SettingsDrawerActivity.java revision 2a5d79aa6fd882ef6f46439f5156c516f173f06a 
1/**
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.android.settingslib.drawer;
17
18import android.annotation.LayoutRes;
19import android.annotation.Nullable;
20import android.app.Activity;
21import android.content.BroadcastReceiver;
22import android.content.Context;
23import android.content.Intent;
24import android.content.IntentFilter;
25import android.content.res.TypedArray;
26import android.os.AsyncTask;
27import android.os.Bundle;
28import android.support.v4.widget.DrawerLayout;
29import android.util.Log;
30import android.util.Pair;
31import android.view.Gravity;
32import android.view.LayoutInflater;
33import android.view.MenuItem;
34import android.view.View;
35import android.view.ViewGroup;
36import android.view.Window;
37import android.widget.AdapterView;
38import android.widget.ListView;
39import android.widget.Toolbar;
40import com.android.settingslib.R;
41
42import java.util.ArrayList;
43import java.util.HashMap;
44import java.util.List;
45
46public class SettingsDrawerActivity extends Activity {
47
48    protected static final boolean DEBUG_TIMING = false;
49    private static final String TAG = "SettingsDrawerActivity";
50
51    private static List<DashboardCategory> sDashboardCategories;
52    private static HashMap<Pair<String, String>, DashboardTile> sTileCache;
53
54    private final PackageReceiver mPackageReceiver = new PackageReceiver();
55    private final List<CategoryListener> mCategoryListeners = new ArrayList<>();
56
57    private SettingsDrawerAdapter mDrawerAdapter;
58    private DrawerLayout mDrawerLayout;
59
60    @Override
61    protected void onCreate(@Nullable Bundle savedInstanceState) {
62        super.onCreate(savedInstanceState);
63
64        long startTime = System.currentTimeMillis();
65
66        requestWindowFeature(Window.FEATURE_NO_TITLE);
67        super.setContentView(R.layout.settings_with_drawer);
68        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
69        if (mDrawerLayout == null) {
70            return;
71        }
72        Toolbar toolbar = (Toolbar) findViewById(R.id.action_bar);
73        TypedArray theme = getTheme().obtainStyledAttributes(android.R.styleable.Theme);
74        if (theme.getBoolean(android.R.styleable.Theme_windowNoTitle, false)) {
75            toolbar.setVisibility(View.GONE);
76            mDrawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED);
77            mDrawerLayout = null;
78            return;
79        }
80        getDashboardCategories();
81        setActionBar(toolbar);
82        mDrawerAdapter = new SettingsDrawerAdapter(this);
83        ListView listView = (ListView) findViewById(R.id.left_drawer);
84        listView.setAdapter(mDrawerAdapter);
85        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
86            public void onItemClick(android.widget.AdapterView<?> parent, View view, int position,
87                    long id) {
88                onTileClicked(mDrawerAdapter.getTile(position));
89            };
90        });
91        if (DEBUG_TIMING) Log.d(TAG, "onCreate took " + (System.currentTimeMillis() - startTime)
92                + " ms");
93    }
94
95    @Override
96    public boolean onOptionsItemSelected(MenuItem item) {
97        if (mDrawerLayout != null && item.getItemId() == android.R.id.home
98                && mDrawerAdapter.getCount() != 0) {
99            openDrawer();
100            return true;
101        }
102        return super.onOptionsItemSelected(item);
103    }
104
105    @Override
106    protected void onResume() {
107        super.onResume();
108
109        if (mDrawerLayout != null) {
110            final IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED);
111            filter.addAction(Intent.ACTION_PACKAGE_REMOVED);
112            filter.addAction(Intent.ACTION_PACKAGE_CHANGED);
113            filter.addAction(Intent.ACTION_PACKAGE_REPLACED);
114            filter.addDataScheme("package");
115            registerReceiver(mPackageReceiver, filter);
116
117            new CategoriesUpdater().execute();
118        }
119    }
120
121    @Override
122    protected void onPause() {
123        if (mDrawerLayout != null) {
124            unregisterReceiver(mPackageReceiver);
125        }
126
127        super.onPause();
128    }
129
130    public void addCategoryListener(CategoryListener listener) {
131        mCategoryListeners.add(listener);
132    }
133
134    public void remCategoryListener(CategoryListener listener) {
135        mCategoryListeners.remove(listener);
136    }
137
138    public void openDrawer() {
139        if (mDrawerLayout != null) {
140            mDrawerLayout.openDrawer(Gravity.START);
141        }
142    }
143
144    public void closeDrawer() {
145        if (mDrawerLayout != null) {
146            mDrawerLayout.closeDrawers();
147        }
148    }
149
150    @Override
151    public void setContentView(@LayoutRes int layoutResID) {
152        LayoutInflater.from(this).inflate(layoutResID,
153                (ViewGroup) findViewById(R.id.content_frame));
154    }
155
156    @Override
157    public void setContentView(View view) {
158        ((ViewGroup) findViewById(R.id.content_frame)).addView(view);
159    }
160
161    @Override
162    public void setContentView(View view, ViewGroup.LayoutParams params) {
163        ((ViewGroup) findViewById(R.id.content_frame)).addView(view, params);
164    }
165
166    public void updateDrawer() {
167        if (mDrawerLayout == null) {
168            return;
169        }
170        // TODO: Do this in the background with some loading.
171        mDrawerAdapter.updateCategories();
172        if (mDrawerAdapter.getCount() != 0) {
173            mDrawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_UNLOCKED);
174            getActionBar().setHomeAsUpIndicator(R.drawable.ic_menu);
175            getActionBar().setDisplayHomeAsUpEnabled(true);
176        } else {
177            mDrawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED);
178        }
179    }
180
181    public List<DashboardCategory> getDashboardCategories() {
182        if (sDashboardCategories == null) {
183            sTileCache = new HashMap<>();
184            sDashboardCategories = TileUtils.getCategories(this, sTileCache);
185        }
186        return sDashboardCategories;
187    }
188
189    protected void onCategoriesChanged() {
190        updateDrawer();
191        final int N = mCategoryListeners.size();
192        for (int i = 0; i < N; i++) {
193            mCategoryListeners.get(i).onCategoriesChanged();
194        }
195    }
196
197    public boolean openTile(DashboardTile tile) {
198        closeDrawer();
199        if (tile == null) {
200            return false;
201        }
202        int numUserHandles = tile.userHandle.size();
203        if (numUserHandles > 1) {
204            ProfileSelectDialog.show(getFragmentManager(), tile);
205            return false;
206        } else if (numUserHandles == 1) {
207            startActivityAsUser(tile.intent, tile.userHandle.get(0));
208        } else {
209            startActivity(tile.intent);
210        }
211        return true;
212    }
213
214    protected void onTileClicked(DashboardTile tile) {
215        if (openTile(tile)) {
216            finish();
217        }
218    }
219
220    public void onProfileTileOpen() {
221        finish();
222    }
223
224    public interface CategoryListener {
225        void onCategoriesChanged();
226    }
227
228    private class CategoriesUpdater extends AsyncTask<Void, Void, List<DashboardCategory>> {
229        @Override
230        protected List<DashboardCategory> doInBackground(Void... params) {
231            return TileUtils.getCategories(SettingsDrawerActivity.this, sTileCache);
232        }
233
234        @Override
235        protected void onPostExecute(List<DashboardCategory> dashboardCategories) {
236            sDashboardCategories = dashboardCategories;
237            onCategoriesChanged();
238        }
239    }
240
241    private class PackageReceiver extends BroadcastReceiver {
242        @Override
243        public void onReceive(Context context, Intent intent) {
244            new CategoriesUpdater().execute();
245        }
246    }
247}
248