Propagate settings from Prefences to the EHTMLEditorView

Namely "Use the same fonts as other applications", "Standard Font",
"Fixed Width Font", "Highlight quotations with color", "Automatically
insert emoticon images" and "Check spelling while I type". Also remove
unneded properties from EWebView.

1 files changed, 218 insertions, 0 deletions

diff --git a/modules/settings/e-settings-html-editor-view.c b/modules/settings/e-settings-html-editor-view.c
new file mode 100644
index 0000000000..97a8c081be
--- /dev/null
+++ b/modules/settings/e-settings-html-editor-view.c
@@ -0,0 +1,218 @@
+/*
+ * e-settings-html-editor-web-view.c
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation.
+ *
+ * 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 Lesser General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <string.h>
+
+#include "e-settings-html-editor-view.h"
+
+#include <e-util/e-util.h>
+
+#define E_SETTINGS_HTML_EDITOR_VIEW_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_SETTINGS_HTML_EDITOR_VIEW, ESettingsHTMLEditorViewPrivate))
+
+struct _ESettingsHTMLEditorViewPrivate {
+	GSettings *settings;
+
+	GHashTable *old_settings;
+};
+
+G_DEFINE_DYNAMIC_TYPE (
+	ESettingsHTMLEditorView,
+	e_settings_html_editor_view,
+	E_TYPE_EXTENSION)
+
+static void
+settings_html_editor_view_load_style (ESettingsHTMLEditorView *extension)
+{
+	EExtensible *extensible;
+
+	extensible = e_extension_get_extensible (E_EXTENSION (extension));
+
+	e_html_editor_view_update_fonts (E_HTML_EDITOR_VIEW (extensible));
+}
+
+static void
+settings_html_editor_view_changed_cb (GSettings *settings,
+                                      const gchar *key,
+                                      ESettingsHTMLEditorView *extension)
+{
+	GVariant *new_value, *old_value;
+
+	new_value = g_settings_get_value (settings, key);
+	old_value = g_hash_table_lookup (extension->priv->old_settings, key);
+
+	if (!new_value || !old_value || !g_variant_equal (new_value, old_value)) {
+		if (new_value)
+			g_hash_table_insert (extension->priv->old_settings, g_strdup (key), new_value);
+		else
+			g_hash_table_remove (extension->priv->old_settings, key);
+
+		settings_html_editor_view_load_style (extension);
+	} else if (new_value) {
+		g_variant_unref (new_value);
+	}
+}
+
+static void
+settings_html_editor_view_realize (GtkWidget *widget,
+                                   ESettingsHTMLEditorView *extension)
+{
+	GSettings *settings;
+
+	settings = extension->priv->settings;
+
+	g_settings_bind (
+		settings, "composer-inline-spelling",
+		widget, "inline-spelling",
+		G_SETTINGS_BIND_GET);
+
+	g_settings_bind (
+		settings, "composer-magic-links",
+		widget, "magic-links",
+		G_SETTINGS_BIND_GET);
+
+	g_settings_bind (
+		settings, "composer-magic-smileys",
+		widget, "magic-smileys",
+		G_SETTINGS_BIND_GET);
+
+	settings_html_editor_view_load_style (extension);
+
+	/* Reload the web view when certain settings change. */
+
+	g_signal_connect (
+		settings, "changed::use-custom-font",
+		G_CALLBACK (settings_html_editor_view_changed_cb), extension);
+
+	g_signal_connect (
+		settings, "changed::monospace-font",
+		G_CALLBACK (settings_html_editor_view_changed_cb), extension);
+
+	g_signal_connect (
+		settings, "changed::variable-width-font",
+		G_CALLBACK (settings_html_editor_view_changed_cb), extension);
+
+	g_signal_connect (
+		settings, "changed::mark-citations",
+		G_CALLBACK (settings_html_editor_view_changed_cb), extension);
+
+	g_signal_connect (
+		settings, "changed::citation-color",
+		G_CALLBACK (settings_html_editor_view_changed_cb), extension);
+}
+
+static void
+settings_html_editor_view_dispose (GObject *object)
+{
+	ESettingsHTMLEditorViewPrivate *priv;
+
+	priv = E_SETTINGS_HTML_EDITOR_VIEW_GET_PRIVATE (object);
+
+	if (priv->settings != NULL) {
+		g_signal_handlers_disconnect_by_func (
+			priv->settings,
+			settings_html_editor_view_changed_cb, object);
+	}
+
+	g_clear_object (&priv->settings);
+
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (e_settings_html_editor_view_parent_class)->dispose (object);
+}
+
+static void
+settings_html_editor_view_finalize (GObject *object)
+{
+	ESettingsHTMLEditorViewPrivate *priv;
+
+	priv = E_SETTINGS_HTML_EDITOR_VIEW_GET_PRIVATE (object);
+
+	if (priv->old_settings) {
+		g_hash_table_destroy (priv->old_settings);
+		priv->old_settings = NULL;
+	}
+
+	/* Chain up to parent's finalize() method. */
+	G_OBJECT_CLASS (e_settings_html_editor_view_parent_class)->finalize (object);
+}
+
+static void
+settings_html_editor_view_constructed (GObject *object)
+{
+	EExtensible *extensible;
+
+	extensible = e_extension_get_extensible (E_EXTENSION (object));
+
+	g_signal_connect (
+		extensible, "realize",
+		G_CALLBACK (settings_html_editor_view_realize), object);
+
+	/* Chain up to parent's constructed() method. */
+	G_OBJECT_CLASS (e_settings_html_editor_view_parent_class)->constructed (object);
+}
+
+static void
+e_settings_html_editor_view_class_init (ESettingsHTMLEditorViewClass *class)
+{
+	GObjectClass *object_class;
+	EExtensionClass *extension_class;
+
+	g_type_class_add_private (class, sizeof (ESettingsHTMLEditorViewPrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->dispose = settings_html_editor_view_dispose;
+	object_class->finalize = settings_html_editor_view_finalize;
+	object_class->constructed = settings_html_editor_view_constructed;
+
+	extension_class = E_EXTENSION_CLASS (class);
+	extension_class->extensible_type = E_TYPE_HTML_EDITOR_VIEW;
+}
+
+static void
+e_settings_html_editor_view_class_finalize (ESettingsHTMLEditorViewClass *class)
+{
+}
+
+static void
+e_settings_html_editor_view_init (ESettingsHTMLEditorView *extension)
+{
+	GSettings *settings;
+
+	extension->priv = E_SETTINGS_HTML_EDITOR_VIEW_GET_PRIVATE (extension);
+
+	settings = g_settings_new ("org.gnome.evolution.mail");
+	extension->priv->settings = settings;
+
+	extension->priv->old_settings = g_hash_table_new_full (
+		g_str_hash, g_str_equal, g_free, (GDestroyNotify) g_variant_unref);
+}
+
+void
+e_settings_html_editor_view_type_register (GTypeModule *type_module)
+{
+	/* XXX G_DEFINE_DYNAMIC_TYPE declares a static type registration
+	 *     function, so we have to wrap it with a public function in
+	 *     order to register types from a separate compilation unit. */
+	e_settings_html_editor_view_register_type (type_module);
+}
+