DivestOS/Patches/LineageOS-14.1/android_frameworks_base/0001-Reduced_Resolution.patch
2017-10-20 19:00:24 -04:00

195 lines
7.3 KiB
Diff

From 56c76ff50e2c410aec349110c23b95556d0f2ade Mon Sep 17 00:00:00 2001
From: Tad <tad@spotco.us>
Date: Fri, 20 Oct 2017 18:57:18 -0400
Subject: [PATCH] Reduced Resolution Feature 2/2
Change-Id: If18913234f902410f87f8664f1017c83944544ee
---
core/java/android/os/IPowerManager.aidl | 2 +
core/java/android/os/PowerManager.java | 30 +++++++++
.../android/server/power/PowerManagerService.java | 72 ++++++++++++++++++++++
3 files changed, 104 insertions(+)
diff --git a/core/java/android/os/IPowerManager.aidl b/core/java/android/os/IPowerManager.aidl
index 26eb7f169a0..38bd8a4e386 100644
--- a/core/java/android/os/IPowerManager.aidl
+++ b/core/java/android/os/IPowerManager.aidl
@@ -46,6 +46,8 @@ interface IPowerManager
boolean isInteractive();
boolean isPowerSaveMode();
boolean setPowerSaveMode(boolean mode);
+ boolean isReducedResolution();
+ boolean setReducedResolution(boolean mode);
boolean isDeviceIdleMode();
boolean isLightDeviceIdleMode();
diff --git a/core/java/android/os/PowerManager.java b/core/java/android/os/PowerManager.java
index 5c8effec0ed..54dd5965373 100644
--- a/core/java/android/os/PowerManager.java
+++ b/core/java/android/os/PowerManager.java
@@ -988,6 +988,36 @@ public final class PowerManager {
}
}
+ /**
+ * Returns true if the WindowManager is running at a reduced resolution
+ *
+ * @return Returns true if WindowManager is set to a reduced resolution, else false.
+ */
+ public boolean isReducedResolution() {
+ try {
+ return mService.isReducedResolution();
+ } catch (RemoteException e) {
+ throw e.rethrowFromSystemServer();
+ }
+ }
+
+ /**
+ * Set the reduced resolution mode
+ *
+ * @return True if the set was allowed.
+ *
+ * @see #isReducedResolution()
+ *
+ * @hide
+ */
+ public boolean setReducedResolution(boolean mode) {
+ try {
+ return mService.setReducedResolution(mode);
+ } catch (RemoteException e) {
+ throw e.rethrowFromSystemServer();
+ }
+ }
+
/**
* Returns true if the device is currently in idle mode. This happens when a device
* has been sitting unused and unmoving for a sufficiently long period of time, so that
diff --git a/services/core/java/com/android/server/power/PowerManagerService.java b/services/core/java/com/android/server/power/PowerManagerService.java
index 55d0809ee4e..668176dc761 100644
--- a/services/core/java/com/android/server/power/PowerManagerService.java
+++ b/services/core/java/com/android/server/power/PowerManagerService.java
@@ -29,6 +29,7 @@ import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.database.ContentObserver;
+import android.graphics.Point;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
@@ -67,6 +68,7 @@ import android.util.Slog;
import android.util.SparseIntArray;
import android.util.TimeUtils;
import android.view.Display;
+import android.view.IWindowManager;
import android.view.WindowManagerPolicy;
import com.android.internal.app.IAppOpsService;
@@ -203,6 +205,7 @@ public final class PowerManagerService extends SystemService
private final Context mContext;
private final ServiceThread mHandlerThread;
private final PowerManagerHandler mHandler;
+ private final IWindowManager mWm;
private LightsManager mLightsManager;
private BatteryManagerInternal mBatteryManagerInternal;
@@ -583,6 +586,8 @@ public final class PowerManagerService extends SystemService
Process.THREAD_PRIORITY_DISPLAY, false /*allowIo*/);
mHandlerThread.start();
mHandler = new PowerManagerHandler(mHandlerThread.getLooper());
+ mWm = IWindowManager.Stub.asInterface(ServiceManager.checkService(
+ Context.WINDOW_SERVICE));
qcNsrmPowExt = new QCNsrmPowerExtension(this);
synchronized (mLock) {
mWakeLockSuspendBlocker = createSuspendBlockerLocked("PowerManagerService.WakeLocks");
@@ -2658,6 +2663,46 @@ public final class PowerManagerService extends SystemService
}
}
+ private boolean isReducedResolutionInternal() {
+ synchronized (mLock) {
+ Point initialSize = new Point();
+ Point baseSize = new Point();
+
+ mWm.getInitialDisplaySize(Display.DEFAULT_DISPLAY, initialSize);
+ mWm.getBaseDisplaySize(Display.DEFAULT_DISPLAY, baseSize);
+
+ return !initialSize.equals(baseSize);
+ }
+ }
+
+ private boolean isLowPowerModeInternal(boolean mode) {
+ synchronized (mLock) {
+ if (mode) {
+ Point initialSize = new Point();
+ mWm.getInitialDisplaySize(Display.DEFAULT_DISPLAY, initialSize);
+
+ Point newSize;
+
+ if (initialSize.x == 1440 && initialSize.y == 2560) {//16:9
+ newSize = new Point(1080, 1920);//.75
+ } else if(initialSize.x == 1200 && initialSize.y == 1920) {//16:10
+ newSize = new Point(900, 1440);//.75
+ } else if(initialSize.x == 1080 && initialSize.y == 1920) {//16:9
+ newSize = new Point(720, 1280);//.50
+ } else if(initialSize.x == 768 && initialSize.y == 1280) {//5:3
+ newSize = new Point(576, 960);//.75
+ } else {
+ return false;
+ }
+
+ mWm.setForcedDisplaySize(Display.DEFAULT_DISPLAY, newSize.x, newSize.y);
+ } else {
+ mWm.clearForcedDisplaySize(Display.DEFAULT_DISPLAY);
+ }
+ return isReducedResolutionInternal();
+ }
+ }
+
boolean isDeviceIdleModeInternal() {
synchronized (mLock) {
return mDeviceIdleMode;
@@ -3833,6 +3878,28 @@ public final class PowerManagerService extends SystemService
}
}
+ @Override // Binder call
+ public boolean isReducedResolutionMode() {
+ final long ident = Binder.clearCallingIdentity();
+ try {
+ return isReducedResolutionInternal();
+ } finally {
+ Binder.restoreCallingIdentity(ident);
+ }
+ }
+
+ @Override // Binder call
+ public boolean setReducedResolutionode(boolean mode) {
+ mContext.enforceCallingOrSelfPermission(
+ android.Manifest.permission.DEVICE_POWER, null);
+ final long ident = Binder.clearCallingIdentity();
+ try {
+ return setReducedResolutionInternal(mode);
+ } finally {
+ Binder.restoreCallingIdentity(ident);
+ }
+ }
+
@Override // Binder call
public boolean isDeviceIdleMode() {
final long ident = Binder.clearCallingIdentity();
@@ -4214,6 +4281,11 @@ public final class PowerManagerService extends SystemService
return setLowPowerModeInternal(mode);
}
+ @Override
+ public boolean setReducedResolution(boolean mode) {
+ return setReducedResolutionInternal(mode);
+ }
+
@Override
public int getFeature(int featureId) {
return nativeGetFeature(featureId);
--
2.14.2