Replace global access to Data Cache Core with reference

Here, we do the same thing as CSettings with CDataCacheCore. Notice that
we place the new reference on the next line following CSettings so we can
scale to handle lots of dependencies with a clean git history.

Author: garbear

xbmc/ServiceManager.cpp

@@ -230,7 +230,8 @@ bool CServiceManager::StartAudioEngine()
 // stage 3 is called after successful initialization of WindowManager
 bool CServiceManager::InitStageThree()
 {
-  m_stereoscopicsManager.reset(new CStereoscopicsManager(*m_settings));
+  m_stereoscopicsManager.reset(new CStereoscopicsManager(*m_settings,
+                                                         *m_dataCacheCore));
   m_stereoscopicsManager->Initialize();
 
   // Peripherals depends on strings being loaded before stage 3

xbmc/guilib/StereoscopicsManager.cpp

@@ -98,8 +98,10 @@ static const struct StereoModeMap StringToGuiModeMap[] =
 };
 
 
-CStereoscopicsManager::CStereoscopicsManager(CSettings &settings) :
-  m_settings(settings)
+CStereoscopicsManager::CStereoscopicsManager(CSettings &settings,
+                                             CDataCacheCore &dataCacheCore) :
+  m_settings(settings),
+  m_dataCacheCore(dataCacheCore)
 {
   m_stereoModeSetByUser = RENDER_STEREO_MODE_UNDEFINED;
   m_lastStereoModeSetByUser = RENDER_STEREO_MODE_UNDEFINED;
@@ -495,7 +497,7 @@ std::string CStereoscopicsManager::GetVideoStereoMode()
 {
   std::string playerMode;
   if (g_application.GetAppPlayer().IsPlaying())
-    playerMode = CServiceBroker::GetDataCacheCore().GetVideoStereoMode();
+    playerMode = m_dataCacheCore.GetVideoStereoMode();
   return playerMode;
 }
 

xbmc/guilib/StereoscopicsManager.h

@@ -31,6 +31,7 @@
 #include "rendering/RenderSystem.h"
 
 class CAction;
+class CDataCacheCore;
 class CSettings;
 
 enum STEREOSCOPIC_PLAYBACK_MODE
@@ -46,7 +47,8 @@ class CStereoscopicsManager : public ISettingCallback,
                               public IMsgTargetCallback
 {
 public:
-  CStereoscopicsManager(CSettings &settings);
+  CStereoscopicsManager(CSettings &settings,
+                        CDataCacheCore &dataCacheCore);
   ~CStereoscopicsManager(void) override;
 
   void Initialize(void);
@@ -93,6 +95,7 @@ class CStereoscopicsManager : public ISettingCallback,
 
   // Construction parameters
   CSettings &m_settings;
+  CDataCacheCore &m_dataCacheCore;
 
   // Stereoscopic parameters
   RENDER_STEREO_MODE m_stereoModeSetByUser;