Add macro for special fine-grained logging

CMakeLists.txt

@@ -58,12 +58,15 @@ option(BUILD_TESTS "Build Tomahawk with unit tests" ON)
 option(BUILD_HATCHET "Build the Hatchet plugin" OFF)
 option(BUILD_WITH_QT4 "Build Tomahawk with Qt4 no matter if Qt5 was found" ON)
 
-option(SANITIZE_ADDRESS "Enable Address Sanitizer for memory error detection" OFF)
 option(WITH_CRASHREPORTER "Build with CrashReporter" ON)
 option(WITH_BINARY_ATTICA "Enable support for downloading binary resolvers automatically" ON)
 option(LEGACY_KDE_INTEGRATION "Install tomahawk.protocol file, deprecated since 4.6.0" OFF)
 option(WITH_KDE4 "Build with support for KDE specific stuff" ON)
 
+# build options for development purposes
+option(SANITIZE_ADDRESS "Enable Address Sanitizer for memory error detection" OFF)
+option(TOMAHAWK_FINEGRAINED_MESSAGES "Enable even more verbose logging (will hurt performance significantly" OFF)
+
 CMAKE_DEPENDENT_OPTION(WITH_UPOWER "Build with support for UPower events" ON
        "UNIX;NOT APPLE" OFF)
 CMAKE_DEPENDENT_OPTION(WITH_GNOMESHORTCUTHANDLER "Build with shortcut handler for GNOME" ON

src/libtomahawk/utils/Logger.h

@@ -22,6 +22,7 @@
 #include <QDebug>
 
 #include "DllMacro.h"
+#include "config.h"
 
 #define LOGDEBUG 1
 #define LOGINFO 2
@@ -69,4 +70,12 @@ namespace Logger
 #define tSqlLog Logger::TSqlLog
 DLLEXPORT void tLogNotifyShutdown();
 
+// Macro for messages that severely hurt performance but are helpful
+// in some cases for better debugging.
+#ifdef TOMAHAWK_FINEGRAINED_MESSAGES
+    #define FINEGRAINED_MSG(a) tDebug( LOGVERBOSE ) << a ;
+#else
+    #define FINEGRAINED_MSG(a)
+#endif
+
 #endif // TOMAHAWK_LOGGER_H

src/tomahawk/Config.h.in

@@ -22,4 +22,6 @@
 #cmakedefine LIBLASTFM_FOUND
 #cmakedefine QCA2_FOUND
 
+#cmakedefine TOMAHAWK_FINEGRAINED_MESSAGES
+
 #endif // CONFIG_H_IN