From b666605c96ddb9e5d5025336ab3debe313b2ba73 Mon Sep 17 00:00:00 2001
From: Jeremy Press <jpress@box.com>
Date: Mon, 13 Nov 2017 17:04:41 -0800
Subject: [PATCH] Fix: Simplify video resize logic (#480)

---
 src/lib/viewers/media/DashViewer.js             | 17 +++--------------
 .../viewers/media/__tests__/DashViewer-test.js  | 16 ----------------
 2 files changed, 3 insertions(+), 30 deletions(-)

diff --git a/src/lib/viewers/media/DashViewer.js b/src/lib/viewers/media/DashViewer.js
index cd304a9a8..f9ecfdc84 100644
--- a/src/lib/viewers/media/DashViewer.js
+++ b/src/lib/viewers/media/DashViewer.js
@@ -507,28 +507,17 @@ class DashViewer extends VideoBaseViewer {
         // that larger than the current videoHeight.
         this.mediaEl.style.width = '';
 
-        // Add a new width or height. Don't need to add both
-        // since the video will auto adjust the other dimension accordingly.
-        if (fullscreen.isFullscreen(this.containerEl)) {
-            // Case 1: Full screen mode, stretch the video
-            // to fit the whole screen irrespective of its width and height.
-
-            if (this.aspect >= 1) {
-                this.mediaEl.style.width = `${viewport.width}px`;
-            } else {
-                this.mediaEl.style.width = `${viewport.height * this.aspect}px`;
-            }
-        } else if (width <= viewport.width && height <= viewport.height) {
-            // Case 2: The video ends up fitting within the viewport of preview
+        if (!fullscreen.isFullscreen(this.containerEl) && (width <= viewport.width && height <= viewport.height)) {
+            // Case 1: The video ends up fitting within the viewport of preview
             // For this case, just set the video player dimensions to match the
             // actual video's dimenstions.
-
             if (this.aspect >= 1) {
                 this.mediaEl.style.width = `${width}px`;
             } else {
                 this.mediaEl.style.width = `${height * this.aspect}px`;
             }
         } else {
+            // Case 2: The video is now in fullscreen and needs to be scaled
             // Case 3: The video overflows the viewport of preview
             // For this case, try fitting in the video by reducing
             // either its width or its height.
diff --git a/src/lib/viewers/media/__tests__/DashViewer-test.js b/src/lib/viewers/media/__tests__/DashViewer-test.js
index 192424c43..fedbb22e9 100644
--- a/src/lib/viewers/media/__tests__/DashViewer-test.js
+++ b/src/lib/viewers/media/__tests__/DashViewer-test.js
@@ -838,22 +838,6 @@ describe('lib/viewers/media/DashViewer', () => {
             dash.resize();
             expect(dash.mediaEl.style.width).to.equal('325px');
         });
-
-        describe('Full screen mode', () => {
-            it('should set mediaEl width to viewport width if aspect ratio is >= 1', () => {
-                sandbox.stub(fullscreen, 'isFullscreen').returns(true);
-                dash.resize();
-                expect(dash.mediaEl.style.width).to.equal('600px');
-            });
-
-            it('should set mediaEl width to adjusted viewport height if aspect ratio is < 1', () => {
-                sandbox.stub(fullscreen, 'isFullscreen').returns(true);
-                dash.aspect = 0.5;
-                dash.resize();
-                expect(dash.mediaEl.style.width).to.equal('325px');
-            });
-        });
-
         describe('Video fits in the viewport of preview', () => {
             it('should set mediaEl width to video width if aspect ratio is >= 1', () => {
                 dash.resize();