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/*
* Copyright (C) 2017 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "SleepDisablerGLib.h"
#include <gio/gio.h>
#include <wtf/glib/GUniquePtr.h>
#include <wtf/glib/Sandbox.h>
namespace PAL {
std::unique_ptr<SleepDisabler> SleepDisabler::create(const String& reason, Type type)
{
return std::unique_ptr<SleepDisabler>(new SleepDisablerGLib(reason, type));
}
SleepDisablerGLib::SleepDisablerGLib(const String& reason, Type type)
: SleepDisabler(reason, type)
, m_cancellable(adoptGRef(g_cancellable_new()))
, m_reason(reason)
{
// We ignore Type because we always want to inhibit both screen lock and
// suspend, but only when idle. There is no reason for WebKit to ever block
// a user from manually suspending the computer, so inhibiting idle
// suffices. There's also probably no good reason for code taking a sleep
// disabler to differentiate between lock and suspend on our platform. If we
// ever need this distinction, which seems unlikely, then we'll need to
// audit all use of SleepDisabler.
const char* busName = shouldUsePortal() ? "org.freedesktop.portal.Desktop" : "org.freedesktop.ScreenSaver";
const char* objectPath = shouldUsePortal() ? "/org/freedesktop/portal/desktop" : "/org/freedesktop/ScreenSaver";
const char* interfaceName = shouldUsePortal() ? "org.freedesktop.portal.Inhibit" : "org.freedesktop.ScreenSaver";
g_dbus_proxy_new_for_bus(G_BUS_TYPE_SESSION, static_cast<GDBusProxyFlags>(G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES | G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS),
nullptr, busName, objectPath, interfaceName, m_cancellable.get(), [](GObject*, GAsyncResult* result, gpointer userData) {
GUniqueOutPtr<GError> error;
GRefPtr<GDBusProxy> proxy = adoptGRef(g_dbus_proxy_new_for_bus_finish(result, &error.outPtr()));
if (g_error_matches(error.get(), G_IO_ERROR, G_IO_ERROR_CANCELLED))
return;
auto* self = static_cast<SleepDisablerGLib*>(userData);
if (proxy) {
GUniquePtr<char> nameOwner(g_dbus_proxy_get_name_owner(proxy.get()));
if (nameOwner) {
self->m_screenSaverProxy = WTFMove(proxy);
self->acquireInhibitor();
return;
}
}
// Give up. Don't warn the user: this is expected.
self->m_cancellable = nullptr;
}, this);
}
SleepDisablerGLib::~SleepDisablerGLib()
{
if (m_cancellable)
g_cancellable_cancel(m_cancellable.get());
else if (m_screenSaverCookie || m_inhibitPortalRequestObjectPath)
releaseInhibitor();
}
void SleepDisablerGLib::acquireInhibitor()
{
GVariant* parameters;
if (shouldUsePortal()) {
GVariantBuilder builder;
g_variant_builder_init(&builder, G_VARIANT_TYPE_VARDICT);
g_variant_builder_add(&builder, "{sv}", "reason", g_variant_new_string(m_reason.utf8().data()));
parameters = g_variant_new("(su@a{sv})", "" /* no window */, 8 /* idle */, g_variant_builder_end(&builder));
} else
parameters = g_variant_new("(ss)", g_get_prgname(), m_reason.utf8().data());
g_dbus_proxy_call(m_screenSaverProxy.get(), "Inhibit", parameters, G_DBUS_CALL_FLAGS_NONE, -1, m_cancellable.get(), [](GObject* proxy, GAsyncResult* result, gpointer userData) {
GUniqueOutPtr<GError> error;
GRefPtr<GVariant> returnValue = adoptGRef(g_dbus_proxy_call_finish(G_DBUS_PROXY(proxy), result, &error.outPtr()));
if (g_error_matches(error.get(), G_IO_ERROR, G_IO_ERROR_CANCELLED))
return;
auto* self = static_cast<SleepDisablerGLib*>(userData);
if (error)
g_warning("Calling %s.Inhibit failed: %s", g_dbus_proxy_get_interface_name(G_DBUS_PROXY(proxy)), error->message);
else {
ASSERT(returnValue);
if (shouldUsePortal())
g_variant_get(returnValue.get(), "(o)", &self->m_inhibitPortalRequestObjectPath.outPtr());
else
g_variant_get(returnValue.get(), "(u)", &self->m_screenSaverCookie);
}
self->m_cancellable = nullptr;
}, this);
}
void SleepDisablerGLib::releaseInhibitor()
{
if (!shouldUsePortal()) {
ASSERT(m_screenSaverCookie);
g_dbus_proxy_call(m_screenSaverProxy.get(), "UnInhibit", g_variant_new("(u)", m_screenSaverCookie), G_DBUS_CALL_FLAGS_NONE, -1, nullptr, [](GObject* proxy, GAsyncResult* result, gpointer) {
GUniqueOutPtr<GError> error;
GRefPtr<GVariant> returnValue = adoptGRef(g_dbus_proxy_call_finish(G_DBUS_PROXY(proxy), result, &error.outPtr()));
if (error)
g_warning("Calling %s.UnInhibit failed: %s", g_dbus_proxy_get_interface_name(G_DBUS_PROXY(proxy)), error->message);
}, nullptr);
return;
}
ASSERT(m_inhibitPortalRequestObjectPath);
g_dbus_proxy_new_for_bus(G_BUS_TYPE_SESSION, static_cast<GDBusProxyFlags>(G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES | G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS),
nullptr, "org.freedesktop.portal.Desktop", m_inhibitPortalRequestObjectPath.get(), "org.freedesktop.portal.Request", nullptr, [](GObject*, GAsyncResult* result, gpointer) {
GUniqueOutPtr<GError> error;
GRefPtr<GDBusProxy> requestProxy = adoptGRef(g_dbus_proxy_new_for_bus_finish(result, &error.outPtr()));
if (error) {
g_warning("Failed to create org.freedesktop.portal.Request proxy: %s", error->message);
return;
}
ASSERT(requestProxy);
g_dbus_proxy_call(requestProxy.get(), "Close", g_variant_new("()"), G_DBUS_CALL_FLAGS_NONE, -1, nullptr, [](GObject* proxy, GAsyncResult* result, gpointer) {
GUniqueOutPtr<GError> error;
GRefPtr<GVariant> returnValue = adoptGRef(g_dbus_proxy_call_finish(G_DBUS_PROXY(proxy), result, &error.outPtr()));
if (error)
g_warning("Calling %s.Close failed: %s", g_dbus_proxy_get_interface_name(G_DBUS_PROXY(proxy)), error->message);
}, nullptr);
}, nullptr);
}
} // namespace PAL
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