commit e934da98496af9503b51ae1638267ec00403c720
author Peter Kalauskas <peskal@google.com> Tue Jan 21 15:15:22 2020 -0800
committer Peter Kalauskas <peskal@google.com> Wed Jan 22 16:12:02 2020 -0800
tree 7340c858b566a1bf8904fcd1dd4c77e89dd74bbe
parent e4a81f01a6afd26a6269c6998b136589e2cf2921

Add config_reducedTaskSnapshotScale

Add config_reducedTaskSnapshotScale to replace previously hardcoded
value of 0.5.

Test: TaskSnapshotPersisterLoaderTest
Test: TaskSnapshotCacheTest
Bug: 148092712
Change-Id: Ib414d244bda02544a52164aee64b73434d5e5631

services/core/java/com/android/server/wm/TaskSnapshotPersister.java

diff --git a/services/core/java/com/android/server/wm/TaskSnapshotPersister.java b/services/core/java/com/android/server/wm/TaskSnapshotPersister.java
index 38a7000..828775a 100644
--- a/services/core/java/com/android/server/wm/TaskSnapshotPersister.java
+++ b/services/core/java/com/android/server/wm/TaskSnapshotPersister.java
@@ -52,7 +52,6 @@
     private static final String TAG = TAG_WITH_CLASS_NAME ? "TaskSnapshotPersister" : TAG_WM;
     private static final String SNAPSHOTS_DIRNAME = "snapshots";
     private static final String REDUCED_POSTFIX = "_reduced";
-    private static final float REDUCED_SCALE = .5f;
     private static final float LOW_RAM_REDUCED_SCALE = .8f;
     static final boolean DISABLE_FULL_SIZED_BITMAPS = ActivityManager.isLowRamDeviceStatic();
     private static final long DELAY_MS = 100;
@@ -84,8 +83,13 @@
 
     TaskSnapshotPersister(WindowManagerService service, DirectoryResolver resolver) {
         mDirectoryResolver = resolver;
-        mReducedScale = ActivityManager.isLowRamDeviceStatic()
-                ? LOW_RAM_REDUCED_SCALE : REDUCED_SCALE;
+
+        if (ActivityManager.isLowRamDeviceStatic()) {
+            mReducedScale = LOW_RAM_REDUCED_SCALE;
+        } else {
+            mReducedScale = service.mContext.getResources().getFloat(
+                    com.android.internal.R.dimen.config_reducedTaskSnapshotScale);
+        }
         mUse16BitFormat = service.mContext.getResources().getBoolean(
                 com.android.internal.R.bool.config_use16BitTaskSnapshotPixelFormat);
     }