SetupWizard: Add option to apply default theme if one exists

* A bunch of code cleanup/refactoring to make this work

Change-Id: I059fb5fa5bcd7dd8821e993218a320554f10a314

src/com/cyanogenmod/setupwizard/setup/AbstractSetupData.java

@@ -17,33 +17,30 @@
 package com.cyanogenmod.setupwizard.setup;
 
 import android.content.BroadcastReceiver;
+import android.content.Context;
 import android.os.Bundle;
 
-import com.cyanogenmod.setupwizard.ui.SetupWizardActivity;
-
 import java.util.ArrayList;
 
 public abstract class AbstractSetupData extends BroadcastReceiver implements SetupDataCallbacks {
 
     private static final String TAG = AbstractSetupData.class.getSimpleName();
 
-    protected SetupWizardActivity mContext;
+    protected final Context mContext;
     private ArrayList<SetupDataCallbacks> mListeners = new ArrayList<SetupDataCallbacks>();
     private PageList mPageList;
 
     private int mCurrentPageIndex = 0;
 
+    private boolean mIsResumed = false;
+
     private OnResumeRunnable mOnResumeRunnable;
 
-    public AbstractSetupData(SetupWizardActivity context) {
+    public AbstractSetupData(Context context) {
         mContext = context;
         mPageList = onNewPageList();
     }
 
-    public void setContext(SetupWizardActivity context) {
-        mContext = context;
-    }
-
     protected abstract PageList onNewPageList();
 
     @Override
@@ -67,6 +64,13 @@ public abstract class AbstractSetupData extends BroadcastReceiver implements Set
         }
     }
 
+    @Override
+    public void finishSetup() {
+        for (int i = 0; i < mListeners.size(); i++) {
+            mListeners.get(i).finishSetup();
+        }
+    }
+
     @Override
     public Page getPage(String key) {
         return mPageList.getPage(key);
@@ -159,7 +163,7 @@ public abstract class AbstractSetupData extends BroadcastReceiver implements Set
     }
 
     private void doPreviousNext(Runnable runnable) {
-        if (mContext.isResumed()) {
+        if (mIsResumed) {
             runnable.run();
         } else {
             mOnResumeRunnable = new OnResumeRunnable(runnable, this);
@@ -170,7 +174,12 @@ public abstract class AbstractSetupData extends BroadcastReceiver implements Set
         mOnResumeRunnable = null;
     }
 
+    public void onPause() {
+        mIsResumed = false;
+    }
+
     public void onResume() {
+        mIsResumed = true;
         if (mOnResumeRunnable != null) {
             mOnResumeRunnable.run();
         }