Elicit ItemsData class and add DiffUtil.Callback
In the previous version, when there is a minor change in data, we will refresh the whole screen(and data) by invoking "recountItems" and "notifyDataSetChanged", which did lots of unnecessary works. In this new cl, I elicit ItemsData class, which encapsulates the list data used in adapter. When data changed, I build another ItemsData and use the DiffUtil.Callback to calculate diffs between ItemsDatas. In this way we can only refresh the items that changed in adapter. Since I cannot find usage of see_all.xml anymore, I delete the relevant code as well as the resource files. Bug: 30319913 Test: make RunSettingsRoboTests Change-Id: I4f753a26f624affea6c6c35d49cfb9c43fb74fe6
This commit is contained in:
jackqdyulei
@@ -20,6 +20,7 @@ import android.content.pm.PackageManager;
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import android.graphics.drawable.Drawable;
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import android.graphics.drawable.Icon;
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import android.os.Bundle;
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import android.support.v7.util.DiffUtil;
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import android.support.v7.widget.PopupMenu;
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import android.support.v7.widget.RecyclerView;
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import android.text.TextUtils;
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@@ -34,7 +35,6 @@ import android.widget.ImageView;
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import android.widget.TextView;
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import com.android.internal.logging.MetricsProto.MetricsEvent;
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import com.android.internal.util.ArrayUtils;
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import com.android.settings.R;
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import com.android.settings.SettingsActivity;
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import com.android.settings.core.instrumentation.MetricsFeatureProvider;
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@@ -48,82 +48,92 @@ import java.util.ArrayList;
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import java.util.List;
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public class DashboardAdapter extends RecyclerView.Adapter<DashboardAdapter.DashboardItemHolder>
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implements View.OnClickListener, SummaryLoader.SummaryConsumer {
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implements SummaryLoader.SummaryConsumer {
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public static final String TAG = "DashboardAdapter";
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private static final String STATE_SUGGESTION_LIST = "suggestion_list";
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private static final String STATE_CATEGORY_LIST = "category_list";
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private static final String STATE_IS_SHOWING_ALL = "is_showing_all";
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private static final String STATE_SUGGESTION_MODE = "suggestion_mode";
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private static final int NS_SPACER = 0;
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private static final int NS_SUGGESTION = 1000;
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private static final int NS_ITEMS = 2000;
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private static final int NS_CONDITION = 3000;
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private static int SUGGESTION_MODE_DEFAULT = 0;
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private static int SUGGESTION_MODE_COLLAPSED = 1;
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private static int SUGGESTION_MODE_EXPANDED = 2;
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private static final int DEFAULT_SUGGESTION_COUNT = 2;
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private final List<Object> mItems = new ArrayList<>();
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private final List<Integer> mTypes = new ArrayList<>();
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private final List<Integer> mIds = new ArrayList<>();
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private final IconCache mCache;
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private final Context mContext;
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private final MetricsFeatureProvider mMetricsFeatureProvider;
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private List<DashboardCategory> mCategories;
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private List<Condition> mConditions;
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private List<Tile> mSuggestions;
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private boolean mIsShowingAll;
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// Used for counting items;
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private int mId;
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private int mSuggestionMode = SUGGESTION_MODE_DEFAULT;
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private Condition mExpandedCondition = null;
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private DashboardData mDashboardData;
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private SuggestionParser mSuggestionParser;
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private View.OnClickListener mTileClickListener = new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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//TODO: get rid of setTag/getTag
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final Tile tile = (Tile) mDashboardData.getItemEntityByPosition((int) v.getTag());
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((SettingsActivity) mContext).openTile(tile);
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}
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};
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private View.OnClickListener mConditionClickListener = new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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Condition expandedCondition = mDashboardData.getExpandedCondition();
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//TODO: get rid of setTag/getTag
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if (v.getTag() == expandedCondition) {
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mMetricsFeatureProvider.action(mContext,
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MetricsEvent.ACTION_SETTINGS_CONDITION_CLICK,
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expandedCondition.getMetricsConstant());
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expandedCondition.onPrimaryClick();
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} else {
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expandedCondition = (Condition) v.getTag();
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mMetricsFeatureProvider.action(mContext,
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MetricsEvent.ACTION_SETTINGS_CONDITION_EXPAND,
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expandedCondition.getMetricsConstant());
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updateExpandedCondition(expandedCondition);
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}
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}
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};
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public DashboardAdapter(Context context, SuggestionParser parser,
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MetricsFeatureProvider metricsFeatureProvider, Bundle savedInstanceState,
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List<Condition> conditions) {
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List<Tile> suggestions = null;
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List<DashboardCategory> categories = null;
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int suggestionMode = DashboardData.SUGGESTION_MODE_DEFAULT;
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mContext = context;
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mMetricsFeatureProvider = metricsFeatureProvider;
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mCache = new IconCache(context);
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mSuggestionParser = parser;
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mConditions = conditions;
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setHasStableIds(true);
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boolean showAll = true;
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if (savedInstanceState != null) {
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mSuggestions = savedInstanceState.getParcelableArrayList(STATE_SUGGESTION_LIST);
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mCategories = savedInstanceState.getParcelableArrayList(STATE_CATEGORY_LIST);
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showAll = savedInstanceState.getBoolean(STATE_IS_SHOWING_ALL, true);
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mSuggestionMode = savedInstanceState.getInt(
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STATE_SUGGESTION_MODE, SUGGESTION_MODE_DEFAULT);
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suggestions = savedInstanceState.getParcelableArrayList(STATE_SUGGESTION_LIST);
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categories = savedInstanceState.getParcelableArrayList(STATE_CATEGORY_LIST);
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suggestionMode = savedInstanceState.getInt(
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STATE_SUGGESTION_MODE, DashboardData.SUGGESTION_MODE_DEFAULT);
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}
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setShowingAll(showAll);
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mDashboardData = new DashboardData.Builder()
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.setConditions(conditions)
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.setSuggestions(suggestions)
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.setCategories(categories)
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.setSuggestionMode(suggestionMode)
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.build();
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}
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public List<Tile> getSuggestions() {
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return mSuggestions;
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return mDashboardData.getSuggestions();
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}
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public void setCategoriesAndSuggestions(List<DashboardCategory> categories,
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List<Tile> suggestions) {
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mSuggestions = suggestions;
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mCategories = categories;
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// TODO: Better place for tinting?
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TypedValue tintColor = new TypedValue();
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mContext.getTheme().resolveAttribute(com.android.internal.R.attr.colorAccent,
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tintColor, true);
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for (int i = 0; i < categories.size(); i++) {
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for (int j = 0; j < categories.get(i).tiles.size(); j++) {
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Tile tile = categories.get(i).tiles.get(j);
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final Tile tile = categories.get(i).tiles.get(j);
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if (!mContext.getPackageName().equals(
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tile.intent.getComponent().getPackageName())) {
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@@ -133,85 +143,49 @@ public class DashboardAdapter extends RecyclerView.Adapter<DashboardAdapter.Dash
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}
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}
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}
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recountItems();
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final DashboardData prevData = mDashboardData;
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mDashboardData = new DashboardData.Builder(prevData)
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.setSuggestions(suggestions)
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.setCategories(categories)
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.build();
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notifyDashboardDataChanged(prevData);
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}
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public void setConditions(List<Condition> conditions) {
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mConditions = conditions;
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recountItems();
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final DashboardData prevData = mDashboardData;
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mDashboardData = new DashboardData.Builder(prevData)
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.setConditions(conditions)
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.build();
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notifyDashboardDataChanged(prevData);
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}
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@Override
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public void notifySummaryChanged(Tile tile) {
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notifyDataSetChanged();
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}
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final int position = mDashboardData.getPositionByTile(tile);
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if (position != DashboardData.POSITION_NOT_FOUND) {
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final Tile targetTile = (Tile) mDashboardData.getItemEntityByPosition(position);
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if (!TextUtils.equals(tile.summary, targetTile.summary)) {
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public void setShowingAll(boolean showingAll) {
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mIsShowingAll = showingAll;
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recountItems();
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}
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private void recountItems() {
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reset();
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boolean hasConditions = false;
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for (int i = 0; mConditions != null && i < mConditions.size(); i++) {
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boolean shouldShow = mConditions.get(i).shouldShow();
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hasConditions |= shouldShow;
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countItem(mConditions.get(i), R.layout.condition_card, shouldShow, NS_CONDITION);
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}
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boolean hasSuggestions = mSuggestions != null && mSuggestions.size() != 0;
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countItem(null, R.layout.dashboard_spacer, hasConditions && hasSuggestions, NS_SPACER);
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countItem(null, R.layout.suggestion_header, hasSuggestions, NS_SPACER);
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resetCount();
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if (mSuggestions != null) {
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int maxSuggestions = getDisplayableSuggestionCount();
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for (int i = 0; i < mSuggestions.size(); i++) {
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countItem(mSuggestions.get(i), R.layout.suggestion_tile, i < maxSuggestions,
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NS_SUGGESTION);
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// Since usually tile in parameter and tile in mCategories are same instance,
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// which is hard to be detected by DiffUtil, so we notifyItemChanged directly.
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notifyItemChanged(position);
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}
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}
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resetCount();
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for (int i = 0; mCategories != null && i < mCategories.size(); i++) {
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DashboardCategory category = mCategories.get(i);
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countItem(category, R.layout.dashboard_category, mIsShowingAll
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&& !TextUtils.isEmpty(category.title), NS_ITEMS);
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for (int j = 0; j < category.tiles.size(); j++) {
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Tile tile = category.tiles.get(j);
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countItem(tile, R.layout.dashboard_tile, mIsShowingAll
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|| ArrayUtils.contains(DashboardSummary.INITIAL_ITEMS,
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tile.intent.getComponent().getClassName()), NS_ITEMS);
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}
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}
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// TODO: move this method to SuggestionParser or some other util class
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public void disableSuggestion(Tile suggestion) {
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if (mSuggestionParser == null) {
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return;
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}
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notifyDataSetChanged();
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}
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private void resetCount() {
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mId = 0;
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}
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private void reset() {
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mItems.clear();
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mTypes.clear();
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mIds.clear();
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mId = 0;
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}
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private void countItem(Object object, int type, boolean add, int nameSpace) {
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if (add) {
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mItems.add(object);
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mTypes.add(type);
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// TODO: Counting namespaces for handling of suggestions/conds appearing/disappearing.
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mIds.add(mId + nameSpace);
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if (mSuggestionParser.dismissSuggestion(suggestion)) {
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mContext.getPackageManager().setComponentEnabledSetting(
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suggestion.intent.getComponent(),
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PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
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PackageManager.DONT_KILL_APP);
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mSuggestionParser.markCategoryDone(suggestion.category);
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}
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mId++;
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}
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private int getDisplayableSuggestionCount() {
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final int suggestionSize = mSuggestions.size();
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return mSuggestionMode == SUGGESTION_MODE_DEFAULT
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? Math.min(DEFAULT_SUGGESTION_COUNT, suggestionSize)
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: mSuggestionMode == SUGGESTION_MODE_EXPANDED
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? suggestionSize : 0;
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}
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@Override
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@@ -222,21 +196,24 @@ public class DashboardAdapter extends RecyclerView.Adapter<DashboardAdapter.Dash
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@Override
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public void onBindViewHolder(DashboardItemHolder holder, int position) {
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switch (mTypes.get(position)) {
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final int type = mDashboardData.getItemTypeByPosition(position);
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switch (type) {
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case R.layout.dashboard_category:
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onBindCategory(holder, (DashboardCategory) mItems.get(position));
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onBindCategory(holder,
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(DashboardCategory) mDashboardData.getItemEntityByPosition(position));
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break;
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case R.layout.dashboard_tile:
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final Tile tile = (Tile) mItems.get(position);
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final Tile tile = (Tile) mDashboardData.getItemEntityByPosition(position);
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onBindTile(holder, tile);
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holder.itemView.setTag(tile);
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holder.itemView.setOnClickListener(this);
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holder.itemView.setTag(position);
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holder.itemView.setOnClickListener(mTileClickListener);
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break;
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case R.layout.suggestion_header:
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onBindSuggestionHeader(holder);
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onBindSuggestionHeader(holder, (DashboardData.SuggestionHeaderData)
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mDashboardData.getItemEntityByPosition(position));
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break;
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case R.layout.suggestion_tile:
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final Tile suggestion = (Tile) mItems.get(position);
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final Tile suggestion = (Tile) mDashboardData.getItemEntityByPosition(position);
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onBindTile(holder, suggestion);
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holder.itemView.setOnClickListener(new View.OnClickListener() {
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@Override
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@@ -255,12 +232,12 @@ public class DashboardAdapter extends RecyclerView.Adapter<DashboardAdapter.Dash
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}
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});
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break;
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case R.layout.see_all:
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onBindSeeAll(holder);
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break;
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case R.layout.condition_card:
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ConditionAdapterUtils.bindViews((Condition) mItems.get(position), holder,
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mItems.get(position) == mExpandedCondition, this,
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final boolean isExpanded = mDashboardData.getItemEntityByPosition(position)
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== mDashboardData.getExpandedCondition();
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ConditionAdapterUtils.bindViews(
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(Condition) mDashboardData.getItemEntityByPosition(position),
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holder, isExpanded, mConditionClickListener,
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new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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@@ -271,45 +248,103 @@ public class DashboardAdapter extends RecyclerView.Adapter<DashboardAdapter.Dash
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}
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}
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@Override
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public long getItemId(int position) {
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return mDashboardData.getItemIdByPosition(position);
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}
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@Override
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public int getItemViewType(int position) {
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return mDashboardData.getItemTypeByPosition(position);
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}
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@Override
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public int getItemCount() {
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return mDashboardData.size();
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}
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public void onExpandClick(View v) {
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Condition expandedCondition = mDashboardData.getExpandedCondition();
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if (v.getTag() == expandedCondition) {
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mMetricsFeatureProvider.action(mContext,
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MetricsEvent.ACTION_SETTINGS_CONDITION_COLLAPSE,
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expandedCondition.getMetricsConstant());
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expandedCondition = null;
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} else {
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expandedCondition = (Condition) v.getTag();
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mMetricsFeatureProvider.action(mContext, MetricsEvent.ACTION_SETTINGS_CONDITION_EXPAND,
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expandedCondition.getMetricsConstant());
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}
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updateExpandedCondition(expandedCondition);
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}
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public Object getItem(long itemId) {
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return mDashboardData.getItemEntityById(itemId);
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}
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public static String getSuggestionIdentifier(Context context, Tile suggestion) {
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String packageName = suggestion.intent.getComponent().getPackageName();
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if (packageName.equals(context.getPackageName())) {
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// Since Settings provides several suggestions, fill in the class instead of the
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// package for these.
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packageName = suggestion.intent.getComponent().getClassName();
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}
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return packageName;
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}
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private void notifyDashboardDataChanged(DashboardData prevData) {
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if (prevData != null) {
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final DiffUtil.DiffResult diffResult = DiffUtil.calculateDiff(new DashboardData
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.ItemsDataDiffCallback(prevData.getItemList(), mDashboardData.getItemList()));
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diffResult.dispatchUpdatesTo(this);
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} else {
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notifyDataSetChanged();
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}
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}
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private void updateExpandedCondition(Condition condition) {
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final DashboardData prevData = mDashboardData;
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mDashboardData = new DashboardData.Builder(prevData)
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.setExpandedCondition(condition)
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.build();
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notifyDashboardDataChanged(prevData);
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}
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private void showRemoveOption(View v, final Tile suggestion) {
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PopupMenu popup = new PopupMenu(
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final PopupMenu popup = new PopupMenu(
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new ContextThemeWrapper(mContext, R.style.Theme_AppCompat_DayNight), v);
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popup.getMenu().add(R.string.suggestion_remove).setOnMenuItemClickListener(
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new MenuItem.OnMenuItemClickListener() {
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@Override
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public boolean onMenuItemClick(MenuItem item) {
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mMetricsFeatureProvider.action(
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mContext, MetricsEvent.ACTION_SETTINGS_DISMISS_SUGGESTION,
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DashboardAdapter.getSuggestionIdentifier(mContext, suggestion));
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disableSuggestion(suggestion);
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mSuggestions.remove(suggestion);
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recountItems();
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return true;
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}
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});
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@Override
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public boolean onMenuItemClick(MenuItem item) {
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mMetricsFeatureProvider.action(
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mContext, MetricsEvent.ACTION_SETTINGS_DISMISS_SUGGESTION,
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DashboardAdapter.getSuggestionIdentifier(mContext, suggestion));
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disableSuggestion(suggestion);
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List<Tile> suggestions = mDashboardData.getSuggestions();
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suggestions.remove(suggestion);
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DashboardData prevData = mDashboardData;
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mDashboardData = new DashboardData.Builder(prevData)
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.setSuggestions(suggestions)
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.build();
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notifyDashboardDataChanged(prevData);
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return true;
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}
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});
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popup.show();
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}
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public void disableSuggestion(Tile suggestion) {
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if (mSuggestionParser == null) {
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return;
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}
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if (mSuggestionParser.dismissSuggestion(suggestion)) {
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mContext.getPackageManager().setComponentEnabledSetting(
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suggestion.intent.getComponent(),
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PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
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PackageManager.DONT_KILL_APP);
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mSuggestionParser.markCategoryDone(suggestion.category);
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}
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}
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private void onBindSuggestionHeader(final DashboardItemHolder holder, DashboardData
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.SuggestionHeaderData data) {
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final boolean moreSuggestions = data.hasMoreSuggestions;
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final int undisplayedSuggestionCount = data.undisplayedSuggestionCount;
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private void onBindSuggestionHeader(final DashboardItemHolder holder) {
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final boolean moreSuggestions = hasMoreSuggestions();
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final int undisplayedSuggestionCount =
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mSuggestions.size() - getDisplayableSuggestionCount();
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holder.icon.setImageResource(moreSuggestions ? R.drawable.ic_expand_more
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: R.drawable.ic_expand_less);
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holder.title.setText(mContext.getString(R.string.suggestions_title, mSuggestions.size()));
|
||||
holder.title.setText(mContext.getString(R.string.suggestions_title, data.suggestionSize));
|
||||
String summaryContentDescription;
|
||||
if (moreSuggestions) {
|
||||
summaryContentDescription = mContext.getResources().getQuantityString(
|
||||
@@ -329,22 +364,22 @@ public class DashboardAdapter extends RecyclerView.Adapter<DashboardAdapter.Dash
|
||||
holder.itemView.setOnClickListener(new View.OnClickListener() {
|
||||
@Override
|
||||
public void onClick(View v) {
|
||||
if (hasMoreSuggestions()) {
|
||||
mSuggestionMode = SUGGESTION_MODE_EXPANDED;
|
||||
final int suggestionMode;
|
||||
if (moreSuggestions) {
|
||||
suggestionMode = DashboardData.SUGGESTION_MODE_EXPANDED;
|
||||
} else {
|
||||
mSuggestionMode = SUGGESTION_MODE_COLLAPSED;
|
||||
suggestionMode = DashboardData.SUGGESTION_MODE_COLLAPSED;
|
||||
}
|
||||
recountItems();
|
||||
|
||||
DashboardData prevData = mDashboardData;
|
||||
mDashboardData = new DashboardData.Builder(prevData)
|
||||
.setSuggestionMode(suggestionMode)
|
||||
.build();
|
||||
notifyDashboardDataChanged(prevData);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
private boolean hasMoreSuggestions() {
|
||||
return mSuggestionMode == SUGGESTION_MODE_COLLAPSED
|
||||
|| (mSuggestionMode == SUGGESTION_MODE_DEFAULT
|
||||
&& mSuggestions.size() > DEFAULT_SUGGESTION_COUNT);
|
||||
}
|
||||
|
||||
private void onBindTile(DashboardItemHolder holder, Tile tile) {
|
||||
holder.icon.setImageDrawable(mCache.getIcon(tile.icon));
|
||||
holder.title.setText(tile.title);
|
||||
@@ -360,98 +395,21 @@ public class DashboardAdapter extends RecyclerView.Adapter<DashboardAdapter.Dash
|
||||
holder.title.setText(category.title);
|
||||
}
|
||||
|
||||
private void onBindSeeAll(DashboardItemHolder holder) {
|
||||
holder.title.setText(mIsShowingAll ? R.string.see_less
|
||||
: R.string.see_all);
|
||||
holder.itemView.setOnClickListener(new View.OnClickListener() {
|
||||
@Override
|
||||
public void onClick(View v) {
|
||||
setShowingAll(!mIsShowingAll);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
@Override
|
||||
public long getItemId(int position) {
|
||||
return mIds.get(position);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getItemViewType(int position) {
|
||||
return mTypes.get(position);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getItemCount() {
|
||||
return mIds.size();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onClick(View v) {
|
||||
if (v.getId() == R.id.dashboard_tile) {
|
||||
((SettingsActivity) mContext).openTile((Tile) v.getTag());
|
||||
return;
|
||||
}
|
||||
if (v.getTag() == mExpandedCondition) {
|
||||
mMetricsFeatureProvider.action(mContext, MetricsEvent.ACTION_SETTINGS_CONDITION_CLICK,
|
||||
mExpandedCondition.getMetricsConstant());
|
||||
mExpandedCondition.onPrimaryClick();
|
||||
} else {
|
||||
mExpandedCondition = (Condition) v.getTag();
|
||||
mMetricsFeatureProvider.action(mContext, MetricsEvent.ACTION_SETTINGS_CONDITION_EXPAND,
|
||||
mExpandedCondition.getMetricsConstant());
|
||||
notifyDataSetChanged();
|
||||
}
|
||||
}
|
||||
|
||||
public void onExpandClick(View v) {
|
||||
if (v.getTag() == mExpandedCondition) {
|
||||
mMetricsFeatureProvider.action(mContext,
|
||||
MetricsEvent.ACTION_SETTINGS_CONDITION_COLLAPSE,
|
||||
mExpandedCondition.getMetricsConstant());
|
||||
mExpandedCondition = null;
|
||||
} else {
|
||||
mExpandedCondition = (Condition) v.getTag();
|
||||
mMetricsFeatureProvider.action(mContext, MetricsEvent.ACTION_SETTINGS_CONDITION_EXPAND,
|
||||
mExpandedCondition.getMetricsConstant());
|
||||
}
|
||||
notifyDataSetChanged();
|
||||
}
|
||||
|
||||
public Object getItem(long itemId) {
|
||||
for (int i = 0; i < mIds.size(); i++) {
|
||||
if (mIds.get(i) == itemId) {
|
||||
return mItems.get(i);
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
public static String getSuggestionIdentifier(Context context, Tile suggestion) {
|
||||
String packageName = suggestion.intent.getComponent().getPackageName();
|
||||
if (packageName.equals(context.getPackageName())) {
|
||||
// Since Settings provides several suggestions, fill in the class instead of the
|
||||
// package for these.
|
||||
packageName = suggestion.intent.getComponent().getClassName();
|
||||
}
|
||||
return packageName;
|
||||
}
|
||||
|
||||
void onSaveInstanceState(Bundle outState) {
|
||||
if (mSuggestions != null) {
|
||||
final List<Tile> suggestions = mDashboardData.getSuggestions();
|
||||
final List<DashboardCategory> categories = mDashboardData.getCategories();
|
||||
if (suggestions != null) {
|
||||
outState.putParcelableArrayList(STATE_SUGGESTION_LIST,
|
||||
new ArrayList<Tile>(mSuggestions));
|
||||
new ArrayList<Tile>(suggestions));
|
||||
}
|
||||
if (mCategories != null) {
|
||||
if (categories != null) {
|
||||
outState.putParcelableArrayList(STATE_CATEGORY_LIST,
|
||||
new ArrayList<DashboardCategory>(mCategories));
|
||||
new ArrayList<DashboardCategory>(categories));
|
||||
}
|
||||
outState.putBoolean(STATE_IS_SHOWING_ALL, mIsShowingAll);
|
||||
outState.putInt(STATE_SUGGESTION_MODE, mSuggestionMode);
|
||||
outState.putInt(STATE_SUGGESTION_MODE, mDashboardData.getSuggestionMode());
|
||||
}
|
||||
|
||||
private static class IconCache {
|
||||
|
||||
private final Context mContext;
|
||||
private final ArrayMap<Icon, Drawable> mMap = new ArrayMap<>();
|
||||
|
||||
|
||||
488
src/com/android/settings/dashboard/DashboardData.java
Normal file
488
src/com/android/settings/dashboard/DashboardData.java
Normal file
@@ -0,0 +1,488 @@
|
||||
/*
|
||||
* Copyright (C) 2016 The Android Open Source Project
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package com.android.settings.dashboard;
|
||||
|
||||
import android.annotation.IntDef;
|
||||
import android.support.v7.util.DiffUtil;
|
||||
import android.text.TextUtils;
|
||||
import com.android.settings.dashboard.conditional.Condition;
|
||||
import com.android.settingslib.drawer.DashboardCategory;
|
||||
import com.android.settingslib.drawer.Tile;
|
||||
import com.android.settings.R;
|
||||
|
||||
import java.lang.annotation.Retention;
|
||||
import java.lang.annotation.RetentionPolicy;
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* Description about data list used in the DashboardAdapter. In the data list each item can be
|
||||
* Condition, suggestion or category tile.
|
||||
* <p>
|
||||
* ItemsData has inner class Item, which represents the Item in data list.
|
||||
*/
|
||||
public class DashboardData {
|
||||
public static final int SUGGESTION_MODE_DEFAULT = 0;
|
||||
public static final int SUGGESTION_MODE_COLLAPSED = 1;
|
||||
public static final int SUGGESTION_MODE_EXPANDED = 2;
|
||||
public static final int POSITION_NOT_FOUND = -1;
|
||||
public static final int DEFAULT_SUGGESTION_COUNT = 2;
|
||||
|
||||
// id namespace for different type of items.
|
||||
private static final int NS_SPACER = 0;
|
||||
private static final int NS_SUGGESTION = 1000;
|
||||
private static final int NS_ITEMS = 2000;
|
||||
private static final int NS_CONDITION = 3000;
|
||||
|
||||
private final List<Item> mItems;
|
||||
private final List<DashboardCategory> mCategories;
|
||||
private final List<Condition> mConditions;
|
||||
private final List<Tile> mSuggestions;
|
||||
private final int mSuggestionMode;
|
||||
private final Condition mExpandedCondition;
|
||||
private int mId;
|
||||
|
||||
private DashboardData(Builder builder) {
|
||||
mCategories = builder.mCategories;
|
||||
mConditions = builder.mConditions;
|
||||
mSuggestions = builder.mSuggestions;
|
||||
mSuggestionMode = builder.mSuggestionMode;
|
||||
mExpandedCondition = builder.mExpandedCondition;
|
||||
|
||||
mItems = new ArrayList<>();
|
||||
mId = 0;
|
||||
|
||||
buildItemsData();
|
||||
}
|
||||
|
||||
public int getItemIdByPosition(int position) {
|
||||
return mItems.get(position).id;
|
||||
}
|
||||
|
||||
public int getItemTypeByPosition(int position) {
|
||||
return mItems.get(position).type;
|
||||
}
|
||||
|
||||
public Object getItemEntityByPosition(int position) {
|
||||
return mItems.get(position).entity;
|
||||
}
|
||||
|
||||
public List<Item> getItemList() {
|
||||
return mItems;
|
||||
}
|
||||
|
||||
public int size() {
|
||||
return mItems.size();
|
||||
}
|
||||
|
||||
public Object getItemEntityById(long id) {
|
||||
for (final Item item : mItems) {
|
||||
if (item.id == id) {
|
||||
return item.entity;
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
public List<DashboardCategory> getCategories() {
|
||||
return mCategories;
|
||||
}
|
||||
|
||||
public List<Condition> getConditions() {
|
||||
return mConditions;
|
||||
}
|
||||
|
||||
public List<Tile> getSuggestions() {
|
||||
return mSuggestions;
|
||||
}
|
||||
|
||||
public int getSuggestionMode() {
|
||||
return mSuggestionMode;
|
||||
}
|
||||
|
||||
public Condition getExpandedCondition() {
|
||||
return mExpandedCondition;
|
||||
}
|
||||
|
||||
/**
|
||||
* Find the position of the object in mItems list, using the equals method to compare
|
||||
*
|
||||
* @param entity the object that need to be found in list
|
||||
* @return position of the object, return POSITION_NOT_FOUND if object isn't in the list
|
||||
*/
|
||||
public int getPositionByEntity(Object entity) {
|
||||
if (entity == null) return POSITION_NOT_FOUND;
|
||||
|
||||
final int size = mItems.size();
|
||||
for (int i = 0; i < size; i++) {
|
||||
final Object item = mItems.get(i).entity;
|
||||
if (entity.equals(item)) {
|
||||
return i;
|
||||
}
|
||||
}
|
||||
|
||||
return POSITION_NOT_FOUND;
|
||||
}
|
||||
|
||||
/**
|
||||
* Find the position of the Tile object.
|
||||
* <p>
|
||||
* First, try to find the exact identical instance of the tile object, if not found,
|
||||
* then try to find a tile has the same title.
|
||||
*
|
||||
* @param tile tile that need to be found
|
||||
* @return position of the object, return INDEX_NOT_FOUND if object isn't in the list
|
||||
*/
|
||||
public int getPositionByTile(Tile tile) {
|
||||
final int size = mItems.size();
|
||||
for (int i = 0; i < size; i++) {
|
||||
final Object entity = mItems.get(i).entity;
|
||||
if (entity == tile) {
|
||||
return i;
|
||||
} else if (entity instanceof Tile && tile.title.equals(((Tile) entity).title)) {
|
||||
return i;
|
||||
}
|
||||
}
|
||||
|
||||
return POSITION_NOT_FOUND;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the count of suggestions to display
|
||||
*
|
||||
* The displayable count mainly depends on the {@link #mSuggestionMode}
|
||||
* and the size of suggestions list.
|
||||
*
|
||||
* When in default mode, displayable count couldn't larger than
|
||||
* {@link #DEFAULT_SUGGESTION_COUNT}.
|
||||
*
|
||||
* When in expanded mode, display all the suggestions.
|
||||
* @return the count of suggestions to display
|
||||
*/
|
||||
public int getDisplayableSuggestionCount() {
|
||||
final int suggestionSize = mSuggestions.size();
|
||||
return mSuggestionMode == SUGGESTION_MODE_DEFAULT
|
||||
? Math.min(DEFAULT_SUGGESTION_COUNT, suggestionSize)
|
||||
: mSuggestionMode == SUGGESTION_MODE_EXPANDED
|
||||
? suggestionSize : 0;
|
||||
}
|
||||
|
||||
public boolean hasMoreSuggestions() {
|
||||
return mSuggestionMode == SUGGESTION_MODE_COLLAPSED
|
||||
|| (mSuggestionMode == SUGGESTION_MODE_DEFAULT
|
||||
&& mSuggestions.size() > DEFAULT_SUGGESTION_COUNT);
|
||||
}
|
||||
|
||||
private void resetCount() {
|
||||
mId = 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Count the item and add it into list when {@paramref add} is true.
|
||||
*
|
||||
* Note that {@link #mId} will increment automatically and the real
|
||||
* id stored in {@link Item} is shifted by {@paramref nameSpace}. This is a
|
||||
* simple way to keep the id stable.
|
||||
*
|
||||
* @param object maybe {@link Condition}, {@link Tile}, {@link DashboardCategory} or null
|
||||
* @param type type of the item, and value is the layout id
|
||||
* @param add flag about whether to add item into list
|
||||
* @param nameSpace namespace based on the type
|
||||
*/
|
||||
private void countItem(Object object, int type, boolean add, int nameSpace) {
|
||||
if (add) {
|
||||
mItems.add(new Item(object, type, mId + nameSpace, object == mExpandedCondition));
|
||||
}
|
||||
mId++;
|
||||
}
|
||||
|
||||
/**
|
||||
* Build the mItems list using mConditions, mSuggestions, mCategories data
|
||||
* and mIsShowingAll, mSuggestionMode flag.
|
||||
*/
|
||||
private void buildItemsData() {
|
||||
boolean hasConditions = false;
|
||||
for (int i = 0; mConditions != null && i < mConditions.size(); i++) {
|
||||
boolean shouldShow = mConditions.get(i).shouldShow();
|
||||
hasConditions |= shouldShow;
|
||||
countItem(mConditions.get(i), R.layout.condition_card, shouldShow, NS_CONDITION);
|
||||
}
|
||||
|
||||
resetCount();
|
||||
final boolean hasSuggestions = mSuggestions != null && mSuggestions.size() != 0;
|
||||
countItem(null, R.layout.dashboard_spacer, hasConditions && hasSuggestions, NS_SPACER);
|
||||
countItem(buildSuggestionHeaderData(), R.layout.suggestion_header, hasSuggestions,
|
||||
NS_SPACER);
|
||||
|
||||
resetCount();
|
||||
if (mSuggestions != null) {
|
||||
int maxSuggestions = getDisplayableSuggestionCount();
|
||||
for (int i = 0; i < mSuggestions.size(); i++) {
|
||||
countItem(mSuggestions.get(i), R.layout.suggestion_tile, i < maxSuggestions,
|
||||
NS_SUGGESTION);
|
||||
}
|
||||
}
|
||||
resetCount();
|
||||
for (int i = 0; mCategories != null && i < mCategories.size(); i++) {
|
||||
DashboardCategory category = mCategories.get(i);
|
||||
countItem(category, R.layout.dashboard_category,
|
||||
!TextUtils.isEmpty(category.title), NS_ITEMS);
|
||||
for (int j = 0; j < category.tiles.size(); j++) {
|
||||
Tile tile = category.tiles.get(j);
|
||||
countItem(tile, R.layout.dashboard_tile, true, NS_ITEMS);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private SuggestionHeaderData buildSuggestionHeaderData() {
|
||||
SuggestionHeaderData data;
|
||||
if (mSuggestions == null) {
|
||||
data = new SuggestionHeaderData();
|
||||
} else {
|
||||
final boolean hasMoreSuggestions = hasMoreSuggestions();
|
||||
final int suggestionSize = mSuggestions.size();
|
||||
final int undisplayedSuggestionCount = suggestionSize - getDisplayableSuggestionCount();
|
||||
data = new SuggestionHeaderData(hasMoreSuggestions, suggestionSize,
|
||||
undisplayedSuggestionCount);
|
||||
}
|
||||
|
||||
return data;
|
||||
}
|
||||
|
||||
/**
|
||||
* Builder used to build the ItemsData
|
||||
* <p>
|
||||
* {@link #mExpandedCondition} and {@link #mSuggestionMode} have default value
|
||||
* while others are not.
|
||||
*/
|
||||
public static class Builder {
|
||||
private int mSuggestionMode = SUGGESTION_MODE_DEFAULT;
|
||||
private Condition mExpandedCondition = null;
|
||||
|
||||
private List<DashboardCategory> mCategories;
|
||||
private List<Condition> mConditions;
|
||||
private List<Tile> mSuggestions;
|
||||
|
||||
|
||||
public Builder() {
|
||||
}
|
||||
|
||||
public Builder(DashboardData dashboardData) {
|
||||
mCategories = dashboardData.mCategories;
|
||||
mConditions = dashboardData.mConditions;
|
||||
mSuggestions = dashboardData.mSuggestions;
|
||||
mSuggestionMode = dashboardData.mSuggestionMode;
|
||||
mExpandedCondition = dashboardData.mExpandedCondition;
|
||||
}
|
||||
|
||||
public Builder setCategories(List<DashboardCategory> categories) {
|
||||
this.mCategories = categories;
|
||||
return this;
|
||||
}
|
||||
|
||||
public Builder setConditions(List<Condition> conditions) {
|
||||
this.mConditions = conditions;
|
||||
return this;
|
||||
}
|
||||
|
||||
public Builder setSuggestions(List<Tile> suggestions) {
|
||||
this.mSuggestions = suggestions;
|
||||
return this;
|
||||
}
|
||||
|
||||
public Builder setSuggestionMode(int suggestionMode) {
|
||||
this.mSuggestionMode = suggestionMode;
|
||||
return this;
|
||||
}
|
||||
|
||||
public Builder setExpandedCondition(Condition expandedCondition) {
|
||||
this.mExpandedCondition = expandedCondition;
|
||||
return this;
|
||||
}
|
||||
|
||||
public DashboardData build() {
|
||||
return new DashboardData(this);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* A DiffCallback to calculate the difference between old and new Item
|
||||
* List in DashboardData
|
||||
*/
|
||||
public static class ItemsDataDiffCallback extends DiffUtil.Callback {
|
||||
final private List<Item> mOldItems;
|
||||
final private List<Item> mNewItems;
|
||||
|
||||
public ItemsDataDiffCallback(List<Item> oldItems, List<Item> newItems) {
|
||||
mOldItems = oldItems;
|
||||
mNewItems = newItems;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getOldListSize() {
|
||||
return mOldItems.size();
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getNewListSize() {
|
||||
return mNewItems.size();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean areItemsTheSame(int oldItemPosition, int newItemPosition) {
|
||||
return mOldItems.get(oldItemPosition).id == mNewItems.get(newItemPosition).id;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean areContentsTheSame(int oldItemPosition, int newItemPosition) {
|
||||
return mOldItems.get(oldItemPosition).equals(mNewItems.get(newItemPosition));
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* An item contains the data needed in the DashboardData.
|
||||
*/
|
||||
private static class Item {
|
||||
// valid types in field type
|
||||
private static final int TYPE_DASHBOARD_CATEGORY = R.layout.dashboard_category;
|
||||
private static final int TYPE_DASHBOARD_TILE = R.layout.dashboard_tile;
|
||||
private static final int TYPE_SUGGESTION_HEADER = R.layout.suggestion_header;
|
||||
private static final int TYPE_SUGGESTION_TILE = R.layout.suggestion_tile;
|
||||
private static final int TYPE_CONDITION_CARD = R.layout.condition_card;
|
||||
private static final int TYPE_DASHBOARD_SPACER = R.layout.dashboard_spacer;
|
||||
|
||||
@IntDef({TYPE_DASHBOARD_CATEGORY, TYPE_DASHBOARD_TILE, TYPE_SUGGESTION_HEADER,
|
||||
TYPE_SUGGESTION_TILE, TYPE_CONDITION_CARD, TYPE_DASHBOARD_SPACER})
|
||||
@Retention(RetentionPolicy.SOURCE)
|
||||
public @interface ItemTypes{}
|
||||
|
||||
/**
|
||||
* The main data object in item, usually is a {@link Tile}, {@link Condition} or
|
||||
* {@link DashboardCategory} object. This object can also be null when the
|
||||
* item is an divider line. Please refer to {@link #buildItemsData()} for
|
||||
* detail usage of the Item.
|
||||
*/
|
||||
public final Object entity;
|
||||
|
||||
/**
|
||||
* The type of item, value inside is the layout id(e.g. R.layout.dashboard_tile)
|
||||
*/
|
||||
public final @ItemTypes int type;
|
||||
|
||||
/**
|
||||
* Id of this item, used in the {@link ItemsDataDiffCallback} to identify the same item.
|
||||
*/
|
||||
public final int id;
|
||||
|
||||
/**
|
||||
* To store whether the condition is expanded, useless when {@link #type} is not
|
||||
* {@link #TYPE_CONDITION_CARD}
|
||||
*/
|
||||
public final boolean conditionExpanded;
|
||||
|
||||
public Item(Object entity, @ItemTypes int type, int id, boolean conditionExpanded) {
|
||||
this.entity = entity;
|
||||
this.type = type;
|
||||
this.id = id;
|
||||
this.conditionExpanded = conditionExpanded;
|
||||
}
|
||||
|
||||
/**
|
||||
* Override it to make comparision in the {@link ItemsDataDiffCallback}
|
||||
* @param obj object to compared with
|
||||
* @return true if the same object or has equal value.
|
||||
*/
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj) {
|
||||
return true;
|
||||
}
|
||||
|
||||
if (!(obj instanceof Item)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
final Item targetItem = (Item) obj;
|
||||
if (type != targetItem.type || id != targetItem.id) {
|
||||
return false;
|
||||
}
|
||||
|
||||
switch (type) {
|
||||
case TYPE_DASHBOARD_CATEGORY:
|
||||
// Only check title for dashboard category
|
||||
return TextUtils.equals(((DashboardCategory)entity).title,
|
||||
((DashboardCategory) targetItem.entity).title);
|
||||
case TYPE_DASHBOARD_TILE:
|
||||
final Tile localTile = (Tile)entity;
|
||||
final Tile targetTile = (Tile)targetItem.entity;
|
||||
|
||||
// Only check title and summary for dashboard tile
|
||||
return TextUtils.equals(localTile.title, targetTile.title)
|
||||
&& TextUtils.equals(localTile.summary, targetTile.summary);
|
||||
case TYPE_CONDITION_CARD:
|
||||
// First check conditionExpanded for quick return
|
||||
if (conditionExpanded != targetItem.conditionExpanded) {
|
||||
return false;
|
||||
}
|
||||
// After that, go to default to do final check
|
||||
default:
|
||||
return entity == null ? targetItem.entity == null
|
||||
: entity.equals(targetItem.entity);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* This class contains the data needed to build the header. The data can also be
|
||||
* used to check the diff in DiffUtil.Callback
|
||||
*/
|
||||
public static class SuggestionHeaderData {
|
||||
public final boolean hasMoreSuggestions;
|
||||
public final int suggestionSize;
|
||||
public final int undisplayedSuggestionCount;
|
||||
|
||||
public SuggestionHeaderData(boolean moreSuggestions, int suggestionSize, int
|
||||
undisplayedSuggestionCount) {
|
||||
this.hasMoreSuggestions = moreSuggestions;
|
||||
this.suggestionSize = suggestionSize;
|
||||
this.undisplayedSuggestionCount = undisplayedSuggestionCount;
|
||||
}
|
||||
|
||||
public SuggestionHeaderData() {
|
||||
hasMoreSuggestions = false;
|
||||
suggestionSize = 0;
|
||||
undisplayedSuggestionCount = 0;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj) {
|
||||
return true;
|
||||
}
|
||||
|
||||
if (!(obj instanceof SuggestionHeaderData)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
SuggestionHeaderData targetData = (SuggestionHeaderData) obj;
|
||||
|
||||
return hasMoreSuggestions == targetData.hasMoreSuggestions
|
||||
&& suggestionSize == targetData.suggestionSize
|
||||
&& undisplayedSuggestionCount == targetData.undisplayedSuggestionCount;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user