekContext;
+
+static void
+peek_context_free (PeekContext *ctx)
+{
+ g_free (ctx->url);
+ gtk_tree_row_reference_free (ctx->ref);
+
+ g_slice_free (PeekContext, ctx);
+}
+
+static void
+on_snapshot_retrieved_cb (GObject *object,
+ GAsyncResult *res,
+ PeekContext *ctx)
+{
+ GtkTreeModel *model;
+ GtkTreePath *path;
+ GtkTreeIter iter;
+ char *url;
+ GdkPixbuf *snapshot;
+ GError *error = NULL;
+
+ snapshot = ephy_snapshot_service_get_snapshot_finish (EPHY_SNAPSHOT_SERVICE (object),
+ res, &error);
+
+ if (error) {
+ g_warning ("Error retrieving snapshot: %s\n", error->message);
+ g_error_free (error);
+ error = NULL;
+ } else if (gtk_tree_row_reference_valid (ctx->ref)) {
+ model = gtk_tree_row_reference_get_model (ctx->ref);
+ path = gtk_tree_row_reference_get_path (ctx->ref);
+ gtk_tree_model_get_iter (model, &iter, path);
+ gtk_tree_path_free (path);
+
+ /* Chances are that this callback is called after the URL in this
+ row has already replaced with a new one. Make sure that this
+ is not the case. */
+ gtk_tree_model_get (model, &iter, EPHY_OVERVIEW_STORE_URI, &url, -1);
+ if (g_strcmp0 (url, ctx->url) == 0)
+ gtk_list_store_set (GTK_LIST_STORE (model), &iter,
+ EPHY_OVERVIEW_STORE_SNAPSHOT, snapshot,
+ -1);
+
+ g_free (url);
+ g_object_unref (snapshot);
+ }
+ peek_context_free (ctx);
+}
+
+static void
+history_service_url_cb (gpointer service,
+ gboolean success,
+ EphyHistoryURL *url,
+ PeekContext *ctx)
+{
+ EphySnapshotService *snapshot_service;
+ int timestamp;
+
+ snapshot_service = ephy_snapshot_service_get_default ();
+
+ /* This is a bit of an abuse of the semantics of the mtime
+ paramenter. Since the thumbnailing backend only takes the exact
+ mtime of the thumbnailed file, we will use the visit count to
+ generate a fake timestamp that will be increased every fifth
+ visit. This way, we'll update the thumbnail every other fifth
+ visit. */
+ timestamp = success ? (url->visit_count / 5) : 0;
+
+ ephy_snapshot_service_get_snapshot_async (snapshot_service, ctx->url, timestamp, NULL,
+ (GAsyncReadyCallback) on_snapshot_retrieved_cb,
+ ctx);
+ ephy_history_url_free (url);
+}
+
+void
+ephy_overview_store_peek_snapshot (EphyOverviewStore *self,
+ GtkTreeIter *iter)
+{
+ char *url;
+ GtkTreePath *path;
+ PeekContext *ctx;
+
+ gtk_tree_model_get (GTK_TREE_MODEL (self), iter,
+ EPHY_OVERVIEW_STORE_URI, &url,
+ -1);
+
+ if (url == NULL)
+ return;
+
+ ctx = g_slice_new (PeekContext);
+ path = gtk_tree_model_get_path (GTK_TREE_MODEL (self), iter);
+ ctx->ref = gtk_tree_row_reference_new (GTK_TREE_MODEL (self), path);
+ ctx->url = url;
+ ephy_history_service_get_url (self->priv->history_service,
+ url, NULL, (EphyHistoryJobCallback)history_service_url_cb,
+ ctx);
+ gtk_tree_path_free (path);
}
diff --git a/lib/widgets/ephy-overview-store.h b/lib/widgets/ephy-overview-store.h
index 34d22ce..e951722 100644
--- a/lib/widgets/ephy-overview-store.h
+++ b/lib/widgets/ephy-overview-store.h
@@ -41,6 +41,8 @@ typedef struct _EphyOverviewStorePrivate EphyOverviewStorePrivate;
struct _EphyOverviewStore
{
GtkListStore parent;
+
+ EphyOverviewStorePrivate *priv;
};
struct _EphyOverviewStoreClass
@@ -61,6 +63,8 @@ enum {
GType ephy_overview_store_get_type (void) G_GNUC_CONST;
+void ephy_overview_store_peek_snapshot (EphyOverviewStore *self,
+ GtkTreeIter *iter);
G_END_DECLS
#endif /* _EPHY_OVERVIEW_STORE_H */
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