Add suggestions parsing to SettingsLib (f509d7e6) · Commits · e / os / android_frameworks_base

packages/SettingsLib/src/com/android/settingslib/SuggestionParser.java

0 → 100644

+177 −0

Original line number	Diff line number	Diff line
		/*
		* 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.settingslib;

		import android.content.Context;
		import android.content.Intent;
		import android.os.UserHandle;
		import android.text.TextUtils;
		import android.util.ArrayMap;
		import android.util.AttributeSet;
		import android.util.Log;
		import android.util.Pair;
		import android.util.Xml;
		import android.view.InflateException;
		import com.android.settingslib.drawer.Tile;
		import com.android.settingslib.drawer.TileUtils;
		import org.xmlpull.v1.XmlPullParser;
		import org.xmlpull.v1.XmlPullParserException;

		import java.io.IOException;
		import java.util.ArrayList;
		import java.util.List;

		public class SuggestionParser {

		private static final String TAG = "SuggestionParser";

		private final Context mContext;
		private final List<SuggestionCategory> mSuggestionList;
		private final ArrayMap<Pair<String, String>, Tile> addCache = new ArrayMap<>();

		public SuggestionParser(Context context, int orderXml) {
		mContext = context;
		mSuggestionList = (List<SuggestionCategory>) new SuggestionOrderInflater(mContext)
		.parse(orderXml);
		}

		public List<Tile> getSuggestions() {
		List<Tile> suggestions = new ArrayList<>();
		final int N = mSuggestionList.size();
		for (int i = 0; i < N; i++) {
		readSuggestions(mSuggestionList.get(i), suggestions);
		}
		return suggestions;
		}

		private void readSuggestions(SuggestionCategory category, List<Tile> suggestions) {
		int countBefore = suggestions.size();
		Intent intent = new Intent(Intent.ACTION_MAIN);
		intent.addCategory(category.category);
		if (category.pkg != null) {
		intent.setPackage(category.pkg);
		}
		TileUtils.getTilesForIntent(mContext, new UserHandle(UserHandle.myUserId()), intent,
		addCache, null, suggestions, true, false);
		if (!category.multiple && suggestions.size() > (countBefore + 1)) {
		// If there are too many, remove them all and only re-add the one with the highest
		// priority.
		Tile item = suggestions.remove(suggestions.size() - 1);
		while (suggestions.size() > countBefore) {
		Tile last = suggestions.remove(suggestions.size() - 1);
		if (last.priority > item.priority) {
		item = last;
		}
		}
		suggestions.add(item);
		}
		}

		private static class SuggestionCategory {
		public String category;
		public String pkg;
		public boolean multiple;
		}

		private static class SuggestionOrderInflater {
		private static final String TAG_LIST = "optional-steps";
		private static final String TAG_ITEM = "step";

		private static final String ATTR_CATEGORY = "category";
		private static final String ATTR_PACKAGE = "package";
		private static final String ATTR_MULTIPLE = "multiple";

		private final Context mContext;

		public SuggestionOrderInflater(Context context) {
		mContext = context;
		}

		public Object parse(int resource) {
		XmlPullParser parser = mContext.getResources().getXml(resource);
		final AttributeSet attrs = Xml.asAttributeSet(parser);
		try {
		// Look for the root node.
		int type;
		do {
		type = parser.next();
		} while (type != XmlPullParser.START_TAG && type != XmlPullParser.END_DOCUMENT);

		if (type != XmlPullParser.START_TAG) {
		throw new InflateException(parser.getPositionDescription()
		+ ": No start tag found!");
		}

		// Temp is the root that was found in the xml
		Object xmlRoot = onCreateItem(parser.getName(), attrs);

		// Inflate all children under temp
		rParse(parser, xmlRoot, attrs);
		return xmlRoot;
		} catch (XmlPullParserException \| IOException e) {
		Log.w(TAG, "Problem parser resource " + resource, e);
		return null;
		}
		}

		/**
		* Recursive method used to descend down the xml hierarchy and instantiate
		* items, instantiate their children.
		*/
		private void rParse(XmlPullParser parser, Object parent, final AttributeSet attrs)
		throws XmlPullParserException, IOException {
		final int depth = parser.getDepth();

		int type;
		while (((type = parser.next()) != XmlPullParser.END_TAG \|\|
		parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) {
		if (type != XmlPullParser.START_TAG) {
		continue;
		}

		final String name = parser.getName();

		Object item = onCreateItem(name, attrs);
		onAddChildItem(parent, item);
		rParse(parser, item, attrs);
		}
		}

		protected void onAddChildItem(Object parent, Object child) {
		if (parent instanceof List<?> && child instanceof SuggestionCategory) {
		((List<SuggestionCategory>) parent).add((SuggestionCategory) child);
		} else {
		throw new IllegalArgumentException("Parent was not a list");
		}
		}

		protected Object onCreateItem(String name, AttributeSet attrs) {
		if (name.equals(TAG_LIST)) {
		return new ArrayList<SuggestionCategory>();
		} else if (name.equals(TAG_ITEM)) {
		SuggestionCategory category = new SuggestionCategory();
		category.category = attrs.getAttributeValue(null, ATTR_CATEGORY);
		category.pkg = attrs.getAttributeValue(null, ATTR_PACKAGE);
		String multiple = attrs.getAttributeValue(null, ATTR_MULTIPLE);
		category.multiple = !TextUtils.isEmpty(multiple) && Boolean.parseBoolean(multiple);
		return category;
		} else {
		throw new IllegalArgumentException("Unknown item " + name);
		}
		}
		}
		}

packages/SettingsLib/src/com/android/settingslib/drawer/DashboardCategory.java

+7 −7

Original line number	Diff line number	Diff line
		@@ -43,22 +43,22 @@ public class DashboardCategory implements Parcelable {
		/**
		* List of the category's children
		*/
		public List<DashboardTile> tiles = new ArrayList<DashboardTile>();
		public List<Tile> tiles = new ArrayList<Tile>();


		public DashboardCategory() {
		// Empty
		}

		public void addTile(DashboardTile tile) {
		public void addTile(Tile tile) {
		tiles.add(tile);
		}

		public void addTile(int n, DashboardTile tile) {
		public void addTile(int n, Tile tile) {
		tiles.add(n, tile);
		}

		public void removeTile(DashboardTile tile) {
		public void removeTile(Tile tile) {
		tiles.remove(tile);
		}

		@@ -70,7 +70,7 @@ public class DashboardCategory implements Parcelable {
		return tiles.size();
		}

		public DashboardTile getTile(int n) {
		public Tile getTile(int n) {
		return tiles.get(n);
		}

		@@ -89,7 +89,7 @@ public class DashboardCategory implements Parcelable {
		dest.writeInt(count);

		for (int n = 0; n < count; n++) {
		DashboardTile tile = tiles.get(n);
		Tile tile = tiles.get(n);
		tile.writeToParcel(dest, flags);
		}
		}
		@@ -102,7 +102,7 @@ public class DashboardCategory implements Parcelable {
		final int count = in.readInt();

		for (int n = 0; n < count; n++) {
		DashboardTile tile = DashboardTile.CREATOR.createFromParcel(in);
		Tile tile = Tile.CREATOR.createFromParcel(in);
		tiles.add(tile);
		}
		}

packages/SettingsLib/src/com/android/settingslib/drawer/ProfileSelectDialog.java

+2 −2

Original line number	Diff line number	Diff line
		@@ -30,9 +30,9 @@ public class ProfileSelectDialog extends DialogFragment implements OnClickListen

		private static final String ARG_SELECTED_TILE = "selectedTile";

		private DashboardTile mSelectedTile;
		private Tile mSelectedTile;

		public static void show(FragmentManager manager, DashboardTile tile) {
		public static void show(FragmentManager manager, Tile tile) {
		ProfileSelectDialog dialog = new ProfileSelectDialog();
		Bundle args = new Bundle();
		args.putParcelable(ARG_SELECTED_TILE, tile);

packages/SettingsLib/src/com/android/settingslib/drawer/SettingsDrawerActivity.java

+3 −3

Original line number	Diff line number	Diff line
		@@ -49,7 +49,7 @@ public class SettingsDrawerActivity extends Activity {
		private static final String TAG = "SettingsDrawerActivity";

		private static List<DashboardCategory> sDashboardCategories;
		private static HashMap<Pair<String, String>, DashboardTile> sTileCache;
		private static HashMap<Pair<String, String>, Tile> sTileCache;

		private final PackageReceiver mPackageReceiver = new PackageReceiver();
		private final List<CategoryListener> mCategoryListeners = new ArrayList<>();
		@@ -194,7 +194,7 @@ public class SettingsDrawerActivity extends Activity {
		}
		}

		public boolean openTile(DashboardTile tile) {
		public boolean openTile(Tile tile) {
		closeDrawer();
		if (tile == null) {
		return false;
		@@ -211,7 +211,7 @@ public class SettingsDrawerActivity extends Activity {
		return true;
		}

		protected void onTileClicked(DashboardTile tile) {
		protected void onTileClicked(Tile tile) {
		if (openTile(tile)) {
		finish();
		}

packages/SettingsLib/src/com/android/settingslib/drawer/SettingsDrawerAdapter.java

+3 −3

Original line number	Diff line number	Diff line
		@@ -48,7 +48,7 @@ public class SettingsDrawerAdapter extends BaseAdapter {
		mItems.add(category);
		for (int j = 0; j < dashboardCategory.tiles.size(); j++) {
		Item tile = new Item();
		DashboardTile dashboardTile = dashboardCategory.tiles.get(j);
		Tile dashboardTile = dashboardCategory.tiles.get(j);
		tile.label = dashboardTile.title;
		tile.icon = dashboardTile.icon;
		tile.tile = dashboardTile;
		@@ -58,7 +58,7 @@ public class SettingsDrawerAdapter extends BaseAdapter {
		notifyDataSetChanged();
		}

		public DashboardTile getTile(int position) {
		public Tile getTile(int position) {
		return mItems.get(position).tile;
		}

		@@ -101,6 +101,6 @@ public class SettingsDrawerAdapter extends BaseAdapter {
		private static class Item {
		public Icon icon;
		public CharSequence label;
		public DashboardTile tile;
		public Tile tile;
		}
		}