android: Drop unused GLController#waitForValidSurface

The method is unused, so drop it, and also the now never
read `mSurfaceValid` member.

Likely, the comment that the method is invoked via JNI
was never valid for LibreOffice Viewer, but is from Gecko/Fennec
days, similar to the case in the previous commit,

Change-Id I54dd33a2ce30ebdc375a7c1fefacca6e99d2f571
Author: Michael Weghorn <m.weghorn@posteo.de>
Date:   Wed Nov 8 15:10:19 2023 +0100

android: Drop unused GLController#resumeCompositorIfValid etc.

Change-Id: I165d2c7ebf5b9ce940b608d738d9a10d5bef69ea
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/159160
Tested-by: Jenkins
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>

1 files changed, 0 insertions, 17 deletions

diff --git a/android/source/src/java/org/mozilla/gecko/gfx/GLController.java b/android/source/src/java/org/mozilla/gecko/gfx/GLController.java
index 76af0e78fc4d..2c503ab8b302 100644
--- a/android/source/src/java/org/mozilla/gecko/gfx/GLController.java
+++ b/android/source/src/java/org/mozilla/gecko/gfx/GLController.java
@@ -20,7 +20,6 @@ public class GLController {
 
     private LayerView mView;
     private int mGLVersion;
-    private boolean mSurfaceValid;
     private int mWidth, mHeight;
 
     private EGL10 mEGL;
@@ -45,7 +44,6 @@ public class GLController {
     public GLController(LayerView view) {
         mView = view;
         mGLVersion = 2;
-        mSurfaceValid = false;
     }
 
     public void setGLVersion(int version) {
@@ -116,19 +114,6 @@ public class GLController {
         mGL = null;
         return true;
     }
-
-    // Wait until we are allowed to use EGL functions on the Surface backing
-    // this window. This function is invoked by JNI
-    public synchronized void waitForValidSurface() {
-        while (!mSurfaceValid) {
-            try {
-                wait();
-            } catch (InterruptedException e) {
-                throw new RuntimeException(e);
-            }
-        }
-    }
-
     public synchronized int getWidth() {
         return mWidth;
     }
@@ -138,14 +123,12 @@ public class GLController {
     }
 
     synchronized void surfaceDestroyed() {
-        mSurfaceValid = false;
         notifyAll();
     }
 
     synchronized void surfaceChanged(int newWidth, int newHeight) {
         mWidth = newWidth;
         mHeight = newHeight;
-        mSurfaceValid = true;
         notifyAll();
     }