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1 /*
2  * Copyright (C) 2017 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  */
16 
17 package com.android.settings.slices;
18 
19 import static android.provider.Settings.EXTRA_SETTINGS_EMBEDDED_DEEP_LINK_HIGHLIGHT_MENU_KEY;
20 
21 import static com.android.settings.SettingsActivity.EXTRA_IS_FROM_SLICE;
22 import static com.android.settings.core.BasePreferenceController.DISABLED_DEPENDENT_SETTING;
23 import static com.android.settings.slices.SettingsSliceProvider.EXTRA_SLICE_KEY;
24 
25 import android.annotation.ColorInt;
26 import android.app.PendingIntent;
27 import android.app.settings.SettingsEnums;
28 import android.content.Context;
29 import android.content.Intent;
30 import android.net.Uri;
31 import android.os.Bundle;
32 import android.provider.SettingsSlicesContract;
33 import android.text.TextUtils;
34 import android.util.ArraySet;
35 import android.util.Log;
36 import android.util.Pair;
37 
38 import androidx.annotation.VisibleForTesting;
39 import androidx.core.graphics.drawable.IconCompat;
40 import androidx.slice.Slice;
41 import androidx.slice.builders.ListBuilder;
42 import androidx.slice.builders.ListBuilder.InputRangeBuilder;
43 import androidx.slice.builders.ListBuilder.RowBuilder;
44 import androidx.slice.builders.SliceAction;
45 
46 import com.android.settings.R;
47 import com.android.settings.SettingsActivity;
48 import com.android.settings.SubSettings;
49 import com.android.settings.Utils;
50 import com.android.settings.core.BasePreferenceController;
51 import com.android.settings.core.SliderPreferenceController;
52 import com.android.settings.core.SubSettingLauncher;
53 import com.android.settings.core.TogglePreferenceController;
54 import com.android.settings.overlay.FeatureFactory;
55 import com.android.settingslib.core.AbstractPreferenceController;
56 
57 import java.util.Arrays;
58 import java.util.List;
59 import java.util.Set;
60 import java.util.stream.Collectors;
61 
62 
63 /**
64  * Utility class to build Slices objects and Preference Controllers based on the Database managed
65  * by {@link SlicesDatabaseHelper}
66  */
67 public class SliceBuilderUtils {
68 
69     private static final String TAG = "SliceBuilder";
70 
71     /**
72      * Build a Slice from {@link SliceData}.
73      *
74      * @return a {@link Slice} based on the data provided by {@param sliceData}.
75      * Will build an {@link Intent} based Slice unless the Preference Controller name in
76      * {@param sliceData} is an inline controller.
77      */
buildSlice(Context context, SliceData sliceData)78     public static Slice buildSlice(Context context, SliceData sliceData) {
79         Log.d(TAG, "Creating slice for: " + sliceData.getPreferenceController());
80         final BasePreferenceController controller = getPreferenceController(context, sliceData);
81         FeatureFactory.getFactory(context).getMetricsFeatureProvider()
82                 .action(SettingsEnums.PAGE_UNKNOWN,
83                         SettingsEnums.ACTION_SETTINGS_SLICE_REQUESTED,
84                         SettingsEnums.PAGE_UNKNOWN,
85                         sliceData.getKey(),
86                         0);
87 
88         if (!controller.isAvailable()) {
89             // Cannot guarantee setting page is accessible, let the presenter handle error case.
90             return null;
91         }
92 
93         if (controller.getAvailabilityStatus() == DISABLED_DEPENDENT_SETTING) {
94             return buildUnavailableSlice(context, sliceData);
95         }
96 
97         switch (sliceData.getSliceType()) {
98             case SliceData.SliceType.INTENT:
99                 return buildIntentSlice(context, sliceData, controller);
100             case SliceData.SliceType.SWITCH:
101                 return buildToggleSlice(context, sliceData, controller);
102             case SliceData.SliceType.SLIDER:
103                 return buildSliderSlice(context, sliceData, controller);
104             default:
105                 throw new IllegalArgumentException(
106                         "Slice type passed was invalid: " + sliceData.getSliceType());
107         }
108     }
109 
110     /**
111      * Splits the Settings Slice Uri path into its two expected components:
112      * - intent/action
113      * - key
114      * <p>
115      * Examples of valid paths are:
116      * - /intent/wifi
117      * - /intent/bluetooth
118      * - /action/wifi
119      * - /action/accessibility/servicename
120      *
121      * @param uri of the Slice. Follows pattern outlined in {@link SettingsSliceProvider}.
122      * @return Pair whose first element {@code true} if the path is prepended with "intent", and
123      * second is a key.
124      */
getPathData(Uri uri)125     public static Pair<Boolean, String> getPathData(Uri uri) {
126         final String path = uri.getPath();
127         final String[] split = path.split("/", 3);
128 
129         // Split should be: [{}, SLICE_TYPE, KEY].
130         // Example: "/action/wifi" -> [{}, "action", "wifi"]
131         //          "/action/longer/path" -> [{}, "action", "longer/path"]
132         if (split.length != 3) {
133             return null;
134         }
135 
136         final boolean isIntent = TextUtils.equals(SettingsSlicesContract.PATH_SETTING_INTENT,
137                 split[1]);
138 
139         return new Pair<>(isIntent, split[2]);
140     }
141 
142     /**
143      * Looks at the controller classname in in {@link SliceData} from {@param sliceData}
144      * and attempts to build an {@link AbstractPreferenceController}.
145      */
getPreferenceController(Context context, SliceData sliceData)146     public static BasePreferenceController getPreferenceController(Context context,
147             SliceData sliceData) {
148         return getPreferenceController(context, sliceData.getPreferenceController(),
149                 sliceData.getKey());
150     }
151 
152     /**
153      * @return {@link PendingIntent} for a non-primary {@link SliceAction}.
154      */
getActionIntent(Context context, String action, SliceData data)155     public static PendingIntent getActionIntent(Context context, String action, SliceData data) {
156         final Intent intent = new Intent(action)
157                 .setData(data.getUri())
158                 .setClass(context, SliceBroadcastReceiver.class)
159                 .putExtra(EXTRA_SLICE_KEY, data.getKey());
160         return PendingIntent.getBroadcast(context, 0 /* requestCode */, intent,
161                 PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_MUTABLE);
162     }
163 
164     /**
165      * @return {@link PendingIntent} for the primary {@link SliceAction}.
166      */
getContentPendingIntent(Context context, SliceData sliceData)167     public static PendingIntent getContentPendingIntent(Context context, SliceData sliceData) {
168         final Intent intent = getContentIntent(context, sliceData);
169         return PendingIntent.getActivity(context, 0 /* requestCode */, intent,
170                 PendingIntent.FLAG_IMMUTABLE);
171     }
172 
173     /**
174      * @return the summary text for a {@link Slice} built for {@param sliceData}.
175      */
getSubtitleText(Context context, BasePreferenceController controller, SliceData sliceData)176     public static CharSequence getSubtitleText(Context context,
177             BasePreferenceController controller, SliceData sliceData) {
178 
179         // Priority 1 : User prefers showing the dynamic summary in slice view rather than static
180         // summary. Note it doesn't require a valid summary - so we can force some slices to have
181         // empty summaries (ex: volume).
182         if (controller.useDynamicSliceSummary()) {
183             return controller.getSummary();
184         }
185 
186         // Priority 2: Show summary from slice data.
187         CharSequence summaryText = sliceData.getSummary();
188         if (isValidSummary(context, summaryText)) {
189             return summaryText;
190         }
191 
192         // Priority 3: Show screen title.
193         summaryText = sliceData.getScreenTitle();
194         if (isValidSummary(context, summaryText) && !TextUtils.equals(summaryText,
195                 sliceData.getTitle())) {
196             return summaryText;
197         }
198 
199         // Priority 4: Show empty text.
200         return "";
201     }
202 
buildSearchResultPageIntent(Context context, String className, String key, String screenTitle, int sourceMetricsCategory, int highlightMenuRes)203     public static Intent buildSearchResultPageIntent(Context context, String className, String key,
204             String screenTitle, int sourceMetricsCategory, int highlightMenuRes) {
205         final Bundle args = new Bundle();
206         String highlightMenuKey = null;
207         if (highlightMenuRes != 0) {
208             highlightMenuKey = context.getString(highlightMenuRes);
209             if (TextUtils.isEmpty(highlightMenuKey)) {
210                 Log.w(TAG, "Invalid menu key res from: " + screenTitle);
211             }
212         }
213         args.putString(SettingsActivity.EXTRA_FRAGMENT_ARG_KEY, key);
214         final Intent searchDestination = new SubSettingLauncher(context)
215                 .setDestination(className)
216                 .setArguments(args)
217                 .setTitleText(screenTitle)
218                 .setSourceMetricsCategory(sourceMetricsCategory)
219                 .toIntent();
220         searchDestination
221                 .putExtra(SettingsActivity.EXTRA_FRAGMENT_ARG_KEY, key)
222                 .putExtra(EXTRA_IS_FROM_SLICE, true)
223                 .putExtra(EXTRA_SETTINGS_EMBEDDED_DEEP_LINK_HIGHLIGHT_MENU_KEY, highlightMenuKey)
224                 .setAction("com.android.settings.SEARCH_RESULT_TRAMPOLINE")
225                 .setComponent(null);
226         searchDestination.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK);
227 
228         return searchDestination;
229     }
230 
231     /**
232      * Build a search result page intent for {@link CustomSliceable}
233      */
buildSearchResultPageIntent(Context context, String className, String key, String screenTitle, int sourceMetricsCategory, CustomSliceable sliceable)234     public static Intent buildSearchResultPageIntent(Context context, String className, String key,
235             String screenTitle, int sourceMetricsCategory, CustomSliceable sliceable) {
236         return buildSearchResultPageIntent(context, className, key, screenTitle,
237                 sourceMetricsCategory, sliceable.getSliceHighlightMenuRes());
238     }
239 
getContentIntent(Context context, SliceData sliceData)240     public static Intent getContentIntent(Context context, SliceData sliceData) {
241         final Uri contentUri = new Uri.Builder().appendPath(sliceData.getKey()).build();
242         final String screenTitle = TextUtils.isEmpty(sliceData.getScreenTitle()) ? null
243                 : sliceData.getScreenTitle().toString();
244         final Intent intent = buildSearchResultPageIntent(context,
245                 sliceData.getFragmentClassName(), sliceData.getKey(),
246                 screenTitle, 0 /* TODO */, sliceData.getHighlightMenuRes());
247         intent.setClassName(context.getPackageName(), SubSettings.class.getName());
248         intent.setData(contentUri);
249         return intent;
250     }
251 
buildToggleSlice(Context context, SliceData sliceData, BasePreferenceController controller)252     private static Slice buildToggleSlice(Context context, SliceData sliceData,
253             BasePreferenceController controller) {
254         final PendingIntent contentIntent = getContentPendingIntent(context, sliceData);
255         final IconCompat icon = getSafeIcon(context, sliceData);
256         final CharSequence subtitleText = getSubtitleText(context, controller, sliceData);
257         @ColorInt final int color = Utils.getColorAccentDefaultColor(context);
258         final TogglePreferenceController toggleController =
259                 (TogglePreferenceController) controller;
260         final SliceAction sliceAction = getToggleAction(context, sliceData,
261                 toggleController.isChecked());
262         final Set<String> keywords = buildSliceKeywords(sliceData);
263         final RowBuilder rowBuilder = new RowBuilder()
264                 .setTitle(sliceData.getTitle())
265                 .setPrimaryAction(
266                         SliceAction.createDeeplink(contentIntent, icon,
267                                 ListBuilder.ICON_IMAGE, sliceData.getTitle()))
268                 .addEndItem(sliceAction);
269         if (!Utils.isSettingsIntelligence(context)) {
270             rowBuilder.setSubtitle(subtitleText);
271         }
272 
273         return new ListBuilder(context, sliceData.getUri(), ListBuilder.INFINITY)
274                 .setAccentColor(color)
275                 .addRow(rowBuilder)
276                 .setKeywords(keywords)
277                 .build();
278     }
279 
buildIntentSlice(Context context, SliceData sliceData, BasePreferenceController controller)280     private static Slice buildIntentSlice(Context context, SliceData sliceData,
281             BasePreferenceController controller) {
282         final PendingIntent contentIntent = getContentPendingIntent(context, sliceData);
283         final IconCompat icon = getSafeIcon(context, sliceData);
284         final CharSequence subtitleText = getSubtitleText(context, controller, sliceData);
285         @ColorInt final int color = Utils.getColorAccentDefaultColor(context);
286         final Set<String> keywords = buildSliceKeywords(sliceData);
287         final RowBuilder rowBuilder = new RowBuilder()
288                 .setTitle(sliceData.getTitle())
289                 .setPrimaryAction(
290                         SliceAction.createDeeplink(contentIntent, icon,
291                                 ListBuilder.ICON_IMAGE,
292                                 sliceData.getTitle()));
293         if (!Utils.isSettingsIntelligence(context)) {
294             rowBuilder.setSubtitle(subtitleText);
295         }
296 
297         return new ListBuilder(context, sliceData.getUri(), ListBuilder.INFINITY)
298                 .setAccentColor(color)
299                 .addRow(rowBuilder)
300                 .setKeywords(keywords)
301                 .build();
302     }
303 
buildSliderSlice(Context context, SliceData sliceData, BasePreferenceController controller)304     private static Slice buildSliderSlice(Context context, SliceData sliceData,
305             BasePreferenceController controller) {
306         final SliderPreferenceController sliderController = (SliderPreferenceController) controller;
307         if (sliderController.getMax() <= sliderController.getMin()) {
308             Log.e(TAG, "Invalid sliderController: " + sliderController.getPreferenceKey());
309             return null;
310         }
311         final PendingIntent actionIntent = getSliderAction(context, sliceData);
312         final PendingIntent contentIntent = getContentPendingIntent(context, sliceData);
313         final IconCompat icon = getSafeIcon(context, sliceData);
314         @ColorInt int color = Utils.getColorAccentDefaultColor(context);
315         final CharSequence subtitleText = getSubtitleText(context, controller, sliceData);
316         final SliceAction primaryAction = SliceAction.createDeeplink(contentIntent, icon,
317                 ListBuilder.ICON_IMAGE, sliceData.getTitle());
318         final Set<String> keywords = buildSliceKeywords(sliceData);
319 
320         int cur = sliderController.getSliderPosition();
321         if (cur < sliderController.getMin()) {
322             cur = sliderController.getMin();
323         }
324         if (cur > sliderController.getMax()) {
325             cur = sliderController.getMax();
326         }
327         final InputRangeBuilder inputRangeBuilder = new InputRangeBuilder()
328                 .setTitle(sliceData.getTitle())
329                 .setPrimaryAction(primaryAction)
330                 .setMax(sliderController.getMax())
331                 .setMin(sliderController.getMin())
332                 .setValue(cur)
333                 .setInputAction(actionIntent);
334         if (sliceData.getIconResource() != 0) {
335             inputRangeBuilder.setTitleItem(icon, ListBuilder.ICON_IMAGE);
336             color = CustomSliceable.COLOR_NOT_TINTED;
337         }
338         if (!Utils.isSettingsIntelligence(context)) {
339             inputRangeBuilder.setSubtitle(subtitleText);
340         }
341 
342         SliceAction endItemAction = sliderController.getSliceEndItem(context);
343         if (endItemAction != null) {
344             inputRangeBuilder.addEndItem(endItemAction);
345         }
346 
347         return new ListBuilder(context, sliceData.getUri(), ListBuilder.INFINITY)
348                 .setAccentColor(color)
349                 .addInputRange(inputRangeBuilder)
350                 .setKeywords(keywords)
351                 .build();
352     }
353 
getPreferenceController(Context context, String controllerClassName, String controllerKey)354     static BasePreferenceController getPreferenceController(Context context,
355             String controllerClassName, String controllerKey) {
356         try {
357             return BasePreferenceController.createInstance(context, controllerClassName);
358         } catch (IllegalStateException e) {
359             // Do nothing
360         }
361 
362         return BasePreferenceController.createInstance(context, controllerClassName, controllerKey);
363     }
364 
getToggleAction(Context context, SliceData sliceData, boolean isChecked)365     private static SliceAction getToggleAction(Context context, SliceData sliceData,
366             boolean isChecked) {
367         PendingIntent actionIntent = getActionIntent(context,
368                 SettingsSliceProvider.ACTION_TOGGLE_CHANGED, sliceData);
369         return SliceAction.createToggle(actionIntent, null, isChecked);
370     }
371 
getSliderAction(Context context, SliceData sliceData)372     private static PendingIntent getSliderAction(Context context, SliceData sliceData) {
373         return getActionIntent(context, SettingsSliceProvider.ACTION_SLIDER_CHANGED, sliceData);
374     }
375 
isValidSummary(Context context, CharSequence summary)376     private static boolean isValidSummary(Context context, CharSequence summary) {
377         if (summary == null || TextUtils.isEmpty(summary.toString().trim())) {
378             return false;
379         }
380 
381         final CharSequence placeHolder = context.getText(R.string.summary_placeholder);
382         final CharSequence doublePlaceHolder =
383                 context.getText(R.string.summary_two_lines_placeholder);
384 
385         return !(TextUtils.equals(summary, placeHolder)
386                 || TextUtils.equals(summary, doublePlaceHolder));
387     }
388 
buildSliceKeywords(SliceData data)389     private static Set<String> buildSliceKeywords(SliceData data) {
390         final Set<String> keywords = new ArraySet<>();
391 
392         keywords.add(data.getTitle());
393 
394         if (!TextUtils.isEmpty(data.getScreenTitle())
395                 && !TextUtils.equals(data.getTitle(), data.getScreenTitle())) {
396             keywords.add(data.getScreenTitle().toString());
397         }
398 
399         final String keywordString = data.getKeywords();
400         if (keywordString != null) {
401             final String[] keywordArray = keywordString.split(",");
402             final List<String> strippedKeywords = Arrays.stream(keywordArray)
403                     .map(s -> s = s.trim())
404                     .collect(Collectors.toList());
405             keywords.addAll(strippedKeywords);
406         }
407 
408         return keywords;
409     }
410 
buildUnavailableSlice(Context context, SliceData data)411     private static Slice buildUnavailableSlice(Context context, SliceData data) {
412         final String title = data.getTitle();
413         final Set<String> keywords = buildSliceKeywords(data);
414         @ColorInt final int color = Utils.getColorAccentDefaultColor(context);
415 
416         final String customSubtitle = data.getUnavailableSliceSubtitle();
417         final CharSequence subtitle = !TextUtils.isEmpty(customSubtitle) ? customSubtitle
418                 : context.getText(R.string.disabled_dependent_setting_summary);
419         final IconCompat icon = getSafeIcon(context, data);
420         final SliceAction primaryAction = SliceAction.createDeeplink(
421                 getContentPendingIntent(context, data),
422                 icon, ListBuilder.ICON_IMAGE, title);
423         final RowBuilder rowBuilder = new RowBuilder()
424                 .setTitle(title)
425                 .setTitleItem(icon, ListBuilder.ICON_IMAGE)
426                 .setPrimaryAction(primaryAction);
427         if (!Utils.isSettingsIntelligence(context)) {
428             rowBuilder.setSubtitle(subtitle);
429         }
430 
431         return new ListBuilder(context, data.getUri(), ListBuilder.INFINITY)
432                 .setAccentColor(color)
433                 .addRow(rowBuilder)
434                 .setKeywords(keywords)
435                 .build();
436     }
437 
438     @VisibleForTesting
getSafeIcon(Context context, SliceData data)439     static IconCompat getSafeIcon(Context context, SliceData data) {
440         int iconResource = data.getIconResource();
441 
442         if (iconResource == 0) {
443             iconResource = R.drawable.ic_settings_accent;
444         }
445         try {
446             return IconCompat.createWithResource(context, iconResource);
447         } catch (Exception e) {
448             Log.w(TAG, "Falling back to settings icon because there is an error getting slice icon "
449                     + data.getUri(), e);
450             return IconCompat.createWithResource(context, R.drawable.ic_settings_accent);
451         }
452     }
453 }
454