MqSettings: New class

Based on code from src/web-settings.[ch].

3 files changed, 514 insertions, 0 deletions

diff --git a/src/local.mk b/src/local.mk
index 12b66d0..3b71b14 100644
--- a/src/local.mk
+++ b/src/local.mk
@@ -7,6 +7,7 @@ marquee_SOURCES += \
 	%reldir%/main.c \
 	%reldir%/notebook.c \
 	%reldir%/resources.c \
+	%reldir%/settings.c \
 	%reldir%/string-utils.c \
 	%reldir%/tab-label.c \
 	%reldir%/tab-page.c \
diff --git a/src/settings.c b/src/settings.c
new file mode 100644
index 0000000..c48ccb0
--- /dev/null
+++ b/src/settings.c
@@ -0,0 +1,439 @@
+/*
+ * Web view settings
+ *
+ * Copyright (C) 2017  Patrick McDermott
+ *
+ * This file is part of Marquee.
+ *
+ * Marquee 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Marquee 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 Marquee.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "settings.h"
+
+#include <glib.h>
+#include <webkit2/webkit2.h>
+
+#include "config.h"
+
+enum mapping_type {
+	MAP_BOOL,
+	MAP_BOOL_N,
+	MAP_INT,
+	/* MAP_DBL, */
+	MAP_STR,
+	/* MAP_STRL, */
+};
+
+struct mapping {
+	enum mapping_type  type;
+	const gchar       *mq_name;
+	const gchar       *wk_name;
+};
+
+static struct mapping mappings[] = {
+	/* General -> Navigation and Accessibility */
+	{MAP_BOOL,   "navigation.smooth-scrolling",
+	             "enable-smooth-scrolling"},
+	{MAP_BOOL,   "navigation.tabbing",
+	             "enable-tabs-to-links"},
+	{MAP_BOOL,   "navigation.caret",
+	             "enable-caret-browsing"},
+	{MAP_BOOL,   "navigation.spatial",
+	             "enable-spatial-navigation"},
+
+	/* General -> Miscellaneous */
+	{MAP_BOOL,   "display.textarea.resize.enable",
+	             "enable-resizable-text-areas"},
+	{MAP_BOOL,   "devtools.enable",
+	             "enable-developer-extras"},
+
+	/* General -> Compatibility */
+	// compatibility.user-agent
+	{MAP_BOOL,   "compatibility.quirks",
+	             "enable-site-specific-quirks"},
+
+	/* Display -> Fonts */
+	{MAP_STR,    "font.family.default",
+	             "default-font-family"},
+	{MAP_STR,    "font.family.monospace",
+	             "monospace-font-family"},
+	{MAP_STR,    "font.family.serif",
+	             "serif-font-family"},
+	{MAP_STR,    "font.family.sans-serif",
+	             "sans-serif-font-family"},
+	{MAP_STR,    "font.family.cursive",
+	             "cursive-font-family"},
+	{MAP_STR,    "font.family.fantasy",
+	             "fantasy-font-family"},
+	{MAP_STR,    "font.family.pictograph",
+	             "pictograph-font-family"},
+	{MAP_INT,    "font.size.default",
+	             "default-font-size"},
+	{MAP_INT,    "font.size.monospace-default",
+	             "default-monospace-font-size"},
+	{MAP_INT,    "font.size.minimum",
+	             "minimum-font-size"},
+
+	/* Display -> Languages */
+	{MAP_STR,    "intl.default-charset",
+	             "default-charset"},
+
+	/* Display -> Zoom */
+	{MAP_BOOL,   "zoom.text-only",
+	             "zoom-text-only"},
+
+	/* Permissions -> General */
+	{MAP_BOOL,   "permissions.images.auto-load",
+	             "auto-load-images"},
+	{MAP_BOOL,   "permissions.images.favicons.override",
+	             "load-icons-ignoring-image-load-setting"},
+	{MAP_BOOL,   "permissions.java.enable",
+	             "enable-java"},
+	{MAP_BOOL,   "permissions.javascript.enable",
+	             "enable-javascript"},
+	{MAP_BOOL,   "permissions.plugins.enable",
+	             "enable-plugins"},
+
+	/* Permissions -> JavaScript */
+	{MAP_BOOL,   "permissions.javascript.open-windows",
+	             "javascript-can-open-windows-automatically"},
+	{MAP_BOOL,   "permissions.javascript.fullscreen",
+	             "enable-fullscreen"},
+	{MAP_BOOL,   "permissions.javascript.modal-dialogs",
+	             "allow-modal-dialogs"},
+	{MAP_BOOL,   "permissions.javascript.clipboard",
+	             "javascript-can-access-clipboard"},
+
+	/* Permissions -> Data Storage */
+	{MAP_BOOL,   "permissions.javascript.database",
+	             "enable-html5-database"},
+	{MAP_BOOL,   "permissions.javascript.storage",
+	             "enable-html5-local-storage"},
+	{MAP_BOOL,   "permissions.appcache",
+	             "enable-offline-web-application-cache"},
+
+	/* Permissions -> Graphics and Multimedia */
+	{MAP_BOOL,   "canvas.acceleration.enable",
+	             "enable-accelerated-2d-canvas"},
+	{MAP_BOOL,   "permissions.javascript.webgl",
+	             "enable-webgl"},
+	{MAP_BOOL,   "permissions.javascript.audio",
+	             "enable-webaudio"},
+	{MAP_BOOL_N, "media.autoplay",
+	             "media-playback-requires-user-gesture"},
+	{MAP_BOOL_N, "media.force-fullscreen",
+	             "media-playback-allows-inline"},
+	{MAP_BOOL,   "permissions.javascript.mediastream.enable",
+	             "enable-media-stream"},
+	{MAP_BOOL,   "permissions.javascript.mediasource.enable",
+	             "enable-mediasource"},
+
+	/* Security and Privacy -> History */
+	{MAP_BOOL,   "privacy.private-browsing.enabled",
+	             "enable-private-browsing"},
+
+	/* Security and Privacy -> Security */
+	{MAP_BOOL,   "security.xss-auditor.enable",
+	             "enable-xss-auditor"},
+
+	/* Security and Privacy -> Network */
+	{MAP_BOOL,   "dns.prefetch.enable",
+	             "enable-dns-prefetching"},
+};
+
+static GHashTable *mappings_table = NULL;
+
+static gboolean true_value = TRUE;
+
+struct _MqSettings {
+	WebKitSettings    parent_instance;
+	WebKitWebContext *web_context;
+	GHashTable       *overrides;
+};
+
+struct _MqSettingsClass {
+	WebKitSettingsClass parent_class;
+};
+
+G_DEFINE_TYPE(MqSettings, mq_settings, WEBKIT_TYPE_SETTINGS)
+
+static void
+init_mappings_table(void)
+{
+	gsize i;
+
+	if (mappings_table) {
+		return;
+	}
+
+	mappings_table = g_hash_table_new(g_str_hash, g_str_equal);
+
+	for (i = 0; i < sizeof(mappings) / sizeof(mappings[0]); ++i) {
+		g_hash_table_insert(mappings_table,
+			g_strdup(mappings[i].mq_name),
+			g_strdup(mappings[i].wk_name));
+	}
+}
+
+static void
+mq_settings_class_init(MqSettingsClass G_GNUC_UNUSED *klass)
+{
+}
+
+static void
+mq_settings_init(MqSettings *settings)
+{
+	init_mappings_table();
+
+	settings->overrides = g_hash_table_new_full(g_str_hash, g_str_equal,
+		g_free, NULL);
+}
+
+MqSettings *
+mq_settings_new(void)
+{
+	return g_object_new(MQ_TYPE_SETTINGS, NULL);
+}
+
+void
+mq_settings_set_web_context(MqSettings *settings, WebKitWebContext *web_context)
+{
+	settings->web_context = web_context;
+}
+
+static void
+set_bool(MqSettings *settings, const gchar *name, const gboolean value)
+{
+	GValue g_value = G_VALUE_INIT;
+
+	g_value_init(&g_value, G_TYPE_BOOLEAN);
+	g_value_set_boolean(&g_value, value);
+	g_object_set_property(G_OBJECT(settings),
+		g_hash_table_lookup(mappings_table, name), &g_value);
+}
+
+static void
+set_int(MqSettings *settings, const gchar *name, const gint value)
+{
+	GValue g_value = G_VALUE_INIT;
+
+	g_value_init(&g_value, G_TYPE_INT);
+	g_value_set_int(&g_value, value);
+	g_object_set_property(G_OBJECT(settings),
+		g_hash_table_lookup(mappings_table, name), &g_value);
+}
+
+static void
+set_str(MqSettings *settings, const gchar *name, const gchar *value)
+{
+	GValue g_value = G_VALUE_INIT;
+
+	g_value_init(&g_value, G_TYPE_STRING);
+	g_value_set_static_string(&g_value, value);
+	g_object_set_property(G_OBJECT(settings),
+		g_hash_table_lookup(mappings_table, name), &g_value);
+}
+
+void
+mq_settings_override_bool(MqSettings *settings, const gchar *name,
+	const gboolean value)
+{
+	g_hash_table_insert(settings->overrides, g_strdup(name), &true_value);
+	set_bool(settings, name, value);
+}
+
+void
+mq_settings_override_int(MqSettings *settings, const gchar *name,
+	const gint value)
+{
+	g_hash_table_insert(settings->overrides, g_strdup(name), &true_value);
+	set_int(settings, name, value);
+}
+
+void
+mq_settings_override_str(MqSettings *settings, const gchar *name,
+	const gchar *value)
+{
+	g_hash_table_insert(settings->overrides, g_strdup(name), &true_value);
+	set_str(settings, name, value);
+}
+
+static void
+bool_cb(MqConfig G_GNUC_UNUSED *config, const gchar *name,
+	const gboolean value, MqSettings *settings)
+{
+	set_bool(settings, name, value);
+}
+
+static void
+bool_n_cb(MqConfig G_GNUC_UNUSED *config, const gchar *name,
+	const gboolean value, MqSettings *settings)
+{
+	set_bool(settings, name, value);
+}
+
+static void
+int_cb(MqConfig G_GNUC_UNUSED *config, const gchar *name,
+	const gint value, MqSettings *settings)
+{
+	set_int(settings, name, value);
+}
+
+static void
+str_cb(MqConfig G_GNUC_UNUSED *config, const gchar *name,
+	const gchar *value, MqSettings *settings)
+{
+	set_str(settings, name, value);
+}
+
+static void
+wc_spell_checking_enabled_cb(MqConfig G_GNUC_UNUSED *config,
+	const gchar G_GNUC_UNUSED *name, const gboolean value,
+	WebKitWebContext *web_context)
+{
+	webkit_web_context_set_spell_checking_enabled(web_context, value);
+}
+
+static void
+wc_spell_checking_languages_cb(MqConfig *config, const gchar *name,
+	const gchar G_GNUC_UNUSED *value, WebKitWebContext *web_context)
+{
+	webkit_web_context_set_spell_checking_languages(web_context,
+		(const gchar * const *) mq_config_get_string_list(config,
+			name));
+}
+
+static void
+wc_preferred_languages_cb(MqConfig *config, const gchar *name,
+	const gchar G_GNUC_UNUSED *value, WebKitWebContext *web_context)
+{
+	webkit_web_context_set_preferred_languages(web_context,
+		(const gchar * const *) mq_config_get_string_list(config,
+			name));
+}
+
+static void
+cm_accept_policy_cb(MqConfig G_GNUC_UNUSED *config,
+	const gchar G_GNUC_UNUSED *name, const gchar *value,
+	WebKitCookieManager *cookie_manager)
+{
+	if (g_strcmp0(value, "always") == 0) {
+		webkit_cookie_manager_set_accept_policy(cookie_manager,
+			WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS);
+	} else if (g_strcmp0(value, "never") == 0) {
+		webkit_cookie_manager_set_accept_policy(cookie_manager,
+			WEBKIT_COOKIE_POLICY_ACCEPT_NEVER);
+	} else if (g_strcmp0(value, "never") == 0) {
+		webkit_cookie_manager_set_accept_policy(cookie_manager,
+			WEBKIT_COOKIE_POLICY_ACCEPT_NEVER);
+	} else if (g_strcmp0(value, "no-third-party") == 0) {
+		webkit_cookie_manager_set_accept_policy(cookie_manager,
+			WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY);
+	} else {
+		g_assert_not_reached();
+	}
+}
+
+void
+mq_settings_connect_config(MqSettings *settings, MqConfig *config)
+{
+	gsize                i;
+	WebKitCookieManager *cookie_manager;
+
+	/* mq_settings_set_web_context() must be called first. */
+	g_assert(settings->web_context);
+
+	cookie_manager = webkit_web_context_get_cookie_manager(
+		settings->web_context);
+
+	for (i = 0; i < sizeof(mappings) / sizeof(mappings[0]); ++i) {
+		if (g_hash_table_lookup(settings->overrides,
+				mappings[i].mq_name)) {
+			continue;
+		}
+		switch (mappings[i].type) {
+			case MAP_BOOL:
+				mq_config_notify_boolean(config,
+					mappings[i].mq_name,
+					(MqConfigBooleanCallback) bool_cb,
+					settings);
+				bool_cb(config, mappings[i].mq_name,
+					mq_config_get_boolean(config,
+						mappings[i].mq_name),
+					settings);
+				break;
+			case MAP_BOOL_N:
+				mq_config_notify_boolean(config,
+					mappings[i].mq_name,
+					(MqConfigBooleanCallback) bool_n_cb,
+					settings);
+				bool_n_cb(config, mappings[i].mq_name,
+					mq_config_get_boolean(config,
+						mappings[i].mq_name),
+					settings);
+				break;
+			case MAP_INT:
+				mq_config_notify_integer(config,
+					mappings[i].mq_name,
+					(MqConfigIntegerCallback) int_cb,
+					settings);
+				int_cb(config, mappings[i].mq_name,
+					mq_config_get_integer(config,
+						mappings[i].mq_name),
+					settings);
+				break;
+			case MAP_STR:
+				mq_config_notify_string(config,
+					mappings[i].mq_name,
+					(MqConfigStringCallback) str_cb,
+					settings);
+				str_cb(config, mappings[i].mq_name,
+					mq_config_get_string(config,
+						mappings[i].mq_name),
+					settings);
+				break;
+		}
+	}
+
+	/* The overrides table is no longer needed. */
+	g_hash_table_unref(settings->overrides);
+
+	/* General -> Spell Checking */
+	mq_config_notify_boolean(config, "spell.enable",
+		(MqConfigBooleanCallback) wc_spell_checking_enabled_cb,
+		settings->web_context);
+	wc_spell_checking_enabled_cb(config, "spell.enable",
+		mq_config_get_boolean(config, "spell.enable"),
+		settings->web_context);
+	mq_config_notify_string(config, "spell.langs",
+		(MqConfigStringCallback) wc_spell_checking_languages_cb,
+		settings->web_context);
+	wc_spell_checking_languages_cb(config, "spell.langs", NULL,
+		settings->web_context);
+
+	/* Display -> Languages */
+	mq_config_notify_string(config, "intl.accept-languages",
+		(MqConfigStringCallback) wc_preferred_languages_cb,
+		settings->web_context);
+	wc_preferred_languages_cb(config, "intl.accept-languages", NULL,
+		settings->web_context);
+
+	/* Security and Privacy -> Cookies */
+	mq_config_notify_string(config, "cookies.accept",
+		(MqConfigStringCallback) cm_accept_policy_cb,
+		cookie_manager);
+	cm_accept_policy_cb(config, "cookies.accept",
+		mq_config_get_string(config, "cookies.accept"),
+		cookie_manager);
+}
diff --git a/src/settings.h b/src/settings.h
new file mode 100644
index 0000000..2424c59
--- /dev/null
+++ b/src/settings.h
@@ -0,0 +1,74 @@
+/*
+ * Web view settings
+ *
+ * Copyright (C) 2017  Patrick McDermott
+ *
+ * This file is part of Marquee.
+ *
+ * Marquee 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Marquee 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 Marquee.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MQ_SETTINGS_H
+#define MQ_SETTINGS_H
+
+typedef struct _MqSettings      MqSettings;
+typedef struct _MqSettingsClass MqSettingsClass;
+
+#include <glib.h>
+#include <webkit2/webkit2.h>
+
+#include "config.h"
+
+G_BEGIN_DECLS
+
+#define MQ_TYPE_SETTINGS            (mq_settings_get_type())
+#define MQ_SETTINGS(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), \
+                                    MQ_TYPE_SETTINGS, MqSettings))
+#define MQ_IS_SETTINGS(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), \
+                                    MQ_TYPE_SETTINGS))
+#define MQ_SETTINGS_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), \
+                                    MQ_TYPE_SETTINGS, MqSettingsClass))
+#define MQ_IS_SETTINGS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), \
+                                    MQ_TYPE_SETTINGS))
+#define MQ_SETTINGS_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), \
+                                    MQ_TYPE_SETTINGS, MqSettingsClass))
+
+GType
+mq_settings_get_type(void);
+
+MqSettings *
+mq_settings_new(void);
+
+void
+mq_settings_set_web_context(MqSettings *settings,
+	WebKitWebContext *web_context);
+
+void
+mq_settings_override_bool(MqSettings *settings, const gchar *name,
+	const gboolean value);
+
+void
+mq_settings_override_int(MqSettings *settings, const gchar *name,
+	const gint value);
+
+void
+mq_settings_override_str(MqSettings *settings, const gchar *name,
+	const gchar *value);
+
+void
+mq_settings_connect_config(MqSettings *settings, MqConfig *config);
+
+G_END_DECLS
+
+#endif  /* MQ_SETTINGS_H */