From dfce8148e3ba5dab4c56846e0b67639627ee6112 Mon Sep 17 00:00:00 2001
From: Kearwood Kip Gilbert <kgilbert@mozilla.com>
Date: Sun, 28 Jul 2019 17:14:33 -0700
Subject: [PATCH] Implementing Async API

---
 kraken/KRContext.cpp   | 13 +++++++++++++
 kraken/KRContext.h     |  4 +++-
 kraken/kraken.cpp      |  5 ++++-
 kraken/public/kraken.h |  2 ++
 4 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/kraken/KRContext.cpp b/kraken/KRContext.cpp
index af16883..eb31d61 100755
--- a/kraken/KRContext.cpp
+++ b/kraken/KRContext.cpp
@@ -320,6 +320,19 @@ void KRContext::loadResource(std::string path) {
     }
 }
 
+KrResult KRContext::unloadResource(const KrUnloadResourceInfo* unloadResourceInfo)
+{
+  if (unloadResourceInfo->resourceHandle < 0 || unloadResourceInfo->resourceHandle >= m_resourceMapSize) {
+    return KR_ERROR_OUT_OF_BOUNDS;
+  }
+  KRResource* resource = m_resourceMap[unloadResourceInfo->resourceHandle];
+  if (resource == nullptr) {
+    return KR_ERROR_NOT_MAPPED;
+  }
+  // TODO - Need to implement unloading logic
+  return KR_ERROR_NOT_IMPLEMENTED;
+}
+
 void KRContext::detectExtensions() {
     m_bDetectedExtensions = true;
     
diff --git a/kraken/KRContext.h b/kraken/KRContext.h
index cbe522a..e3db96f 100755
--- a/kraken/KRContext.h
+++ b/kraken/KRContext.h
@@ -37,7 +37,9 @@ public:
     
     KRContext(const KrInitializeInfo* initializeInfo);
     ~KRContext();
-    
+
+    KrResult unloadResource(const KrUnloadResourceInfo* unloadResourceInfo);
+
     void loadResource(const std::string &file_name, KRDataBlock *data);
     void loadResource(std::string path);
     
diff --git a/kraken/kraken.cpp b/kraken/kraken.cpp
index 23e9077..04df061 100644
--- a/kraken/kraken.cpp
+++ b/kraken/kraken.cpp
@@ -36,7 +36,10 @@ KrResult KrLoadResource(const KrLoadResourceInfo* pLoadResourceInfo)
 
 KrResult KrUnloadResource(const KrUnloadResourceInfo* pUnloadResourceInfo)
 {
-  return KR_ERROR_NOT_IMPLEMENTED;
+  if (!sContext) {
+    return KR_ERROR_NOT_INITIALIZED;
+  }
+  return sContext->unloadResource(pUnloadResourceInfo);
 }
 
 KrResult KrSaveResource(const KrSaveResourceInfo* pSaveResourceInfo)
diff --git a/kraken/public/kraken.h b/kraken/public/kraken.h
index 185f467..d982815 100644
--- a/kraken/public/kraken.h
+++ b/kraken/public/kraken.h
@@ -39,6 +39,8 @@ typedef enum {
   KR_SUCCESS = 0,
   KR_ERROR_NOT_INITIALIZED = 1,
   KR_ERROR_NOT_IMPLEMENTED = 2,
+  KR_ERROR_OUT_OF_BOUNDS = 3,
+  KR_ERROR_NOT_MAPPED = 4,
   KR_RESULT_MAX_ENUM = 0x7FFFFFFF
 } KrResult;