From f737d284d3899479cbf86f7c52ffc70efde22665 Mon Sep 17 00:00:00 2001
From: "taeyoon0.lee" <taeyoon0.lee@samsung.com>
Date: Tue, 23 May 2017 18:20:00 +0900
Subject: [PATCH] [3.0] Added handler for
 ECORE_WL_EVENT_WINDOW_VISIBILITY_CHANGE

 - Adaptor will be paused/resumed if ECORE_WL_EVENT_WINDOW_VISIBILITY_CHANGE is changed

Change-Id: I7ad874d85cfe3eef26b7225462fcba89f7defec9
---
 adaptors/ecore/wayland/window-impl-ecore-wl.cpp | 39 +++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/adaptors/ecore/wayland/window-impl-ecore-wl.cpp b/adaptors/ecore/wayland/window-impl-ecore-wl.cpp
index 576e348..96abe81 100644
--- a/adaptors/ecore/wayland/window-impl-ecore-wl.cpp
+++ b/adaptors/ecore/wayland/window-impl-ecore-wl.cpp
@@ -64,6 +64,7 @@ struct Window::EventHandler
   : mWindow( window ),
     mWindowPropertyHandler( NULL ),
     mWindowIconifyStateHandler( NULL ),
+    mWindowVisibilityStateHandler( NULL ),
     mEcoreWindow( 0 )
   {
     // store ecore window handle
@@ -78,6 +79,7 @@ struct Window::EventHandler
     if( mWindow->mEcoreEventHander )
     {
       mWindowIconifyStateHandler = ecore_event_handler_add( ECORE_WL_EVENT_WINDOW_ICONIFY_STATE_CHANGE, EcoreEventWindowIconifyStateChanged, this );
+      mWindowVisibilityStateHandler = ecore_event_handler_add( ECORE_WL_EVENT_WINDOW_VISIBILITY_CHANGE, EcoreEventWindowVisibilityChanged, this );
     }
 #endif
 
@@ -92,10 +94,16 @@ struct Window::EventHandler
     {
       ecore_event_handler_del( mWindowPropertyHandler );
     }
+
     if ( mWindowIconifyStateHandler )
     {
       ecore_event_handler_del( mWindowIconifyStateHandler );
     }
+
+    if ( mWindowVisibilityStateHandler )
+    {
+      ecore_event_handler_del( mWindowVisibilityStateHandler );
+    }
   }
 
   // Static methods
@@ -135,12 +143,43 @@ struct Window::EventHandler
 
     return handled;
   }
+
+  /// Called when the window visibility is changed.
+  static Eina_Bool EcoreEventWindowVisibilityChanged( void* data, int type, void* event )
+  {
+    Ecore_Wl_Event_Window_Visibility_Change* visibilityChangedEvent( (Ecore_Wl_Event_Window_Visibility_Change*)event );
+    EventHandler* handler( (EventHandler*)data );
+    Eina_Bool handled( ECORE_CALLBACK_PASS_ON );
+
+    if ( handler && handler->mWindow )
+    {
+      WindowVisibilityObserver* observer( handler->mWindow->mAdaptor );
+      if ( observer && ( visibilityChangedEvent->win == (unsigned int) ecore_wl_window_id_get( handler->mEcoreWindow ) ) )
+      {
+        if( visibilityChangedEvent->fully_obscured == 1 )
+        {
+          observer->OnWindowHidden();
+          DALI_LOG_INFO( gWindowLogFilter, Debug::General, "Window (%d) full obscured\n", handler->mEcoreWindow );
+        }
+        else
+        {
+          observer->OnWindowShown();
+          DALI_LOG_INFO( gWindowLogFilter, Debug::General, "Window (%d) Shown\n", handler->mEcoreWindow );
+        }
+        handled = ECORE_CALLBACK_DONE;
+      }
+    }
+
+    return handled;
+  }
+
 #endif
 
   // Data
   Window* mWindow;
   Ecore_Event_Handler* mWindowPropertyHandler;
   Ecore_Event_Handler* mWindowIconifyStateHandler;
+  Ecore_Event_Handler* mWindowVisibilityStateHandler;
   Ecore_Wl_Window* mEcoreWindow;
 };
 
-- 
2.7.4