Source/WebKit/UIProcess/API/glib/WebKitWebsitePolicies.cpp

/*
 * Copyright (C) 2020 Igalia S.L.
 *
 * This library 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; either
 * version 2,1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include "config.h"
#include "WebKitWebsitePolicies.h"

#include "APIWebsitePolicies.h"
#include "WebKitEnumTypes.h"
#include "WebsitePoliciesData.h"
#include <glib/gi18n-lib.h>
#include <wtf/glib/WTFGType.h>

using namespace WebKit;

/**
 * SECTION: WebKitWebsitePolicies
 * @Short_description: View specific website policies
 * @Title: WebKitWebsitePolicies
 * @See_also: #WebKitWebView
 *
 * WebKitWebsitePolicies allows you to configure per-page policies,
 * currently only autoplay policies are supported.
 *
 * Since: 2.30
 */

using namespace WebKit;

enum {
    PROP_0,

    PROP_AUTOPLAY_POLICY
};

struct _WebKitWebsitePoliciesPrivate {
    _WebKitWebsitePoliciesPrivate()
        : websitePolicies(API::WebsitePolicies::create())
    {
    }
    RefPtr<API::WebsitePolicies> websitePolicies;
};

WEBKIT_DEFINE_TYPE(WebKitWebsitePolicies, webkit_website_policies, G_TYPE_OBJECT)

API::WebsitePolicies& webkitWebsitePoliciesGetWebsitePolicies(WebKitWebsitePolicies* policies)
{
    return *policies->priv->websitePolicies.get();
}

WebsitePoliciesData webkitWebsitePoliciesGetPoliciesData(WebKitWebsitePolicies* policies)
{
    WebsitePoliciesData policiesData;

    switch (webkit_website_policies_get_autoplay_policy(policies)) {
    case WEBKIT_AUTOPLAY_ALLOW:
        policiesData.autoplayPolicy = WebsiteAutoplayPolicy::Allow;
        break;
    case WEBKIT_AUTOPLAY_ALLOW_WITHOUT_SOUND:
        policiesData.autoplayPolicy = WebsiteAutoplayPolicy::AllowWithoutSound;
        break;
    case WEBKIT_AUTOPLAY_DENY:
        policiesData.autoplayPolicy = WebsiteAutoplayPolicy::Deny;
        break;
    default:
        policiesData.autoplayPolicy = WebsiteAutoplayPolicy::Default;
    }

    return policiesData;
}

static void webkitWebsitePoliciesGetProperty(GObject* object, guint propID, GValue* value, GParamSpec* paramSpec)
{
    WebKitWebsitePolicies* policies = WEBKIT_WEBSITE_POLICIES(object);

    switch (propID) {
    case PROP_AUTOPLAY_POLICY:
        g_value_set_enum(value, webkit_website_policies_get_autoplay_policy(policies));
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, propID, paramSpec);
    }
}

void webkitWebsitePoliciesSetAutoplayPolicy(WebKitWebsitePolicies* policies, WebKitAutoplayPolicy policy)
{
    g_return_if_fail(WEBKIT_IS_WEBSITE_POLICIES(policies));

    switch (policy) {
    case WEBKIT_AUTOPLAY_ALLOW:
        policies->priv->websitePolicies->setAutoplayPolicy(WebsiteAutoplayPolicy::Allow);
        break;
    case WEBKIT_AUTOPLAY_ALLOW_WITHOUT_SOUND:
        policies->priv->websitePolicies->setAutoplayPolicy(WebsiteAutoplayPolicy::AllowWithoutSound);
        break;
    case WEBKIT_AUTOPLAY_DENY:
        policies->priv->websitePolicies->setAutoplayPolicy(WebsiteAutoplayPolicy::Deny);
        break;
    }
}

static void webkitWebsitePoliciesSetProperty(GObject* object, guint propID, const GValue* value, GParamSpec* paramSpec)
{
    WebKitWebsitePolicies* policies = WEBKIT_WEBSITE_POLICIES(object);

    switch (propID) {
    case PROP_AUTOPLAY_POLICY:
        webkitWebsitePoliciesSetAutoplayPolicy(policies, static_cast<WebKitAutoplayPolicy>(g_value_get_enum(value)));
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, propID, paramSpec);
    }
}

static void webkit_website_policies_class_init(WebKitWebsitePoliciesClass* findClass)
{
    GObjectClass* gObjectClass = G_OBJECT_CLASS(findClass);

    gObjectClass->get_property = webkitWebsitePoliciesGetProperty;
    gObjectClass->set_property = webkitWebsitePoliciesSetProperty;

    /**
     * WebKitWebsitePolicies:autoplay:
     *
     * The #WebKitAutoplayPolicy of #WebKitWebsitePolicies.
     *
     * Since: 2.30
     */
    g_object_class_install_property(
        gObjectClass,
        PROP_AUTOPLAY_POLICY,
        g_param_spec_enum(
            "autoplay",
            "Autoplay Policy",
            _("The policy to use when deciding to autoplay media"),
            WEBKIT_TYPE_AUTOPLAY_POLICY,
            WEBKIT_AUTOPLAY_ALLOW_WITHOUT_SOUND,
            static_cast<GParamFlags>(WEBKIT_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)));
}

/**
 * webkit_website_policies_new:
 *
 * Create a new #WebKitWebsitePolicies
 *
 * Returns: (transfer full): the newly created #WebKitWebsitePolicies
 *
 * Since: 2.30
 */
WebKitWebsitePolicies* webkit_website_policies_new(void)
{
    return WEBKIT_WEBSITE_POLICIES(g_object_new(WEBKIT_TYPE_WEBSITE_POLICIES, nullptr));
}

/**
 * webkit_website_policies_new_with_policies:
 * @first_policy_name: name of the first policy to set
 * @...: value of first policy, followed by more policies, %NULL-terminated
 *
 * Create a new #WebKitWebsitePolicies with policies given as variadic
 * arguments.
 *
 * Returns: (transfer full): the newly created #WebKitWebsitePolicies
 *
 * <informalexample><programlisting>
 * WebKitWebsitePolicies *default_website_policies = webkit_website_policies_new_with_policies(
 *     "autoplay", WEBKIT_AUTOPLAY_DENY,
 *     NULL);
 * ...
 * WebKitWebView *view = WEBKIT_WEB_VIEW(g_object_new(WEBKIT_TYPE_WEB_VIEW,
 *     "web-context", ctx,
 *     "settings", settings,
 *     "user-content-manager", content_manager,
 *     "website-policies", default_website_policies,
 *     NULL));
 * ...
 * </programlisting></informalexample>
 *
 * Since: 2.30
 */
WebKitWebsitePolicies* webkit_website_policies_new_with_policies(const gchar* firstPolicyName, ...)
{
    va_list args;
    va_start(args, firstPolicyName);
    WebKitWebsitePolicies* policies = WEBKIT_WEBSITE_POLICIES(g_object_new_valist(WEBKIT_TYPE_WEBSITE_POLICIES, firstPolicyName, args));
    va_end(args);

    return policies;
}

/**
 * webkit_website_policies_get_autoplay_policy:
 * @policies: a #WebKitWebsitePolicies
 *
 * Get the #WebKitWebsitePolicies:autoplay property.
 *
 * Returns: #WebKitAutoplayPolicy
 *
 * Since: 2.30
 */
WebKitAutoplayPolicy webkit_website_policies_get_autoplay_policy(WebKitWebsitePolicies* policies)
{
    g_return_val_if_fail(WEBKIT_IS_WEBSITE_POLICIES(policies), WEBKIT_AUTOPLAY_ALLOW_WITHOUT_SOUND);

    auto apiAutoplayPolicyType = policies->priv->websitePolicies->autoplayPolicy();
    switch (apiAutoplayPolicyType) {
    case WebsiteAutoplayPolicy::Allow:
        return WEBKIT_AUTOPLAY_ALLOW;
    case WebsiteAutoplayPolicy::AllowWithoutSound:
        return WEBKIT_AUTOPLAY_ALLOW_WITHOUT_SOUND;
    case WebsiteAutoplayPolicy::Deny:
        return WEBKIT_AUTOPLAY_DENY;
    default:
        return WEBKIT_AUTOPLAY_ALLOW_WITHOUT_SOUND;
    }
}