Factor out the start/stopForeground and notification icon management into a separate class, don't let RockboxService.java become a beast.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28416 a1c6a512-1295-4272-9138-f99709370657

5 files changed, 176 insertions, 129 deletions

diff --git a/android/android.make b/android/android.make
index 492c0127cb..9ca760e470 100644
--- a/android/android.make
+++ b/android/android.make
@@ -37,9 +37,11 @@ MANIFEST	:= $(ANDROID_DIR)/AndroidManifest.xml
 R_JAVA          := $(BUILDDIR)/gen/$(PACKAGE_PATH)/R.java
 R_OBJ           := $(BUILDDIR)/bin/$(PACKAGE_PATH)/R.class
 
-JAVA_SRC        := $(wildcard $(ANDROID_DIR)/src/$(PACKAGE_PATH)/*.java)
+JAVA_SRC        := $(wildcard $(ANDROID_DIR)/src/$(PACKAGE_PATH)/Helper/*.java)
+JAVA_SRC        += $(wildcard $(ANDROID_DIR)/src/$(PACKAGE_PATH)/*.java)
 JAVA_OBJ        := $(call java2class,$(subst $(ANDROID)/src/$(PACKAGE_PATH),$(ANDROID)/bin/$(PACKAGE_PATH),$(JAVA_SRC)))
 
+
 LIBS            := $(BINLIB_DIR)/$(BINARY) $(BINLIB_DIR)/libmisc.so
 TEMP_APK        := $(BUILDDIR)/bin/_rockbox.apk
 TEMP_APK2       := $(BUILDDIR)/bin/__rockbox.apk
diff --git a/android/src/org/rockbox/Helper/RunForegroundManager.java b/android/src/org/rockbox/Helper/RunForegroundManager.java
new file mode 100644
index 0000000000..eb6e4c96ef
--- /dev/null
+++ b/android/src/org/rockbox/Helper/RunForegroundManager.java
@@ -0,0 +1,157 @@
+package org.rockbox.Helper;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+import org.rockbox.R;
+import org.rockbox.RockboxActivity;
+
+import android.app.Notification;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.app.Service;
+import android.content.Intent;
+import android.util.Log;
+
+public class RunForegroundManager
+{
+    /* all below is heavily based on the examples found on
+     * http://developer.android.com/reference/android/app/Service.html#setForeground(boolean)
+     */
+    private Notification mNotification;
+    private NotificationManager mNM;
+    private IRunForeground api;
+    private Service mCurrentService;
+
+    public RunForegroundManager(Service service) throws Exception
+    {
+        mNM = (NotificationManager)
+                        service.getSystemService(Service.NOTIFICATION_SERVICE);
+        /* For now we'll use the same text for the ticker and the 
+         * expanded notification */
+        CharSequence text = service.getText(R.string.notification);
+        /* Set the icon, scrolling text and timestamp */
+        mNotification = new Notification(R.drawable.icon, text,
+                System.currentTimeMillis());
+
+        /* The PendingIntent to launch our activity if the user selects
+         * this notification */
+        Intent intent = new Intent(service, RockboxActivity.class);
+        PendingIntent contentIntent = 
+                PendingIntent.getActivity(service, 0, intent, 0);
+
+        /*  Set the info for the views that show in the notification panel. */
+        mNotification.setLatestEventInfo(service, 
+                service.getText(R.string.notification), text, contentIntent);
+        
+        try {
+            api = new newForegroundApi(R.string.notification, mNotification);
+        } catch (NoSuchMethodException e) {
+            /* Fall back on the old API */
+            api = new oldForegroundApi();
+        }
+        mCurrentService = service; 
+    }
+    
+    private void LOG(CharSequence text, Throwable tr)
+    {
+        Log.d("Rockbox", (String)text, tr);
+    }
+
+    public void startForeground() 
+    {
+        /* 
+         * Send the notification.
+         * We use a layout id because it is a unique number.  
+         * We use it later to cancel.
+         */
+        mNM.notify(R.string.notification, mNotification);
+        /*
+         * this call makes the service run as foreground, which
+         * provides enough cpu time to do music decoding in the 
+         * background
+         */
+        api.startForeground();
+    }
+
+    public void stopForeground() 
+    {
+        /* Note to cancel BEFORE changing the
+         * foreground state, since we could be killed at that point.
+         */
+        mNM.cancel(R.string.notification);
+        api.stopForeground();
+    }
+
+
+    private interface IRunForeground 
+    {
+        void startForeground();
+        void stopForeground();
+    }
+
+    private class newForegroundApi implements IRunForeground 
+    {
+        Class<?>[] mStartForegroundSignature = 
+            new Class[] { int.class, Notification.class };
+        Class<?>[] mStopForegroundSignature = 
+            new Class[] { boolean.class };
+        private Method mStartForeground;
+        private Method mStopForeground;
+        private Object[] mStartForegroundArgs = new Object[2];
+        private Object[] mStopForegroundArgs = new Object[1];
+        
+        newForegroundApi(int id, Notification notification) 
+            throws SecurityException, NoSuchMethodException
+        {
+            /* 
+             * Get the new API through reflection
+             */
+            mStartForeground = Service.class.getMethod("startForeground",
+                    mStartForegroundSignature);
+            mStopForeground = Service.class.getMethod("stopForeground",
+                    mStopForegroundSignature);
+            mStartForegroundArgs[0] = id;
+            mStartForegroundArgs[1] = notification;
+            mStopForegroundArgs[0] = Boolean.TRUE;
+        }
+
+        public void startForeground()
+        {
+            try {
+                mStartForeground.invoke(mCurrentService, mStartForegroundArgs);
+            } catch (InvocationTargetException e) {
+                /* Should not happen. */
+                LOG("Unable to invoke startForeground", e);
+            } catch (IllegalAccessException e) {
+                /* Should not happen. */
+                LOG("Unable to invoke startForeground", e);
+            }
+        }
+
+        public void stopForeground()
+        {
+            try {
+                mStopForeground.invoke(mCurrentService, mStopForegroundArgs);
+            } catch (InvocationTargetException e) {
+                /* Should not happen. */
+                LOG("Unable to invoke stopForeground", e);
+            } catch (IllegalAccessException e) {
+                /* Should not happen. */
+                LOG("Unable to invoke stopForeground", e);
+            }
+        }
+    }
+    
+    private class oldForegroundApi implements IRunForeground
+    {
+        public void startForeground()
+        {
+            mCurrentService.setForeground(false);
+        }
+        public void stopForeground()
+        {
+            mCurrentService.setForeground(false);
+        }        
+    }
+}
diff --git a/android/src/org/rockbox/RockboxActivity.java b/android/src/org/rockbox/RockboxActivity.java
index fed17c67f9..d8c1307ff3 100644
--- a/android/src/org/rockbox/RockboxActivity.java
+++ b/android/src/org/rockbox/RockboxActivity.java
@@ -21,6 +21,7 @@
 
 package org.rockbox;
 
+
 import android.app.Activity;
 import android.app.ProgressDialog;
 import android.content.Intent;
diff --git a/android/src/org/rockbox/RockboxKeyboardInput.java b/android/src/org/rockbox/RockboxKeyboardInput.java
index 5601b16662..3024b6b685 100644
--- a/android/src/org/rockbox/RockboxKeyboardInput.java
+++ b/android/src/org/rockbox/RockboxKeyboardInput.java
@@ -21,6 +21,7 @@
 
 package org.rockbox;
 
+
 import android.app.Activity;
 import android.content.Intent;
 
diff --git a/android/src/org/rockbox/RockboxService.java b/android/src/org/rockbox/RockboxService.java
index 63ebd27566..b841bc5d7f 100644
--- a/android/src/org/rockbox/RockboxService.java
+++ b/android/src/org/rockbox/RockboxService.java
@@ -21,14 +21,14 @@
 
 package org.rockbox;
 
+import org.rockbox.Helper.RunForegroundManager;
+
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
 import java.util.Enumeration;
 import java.util.Timer;
 import java.util.TimerTask;
@@ -36,9 +36,6 @@ import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
 
 import android.app.Activity;
-import android.app.Notification;
-import android.app.NotificationManager;
-import android.app.PendingIntent;
 import android.app.Service;
 import android.content.BroadcastReceiver;
 import android.content.Context;
@@ -62,21 +59,10 @@ public class RockboxService extends Service
     /* locals needed for the c code and rockbox state */
     private RockboxFramebuffer fb = null;
     private boolean mRockboxRunning = false;
-    private Activity current_activity = null; 
-    
-    private Notification notification;
-    private static final Class<?>[] mStartForegroundSignature = 
-        new Class[] { int.class, Notification.class };
-    private static final Class<?>[] mStopForegroundSignature = 
-        new Class[] { boolean.class };
-
-    private NotificationManager mNM;
-    private Method mStartForeground;
-    private Method mStopForeground;
-    private Object[] mStartForegroundArgs = new Object[2];
-    private Object[] mStopForegroundArgs = new Object[1];
+    private Activity current_activity = null;
     private IntentFilter itf;
     private BroadcastReceiver batt_monitor;
+    private RunForegroundManager fg_runner;
     @SuppressWarnings("unused")
     private int battery_level;
 
@@ -84,19 +70,6 @@ public class RockboxService extends Service
     public void onCreate()
     {
                 instance = this;
-        mNM = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);
-        try 
-        {
-            mStartForeground = getClass().getMethod("startForeground",
-                    mStartForegroundSignature);
-            mStopForeground = getClass().getMethod("stopForeground",
-                    mStopForegroundSignature);
-        } 
-        catch (NoSuchMethodException e) 
-        {
-            /* Running on an older platform: fall back to old API */
-            mStartForeground = mStopForeground = null;
-        }
         startservice();
     }
     
@@ -132,7 +105,11 @@ public class RockboxService extends Service
         
         /* Display a notification about us starting.  
          * We put an icon in the status bar. */
-        create_notification();
+        try {
+            fg_runner = new RunForegroundManager(this);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
     }
 
     private void LOG(CharSequence text)
@@ -285,105 +262,14 @@ public class RockboxService extends Service
         registerReceiver(batt_monitor, itf);
     }
     
-    /* all below is heavily based on the examples found on
-     * http://developer.android.com/reference/android/app/Service.html
-     */
-    
-    private void create_notification()
+    public void startForeground()
     {
-        /* For now we'll use the same text for the ticker and the 
-         * expanded notification */
-        CharSequence text = getText(R.string.notification);
-        /* Set the icon, scrolling text and timestamp */
-        notification = new Notification(R.drawable.icon, text,
-                System.currentTimeMillis());
-
-        /* The PendingIntent to launch our activity if the user selects
-         * this notification */
-        Intent intent = new Intent(this, RockboxActivity.class);
-        PendingIntent contentIntent = 
-                PendingIntent.getActivity(this, 0, intent, 0);
-
-        /*  Set the info for the views that show in the notification panel. */
-        notification.setLatestEventInfo(this, 
-                getText(R.string.notification), text, contentIntent);
-    }
-
-    public void startForeground() 
-    {
-        /* 
-         * Send the notification.
-         * We use a layout id because it is a unique number.  
-         * We use it later to cancel.
-         */
-        mNM.notify(R.string.notification, instance.notification);
-        /*
-         * this call makes the service run as foreground, which
-         * provides enough cpu time to do music decoding in the 
-         * background
-         */
-        startForegroundCompat(R.string.notification, notification);
+        fg_runner.startForeground();
     }
     
-    public void stopForeground() 
-    {
-        if (notification != null)
-        {
-            stopForegroundCompat(R.string.notification);
-            mNM.cancel(R.string.notification);
-        }
-    }
-
-    /**
-     * This is a wrapper around the new startForeground method, using the older
-     * APIs if it is not available.
-     */
-    void startForegroundCompat(int id, Notification notification) 
+    public void stopForeground()
     {
-        if (mStartForeground != null) {
-            mStartForegroundArgs[0] = Integer.valueOf(id);
-            mStartForegroundArgs[1] = notification;
-            try {
-                mStartForeground.invoke(this, mStartForegroundArgs);
-            } catch (InvocationTargetException e) {
-                /* Should not happen. */
-                LOG("Unable to invoke startForeground", e);
-            } catch (IllegalAccessException e) {
-                /* Should not happen. */
-                LOG("Unable to invoke startForeground", e);
-            }
-            return;
-        }
-
-        /* Fall back on the old API.*/
-        setForeground(true);
-        mNM.notify(id, notification);
-    }
-
-    /**
-     * This is a wrapper around the new stopForeground method, using the older
-     * APIs if it is not available.
-     */
-    void stopForegroundCompat(int id) 
-    {
-        if (mStopForeground != null) {
-            mStopForegroundArgs[0] = Boolean.TRUE;
-            try {
-                mStopForeground.invoke(this, mStopForegroundArgs);
-            } catch (InvocationTargetException e) {
-                /* Should not happen. */
-                LOG("Unable to invoke stopForeground", e);
-            } catch (IllegalAccessException e) {
-                /* Should not happen. */
-                LOG("Unable to invoke stopForeground", e);
-            }
-            return;
-        }
-
-        /* Fall back on the old API.  Note to cancel BEFORE changing the
-         * foreground state, since we could be killed at that point. */
-        mNM.cancel(id);
-        setForeground(false);
+        fg_runner.stopForeground();
     }
 
     @Override
@@ -391,6 +277,6 @@ public class RockboxService extends Service
     {
         super.onDestroy();
         /* Make sure our notification is gone. */
-        stopForegroundCompat(R.string.notification);
+        stopForeground();
     }
 }