fl_settings_handler.cc File Reference

#include "flutter/shell/platform/linux/fl_settings_handler.h"
#include <gmodule.h>
#include "flutter/shell/platform/embedder/embedder.h"
#include "flutter/shell/platform/linux/fl_engine_private.h"
#include "flutter/shell/platform/linux/fl_settings_channel.h"

Go to the source code of this file.

Classes
struct	_FlSettingsHandler

Functions
static FlSettingsChannelPlatformBrightness	to_platform_brightness (FlColorScheme color_scheme)
static void	update_settings (FlSettingsHandler *self)
static void	fl_settings_handler_dispose (GObject *object)
static void	fl_settings_handler_class_init (FlSettingsHandlerClass *klass)
static void	fl_settings_handler_init (FlSettingsHandler *self)
FlSettingsHandler *	fl_settings_handler_new (FlEngine *engine)
void	fl_settings_handler_start (FlSettingsHandler *self, FlSettings *settings)

Function Documentation

fl_settings_handler_class_init()

static void fl_settings_handler_class_init ( FlSettingsHandlerClass *  klass )

static

Definition at line 68 of file fl_settings_handler.cc.

                                                                          {
  G_OBJECT_CLASS(klass)->dispose = fl_settings_handler_dispose;
}

References fl_settings_handler_dispose().

fl_settings_handler_dispose()

static void fl_settings_handler_dispose ( GObject *  object )

static

Definition at line 58 of file fl_settings_handler.cc.

                                                         {
  FlSettingsHandler* self = FL_SETTINGS_HANDLER(object);
 
  g_clear_object(&self->channel);
  g_clear_object(&self->settings);
  g_weak_ref_clear(&self->engine);
 
  G_OBJECT_CLASS(fl_settings_handler_parent_class)->dispose(object);
}

Referenced by fl_settings_handler_class_init().

fl_settings_handler_init()

static void fl_settings_handler_init ( FlSettingsHandler *  self )

static

Definition at line 72 of file fl_settings_handler.cc.

{}

fl_settings_handler_new()

FlSettingsHandler* fl_settings_handler_new

(

FlEngine *

engine

)

FlSettingsHandler:

#FlSettingsHandler is a handler that implements the Flutter user settings channel. fl_settings_handler_new: @messenger: an #FlEngine

Creates a new handler that sends user settings to the Flutter engine.

Returns: a new #FlSettingsHandler

Definition at line 74 of file fl_settings_handler.cc.

                                                             {
  g_return_val_if_fail(FL_IS_ENGINE(engine), nullptr);
 
  FlSettingsHandler* self = FL_SETTINGS_HANDLER(
      g_object_new(fl_settings_handler_get_type(), nullptr));
 
  g_weak_ref_init(&self->engine, engine);
 
  FlBinaryMessenger* messenger = fl_engine_get_binary_messenger(engine);
  self->channel = fl_settings_channel_new(messenger);
 
  return self;
}

References fl_engine_get_binary_messenger(), and fl_settings_channel_new().

Referenced by fl_engine_start(), and TEST().

fl_settings_handler_start()

void fl_settings_handler_start	(	FlSettingsHandler *	handler,
		FlSettings *	settings
	)

fl_settings_handler_start: @handler: an #FlSettingsHandler.

Sends the current settings to the engine and updates when they change.

Definition at line 88 of file fl_settings_handler.cc.

                                                                              {
  g_return_if_fail(FL_IS_SETTINGS_HANDLER(self));
  g_return_if_fail(FL_IS_SETTINGS(settings));
 
  self->settings = FL_SETTINGS(g_object_ref(settings));
  g_signal_connect_object(settings, "changed", G_CALLBACK(update_settings),
                          self, G_CONNECT_SWAPPED);
 
  update_settings(self);
}

References update_settings().

Referenced by fl_engine_start(), and TEST().

to_platform_brightness()

static FlSettingsChannelPlatformBrightness to_platform_brightness ( FlColorScheme  color_scheme )

static

Definition at line 23 of file fl_settings_handler.cc.

                                {
  switch (color_scheme) {
    case FL_COLOR_SCHEME_LIGHT:
      return FL_SETTINGS_CHANNEL_PLATFORM_BRIGHTNESS_LIGHT;
    case FL_COLOR_SCHEME_DARK:
      return FL_SETTINGS_CHANNEL_PLATFORM_BRIGHTNESS_DARK;
    default:
      g_assert_not_reached();
  }
}

References FL_COLOR_SCHEME_DARK, FL_COLOR_SCHEME_LIGHT, FL_SETTINGS_CHANNEL_PLATFORM_BRIGHTNESS_DARK, and FL_SETTINGS_CHANNEL_PLATFORM_BRIGHTNESS_LIGHT.

Referenced by update_settings().

update_settings()

static void update_settings ( FlSettingsHandler *  self )

static

Definition at line 36 of file fl_settings_handler.cc.

                                                     {
  FlClockFormat clock_format = fl_settings_get_clock_format(self->settings);
  FlColorScheme color_scheme = fl_settings_get_color_scheme(self->settings);
  gdouble scaling_factor = fl_settings_get_text_scaling_factor(self->settings);
 
  fl_settings_channel_send(self->channel, scaling_factor,
                           clock_format == FL_CLOCK_FORMAT_24H,
                           to_platform_brightness(color_scheme));
 
  g_autoptr(FlEngine) engine = FL_ENGINE(g_weak_ref_get(&self->engine));
  if (engine != nullptr) {
    int32_t flags = 0;
    if (!fl_settings_get_enable_animations(self->settings)) {
      flags |= kFlutterAccessibilityFeatureDisableAnimations;
    }
    if (fl_settings_get_high_contrast(self->settings)) {
      flags |= kFlutterAccessibilityFeatureHighContrast;
    }
    fl_engine_update_accessibility_features(engine, flags);
  }
}

References FL_CLOCK_FORMAT_24H, fl_engine_update_accessibility_features(), fl_settings_channel_send(), fl_settings_get_clock_format(), fl_settings_get_color_scheme(), fl_settings_get_enable_animations(), fl_settings_get_high_contrast(), fl_settings_get_text_scaling_factor(), flags, and to_platform_brightness().

Referenced by fl_settings_handler_start().