webkitwebsettings.cpp

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

    g_object_class_install_property(gobject_class,
                                    PROP_USER_STYLESHEET_URI,
                                    g_param_spec_string("user-stylesheet-uri",
                                    "User Stylesheet URI",
                                    "The URI of a stylesheet that is applied to every page.",
                                    0,
                                    flags));

    /**
    * WebKitWebSettings:zoom-step:
    *
    * The value by which the zoom level is changed when zooming in or out.
    *
    * Since: 1.0.1
    */
    g_object_class_install_property(gobject_class,
                                    PROP_ZOOM_STEP,
                                    g_param_spec_float(
                                    "zoom-step",
                                    "Zoom Stepping Value",
                                    "The value by which the zoom level is changed when zooming in or out.",
                                    0.0f, G_MAXFLOAT, 0.1f,
                                    flags));

    /**
    * WebKitWebSettings:enable-developer-extras:
    *
    * Whether developer extensions should be enabled. This enables,
    * for now, the Web Inspector, which can be controlled using the
    * #WebKitWebInspector instance held by the #WebKitWebView this
    * setting is enabled for.
    *
    * Since: 1.0.3
    */
    g_object_class_install_property(gobject_class,
                                    PROP_ENABLE_DEVELOPER_EXTRAS,
                                    g_param_spec_boolean(
                                    "enable-developer-extras",
                                    "Enable Developer Extras",
                                    "Enables special extensions that help developers",
                                    FALSE,
                                    flags));

    g_type_class_add_private(klass, sizeof(WebKitWebSettingsPrivate));
}

static void webkit_web_settings_init(WebKitWebSettings* web_settings)
{
    web_settings->priv = WEBKIT_WEB_SETTINGS_GET_PRIVATE(web_settings);
}

static void webkit_web_settings_finalize(GObject* object)
{
    WebKitWebSettings* web_settings = WEBKIT_WEB_SETTINGS(object);
    WebKitWebSettingsPrivate* priv = web_settings->priv;

    g_free(priv->default_encoding);
    g_free(priv->cursive_font_family);
    g_free(priv->default_font_family);
    g_free(priv->fantasy_font_family);
    g_free(priv->monospace_font_family);
    g_free(priv->sans_serif_font_family);
    g_free(priv->serif_font_family);
    g_free(priv->user_stylesheet_uri);

    G_OBJECT_CLASS(webkit_web_settings_parent_class)->finalize(object);
}

static void webkit_web_settings_set_property(GObject* object, guint prop_id, const GValue* value, GParamSpec* pspec)
{
    WebKitWebSettings* web_settings = WEBKIT_WEB_SETTINGS(object);
    WebKitWebSettingsPrivate* priv = web_settings->priv;

    switch(prop_id) {
    case PROP_DEFAULT_ENCODING:
        g_free(priv->default_encoding);
        priv->default_encoding = g_strdup(g_value_get_string(value));
        break;
    case PROP_CURSIVE_FONT_FAMILY:
        g_free(priv->cursive_font_family);
        priv->cursive_font_family = g_strdup(g_value_get_string(value));
        break;
    case PROP_DEFAULT_FONT_FAMILY:
        g_free(priv->default_font_family);
        priv->default_font_family = g_strdup(g_value_get_string(value));
        break;
    case PROP_FANTASY_FONT_FAMILY:
        g_free(priv->fantasy_font_family);
        priv->fantasy_font_family = g_strdup(g_value_get_string(value));
        break;
    case PROP_MONOSPACE_FONT_FAMILY:
        g_free(priv->monospace_font_family);
        priv->monospace_font_family = g_strdup(g_value_get_string(value));
        break;
    case PROP_SANS_SERIF_FONT_FAMILY:
        g_free(priv->sans_serif_font_family);
        priv->sans_serif_font_family = g_strdup(g_value_get_string(value));
        break;
    case PROP_SERIF_FONT_FAMILY:
        g_free(priv->serif_font_family);
        priv->serif_font_family = g_strdup(g_value_get_string(value));
        break;
    case PROP_DEFAULT_FONT_SIZE:
        priv->default_font_size = g_value_get_int(value);
        break;
    case PROP_DEFAULT_MONOSPACE_FONT_SIZE:
        priv->default_monospace_font_size = g_value_get_int(value);
        break;
    case PROP_MINIMUM_FONT_SIZE:
        priv->minimum_font_size = g_value_get_int(value);
        break;
    case PROP_MINIMUM_LOGICAL_FONT_SIZE:
        priv->minimum_logical_font_size = g_value_get_int(value);
        break;
    case PROP_ENFORCE_96_DPI:
        priv->enforce_96_dpi = g_value_get_boolean(value);
        break;
    case PROP_AUTO_LOAD_IMAGES:
        priv->auto_load_images = g_value_get_boolean(value);
        break;
    case PROP_AUTO_SHRINK_IMAGES:
        priv->auto_shrink_images = g_value_get_boolean(value);
        break;
    case PROP_PRINT_BACKGROUNDS:
        priv->print_backgrounds = g_value_get_boolean(value);
        break;
    case PROP_ENABLE_SCRIPTS:
        priv->enable_scripts = g_value_get_boolean(value);
        break;
    case PROP_ENABLE_PLUGINS:
        priv->enable_plugins = g_value_get_boolean(value);
        break;
    case PROP_RESIZABLE_TEXT_AREAS:
        priv->resizable_text_areas = g_value_get_boolean(value);
        break;
    case PROP_USER_STYLESHEET_URI:
        g_free(priv->user_stylesheet_uri);
        priv->user_stylesheet_uri = g_strdup(g_value_get_string(value));
        break;
    case PROP_ZOOM_STEP:
        priv->zoom_step = g_value_get_float(value);
        break;
    case PROP_ENABLE_DEVELOPER_EXTRAS:
        priv->enable_developer_extras = g_value_get_boolean(value);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
        break;
    }
}

static void webkit_web_settings_get_property(GObject* object, guint prop_id, GValue* value, GParamSpec* pspec)
{
    WebKitWebSettings* web_settings = WEBKIT_WEB_SETTINGS(object);
    WebKitWebSettingsPrivate* priv = web_settings->priv;

    switch (prop_id) {
    case PROP_DEFAULT_ENCODING:
        g_value_set_string(value, priv->default_encoding);
        break;
    case PROP_CURSIVE_FONT_FAMILY:
        g_value_set_string(value, priv->cursive_font_family);
        break;
    case PROP_DEFAULT_FONT_FAMILY:
        g_value_set_string(value, priv->default_font_family);
        break;
    case PROP_FANTASY_FONT_FAMILY:
        g_value_set_string(value, priv->fantasy_font_family);
        break;
    case PROP_MONOSPACE_FONT_FAMILY:
        g_value_set_string(value, priv->monospace_font_family);
        break;
    case PROP_SANS_SERIF_FONT_FAMILY:
        g_value_set_string(value, priv->sans_serif_font_family);
        break;
    case PROP_SERIF_FONT_FAMILY:
        g_value_set_string(value, priv->serif_font_family);
        break;
    case PROP_DEFAULT_FONT_SIZE:
        g_value_set_int(value, priv->default_font_size);
        break;
    case PROP_DEFAULT_MONOSPACE_FONT_SIZE:
        g_value_set_int(value, priv->default_monospace_font_size);
        break;
    case PROP_MINIMUM_FONT_SIZE:
        g_value_set_int(value, priv->minimum_font_size);
        break;
    case PROP_MINIMUM_LOGICAL_FONT_SIZE:
        g_value_set_int(value, priv->minimum_logical_font_size);
        break;
    case PROP_ENFORCE_96_DPI:
        g_value_set_boolean(value, priv->enforce_96_dpi);
        break;
    case PROP_AUTO_LOAD_IMAGES:
        g_value_set_boolean(value, priv->auto_load_images);
        break;
    case PROP_AUTO_SHRINK_IMAGES:
        g_value_set_boolean(value, priv->auto_shrink_images);
        break;
    case PROP_PRINT_BACKGROUNDS:
        g_value_set_boolean(value, priv->print_backgrounds);
        break;
    case PROP_ENABLE_SCRIPTS:
        g_value_set_boolean(value, priv->enable_scripts);
        break;
    case PROP_ENABLE_PLUGINS:
        g_value_set_boolean(value, priv->enable_plugins);
        break;
    case PROP_RESIZABLE_TEXT_AREAS:
        g_value_set_boolean(value, priv->resizable_text_areas);
        break;
    case PROP_USER_STYLESHEET_URI:
        g_value_set_string(value, priv->user_stylesheet_uri);
        break;
    case PROP_ZOOM_STEP:
        g_value_set_float(value, priv->zoom_step);
        break;
    case PROP_ENABLE_DEVELOPER_EXTRAS:
        g_value_set_boolean(value, priv->enable_developer_extras);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
        break;
    }
}

/**
 * webkit_web_settings_new:
 *
 * Creates a new #WebKitWebSettings instance with default values. It must
 * be manually attached to a WebView.
 *
 * Returns: a new #WebKitWebSettings instance
 **/
WebKitWebSettings* webkit_web_settings_new()
{
    return WEBKIT_WEB_SETTINGS(g_object_new(WEBKIT_TYPE_WEB_SETTINGS, NULL));
}

/**
 * webkit_web_settings_copy:
 *
 * Copies an existing #WebKitWebSettings instance.
 *
 * Returns: a new #WebKitWebSettings instance
 **/
WebKitWebSettings* webkit_web_settings_copy(WebKitWebSettings* web_settings)
{
    WebKitWebSettingsPrivate* priv = web_settings->priv;

    WebKitWebSettings* copy = WEBKIT_WEB_SETTINGS(g_object_new(WEBKIT_TYPE_WEB_SETTINGS,
                 "default-encoding", priv->default_encoding,
                 "cursive-font-family", priv->cursive_font_family,
                 "default-font-family", priv->default_font_family,
                 "fantasy-font-family", priv->fantasy_font_family,
                 "monospace-font-family", priv->monospace_font_family,
                 "sans-serif-font-family", priv->sans_serif_font_family,
                 "serif-font-family", priv->serif_font_family,
                 "default-font-size", priv->default_font_size,
                 "default-monospace-font-size", priv->default_monospace_font_size,
                 "minimum-font-size", priv->minimum_font_size,
                 "minimum-logical-font-size", priv->minimum_logical_font_size,
                 "auto-load-images", priv->auto_load_images,
                 "auto-shrink-images", priv->auto_shrink_images,
                 "print-backgrounds", priv->print_backgrounds,
                 "enable-scripts", priv->enable_scripts,
                 "enable-plugins", priv->enable_plugins,
                 "resizable-text-areas", priv->resizable_text_areas,
                 "user-stylesheet-uri", priv->user_stylesheet_uri,
                 "zoom-step", priv->zoom_step,
                 "enable-developer-extras", priv->enable_developer_extras,
                 NULL));

    return copy;
}

/**
 * webkit_web_settings_add_extra_plugin_directory:
 * @web_view: a #WebKitWebView
 * @directory: the directory to add
 *
 * Adds the @directory to paths where @web_view will search for plugins.
 *
 * Since: 1.0.3
 */
void webkit_web_settings_add_extra_plugin_directory(WebKitWebView* webView, const gchar* directory)
{
    g_return_if_fail(WEBKIT_IS_WEB_VIEW(webView));

    PluginDatabase::installedPlugins()->addExtraPluginDirectory(filenameToString(directory));
}

}