From 2da05a4c71bfe9b136384d9e94fbfbef19f24550 Mon Sep 17 00:00:00 2001
From: Nivesh Rajbhandari
Date: Wed, 27 Jun 2012 17:28:06 -0700
Subject: Performance fix for WebGL materials playing even when the dialog/file
 is no longer in view.

Also pausing videos when switching documents.

Signed-off-by: Nivesh Rajbhandari <mqg734@motorola.com>
---
 js/document/views/base.js   |  3 +++
 js/document/views/design.js | 29 +++++++++++++++++++++++++----
 2 files changed, 28 insertions(+), 4 deletions(-)

(limited to 'js/document')

diff --git a/js/document/views/base.js b/js/document/views/base.js
index d13dce1a..89759195 100755
--- a/js/document/views/base.js
+++ b/js/document/views/base.js
@@ -40,6 +40,7 @@ exports.BaseDocumentView = Montage.create(Component, {
         	if (this.iframe) {
         		this.iframe.style.display = 'block';
                 this.iframe.style.opacity = 1;
+                this.toggleWebGlAnimation(true);
         	} else {
         		console.log('Error: View has no iframe to show!');
         	}
@@ -54,6 +55,8 @@ exports.BaseDocumentView = Montage.create(Component, {
         	if (this.iframe) {
         		this.iframe.style.display = 'none';
                 this.iframe.style.opacity = 0;
+                this.pauseVideos();
+                this.toggleWebGlAnimation(false);
         	} else {
         		console.log('Error: View has no iframe to hide!');
         	}
diff --git a/js/document/views/design.js b/js/document/views/design.js
index 6a60e1f9..5c7ba4fc 100755
--- a/js/document/views/design.js
+++ b/js/document/views/design.js
@@ -497,9 +497,11 @@ exports.DesignDocumentView = Montage.create(BaseDocumentView, {
     //
     pauseVideos:{
         value:function(){
-        	var i, videos = this.document.getElementsByTagName("video");
-            for(i = 0; i < videos.length; i++){
-                if(!videos[i].paused) videos[i].pause();
+            if(this.document) {
+                var i, videos = this.document.getElementsByTagName("video");
+                for(i = 0; i < videos.length; i++){
+                    if(!videos[i].paused) videos[i].pause();
+                }
             }
         }
     },
@@ -523,9 +525,28 @@ exports.DesignDocumentView = Montage.create(BaseDocumentView, {
                 videos[i].src = "";
             }
         }
-    }
+    },
 	////////////////////////////////////////////////////////////////////
 	////////////////////////////////////////////////////////////////////
+    toggleWebGlAnimation: {
+        value: function(show) {
+            if(this.document) {
+                var glCanvases = this.document.querySelectorAll('[data-RDGE-id]'),
+                    glShapeModel;
+                if(glCanvases) {
+                    for(var i = 0, len = glCanvases.length; i<len; i++) {
+                        glShapeModel = glCanvases[i].elementModel.shapeModel;
+                        if(show) {
+                            glShapeModel.GLWorld.restartRenderLoop();
+                        } else {
+                            glShapeModel.GLWorld.stop();
+                        }
+                    }
+
+                }
+            }
+        }
+    }
 });
 ////////////////////////////////////////////////////////////////////////
 ////////////////////////////////////////////////////////////////////////
\ No newline at end of file
-- 
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