blob: 446ae9751c96cfd333a188fbb49bef5105bc8876 [file] [log] [blame]
// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "flutter/shell/platform/linux/fl_settings_plugin.h"
#include <cstring>
#include "flutter/shell/platform/linux/public/flutter_linux/fl_basic_message_channel.h"
#include "flutter/shell/platform/linux/public/flutter_linux/fl_json_message_codec.h"
static constexpr char kChannelName[] = "flutter/settings";
static constexpr char kTextScaleFactorKey[] = "textScaleFactor";
static constexpr char kAlwaysUse24HourFormatKey[] = "alwaysUse24HourFormat";
static constexpr char kPlatformBrightnessKey[] = "platformBrightness";
static constexpr char kPlatformBrightnessLight[] = "light";
static constexpr char kPlatformBrightnessDark[] = "dark";
static constexpr char kDesktopInterfaceSchema[] = "org.gnome.desktop.interface";
static constexpr char kDesktopGtkThemeKey[] = "gtk-theme";
static constexpr char kDesktopTextScalingFactorKey[] = "text-scaling-factor";
static constexpr char kDesktopClockFormatKey[] = "clock-format";
static constexpr char kClockFormat24Hour[] = "24h";
struct _FlSettingsPlugin {
GObject parent_instance;
FlBasicMessageChannel* channel;
GSettings* interface_settings;
};
G_DEFINE_TYPE(FlSettingsPlugin, fl_settings_plugin, G_TYPE_OBJECT)
// Sends the current settings to the Flutter engine.
static void update_settings(FlSettingsPlugin* self) {
gdouble scaling_factor = 1.0;
gboolean always_use_24hr = FALSE;
const gchar* platform_brightness = kPlatformBrightnessLight;
if (self->interface_settings != nullptr) {
scaling_factor = g_settings_get_double(self->interface_settings,
kDesktopTextScalingFactorKey);
g_autofree gchar* clock_format =
g_settings_get_string(self->interface_settings, kDesktopClockFormatKey);
always_use_24hr = g_strcmp0(clock_format, kClockFormat24Hour) == 0;
// GTK doesn't have a specific flag for dark themes, so we have some
// hard-coded themes for Ubuntu (Yaru) and GNOME (Adwaita).
g_autofree gchar* gtk_theme =
g_settings_get_string(self->interface_settings, kDesktopGtkThemeKey);
if (g_strcmp0(gtk_theme, "Yaru-dark") == 0 ||
g_strcmp0(gtk_theme, "Adwaita-dark") == 0) {
platform_brightness = kPlatformBrightnessDark;
}
}
g_autoptr(FlValue) message = fl_value_new_map();
fl_value_set_string_take(message, kTextScaleFactorKey,
fl_value_new_float(scaling_factor));
fl_value_set_string_take(message, kAlwaysUse24HourFormatKey,
fl_value_new_bool(always_use_24hr));
fl_value_set_string_take(message, kPlatformBrightnessKey,
fl_value_new_string(platform_brightness));
fl_basic_message_channel_send(self->channel, message, nullptr, nullptr,
nullptr);
}
static void fl_settings_plugin_dispose(GObject* object) {
FlSettingsPlugin* self = FL_SETTINGS_PLUGIN(object);
g_clear_object(&self->channel);
g_clear_object(&self->interface_settings);
G_OBJECT_CLASS(fl_settings_plugin_parent_class)->dispose(object);
}
static void fl_settings_plugin_class_init(FlSettingsPluginClass* klass) {
G_OBJECT_CLASS(klass)->dispose = fl_settings_plugin_dispose;
}
static void fl_settings_plugin_init(FlSettingsPlugin* self) {}
FlSettingsPlugin* fl_settings_plugin_new(FlBinaryMessenger* messenger) {
g_return_val_if_fail(FL_IS_BINARY_MESSENGER(messenger), nullptr);
FlSettingsPlugin* self =
FL_SETTINGS_PLUGIN(g_object_new(fl_settings_plugin_get_type(), nullptr));
g_autoptr(FlJsonMessageCodec) codec = fl_json_message_codec_new();
self->channel = fl_basic_message_channel_new(messenger, kChannelName,
FL_MESSAGE_CODEC(codec));
return self;
}
void fl_settings_plugin_start(FlSettingsPlugin* self) {
g_return_if_fail(FL_IS_SETTINGS_PLUGIN(self));
// If we are on GNOME, get settings from GSettings.
GSettingsSchemaSource* source = g_settings_schema_source_get_default();
if (source != nullptr) {
g_autoptr(GSettingsSchema) schema =
g_settings_schema_source_lookup(source, kDesktopInterfaceSchema, FALSE);
if (schema != nullptr) {
self->interface_settings = g_settings_new_full(schema, nullptr, nullptr);
g_signal_connect_object(
self->interface_settings, "changed::text-scaling-factor",
G_CALLBACK(update_settings), self, G_CONNECT_SWAPPED);
g_signal_connect_object(self->interface_settings, "changed::clock-format",
G_CALLBACK(update_settings), self,
G_CONNECT_SWAPPED);
g_signal_connect_object(self->interface_settings, "changed::gtk-theme",
G_CALLBACK(update_settings), self,
G_CONNECT_SWAPPED);
}
}
update_settings(self);
}