Use proper cache location for spotify on Mac too.

spotifyblob/blob/CMakeLists.txt

@@ -21,6 +21,10 @@ set(HEADERS
   spotifyclient.h
 )
 
+if(APPLE)
+  list(APPEND SOURCES spotify_utilities.mm)
+endif(APPLE)
+
 qt4_wrap_cpp(MOC ${HEADERS})
 
 if(WIN32 AND NOT CMAKE_BUILD_TYPE STREQUAL "Debug" AND NOT ENABLE_WIN32_CONSOLE)
@@ -40,6 +44,12 @@ target_link_libraries(clementine-spotifyblob
   clementine-spotifyblob-messages
 )
 
+if(APPLE)
+  target_link_libraries(clementine-spotifyblob
+    /System/Library/Frameworks/Foundation.framework
+  )
+endif(APPLE)
+
 if(NOT APPLE)
   # macdeploy.py takes care of this on mac
   install(TARGETS clementine-spotifyblob

spotifyblob/blob/spotify_utilities.cpp

@@ -7,6 +7,7 @@
 
 namespace utilities {
 
+#ifndef Q_OS_DARWIN  // See spotify_utilities.mm for Mac implementation.
 QString GetUserCacheDirectory() {
 #ifndef Q_OS_WINDOWS
   const char* xdg_cache_dir = getenv("XDG_CACHE_HOME");
@@ -15,14 +16,15 @@ QString GetUserCacheDirectory() {
   }
   return QString::fromLocal8Bit(xdg_cache_dir);
 
-#else
+#else  // Q_OS_WINDOWS
   const char* cache_dir = getenv("APPDATA");
   if (!cache_dir) {
     return QDir::homePath() + "/.config/";
   }
   return QDir::fromNativeSeparators(QString::fromLocal8Bit(cache_dir));
-#endif
+#endif  // Q_OS_WINDOWS
 }
+#endif  // Q_OS_DARWIN
 
 QString GetCacheDirectory() {
   QString user_cache = GetUserCacheDirectory();

spotifyblob/blob/spotify_utilities.h

@@ -5,6 +5,9 @@
 
 namespace utilities {
 
+// Get the path to the current user's local cache for all apps.
+QString GetUserCacheDirectory();
+// Get the path for Clementine's cache.
 QString GetCacheDirectory();
 
 }

spotifyblob/blob/spotify_utilities.mm

@@ -0,0 +1,27 @@
+#include "spotify_utilities.h"
+
+#import <Foundation/NSAutoreleasePool.h>
+#import <Foundation/NSPathUtilities.h>
+
+namespace utilities {
+
+QString GetUserCacheDirectory() {
+  NSAutoreleasePool* pool = [NSAutoreleasePool alloc];
+  [pool init];
+
+  NSArray* paths = NSSearchPathForDirectoriesInDomains(
+      NSCachesDirectory,
+      NSUserDomainMask,
+      YES);
+  QString ret;
+  if ([paths count] > 0) {
+    NSString* user_path = [paths objectAtIndex:0];
+    ret = QString::fromUtf8([user_path UTF8String]);
+  } else {
+    ret = "~/Library/Caches";
+  }
+  [pool drain];
+  return ret;
+}
+
+}