[retro-gtk] log: Remove unused types

[Adrien Plazas <aplazas src gnome org>]

commit 6894f021a1c51cd085e7e0e2a2abe056ace72c01
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Tue May 16 06:57:49 2017 +0200

    log: Remove unused types
    
    Remove LogLevel, Log and FileStreamLog.
    
    This helps making the library simpler and cleaner.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=782504

 retro-gtk/Makefile.am              |    3 --
 retro-gtk/log/file-stream-log.vala |   55 ------------------------------------
 retro-gtk/log/log.vala             |   30 -------------------
 retro-gtk/retro-environment.c      |    7 ++++
 4 files changed, 7 insertions(+), 88 deletions(-)
---
diff --git a/retro-gtk/Makefile.am b/retro-gtk/Makefile.am
index 6002760..e056b05 100644
--- a/retro-gtk/Makefile.am
+++ b/retro-gtk/Makefile.am
@@ -41,9 +41,6 @@ libretro_gtk_la_SOURCES = \
        input/mouse.vala \
        input/virtual-gamepad.vala \
        \
-       log/file-stream-log.vala \
-       log/log.vala \
-       \
        loop/main-loop.vala \
        \
        variable/options.vala \
diff --git a/retro-gtk/retro-environment.c b/retro-gtk/retro-environment.c
index b142338..9a5be71 100644
--- a/retro-gtk/retro-environment.c
+++ b/retro-gtk/retro-environment.c
@@ -6,6 +6,13 @@
 void retro_core_set_system_av_info (RetroCore         *self,
                                     RetroSystemAvInfo *system_av_info);
 
+enum RetroLogLevel {
+  RETRO_LOG_LEVEL_DEBUG = 0,
+  RETRO_LOG_LEVEL_INFO,
+  RETRO_LOG_LEVEL_WARN,
+  RETRO_LOG_LEVEL_ERROR,
+};
+
 typedef struct {
   gpointer log;
 } RetroLogCallback;