Prevent texture removal after TextureManager destroyed

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / visuals / animated-image / image-cache.h

diff --git a/dali-toolkit/internal/visuals/animated-image/image-cache.h b/dali-toolkit/internal/visuals/animated-image/image-cache.h
index 1a7ae75..e8277de 100644 (file)
--- a/dali-toolkit/internal/visuals/animated-image/image-cache.h
+++ b/dali-toolkit/internal/visuals/animated-image/image-cache.h
@@ -28,7 +28,7 @@ namespace Toolkit
 namespace Internal
 {
 
-class ImageCache
+class ImageCache : public TextureManager::LifecycleObserver
 {
 public:
   /**
@@ -85,6 +85,12 @@ public:
    */
   virtual TextureSet NextFrame() = 0;
 
+private:
+  /**
+   * Called before the texture manager is destroyed.
+   */
+  virtual void TextureManagerDestroyed() override final;
+
 protected:
   TextureManager&        mTextureManager;
   FrameReadyObserver&    mObserver;
@@ -92,6 +98,7 @@ protected:
   unsigned int           mUrlIndex;
   bool                   mWaitingForReadyFrame:1;
   bool                   mRequestingLoad:1;
+  bool                   mTextureManagerAlive:1;
 };
 
 } //namespace Internal