Clean up the main architecture of Contextual Settings Homepage.

- Add lifecycle observer in HomepageManager.
- Rename some variables.

Bug: 111676964
Test: robotests
Change-Id: Ic91c53f2c1622d602b3edc664a06a13aa6945f47

src/com/android/settings/homepage/HomepageAdapter.java

@@ -56,7 +56,8 @@ public class HomepageAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolde
 
     @Override
     public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int cardType) {
-        final HomepageCardRenderer renderer = mControllerRendererPool.getRenderer(mContext, cardType);
+        final HomepageCardRenderer renderer = mControllerRendererPool.getRenderer(mContext,
+                cardType);
         final int viewType = renderer.getViewType();
         final View view = LayoutInflater.from(parent.getContext()).inflate(viewType, parent, false);
 
@@ -66,7 +67,8 @@ public class HomepageAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolde
     @Override
     public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
         final int cardType = mHomepageCards.get(position).getCardType();
-        final HomepageCardRenderer renderer = mControllerRendererPool.getRenderer(mContext, cardType);
+        final HomepageCardRenderer renderer = mControllerRendererPool.getRenderer(mContext,
+                cardType);
 
         renderer.bindView(holder, mHomepageCards.get(position));
     }

src/com/android/settings/homepage/HomepageCard.java

@@ -44,7 +44,7 @@ public class HomepageCard {
     private final String mName;
     @CardType
     private final int mCardType;
-    private final double mScore;
+    private final double mRankingScore;
     private final String mSliceUri;
     private final int mCategory;
     private final String mLocalizedToLocale;
@@ -58,8 +58,8 @@ public class HomepageCard {
     private final int mIconResId;
     private final String mCardAction;
     private final long mExpireTimeMS;
-    private final Drawable mDrawable;
+    private final Drawable mIconDrawable;
-    private final boolean mSupportHalfWidth;
+    private final boolean mIsHalfWidth;
 
     String getName() {
         return mName;
@@ -69,8 +69,8 @@ public class HomepageCard {
         return mCardType;
     }
 
-    double getScore() {
+    double getRankingScore() {
-        return mScore;
+        return mRankingScore;
     }
 
     String getTextSliceUri() {
@@ -129,18 +129,18 @@ public class HomepageCard {
         return mExpireTimeMS;
     }
 
-    Drawable getDrawable() {
+    Drawable getIconDrawable() {
-        return mDrawable;
+        return mIconDrawable;
     }
 
-    boolean getSupportHalfWidth() {
+    boolean isHalfWidth() {
-        return mSupportHalfWidth;
+        return mIsHalfWidth;
     }
 
     HomepageCard(Builder builder) {
         mName = builder.mName;
         mCardType = builder.mCardType;
-        mScore = builder.mScore;
+        mRankingScore = builder.mRankingScore;
         mSliceUri = builder.mSliceUri;
         mCategory = builder.mCategory;
         mLocalizedToLocale = builder.mLocalizedToLocale;
@@ -154,8 +154,8 @@ public class HomepageCard {
         mIconResId = builder.mIconResId;
         mCardAction = builder.mCardAction;
         mExpireTimeMS = builder.mExpireTimeMS;
-        mDrawable = builder.mDrawable;
+        mIconDrawable = builder.mIconDrawable;
-        mSupportHalfWidth = builder.mSupportHalfWidth;
+        mIsHalfWidth = builder.mIsHalfWidth;
     }
 
     @Override
@@ -182,7 +182,7 @@ public class HomepageCard {
     static class Builder {
         private String mName;
         private int mCardType;
-        private double mScore;
+        private double mRankingScore;
         private String mSliceUri;
         private int mCategory;
         private String mLocalizedToLocale;
@@ -196,8 +196,8 @@ public class HomepageCard {
         private int mIconResId;
         private String mCardAction;
         private long mExpireTimeMS;
-        private Drawable mDrawable;
+        private Drawable mIconDrawable;
-        private boolean mSupportHalfWidth;
+        private boolean mIsHalfWidth;
 
         public Builder setName(String name) {
             mName = name;
@@ -209,8 +209,8 @@ public class HomepageCard {
             return this;
         }
 
-        public Builder setScore(double score) {
+        public Builder setRankingScore(double rankingScore) {
-            mScore = score;
+            mRankingScore = rankingScore;
             return this;
         }
 
@@ -279,13 +279,13 @@ public class HomepageCard {
             return this;
         }
 
-        public Builder setDrawable(Drawable drawable) {
+        public Builder setIconDrawable(Drawable iconDrawable) {
-            mDrawable = drawable;
+            mIconDrawable = iconDrawable;
             return this;
         }
 
-        public Builder setSupportHalfWidth(boolean supportHalfWidth) {
+        public Builder setIsHalfWidth(boolean isHalfWidth) {
-            mSupportHalfWidth = supportHalfWidth;
+            mIsHalfWidth = isHalfWidth;
             return this;
         }
 

src/com/android/settings/homepage/HomepageCardController.java

@@ -16,11 +16,10 @@
 
 package com.android.settings.homepage;
 
-import com.android.settingslib.core.lifecycle.Lifecycle;
-
 import java.util.List;
 
 //TODO(b/111821137): add test cases
+
 /**
  * Data controller for {@link HomepageCard}.
  */
@@ -39,7 +38,5 @@ public interface HomepageCardController {
 
     void onActionClick(HomepageCard card);
 
-    void setLifecycle(Lifecycle lifecycle);
-
     void setHomepageCardUpdateListener(HomepageCardUpdateListener listener);
 }

src/com/android/settings/homepage/HomepageCardLookupTable.java

@@ -44,10 +44,8 @@ public class HomepageCardLookupTable {
     }
 
     private static final Set<HomepageMapping> LOOKUP_TABLE = new TreeSet<HomepageMapping>() {
-        {
             //add(new HomepageMapping(CardType.CONDITIONAL, ConditionHomepageCardController.class,
                    // ConditionHomepageCardRenderer.class));
-        }
     };
 
     public static Class<? extends HomepageCardController> getCardControllerClass(

src/com/android/settings/homepage/HomepageManager.java

@@ -20,6 +20,7 @@ import android.content.Context;
 import android.widget.BaseAdapter;
 
 import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -82,7 +83,11 @@ public class HomepageManager implements CardContentLoader.CardContentLoaderListe
                 cardType);
         if (controller != null) {
             controller.setHomepageCardUpdateListener(this);
-            controller.setLifecycle(mLifecycle);
+            if (controller instanceof LifecycleObserver) {
+                if (mLifecycle != null) {
+                    mLifecycle.addObserver((LifecycleObserver) controller);
+                }
+            }
         }
     }