Extract out common adapter logic to support different AllApps layouts (6badc405) · Commits · e / os / android_packages_apps_Trebuchet

quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsContainerView.java

+10 −0

Original line number	Diff line number	Diff line
		@@ -25,6 +25,9 @@ import android.view.WindowInsets;
		import androidx.recyclerview.widget.RecyclerView;

		import com.android.launcher3.allapps.AllAppsGridAdapter;
		import com.android.launcher3.allapps.AlphabeticalAppsList;
		import com.android.launcher3.allapps.BaseAdapterProvider;
		import com.android.launcher3.allapps.BaseAllAppsAdapter;
		import com.android.launcher3.allapps.BaseAllAppsContainerView;
		import com.android.launcher3.allapps.search.SearchAdapterProvider;

		@@ -79,4 +82,11 @@ public class TaskbarAllAppsContainerView extends BaseAllAppsContainerView<Taskba
		setInsets(insets.getInsets(WindowInsets.Type.systemBars()).toRect());
		return super.onApplyWindowInsets(insets);
		}

		@Override
		protected BaseAllAppsAdapter getAdapter(AlphabeticalAppsList<TaskbarAllAppsContext> mAppsList,
		BaseAdapterProvider[] adapterProviders) {
		return new AllAppsGridAdapter<>(mActivityContext, getLayoutInflater(), mAppsList,
		adapterProviders);
		}
		}

src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java

+7 −0

Original line number	Diff line number	Diff line
		@@ -256,4 +256,11 @@ public class ActivityAllAppsContainerView<T extends BaseDraggingActivity> extend
		layoutParams.removeRule(RelativeLayout.BELOW);
		layoutParams.addRule(RelativeLayout.ALIGN_PARENT_TOP);
		}

		@Override
		protected BaseAllAppsAdapter getAdapter(AlphabeticalAppsList<T> mAppsList,
		BaseAdapterProvider[] adapterProviders) {
		return new AllAppsGridAdapter<>(mActivityContext, getLayoutInflater(), mAppsList,
		adapterProviders);
		}
		}

src/com/android/launcher3/allapps/AllAppsGridAdapter.java

+28 −313

Original line number	Diff line number	Diff line
		@@ -15,36 +15,20 @@
		*/
		package com.android.launcher3.allapps;

		import static com.android.launcher3.touch.ItemLongClickListener.INSTANCE_ALL_APPS;

		import android.content.Context;
		import android.content.res.Resources;
		import android.view.Gravity;
		import android.view.LayoutInflater;
		import android.view.View;
		import android.view.View.OnClickListener;
		import android.view.View.OnFocusChangeListener;
		import android.view.View.OnLongClickListener;
		import android.view.ViewGroup;
		import android.view.accessibility.AccessibilityEvent;
		import android.widget.TextView;

		import androidx.annotation.NonNull;
		import androidx.annotation.Nullable;
		import androidx.core.view.accessibility.AccessibilityEventCompat;
		import androidx.core.view.accessibility.AccessibilityNodeInfoCompat;
		import androidx.core.view.accessibility.AccessibilityRecordCompat;
		import androidx.recyclerview.widget.GridLayoutManager;
		import androidx.recyclerview.widget.RecyclerView;

		import com.android.launcher3.BubbleTextView;
		import com.android.launcher3.R;
		import com.android.launcher3.config.FeatureFlags;
		import com.android.launcher3.model.data.AppInfo;
		import com.android.launcher3.model.data.ItemInfoWithIcon;
		import com.android.launcher3.views.ActivityContext;

		import java.util.Arrays;
		import java.util.List;

		/**
		@@ -53,111 +37,26 @@ import java.util.List;
		* @param <T> Type of context inflating all apps.
		*/
		public class AllAppsGridAdapter<T extends Context & ActivityContext> extends
		RecyclerView.Adapter<AllAppsGridAdapter.ViewHolder> {
		BaseAllAppsAdapter<T> {

		public static final String TAG = "AppsGridAdapter";
		private final GridLayoutManager mGridLayoutMgr;
		private final GridSpanSizer mGridSizer;

		// A normal icon
		public static final int VIEW_TYPE_ICON = 1 << 1;
		// The message shown when there are no filtered results
		public static final int VIEW_TYPE_EMPTY_SEARCH = 1 << 2;
		// The message to continue to a market search when there are no filtered results
		public static final int VIEW_TYPE_SEARCH_MARKET = 1 << 3;

		// We use various dividers for various purposes. They share enough attributes to reuse layouts,
		// but differ in enough attributes to require different view types

		// A divider that separates the apps list and the search market button
		public static final int VIEW_TYPE_ALL_APPS_DIVIDER = 1 << 4;

		// Common view type masks
		public static final int VIEW_TYPE_MASK_DIVIDER = VIEW_TYPE_ALL_APPS_DIVIDER;
		public static final int VIEW_TYPE_MASK_ICON = VIEW_TYPE_ICON;


		private final BaseAdapterProvider[] mAdapterProviders;

		/**
		* ViewHolder for each icon.
		*/
		public static class ViewHolder extends RecyclerView.ViewHolder {

		public ViewHolder(View v) {
		super(v);
		}
		}

		/**
		* Info about a particular adapter item (can be either section or app)
		*/
		public static class AdapterItem {
		/** Common properties */
		// The index of this adapter item in the list
		public int position;
		// The type of this item
		public int viewType;

		// The section name of this item. Note that there can be multiple items with different
		// sectionNames in the same section
		public String sectionName = null;
		// The row that this item shows up on
		public int rowIndex;
		// The index of this app in the row
		public int rowAppIndex;
		// The associated ItemInfoWithIcon for the item
		public ItemInfoWithIcon itemInfo = null;
		// The index of this app not including sections
		public int appIndex = -1;
		// Search section associated to result
		public DecorationInfo decorationInfo = null;

		/**
		* Factory method for AppIcon AdapterItem
		*/
		public static AdapterItem asApp(int pos, String sectionName, AppInfo appInfo,
		int appIndex) {
		AdapterItem item = new AdapterItem();
		item.viewType = VIEW_TYPE_ICON;
		item.position = pos;
		item.sectionName = sectionName;
		item.itemInfo = appInfo;
		item.appIndex = appIndex;
		return item;
		}

		/**
		* Factory method for empty search results view
		*/
		public static AdapterItem asEmptySearch(int pos) {
		AdapterItem item = new AdapterItem();
		item.viewType = VIEW_TYPE_EMPTY_SEARCH;
		item.position = pos;
		return item;
		}

		/**
		* Factory method for a dividerView in AllAppsSearch
		*/
		public static AdapterItem asAllAppsDivider(int pos) {
		AdapterItem item = new AdapterItem();
		item.viewType = VIEW_TYPE_ALL_APPS_DIVIDER;
		item.position = pos;
		return item;
		public AllAppsGridAdapter(T activityContext, LayoutInflater inflater,
		AlphabeticalAppsList apps, BaseAdapterProvider[] adapterProviders) {
		super(activityContext, inflater, apps, adapterProviders);
		mGridSizer = new GridSpanSizer();
		mGridLayoutMgr = new AppsGridLayoutManager(mActivityContext);
		mGridLayoutMgr.setSpanSizeLookup(mGridSizer);
		setAppsPerRow(activityContext.getDeviceProfile().numShownAllAppsColumns);
		}

		/**
		* Factory method for a market search button
		* Returns the grid layout manager.
		*/
		public static AdapterItem asMarketSearch(int pos) {
		AdapterItem item = new AdapterItem();
		item.viewType = VIEW_TYPE_SEARCH_MARKET;
		item.position = pos;
		return item;
		}

		protected boolean isCountedForAccessibility() {
		return viewType == VIEW_TYPE_ICON \|\| viewType == VIEW_TYPE_SEARCH_MARKET;
		}
		public RecyclerView.LayoutManager getLayoutManager() {
		return mGridLayoutMgr;
		}

		/**
		@@ -217,7 +116,7 @@ public class AllAppsGridAdapter<T extends Context & ActivityContext> extends
		*/
		private int getRowsNotForAccessibility(int adapterPosition) {
		List<AdapterItem> items = mApps.getAdapterItems();
		adapterPosition = Math.max(adapterPosition, mApps.getAdapterItems().size() - 1);
		adapterPosition = Math.max(adapterPosition, items.size() - 1);
		int extraRows = 0;
		for (int i = 0; i <= adapterPosition; i++) {
		if (!isViewType(items.get(i).viewType, VIEW_TYPE_MASK_ICON)) {
		@@ -228,73 +127,7 @@ public class AllAppsGridAdapter<T extends Context & ActivityContext> extends
		}
		}

		/**
		* Helper class to size the grid items.
		*/
		public class GridSpanSizer extends GridLayoutManager.SpanSizeLookup {

		public GridSpanSizer() {
		super();
		setSpanIndexCacheEnabled(true);
		}

		@Override
		public int getSpanSize(int position) {
		int viewType = mApps.getAdapterItems().get(position).viewType;
		int totalSpans = mGridLayoutMgr.getSpanCount();
		if (isIconViewType(viewType)) {
		return totalSpans / mAppsPerRow;
		} else {
		BaseAdapterProvider adapterProvider = getAdapterProvider(viewType);
		if (adapterProvider != null) {
		return totalSpans / adapterProvider.getItemsPerRow(viewType, mAppsPerRow);
		}

		// Section breaks span the full width
		return totalSpans;
		}
		}
		}

		private final T mActivityContext;
		private final LayoutInflater mLayoutInflater;
		private final AlphabeticalAppsList<T> mApps;
		private final GridLayoutManager mGridLayoutMgr;
		private final GridSpanSizer mGridSizer;

		private final OnClickListener mOnIconClickListener;
		private OnLongClickListener mOnIconLongClickListener = INSTANCE_ALL_APPS;

		private int mAppsPerRow;

		private OnFocusChangeListener mIconFocusListener;

		// The text to show when there are no search results and no market search handler.
		protected String mEmptySearchMessage;
		// The click listener to send off to the market app, updated each time the search query changes.
		private OnClickListener mMarketSearchClickListener;

		private final int mExtraHeight;

		public AllAppsGridAdapter(T activityContext, LayoutInflater inflater,
		AlphabeticalAppsList<T> apps, BaseAdapterProvider[] adapterProviders) {
		Resources res = activityContext.getResources();
		mActivityContext = activityContext;
		mApps = apps;
		mEmptySearchMessage = res.getString(R.string.all_apps_loading_message);
		mGridSizer = new GridSpanSizer();
		mGridLayoutMgr = new AppsGridLayoutManager(mActivityContext);
		mGridLayoutMgr.setSpanSizeLookup(mGridSizer);
		mLayoutInflater = inflater;

		mOnIconClickListener = mActivityContext.getItemOnClickListener();

		mAdapterProviders = adapterProviders;
		setAppsPerRow(mActivityContext.getDeviceProfile().numShownAllAppsColumns);
		mExtraHeight = mActivityContext.getResources().getDimensionPixelSize(
		R.dimen.all_apps_height_extra);
		}

		public void setAppsPerRow(int appsPerRow) {
		mAppsPerRow = appsPerRow;
		int totalSpans = mAppsPerRow;
		@@ -309,148 +142,30 @@ public class AllAppsGridAdapter<T extends Context & ActivityContext> extends
		}

		/**
		* Sets the long click listener for icons
		*/
		public void setOnIconLongClickListener(@Nullable OnLongClickListener listener) {
		mOnIconLongClickListener = listener;
		}

		public static boolean isDividerViewType(int viewType) {
		return isViewType(viewType, VIEW_TYPE_MASK_DIVIDER);
		}

		public static boolean isIconViewType(int viewType) {
		return isViewType(viewType, VIEW_TYPE_MASK_ICON);
		}

		public static boolean isViewType(int viewType, int viewTypeMask) {
		return (viewType & viewTypeMask) != 0;
		}

		public void setIconFocusListener(OnFocusChangeListener focusListener) {
		mIconFocusListener = focusListener;
		}

		/**
		* Sets the last search query that was made, used to show when there are no results and to also
		* seed the intent for searching the market.
		*/
		public void setLastSearchQuery(String query, OnClickListener marketSearchClickListener) {
		Resources res = mActivityContext.getResources();
		mEmptySearchMessage = res.getString(R.string.all_apps_no_search_results, query);
		mMarketSearchClickListener = marketSearchClickListener;
		}

		/**
		* Returns the grid layout manager.
		* Helper class to size the grid items.
		*/
		public GridLayoutManager getLayoutManager() {
		return mGridLayoutMgr;
		}
		public class GridSpanSizer extends GridLayoutManager.SpanSizeLookup {

		@Override
		public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
		switch (viewType) {
		case VIEW_TYPE_ICON:
		int layout = !FeatureFlags.ENABLE_TWOLINE_ALLAPPS.get() ? R.layout.all_apps_icon
		: R.layout.all_apps_icon_twoline;
		BubbleTextView icon = (BubbleTextView) mLayoutInflater.inflate(
		layout, parent, false);
		icon.setLongPressTimeoutFactor(1f);
		icon.setOnFocusChangeListener(mIconFocusListener);
		icon.setOnClickListener(mOnIconClickListener);
		icon.setOnLongClickListener(mOnIconLongClickListener);
		// Ensure the all apps icon height matches the workspace icons in portrait mode.
		icon.getLayoutParams().height =
		mActivityContext.getDeviceProfile().allAppsCellHeightPx;
		if (FeatureFlags.ENABLE_TWOLINE_ALLAPPS.get()) {
		icon.getLayoutParams().height += mExtraHeight;
		}
		return new ViewHolder(icon);
		case VIEW_TYPE_EMPTY_SEARCH:
		return new ViewHolder(mLayoutInflater.inflate(R.layout.all_apps_empty_search,
		parent, false));
		case VIEW_TYPE_SEARCH_MARKET:
		View searchMarketView = mLayoutInflater.inflate(R.layout.all_apps_search_market,
		parent, false);
		searchMarketView.setOnClickListener(mMarketSearchClickListener);
		return new ViewHolder(searchMarketView);
		case VIEW_TYPE_ALL_APPS_DIVIDER:
		return new ViewHolder(mLayoutInflater.inflate(
		R.layout.all_apps_divider, parent, false));
		default:
		BaseAdapterProvider adapterProvider = getAdapterProvider(viewType);
		if (adapterProvider != null) {
		return adapterProvider.onCreateViewHolder(mLayoutInflater, parent, viewType);
		}
		throw new RuntimeException("Unexpected view type" + viewType);
		}
		public GridSpanSizer() {
		super();
		setSpanIndexCacheEnabled(true);
		}

		@Override
		public void onBindViewHolder(ViewHolder holder, int position) {
		switch (holder.getItemViewType()) {
		case VIEW_TYPE_ICON:
		AdapterItem adapterItem = mApps.getAdapterItems().get(position);
		BubbleTextView icon = (BubbleTextView) holder.itemView;
		icon.reset();
		if (adapterItem.itemInfo instanceof AppInfo) {
		icon.applyFromApplicationInfo((AppInfo) adapterItem.itemInfo);
		} else {
		icon.applyFromItemInfoWithIcon(adapterItem.itemInfo);
		}
		break;
		case VIEW_TYPE_EMPTY_SEARCH:
		TextView emptyViewText = (TextView) holder.itemView;
		emptyViewText.setText(mEmptySearchMessage);
		emptyViewText.setGravity(mApps.hasNoFilteredResults() ? Gravity.CENTER :
		Gravity.START \| Gravity.CENTER_VERTICAL);
		break;
		case VIEW_TYPE_SEARCH_MARKET:
		TextView searchView = (TextView) holder.itemView;
		if (mMarketSearchClickListener != null) {
		searchView.setVisibility(View.VISIBLE);
		public int getSpanSize(int position) {
		int viewType = mApps.getAdapterItems().get(position).viewType;
		int totalSpans = mGridLayoutMgr.getSpanCount();
		if (isIconViewType(viewType)) {
		return totalSpans / mAppsPerRow;
		} else {
		searchView.setVisibility(View.GONE);
		}
		break;
		case VIEW_TYPE_ALL_APPS_DIVIDER:
		// nothing to do
		break;
		default:
		BaseAdapterProvider adapterProvider = getAdapterProvider(holder.getItemViewType());
		BaseAdapterProvider adapterProvider = getAdapterProvider(viewType);
		if (adapterProvider != null) {
		adapterProvider.onBindView(holder, position);
		}
		}
		}

		@Override
		public void onViewRecycled(@NonNull ViewHolder holder) {
		super.onViewRecycled(holder);
		}

		@Override
		public boolean onFailedToRecycleView(ViewHolder holder) {
		// Always recycle and we will reset the view when it is bound
		return true;
		return totalSpans / adapterProvider.getItemsPerRow(viewType, mAppsPerRow);
		}

		@Override
		public int getItemCount() {
		return mApps.getAdapterItems().size();
		// Section breaks span the full width
		return totalSpans;
		}

		@Override
		public int getItemViewType(int position) {
		AdapterItem item = mApps.getAdapterItems().get(position);
		return item.viewType;
		}

		@Nullable
		private BaseAdapterProvider getAdapterProvider(int viewType) {
		return Arrays.stream(mAdapterProviders).filter(
		adapterProvider -> adapterProvider.isViewSupported(viewType)).findFirst().orElse(
		null);
		}
		}

src/com/android/launcher3/allapps/AlphabeticalAppsList.java

+3 −3

Original line number	Diff line number	Diff line
		@@ -18,7 +18,7 @@ package com.android.launcher3.allapps;

		import android.content.Context;

		import com.android.launcher3.allapps.AllAppsGridAdapter.AdapterItem;
		import com.android.launcher3.allapps.BaseAllAppsAdapter.AdapterItem;
		import com.android.launcher3.config.FeatureFlags;
		import com.android.launcher3.model.data.AppInfo;
		import com.android.launcher3.util.ItemInfoMatcher;
		@@ -82,7 +82,7 @@ public class AlphabeticalAppsList<T extends Context & ActivityContext> implement

		// The of ordered component names as a result of a search query
		private ArrayList<AdapterItem> mSearchResults;
		private AllAppsGridAdapter<T> mAdapter;
		private BaseAllAppsAdapter<T> mAdapter;
		private AppInfoComparator mAppNameComparator;
		private final int mNumAppsPerRow;
		private int mNumAppRowsInAdapter;
		@@ -106,7 +106,7 @@ public class AlphabeticalAppsList<T extends Context & ActivityContext> implement
		/**
		* Sets the adapter to notify when this dataset changes.
		*/
		public void setAdapter(AllAppsGridAdapter<T> adapter) {
		public void setAdapter(BaseAllAppsAdapter<T> adapter) {
		mAdapter = adapter;
		}

src/com/android/launcher3/allapps/BaseAllAppsAdapter.java

0 → 100644

+333 −0

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