[epiphany] Port EphyHostsStore to WebKit2GTK+ favicons API.

[Mario Sanchez Prada <msanchez src gnome org>]

commit 7fbf27f3685dab40270b9ed697c6c15b6b120fe4
Author: Mario Sanchez Prada <msanchez gnome org>
Date:   Tue Dec 4 13:32:02 2012 +0100

    Port EphyHostsStore to WebKit2GTK+ favicons API.

 lib/widgets/ephy-hosts-store.c |  175 ++++++++++++++++++++++++---------------
 1 files changed, 108 insertions(+), 67 deletions(-)
---
diff --git a/lib/widgets/ephy-hosts-store.c b/lib/widgets/ephy-hosts-store.c
index 126d313..3173f1b 100644
--- a/lib/widgets/ephy-hosts-store.c
+++ b/lib/widgets/ephy-hosts-store.c
@@ -22,22 +22,72 @@
 #include "config.h"
 
 #include "ephy-embed-prefs.h"
+#include "ephy-favicon-helpers.h"
 #include "ephy-hosts-store.h"
 
 #include <glib/gi18n.h>
+#ifdef HAVE_WEBKIT2
+#include <libsoup/soup.h>
+#endif
 
 G_DEFINE_TYPE (EphyHostsStore, ephy_hosts_store, GTK_TYPE_LIST_STORE)
 
+typedef struct {
+  GtkListStore *model;
+  GtkTreeRowReference *row_reference;
+} IconLoadData;
+
+static void
+async_update_favicon_icon (GObject *source, GAsyncResult *result, gpointer user_data)
+{
+  GtkTreeIter iter;
+  GtkTreePath *path;
+  IconLoadData *data = (IconLoadData *)user_data;
+  WebKitFaviconDatabase *database;
+  GdkPixbuf *favicon = NULL;
+#ifdef HAVE_WEBKIT2
+  cairo_surface_t *icon_surface;
+#endif
+
+  database = WEBKIT_FAVICON_DATABASE (source);
+
 #ifdef HAVE_WEBKIT2
-/* TODO: Favicons */
+  icon_surface = webkit_favicon_database_get_favicon_finish (database, result, NULL);
+
+  if (icon_surface) {
+    favicon = ephy_pixbuf_get_from_surface_scaled (icon_surface, FAVICON_SIZE, FAVICON_SIZE);
+    cairo_surface_destroy (icon_surface);
+  }
 #else
+  favicon = webkit_favicon_database_get_favicon_pixbuf_finish (database, result, NULL);
+#endif
+
+  if (favicon) {
+    /* The completion model might have changed its contents */
+    if (gtk_tree_row_reference_valid (data->row_reference)) {
+      path = gtk_tree_row_reference_get_path (data->row_reference);
+      gtk_tree_model_get_iter (GTK_TREE_MODEL (data->model), &iter, path);
+      gtk_tree_path_free (path);
+      gtk_list_store_set (data->model, &iter,
+                          EPHY_HOSTS_STORE_COLUMN_FAVICON, favicon, -1);
+    }
+    g_object_unref (favicon);
+  }
+
+  g_object_unref (data->model);
+  gtk_tree_row_reference_free (data->row_reference);
+  g_slice_free (IconLoadData, data);
+}
+
 static void
-icon_loaded_cb (WebKitFaviconDatabase *database,
-                const char *address,
-                GtkTreeModel *model)
+icon_changed_cb (WebKitFaviconDatabase *database,
+                 const char *page_uri,
+#ifdef HAVE_WEBKIT2
+                 const char *favicon_uri,
+#endif
+                 GtkTreeModel *model)
 {
   GtkTreeIter iter;
-  GdkPixbuf *favicon;
   int cmp;
   char *host_address;
   gboolean done, valid;
@@ -45,29 +95,47 @@ icon_loaded_cb (WebKitFaviconDatabase *database,
 
   valid = gtk_tree_model_get_iter_first (model, &iter);
 
-  /* If the address has a path, this icon is not for a host, so it can
-     be skipped. */
-  uri = soup_uri_new (address);
+  /* If the page_uri has a path, this icon is not for a host, so it
+     can be skipped. */
+  uri = soup_uri_new (page_uri);
   done = strcmp (soup_uri_get_path (uri), "/") != 0;
   soup_uri_free (uri);
 
   while (valid && !done) {
     gtk_tree_model_get (model, &iter,
                         EPHY_HOSTS_STORE_COLUMN_ADDRESS, &host_address, -1);
-    cmp = g_strcmp0 (host_address, address);
+    cmp = g_strcmp0 (host_address, page_uri);
     g_free (host_address);
 
     if (cmp == 0) {
-      favicon = webkit_favicon_database_try_get_favicon_pixbuf (database,
-                                                                address,
-                                                                FAVICON_SIZE,
-                                                                FAVICON_SIZE);
+#ifdef HAVE_WEBKIT2
+      IconLoadData *data;
+      GtkTreePath *path;
+
+      data = g_slice_new (IconLoadData);
+      data->model = GTK_LIST_STORE (g_object_ref (model));
+      path = gtk_tree_model_get_path (model, &iter);
+      data->row_reference = gtk_tree_row_reference_new (model, path);
+      gtk_tree_path_free (path);
+
+      webkit_favicon_database_get_favicon (database,
+                                           page_uri,
+                                           0,
+                                           async_update_favicon_icon,
+                                           data);
+#else
+      GdkPixbuf *favicon = webkit_favicon_database_try_get_favicon_pixbuf (database,
+                                                                           page_uri,
+                                                                           FAVICON_SIZE,
+                                                                           FAVICON_SIZE);
       if (favicon) {
         gtk_list_store_set (GTK_LIST_STORE (model), &iter,
                             EPHY_HOSTS_STORE_COLUMN_FAVICON, favicon,
                             -1);
         g_object_unref (favicon);
       }
+
+#endif
     }
     valid = gtk_tree_model_iter_next (model, &iter);
 
@@ -77,20 +145,21 @@ icon_loaded_cb (WebKitFaviconDatabase *database,
     done = cmp >= 0;
   }
 }
-#endif
 
 static void
 ephy_hosts_store_finalize (GObject *object)
 {
   EphyHostsStore *store = EPHY_HOSTS_STORE (object);
+  WebKitFaviconDatabase *database;
 
 #ifdef HAVE_WEBKIT2
-  /* TODO: Favicons */
+  database = webkit_web_context_get_favicon_database (webkit_web_context_get_default ());
 #else
-  g_signal_handlers_disconnect_by_func (webkit_get_favicon_database (),
-                                        icon_loaded_cb, store);
+  database = webkit_get_favicon_database ();
 #endif
 
+  g_signal_handlers_disconnect_by_func (database, icon_changed_cb, store);
+
   G_OBJECT_CLASS (ephy_hosts_store_parent_class)->finalize (object);
 }
 
@@ -121,10 +190,11 @@ ephy_hosts_store_init (EphyHostsStore *self)
                                         GTK_SORT_ASCENDING);
 
 #ifdef HAVE_WEBKIT2
-  /* TODO: Favicons */
+  g_signal_connect (webkit_web_context_get_favicon_database (webkit_web_context_get_default ()),
+                    "favicon-changed", G_CALLBACK (icon_changed_cb), self);
 #else
   g_signal_connect (webkit_get_favicon_database (), "icon-loaded",
-                    G_CALLBACK (icon_loaded_cb), self);
+                    G_CALLBACK (icon_changed_cb), self);
 #endif
 }
 
@@ -135,41 +205,6 @@ ephy_hosts_store_new (void)
                        NULL);
 }
 
-#ifdef HAVE_WEBKIT2
-/* TODO: Favicons */
-#else
-typedef struct {
-  GtkListStore *model;
-  GtkTreeRowReference *row_reference;
-} IconLoadData;
-
-static void
-async_get_favicon_cb (GObject *source, GAsyncResult *result, gpointer user_data)
-{
-  GtkTreeIter iter;
-  GtkTreePath *path;
-  IconLoadData *data = (IconLoadData *) user_data;
-  GdkPixbuf *favicon = webkit_favicon_database_get_favicon_pixbuf_finish (webkit_get_favicon_database (),
-                                                                          result, NULL);
-
-  if (favicon) {
-    /* The completion model might have changed its contents */
-    if (gtk_tree_row_reference_valid (data->row_reference)) {
-      path = gtk_tree_row_reference_get_path (data->row_reference);
-      gtk_tree_model_get_iter (GTK_TREE_MODEL (data->model), &iter, path);
-      gtk_tree_path_free (path);
-      gtk_list_store_set (data->model, &iter,
-                          EPHY_HOSTS_STORE_COLUMN_FAVICON, favicon, -1);
-    }
-    g_object_unref (favicon);
-  }
-
-  g_object_unref (data->model);
-  gtk_tree_row_reference_free (data->row_reference);
-  g_slice_free (IconLoadData, data);
-}
-#endif
-
 void
 ephy_hosts_store_add_hosts (EphyHostsStore *store,
                             GList *hosts)
@@ -178,37 +213,36 @@ ephy_hosts_store_add_hosts (EphyHostsStore *store,
   GtkTreeIter treeiter;
   GtkTreePath *path;
   GList *iter;
-#ifdef HAVE_WEBKIT2
-  /* TODO: Favicons */
-#else
   GdkPixbuf *favicon;
   IconLoadData *data;
-  WebKitFaviconDatabase *database = webkit_get_favicon_database ();
+  WebKitFaviconDatabase *database;
+
+#ifdef HAVE_WEBKIT2
+  database = webkit_web_context_get_favicon_database (webkit_web_context_get_default ());
+#else
+  database = webkit_get_favicon_database ();
 #endif
 
   for (iter = hosts; iter != NULL; iter = iter->next) {
     host = (EphyHistoryHost *)iter->data;
 #ifdef HAVE_WEBKIT2
-    /* TODO: Favicons */
+    /* Flag favicon to NULL to reuse some code later on */
+    favicon = NULL;
 #else
     favicon = webkit_favicon_database_try_get_favicon_pixbuf (database, host->url,
                                                               FAVICON_SIZE, FAVICON_SIZE);
 #endif
+
     gtk_list_store_insert_with_values (GTK_LIST_STORE (store),
                                        &treeiter, G_MAXINT,
                                        EPHY_HOSTS_STORE_COLUMN_ID, host->id,
                                        EPHY_HOSTS_STORE_COLUMN_TITLE, host->title,
                                        EPHY_HOSTS_STORE_COLUMN_ADDRESS, host->url,
                                        EPHY_HOSTS_STORE_COLUMN_VISIT_COUNT, host->visit_count,
-#ifdef HAVE_WEBKIT2
-                                       /* TODO: Favicons */
-#else
+#ifndef HAVE_WEBKIT2
                                        EPHY_HOSTS_STORE_COLUMN_FAVICON, favicon,
 #endif
                                        -1);
-#ifdef HAVE_WEBKIT2
-    /* TODO: Favicons */
-#else
     if (favicon)
       g_object_unref (favicon);
     else {
@@ -218,11 +252,18 @@ ephy_hosts_store_add_hosts (EphyHostsStore *store,
       data->row_reference = gtk_tree_row_reference_new (GTK_TREE_MODEL (store), path);
       gtk_tree_path_free (path);
 
+#ifdef HAVE_WEBKIT2
+      webkit_favicon_database_get_favicon (database,
+                                           host->url,
+                                           NULL,
+                                           async_update_favicon_icon,
+                                           data);
+#else
       webkit_favicon_database_get_favicon_pixbuf (database, host->url,
                                                   FAVICON_SIZE, FAVICON_SIZE, NULL,
-                                                  async_get_favicon_cb, data);
-    }
+                                                  async_update_favicon_icon, data);
 #endif
+    }
   }
 }