Updated FrameCallback to return value to specify whether we should keep rendering

Change-Id: I9bab06497d830d44188ae3f6e9a59ea1a21d3310

diff --git a/examples/frame-callback/frame-callback.cpp b/examples/frame-callback/frame-callback.cpp
index 88c66f6..d1bf17f 100644 (file)
--- a/examples/frame-callback/frame-callback.cpp
+++ b/examples/frame-callback/frame-callback.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2023 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -37,7 +37,7 @@ void FrameCallback::AddId(uint32_t id)
   mActorIdContainer.PushBack(id);
 }
 
-void FrameCallback::Update(Dali::UpdateProxy& updateProxy, float /* elapsedSeconds */)
+bool FrameCallback::Update(Dali::UpdateProxy& updateProxy, float /* elapsedSeconds */)
 {
   // Go through Actor ID container and check if we've hit the sides.
   for(auto&& i : mActorIdContainer)
@@ -67,4 +67,7 @@ void FrameCallback::Update(Dali::UpdateProxy& updateProxy, float /* elapsedSecon
       }
     }
   }
+
+  // We don't need it to keep rendering.
+  return false;
 }

diff --git a/examples/frame-callback/frame-callback.h b/examples/frame-callback/frame-callback.h
index e41db59..7d6e335 100644 (file)
--- a/examples/frame-callback/frame-callback.h
+++ b/examples/frame-callback/frame-callback.h
@@ -2,7 +2,7 @@
 #define DEMO_FRAME_CALLBACK_H
 
 /*
- * Copyright (c) 2020 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2023 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -54,8 +54,9 @@ private:
    * @brief Called when every frame is updated.
    * @param[in]  updateProxy     Used to set the world-matrix and sizes.
    * @param[in]  elapsedSeconds  Time elapsed time since the last frame (in seconds)
+   * @return Whether we should keep rendering.
    */
-  virtual void Update(Dali::UpdateProxy& updateProxy, float elapsedSeconds);
+  virtual bool Update(Dali::UpdateProxy& updateProxy, float elapsedSeconds);
 
 private:
   Dali::Vector<uint32_t> mActorIdContainer; ///< Container of Actor IDs.