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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  */
16 
17 package com.android.tv.onboarding;
18 
19 import android.content.Context;
20 import android.graphics.Typeface;
21 import android.media.tv.TvInputInfo;
22 import android.media.tv.TvInputManager.TvInputCallback;
23 import android.os.Bundle;
24 import android.support.annotation.NonNull;
25 import android.support.v17.leanback.widget.GuidanceStylist.Guidance;
26 import android.support.v17.leanback.widget.GuidedAction;
27 import android.support.v17.leanback.widget.GuidedActionsStylist;
28 import android.support.v17.leanback.widget.VerticalGridView;
29 import android.view.LayoutInflater;
30 import android.view.View;
31 import android.view.ViewGroup;
32 import android.widget.TextView;
33 import com.android.tv.R;
34 import com.android.tv.TvSingletons;
35 import com.android.tv.common.ui.setup.SetupGuidedStepFragment;
36 import com.android.tv.common.ui.setup.SetupMultiPaneFragment;
37 import com.android.tv.data.ChannelDataManager;
38 import com.android.tv.data.TvInputNewComparator;
39 import com.android.tv.ui.GuidedActionsStylistWithDivider;
40 import com.android.tv.util.SetupUtils;
41 import com.android.tv.util.TvInputManagerHelper;
42 import java.util.ArrayList;
43 import java.util.Collections;
44 import java.util.List;
45 
46 /** A fragment for channel source info/setup. */
47 public class SetupSourcesFragment extends SetupMultiPaneFragment {
48     /** The action category for the actions which is fired from this fragment. */
49     public static final String ACTION_CATEGORY = "com.android.tv.onboarding.SetupSourcesFragment";
50     /** An action to open the merchant collection. */
51     public static final int ACTION_ONLINE_STORE = 1;
52     /**
53      * An action to show the setup activity of TV input.
54      *
55      * <p>This action is not added to the action list. This is sent outside of the fragment. Use
56      * {@link #ACTION_PARAM_KEY_INPUT_ID} to get the input ID from the parameter.
57      */
58     public static final int ACTION_SETUP_INPUT = 2;
59 
60     /**
61      * The key for the action parameter which contains the TV input ID. It's used for the action
62      * {@link #ACTION_SETUP_INPUT}.
63      */
64     public static final String ACTION_PARAM_KEY_INPUT_ID = "input_id";
65 
66     private static final String SETUP_TRACKER_LABEL = "Setup fragment";
67 
68     @Override
onCreateView( LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)69     public View onCreateView(
70             LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
71         View view = super.onCreateView(inflater, container, savedInstanceState);
72         TvSingletons.getSingletons(getActivity()).getTracker().sendScreenView(SETUP_TRACKER_LABEL);
73         return view;
74     }
75 
76     @Override
onEnterTransitionEnd()77     protected void onEnterTransitionEnd() {
78         SetupGuidedStepFragment f = getContentFragment();
79         if (f instanceof ContentFragment) {
80             // If the enter transition is canceled quickly, the child fragment can be null because
81             // the fragment is added asynchronously.
82             ((ContentFragment) f).executePendingAction();
83         }
84     }
85 
86     @Override
onCreateContentFragment()87     protected SetupGuidedStepFragment onCreateContentFragment() {
88         SetupGuidedStepFragment f = new ContentFragment();
89         Bundle arguments = new Bundle();
90         arguments.putBoolean(SetupGuidedStepFragment.KEY_THREE_PANE, true);
91         f.setArguments(arguments);
92         return f;
93     }
94 
95     @Override
getActionCategory()96     protected String getActionCategory() {
97         return ACTION_CATEGORY;
98     }
99 
100     public static class ContentFragment extends SetupGuidedStepFragment {
101         // ACTION_ONLINE_STORE is defined in the outer class.
102         private static final int ACTION_HEADER = 3;
103         private static final int ACTION_INPUT_START = 4;
104 
105         private static final int PENDING_ACTION_NONE = 0;
106         private static final int PENDING_ACTION_INPUT_CHANGED = 1;
107         private static final int PENDING_ACTION_CHANNEL_CHANGED = 2;
108 
109         private TvInputManagerHelper mInputManager;
110         private ChannelDataManager mChannelDataManager;
111         private SetupUtils mSetupUtils;
112         private List<TvInputInfo> mInputs;
113         private int mKnownInputStartIndex;
114         private int mDoneInputStartIndex;
115 
116         private SetupSourcesFragment mParentFragment;
117 
118         private String mNewlyAddedInputId;
119 
120         private int mPendingAction = PENDING_ACTION_NONE;
121 
122         private final TvInputCallback mInputCallback =
123                 new TvInputCallback() {
124                     @Override
125                     public void onInputAdded(String inputId) {
126                         handleInputChanged();
127                     }
128 
129                     @Override
130                     public void onInputRemoved(String inputId) {
131                         handleInputChanged();
132                     }
133 
134                     @Override
135                     public void onInputUpdated(String inputId) {
136                         handleInputChanged();
137                     }
138 
139                     @Override
140                     public void onTvInputInfoUpdated(TvInputInfo inputInfo) {
141                         handleInputChanged();
142                     }
143 
144                     private void handleInputChanged() {
145                         // The actions created while enter transition is running will not be
146                         // included in the
147                         // fragment transition.
148                         if (mParentFragment.isEnterTransitionRunning()) {
149                             mPendingAction = PENDING_ACTION_INPUT_CHANGED;
150                             return;
151                         }
152                         buildInputs();
153                         updateActions();
154                     }
155                 };
156 
157         private final ChannelDataManager.Listener mChannelDataManagerListener =
158                 new ChannelDataManager.Listener() {
159                     @Override
160                     public void onLoadFinished() {
161                         handleChannelChanged();
162                     }
163 
164                     @Override
165                     public void onChannelListUpdated() {
166                         handleChannelChanged();
167                     }
168 
169                     @Override
170                     public void onChannelBrowsableChanged() {
171                         handleChannelChanged();
172                     }
173 
174                     private void handleChannelChanged() {
175                         // The actions created while enter transition is running will not be
176                         // included in the
177                         // fragment transition.
178                         if (mParentFragment.isEnterTransitionRunning()) {
179                             if (mPendingAction != PENDING_ACTION_INPUT_CHANGED) {
180                                 mPendingAction = PENDING_ACTION_CHANNEL_CHANGED;
181                             }
182                             return;
183                         }
184                         updateActions();
185                     }
186                 };
187 
188         @Override
onCreate(Bundle savedInstanceState)189         public void onCreate(Bundle savedInstanceState) {
190             Context context = getActivity();
191             TvSingletons singletons = TvSingletons.getSingletons(context);
192             mInputManager = singletons.getTvInputManagerHelper();
193             mChannelDataManager = singletons.getChannelDataManager();
194             mSetupUtils = singletons.getSetupUtils();
195             buildInputs();
196             mInputManager.addCallback(mInputCallback);
197             mChannelDataManager.addListener(mChannelDataManagerListener);
198             super.onCreate(savedInstanceState);
199             mParentFragment = (SetupSourcesFragment) getParentFragment();
200             singletons
201                     .getTunerInputController()
202                     .executeNetworkTunerDiscoveryAsyncTask(getContext());
203         }
204 
205         @Override
onDestroy()206         public void onDestroy() {
207             super.onDestroy();
208             mChannelDataManager.removeListener(mChannelDataManagerListener);
209             mInputManager.removeCallback(mInputCallback);
210         }
211 
212         @NonNull
213         @Override
onCreateGuidance(Bundle savedInstanceState)214         public Guidance onCreateGuidance(Bundle savedInstanceState) {
215             String title = getString(R.string.setup_sources_text);
216             String description = getString(R.string.setup_sources_description);
217             return new Guidance(title, description, null, null);
218         }
219 
220         @Override
onCreateActionsStylist()221         public GuidedActionsStylist onCreateActionsStylist() {
222             return new SetupSourceGuidedActionsStylist();
223         }
224 
225         @Override
onCreateActions( @onNull List<GuidedAction> actions, Bundle savedInstanceState)226         public void onCreateActions(
227                 @NonNull List<GuidedAction> actions, Bundle savedInstanceState) {
228             createActionsInternal(actions);
229         }
230 
buildInputs()231         private void buildInputs() {
232             List<TvInputInfo> oldInputs = mInputs;
233             mInputs = mInputManager.getTvInputInfos(true, true);
234             // Get newly installed input ID.
235             if (oldInputs != null) {
236                 List<TvInputInfo> newList = new ArrayList<>(mInputs);
237                 for (TvInputInfo input : oldInputs) {
238                     newList.remove(input);
239                 }
240                 if (newList.size() > 0 && mSetupUtils.isNewInput(newList.get(0).getId())) {
241                     mNewlyAddedInputId = newList.get(0).getId();
242                 } else {
243                     mNewlyAddedInputId = null;
244                 }
245             }
246             Collections.sort(mInputs, new TvInputNewComparator(mSetupUtils, mInputManager));
247             mKnownInputStartIndex = 0;
248             mDoneInputStartIndex = 0;
249             for (TvInputInfo input : mInputs) {
250                 if (mSetupUtils.isNewInput(input.getId())) {
251                     mSetupUtils.markAsKnownInput(input.getId());
252                     ++mKnownInputStartIndex;
253                 }
254                 if (!mSetupUtils.isSetupDone(input.getId())) {
255                     ++mDoneInputStartIndex;
256                 }
257             }
258         }
259 
updateActions()260         private void updateActions() {
261             List<GuidedAction> actions = new ArrayList<>();
262             createActionsInternal(actions);
263             setActions(actions);
264         }
265 
createActionsInternal(List<GuidedAction> actions)266         private void createActionsInternal(List<GuidedAction> actions) {
267             int newPosition = -1;
268             int position = 0;
269             if (mDoneInputStartIndex > 0) {
270                 // Need a "New" category
271                 actions.add(
272                         new GuidedAction.Builder(getActivity())
273                                 .id(ACTION_HEADER)
274                                 .title(null)
275                                 .description(getString(R.string.setup_category_new))
276                                 .focusable(false)
277                                 .infoOnly(true)
278                                 .build());
279             }
280             for (int i = 0; i < mInputs.size(); ++i) {
281                 if (i == mDoneInputStartIndex) {
282                     ++position;
283                     actions.add(
284                             new GuidedAction.Builder(getActivity())
285                                     .id(ACTION_HEADER)
286                                     .title(null)
287                                     .description(getString(R.string.setup_category_done))
288                                     .focusable(false)
289                                     .infoOnly(true)
290                                     .build());
291                 }
292                 TvInputInfo input = mInputs.get(i);
293                 String inputId = input.getId();
294                 String description;
295                 int channelCount = mChannelDataManager.getChannelCountForInput(inputId);
296                 if (mSetupUtils.isSetupDone(inputId) || channelCount > 0) {
297                     if (channelCount == 0) {
298                         description = getString(R.string.setup_input_no_channels);
299                     } else {
300                         description =
301                                 getResources()
302                                         .getQuantityString(
303                                                 R.plurals.setup_input_channels,
304                                                 channelCount,
305                                                 channelCount);
306                     }
307                 } else if (i >= mKnownInputStartIndex) {
308                     description = getString(R.string.setup_input_setup_now);
309                 } else {
310                     description = getString(R.string.setup_input_new);
311                 }
312                 ++position;
313                 if (input.getId().equals(mNewlyAddedInputId)) {
314                     newPosition = position;
315                 }
316                 actions.add(
317                         new GuidedAction.Builder(getActivity())
318                                 .id(ACTION_INPUT_START + i)
319                                 .title(input.loadLabel(getActivity()).toString())
320                                 .description(description)
321                                 .build());
322             }
323             if (mInputs.size() > 0) {
324                 // Divider
325                 ++position;
326                 actions.add(GuidedActionsStylistWithDivider.createDividerAction(getContext()));
327             }
328             // online store action
329             ++position;
330             actions.add(
331                     new GuidedAction.Builder(getActivity())
332                             .id(ACTION_ONLINE_STORE)
333                             .title(getString(R.string.setup_store_action_title))
334                             .description(getString(R.string.setup_store_action_description))
335                             .icon(R.drawable.ic_store)
336                             .build());
337 
338             if (newPosition != -1) {
339                 VerticalGridView gridView = getGuidedActionsStylist().getActionsGridView();
340                 gridView.setSelectedPosition(newPosition);
341             }
342         }
343 
344         @Override
getActionCategory()345         protected String getActionCategory() {
346             return ACTION_CATEGORY;
347         }
348 
349         @Override
onGuidedActionClicked(GuidedAction action)350         public void onGuidedActionClicked(GuidedAction action) {
351             if (action.getId() == ACTION_ONLINE_STORE) {
352                 mParentFragment.onActionClick(ACTION_CATEGORY, (int) action.getId());
353                 return;
354             }
355             int index = (int) action.getId() - ACTION_INPUT_START;
356             if (index >= 0) {
357                 TvInputInfo input = mInputs.get(index);
358                 Bundle params = new Bundle();
359                 params.putString(ACTION_PARAM_KEY_INPUT_ID, input.getId());
360                 mParentFragment.onActionClick(ACTION_CATEGORY, ACTION_SETUP_INPUT, params);
361             }
362         }
363 
executePendingAction()364         void executePendingAction() {
365             switch (mPendingAction) {
366                 case PENDING_ACTION_INPUT_CHANGED:
367                     buildInputs();
368                     // Fall through
369                 case PENDING_ACTION_CHANNEL_CHANGED:
370                     updateActions();
371                     break;
372                 default: // fall out
373             }
374             mPendingAction = PENDING_ACTION_NONE;
375         }
376 
377         private class SetupSourceGuidedActionsStylist extends GuidedActionsStylistWithDivider {
378             private static final float ALPHA_CATEGORY = 1.0f;
379             private static final float ALPHA_INPUT_DESCRIPTION = 0.5f;
380 
381             @Override
onBindViewHolder(ViewHolder vh, GuidedAction action)382             public void onBindViewHolder(ViewHolder vh, GuidedAction action) {
383                 super.onBindViewHolder(vh, action);
384                 TextView descriptionView = vh.getDescriptionView();
385                 if (descriptionView != null) {
386                     if (action.getId() == ACTION_HEADER) {
387                         descriptionView.setAlpha(ALPHA_CATEGORY);
388                         descriptionView.setTextColor(
389                                 getResources().getColor(R.color.setup_category, null));
390                         descriptionView.setTypeface(
391                                 Typeface.create(getString(R.string.condensed_font), 0));
392                     } else {
393                         descriptionView.setAlpha(ALPHA_INPUT_DESCRIPTION);
394                         descriptionView.setTextColor(
395                                 getResources()
396                                         .getColor(R.color.common_setup_input_description, null));
397                         descriptionView.setTypeface(Typeface.create(getString(R.string.font), 0));
398                     }
399                 }
400                 setAccessibilityDelegate(vh, action);
401             }
402         }
403     }
404 }
405