Introduce a dummy backend

src/backend.c

@@ -0,0 +1,34 @@
+/* $Id$ */
+/* Copyright (c) 2016 Pierre Pronchery <khorben@defora.org> */
+/* This file is part of DeforaOS Desktop Flashlight */
+/* All rights reserved.
+ *
+ * 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * HOLDER OR 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 "backend.h"
+
+#warning Unsupported platform: using dummy backend
+#include "backend/dummy.c"

src/backend.h

@@ -0,0 +1,50 @@
+/* $Id$ */
+/* Copyright (c) 2016 Pierre Pronchery <khorben@defora.org> */
+/* This file is part of DeforaOS Desktop Flashlight */
+/* All rights reserved.
+ *
+ * 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * HOLDER OR 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. */
+
+
+
+#ifndef FLASHLIGHT_BACKEND_H
+# define FLASHLIGHT_BACKEND_H
+
+
+/* FlashlightBackend */
+/* types */
+typedef enum _FlashlightBackendActive
+{
+	FBA_UNKNOWN = -1,
+	FBA_INACTIVE = 0,
+	FBA_ACTIVE = 1
+} FlashlightBackendActive;
+
+
+/* functions */
+/* accessors */
+FlashlightBackendActive flashlightbackend_get(void);
+int flashlightbackend_set(FlashlightBackendActive active);
+
+#endif /* !FLASHLIGHT_BACKEND_H */

src/backend/dummy.c

@@ -0,0 +1,45 @@
+/* $Id$ */
+/* Copyright (c) 2016 Pierre Pronchery <khorben@defora.org> */
+/* This file is part of DeforaOS Desktop Flashlight */
+/* All rights reserved.
+ *
+ * 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * HOLDER OR 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 "../backend.h"
+
+
+/* flashlightbackend_get */
+FlashlightBackendActive flashlightbackend_get(void)
+{
+	return FBA_UNKNOWN;
+}
+
+
+/* flashlightbackend_set */
+int flashlightbackend_set(FlashlightBackendActive active)
+{
+	return 0;
+}

src/backend/project.conf

@@ -0,0 +1 @@
+dist=Makefile,dummy.c

src/flashlight.c

@@ -30,6 +30,7 @@
 
 #include <System.h>
 #include <Desktop.h>
+#include "backend.h"
 #include "flashlight.h"
 
 
@@ -94,8 +95,16 @@ void flashlight_delete(Flashlight * flashlight)
 /* flashlight_get_active */
 gboolean flashlight_get_active(Flashlight * flashlight)
 {
-	return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(
-				flashlight->co_main));
+	switch(flashlightbackend_get())
+	{
+		case FBA_ACTIVE:
+			return TRUE;
+		case FBA_INACTIVE:
+			return FALSE;
+		default:
+			return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(
+						flashlight->co_main));
+	}
 }
 
 
@@ -109,6 +118,7 @@ GtkWidget * flashlight_get_widget(Flashlight * flashlight)
 /* flashlight_set_active */
 void flashlight_set_active(Flashlight * flashlight, gboolean active)
 {
+	flashlightbackend_set(active);
 	gtk_widget_set_sensitive(flashlight->image, active);
 	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(flashlight->co_main),
 			active);

src/project.conf

@@ -1,16 +1,20 @@
+subdirs=backend
 targets=flashlight
 cflags=-W -Wall -g -O2 -pedantic -fPIE -D_FORTIFY_SOURCE=2 -fstack-protector-all
 ldflags=-Wl,-pie -Wl,-z,relro -Wl,-z,now
 cflags_force=`pkg-config --cflags libDesktop`
 ldflags_force=`pkg-config --libs libDesktop`
-dist=Makefile,flashlight.h,window.h
+dist=Makefile,backend.h,flashlight.h,window.h
 
 [flashlight]
 type=binary
-sources=flashlight.c,window.c,main.c
+sources=backend.c,flashlight.c,window.c,main.c
+
+[backend.c]
+depends=backend.h,backend/dummy.c
 
 [flashlight.c]
-depends=flashlight.h
+depends=backend.h,flashlight.h
 
 [main.c]
 depends=window.h,../config.h