CLOUD: Add Networking::Connection::isLimited()

`false` everywhere by default, but works on Android (`true` if not
Wi-Fi).

4 files changed, 33 insertions, 0 deletions

diff --git a/backends/platform/android/jni.cpp b/backends/platform/android/jni.cpp
index 6360bb1416..91d9a572c2 100644
--- a/backends/platform/android/jni.cpp
+++ b/backends/platform/android/jni.cpp
@@ -77,6 +77,7 @@ bool JNI::_ready_for_events = 0;
 jmethodID JNI::_MID_getDPI = 0;
 jmethodID JNI::_MID_displayMessageOnOSD = 0;
 jmethodID JNI::_MID_openUrl = 0;
+jmethodID JNI::_MID_isConnectionLimited = 0;
 jmethodID JNI::_MID_setWindowCaption = 0;
 jmethodID JNI::_MID_showVirtualKeyboard = 0;
 jmethodID JNI::_MID_getSysArchives = 0;
@@ -252,6 +253,22 @@ bool JNI::openUrl(const char *url) {
 	return success;
 }
 
+bool JNI::isConnectionLimited() {
+	bool limited = false;
+	JNIEnv *env = JNI::getEnv();
+	limited = env->CallBooleanMethod(_jobj, _MID_isConnectionLimited);
+
+	if (env->ExceptionCheck()) {
+		LOGE("Failed to check whether connection's limited");
+
+		env->ExceptionDescribe();
+		env->ExceptionClear();
+		limited = true;
+	}
+	
+	return limited;
+}
+
 void JNI::setWindowCaption(const char *caption) {
 	JNIEnv *env = JNI::getEnv();
 	jstring java_caption = env->NewStringUTF(caption);
@@ -432,6 +449,7 @@ void JNI::create(JNIEnv *env, jobject self, jobject asset_manager,
 	FIND_METHOD(, getDPI, "([F)V");
 	FIND_METHOD(, displayMessageOnOSD, "(Ljava/lang/String;)V");
 	FIND_METHOD(, openUrl, "(Ljava/lang/String;)V");
+	FIND_METHOD(, isConnectionLimited, "()Z");
 	FIND_METHOD(, showVirtualKeyboard, "(Z)V");
 	FIND_METHOD(, getSysArchives, "()[Ljava/lang/String;");
 	FIND_METHOD(, initSurface, "()Ljavax/microedition/khronos/egl/EGLSurface;");
diff --git a/backends/platform/android/jni.h b/backends/platform/android/jni.h
index de4c95bd76..0798db448a 100644
--- a/backends/platform/android/jni.h
+++ b/backends/platform/android/jni.h
@@ -59,6 +59,7 @@ public:
 	static void getDPI(float *values);
 	static void displayMessageOnOSD(const char *msg);
 	static bool openUrl(const char *url);
+	static bool isConnectionLimited();
 	static void showVirtualKeyboard(bool enable);
 	static void addSysArchivesToSearchSet(Common::SearchSet &s, int priority);
 
@@ -91,6 +92,7 @@ private:
 	static jmethodID _MID_getDPI;
 	static jmethodID _MID_displayMessageOnOSD;
 	static jmethodID _MID_openUrl;
+	static jmethodID _MID_isConnectionLimited;
 	static jmethodID _MID_setWindowCaption;
 	static jmethodID _MID_showVirtualKeyboard;
 	static jmethodID _MID_getSysArchives;
diff --git a/backends/platform/android/org/scummvm/scummvm/ScummVM.java b/backends/platform/android/org/scummvm/scummvm/ScummVM.java
index 50642805a4..47dcb32b22 100644
--- a/backends/platform/android/org/scummvm/scummvm/ScummVM.java
+++ b/backends/platform/android/org/scummvm/scummvm/ScummVM.java
@@ -54,6 +54,7 @@ public abstract class ScummVM implements SurfaceHolder.Callback, Runnable {
 	abstract protected void getDPI(float[] values);
 	abstract protected void displayMessageOnOSD(String msg);
 	abstract protected void openUrl(String url);
+	abstract protected boolean isConnectionLimited();
 	abstract protected void setWindowCaption(String caption);
 	abstract protected void showVirtualKeyboard(boolean enable);
 	abstract protected String[] getSysArchives();
diff --git a/backends/platform/android/org/scummvm/scummvm/ScummVMActivity.java b/backends/platform/android/org/scummvm/scummvm/ScummVMActivity.java
index 2f3701a557..225496ca0d 100644
--- a/backends/platform/android/org/scummvm/scummvm/ScummVMActivity.java
+++ b/backends/platform/android/org/scummvm/scummvm/ScummVMActivity.java
@@ -2,10 +2,13 @@ package org.scummvm.scummvm;
 
 import android.app.Activity;
 import android.app.AlertDialog;
+import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.media.AudioManager;
 import android.net.Uri;
+import android.net.wifi.WifiManager;
+import android.net.wifi.WifiInfo;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Environment;
@@ -80,6 +83,15 @@ public class ScummVMActivity extends Activity {
 			startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
 		}
 
+		@Override
+		protected boolean isConnectionLimited() {
+			WifiManager wifiMgr = (WifiManager)getSystemService(Context.WIFI_SERVICE);
+			if (wifiMgr != null && wifiMgr.isWifiEnabled()) {
+				WifiInfo wifiInfo = wifiMgr.getConnectionInfo();
+				return (wifiInfo == null || wifiInfo.getNetworkId() == -1); //WiFi is on, but it's not connected to any network
+			}
+			return true;
+		}
 
 		@Override
 		protected void setWindowCaption(final String caption) {