Merge pull request #8871 from unknownbrackets/android-power

Detect power saving mode on Android

Core/Core.cpp

@@ -56,9 +56,10 @@ static bool windowHidden = false;
 static double lastActivity = 0.0;
 static double lastKeepAwake = 0.0;
 static GraphicsContext *graphicsContext;
+static bool powerSaving = false;
 
 void Core_SetGraphicsContext(GraphicsContext *ctx) {
-  graphicsContext = ctx;
+	graphicsContext = ctx;
 }
 
 void Core_NotifyWindowHidden(bool hidden) {
@@ -120,6 +121,14 @@ void Core_WaitInactive(int milliseconds) {
 	}
 }
 
+void Core_SetPowerSaving(bool mode) {
+	powerSaving = mode;
+}
+
+bool Core_GetPowerSaving() {
+	return powerSaving;
+}
+
 bool UpdateScreenScale(int width, int height, bool smallWindow) {
 	g_dpi = 72;
 	g_dpi_scale = 1.0f;

Core/Core.h

@@ -52,3 +52,6 @@ bool UpdateScreenScale(int width, int height, bool smallWindow);
 // Don't run the core when minimized etc.
 void Core_NotifyWindowHidden(bool hidden);
 void Core_NotifyActivity();
+
+void Core_SetPowerSaving(bool mode);
+bool Core_GetPowerSaving();

Core/Reporting.cpp

@@ -18,6 +18,7 @@
 #include "Core/Reporting.h"
 
 #include "Common/CPUDetect.h"
+#include "Core/Core.h"
 #include "Core/CoreTiming.h"
 #include "Core/Config.h"
 #include "Core/CwCheat.h"
@@ -427,7 +428,7 @@ namespace Reporting
 			postdata.Add("graphics", StringFromFormat("%d", payload.int1));
 			postdata.Add("speed", StringFromFormat("%d", payload.int2));
 			postdata.Add("gameplay", StringFromFormat("%d", payload.int3));
-			postdata.Add("crc", StringFromFormat("%08x", RetrieveCRC()));
+			postdata.Add("crc", StringFromFormat("%08x", Core_GetPowerSaving() ? 0 : RetrieveCRC()));
 			AddScreenshotData(postdata, payload.string2);
 			payload.string1.clear();
 			payload.string2.clear();

UI/EmuScreen.cpp

@@ -196,6 +196,11 @@ void EmuScreen::bootComplete() {
 		}
 	}
 
+	if (Core_GetPowerSaving()) {
+		I18NCategory *sy = GetI18NCategory("System");
+		osm.Show(sy->T("WARNING: Battery save mode is on"), 2.0f, 0xFFFFFF, -1, true, "core_powerSaving");
+	}
+
 	System_SendMessage("event", "startgame");
 }
 

UI/NativeApp.cpp

@@ -784,6 +784,14 @@ void HandleGlobalMessage(const std::string &msg, const std::string &value) {
 		// Show for the same duration as the preview.
 		osm.Show(msg, 2.0f, 0xFFFFFF, -1, true, "savestate_slot");
 	}
+	if (msg == "core_powerSaving") {
+		if (value != "false") {
+			I18NCategory *sy = GetI18NCategory("System");
+			osm.Show(sy->T("WARNING: Battery save mode is on"), 2.0f, 0xFFFFFF, -1, true, "core_powerSaving");
+		}
+
+		Core_SetPowerSaving(value != "false");
+	}
 }
 
 void NativeUpdate(InputState &input) {

UI/ReportScreen.cpp

@@ -23,6 +23,7 @@
 #include "UI/PauseScreen.h"
 #include "UI/ReportScreen.h"
 
+#include "Core/Core.h"
 #include "Core/Reporting.h"
 #include "Core/Screenshot.h"
 #include "Core/System.h"
@@ -224,7 +225,9 @@ void ReportScreen::CreateViews() {
 	}
 
 #ifdef MOBILE_DEVICE
-	leftColumnItems->Add(new TextView(rp->T("FeedbackIncludeCRC", "Note: Battery will be used to send a disc CRC"), new LinearLayoutParams(Margins(12, 5, 0, 5))))->SetEnabledPtr(&enableReporting_);
+	if (!Core_GetPowerSaving()) {
+		leftColumnItems->Add(new TextView(rp->T("FeedbackIncludeCRC", "Note: Battery will be used to send a disc CRC"), new LinearLayoutParams(Margins(12, 5, 0, 5))))->SetEnabledPtr(&enableReporting_);
+	}
 #endif
 
 	std::string path = GetSysDirectory(DIRECTORY_SCREENSHOT);

android/AndroidManifest.xml

@@ -96,6 +96,14 @@
             </intent-filter>
         </activity>
 
+        <receiver android:name=".PowerSaveModeReceiver">
+            <intent-filter>
+                <action android:name="android.os.action.POWER_SAVE_MODE_CHANGED" />
+                <action android:name="android.intent.action.BATTERY_LOW" />
+                <action android:name="android.intent.action.BATTERY_OKAY" />
+            </intent-filter>
+        </receiver>
+
         <meta-data
             android:name="xperiaplayoptimized_content"
             android:resource="@drawable/ic_launcher" />

android/src/org/ppsspp/ppsspp/NativeActivity.java

@@ -28,6 +28,7 @@
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Environment;
+import android.os.PowerManager;
 import android.os.Vibrator;
 import android.text.InputType;
 import android.util.DisplayMetrics;
@@ -272,6 +273,7 @@ public void Initialize() {
 		javaGL = "true".equalsIgnoreCase(NativeApp.queryConfig("androidJavaGL"));
 
 		sendInitialGrants();
+		PowerSaveModeReceiver.initAndSend(this);
 
 		// OK, config should be initialized, we can query for screen rotation.
 		if (Build.VERSION.SDK_INT >= 9) {

android/src/org/ppsspp/ppsspp/PowerSaveModeReceiver.java

@@ -0,0 +1,81 @@
+package org.ppsspp.ppsspp;
+
+import android.annotation.TargetApi;
+import android.app.Activity;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.database.ContentObserver;
+import android.net.Uri;
+import android.os.Build;
+import android.os.PowerManager;
+import android.provider.Settings;
+
+public class PowerSaveModeReceiver extends BroadcastReceiver {
+	private static boolean isPowerSaving = false;
+	private static boolean isBatteryLow = false;
+
+	@Override
+	public void onReceive(final Context context, final Intent intent) {
+		final String action = intent.getAction();
+		if (action.equals(Intent.ACTION_BATTERY_LOW)) {
+			isBatteryLow = true;
+		} else if (action.equals(Intent.ACTION_BATTERY_OKAY)) {
+			isBatteryLow = false;
+		}
+
+		sendPowerSaving(context);
+	}
+
+	public static void initAndSend(final Activity activity) {
+		sendPowerSaving(activity);
+
+		activity.getContentResolver().registerContentObserver(Settings.System.CONTENT_URI, true, new ContentObserver(null) {
+			@Override
+			public void onChange(boolean selfChange, Uri uri) {
+				super.onChange(selfChange, uri);
+
+				String key = uri.getPath();
+				key = key.substring(key.lastIndexOf("/") + 1, key.length());
+				if (key != null && (key.equals("user_powersaver_enable") || key.equals("psm_switch"))) {
+					PowerSaveModeReceiver.sendPowerSaving(activity);
+				}
+			}
+		});
+	}
+
+	@TargetApi(21)
+	private static boolean getNativePowerSaving(final Context context) {
+		final PowerManager pm = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
+		return pm.isPowerSaveMode();
+	}
+
+	private static boolean getExtraPowerSaving(final Context context) {
+		// http://stackoverflow.com/questions/25065635/checking-for-power-saver-mode-programically
+		// HTC (Sense)
+		String htcValue = Settings.System.getString(context.getContentResolver(), "user_powersaver_enable");
+		if (htcValue != null && htcValue.equals("1")) {
+			return true;
+		}
+		// Samsung (Touchwiz)
+		String samsungValue = Settings.System.getString(context.getContentResolver(), "psm_switch");
+		if (samsungValue != null && samsungValue.equals("1")) {
+			return true;
+		}
+		return false;
+	}
+
+	private static void sendPowerSaving(final Context context) {
+		if (Build.VERSION.SDK_INT >= 21) {
+			isPowerSaving = getNativePowerSaving(context) || getExtraPowerSaving(context);
+		} else {
+			isPowerSaving = getExtraPowerSaving(context);
+		}
+
+		if (isBatteryLow || isPowerSaving) {
+			NativeApp.sendMessage("core_powerSaving", "true");
+		} else {
+			NativeApp.sendMessage("core_powerSaving", "false");
+		}
+	}
+}