Adding Async remote loading to ImageVisual

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

diff --git a/dali-toolkit/internal/visuals/image/image-visual.h b/dali-toolkit/internal/visuals/image/image-visual.h
index f771f6d..9113437 100644 (file)
--- a/dali-toolkit/internal/visuals/image/image-visual.h
+++ b/dali-toolkit/internal/visuals/image/image-visual.h
@@ -27,6 +27,7 @@
 
 // INTERNAL INCLUDES
 #include <dali-toolkit/devel-api/image-loader/atlas-upload-observer.h>
+#include <dali-toolkit/internal/visuals/texture-upload-observer.h>
 #include <dali-toolkit/internal/visuals/visual-base-impl.h>
 #include <dali-toolkit/internal/visuals/visual-url.h>
 
@@ -94,7 +95,7 @@ typedef IntrusivePtr< ImageVisual > ImageVisualPtr;
  * If the Visual is in a LayerUI it will pixel align the image, using a Layer3D will disable pixel alignment.
  * Changing layer behaviour between LayerUI to Layer3D whilst the visual is already staged will not have an effect.
  */
-class ImageVisual: public Visual::Base, public ConnectionTracker, public AtlasUploadObserver
+class ImageVisual: public Visual::Base, public ConnectionTracker, public AtlasUploadObserver, public TextureUploadObserver
 {
 public:
 
@@ -231,6 +232,14 @@ public:
    */
   virtual void UploadCompleted();
 
+  /**
+   * @copydoc TextureUploadObserver::UploadCompleted
+   *
+   * To avoid rendering garbage pixels, renderer should be added to actor after the resources are ready.
+   * This callback is the place to add the renderer as it would be called once the loading is finished.
+   */
+  virtual void UploadComplete( bool success, TextureSet textureSet, bool usingAtlas, const Vector4& atlasRectangle );
+
 private:
 
   /**
@@ -286,21 +295,15 @@ private:
   TextureSet CreateTextureSet( Vector4& textureRect, bool synchronousLoading, bool attemptAtlasing );
 
   /**
-   * Callback function of image resource loading succeed
-   * @param[in] image The Image content that we attempted to load from mImageUrl
-   */
-  void OnImageLoaded( ResourceImage image );
-
-  /**
    * Set the value to the uTextureRect uniform
    * @param[in] textureRect The texture rectangular area.
    */
   void SetTextureRectUniform( const Vector4& textureRect  );
 
   /**
-   * Remove the image from atlas if it is not used anymore.
+   * Remove the texture if it is not used anymore.
    */
-  void RemoveFromAtlas(const std::string& url);
+  void RemoveTexture(const std::string& url);
 
   /**
    * Helper method to set individual values by index key.
@@ -318,13 +321,14 @@ private:
   VisualUrl mImageUrl;
 
   Dali::ImageDimensions mDesiredSize;
+  TextureManager::TextureId mTextureId;
+
   Dali::FittingMode::Type mFittingMode:3;
   Dali::SamplingMode::Type mSamplingMode:4;
   Dali::WrapMode::Type mWrapModeU:3;
   Dali::WrapMode::Type mWrapModeV:3;
-
-  bool mAttemptAtlasing:1; // If true will attempt atlasing, otherwise create unique texture
-
+  bool mAttemptAtlasing:1; ///< If true will attempt atlasing, otherwise create unique texture
+  bool mTextureLoading:1;  ///< True if the texture is being loaded asynchronously, or false when it has loaded.
 };
 
 } // namespace Internal