summaryrefslogtreecommitdiff
path: root/app/src/main/java/de/danoeh/antennapod/fragment/CoverFragment.java
blob: 648fc614a98b548e1a3d5acde9e28e23ce2435d0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
package de.danoeh.antennapod.fragment;

import android.content.Context;
import android.content.res.Configuration;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;

import com.bumptech.glide.Glide;
import com.bumptech.glide.load.resource.bitmap.FitCenter;
import com.bumptech.glide.load.resource.bitmap.RoundedCorners;
import com.bumptech.glide.RequestBuilder;
import com.bumptech.glide.request.RequestOptions;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.core.event.PlaybackPositionEvent;
import de.danoeh.antennapod.core.feed.util.ImageResourceUtils;
import de.danoeh.antennapod.core.glide.ApGlideSettings;
import de.danoeh.antennapod.core.util.ChapterUtils;
import de.danoeh.antennapod.core.util.EmbeddedChapterImage;
import de.danoeh.antennapod.core.util.playback.Playable;
import de.danoeh.antennapod.core.util.playback.PlaybackController;
import io.reactivex.Maybe;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.disposables.Disposable;
import io.reactivex.schedulers.Schedulers;
import org.greenrobot.eventbus.EventBus;
import org.greenrobot.eventbus.Subscribe;
import org.greenrobot.eventbus.ThreadMode;

/**
 * Displays the cover and the title of a FeedItem.
 */
public class CoverFragment extends Fragment {

    private static final String TAG = "CoverFragment";
    static final double SIXTEEN_BY_NINE = 1.7;

    private View root;
    private TextView txtvPodcastTitle;
    private TextView txtvEpisodeTitle;
    private ImageView imgvCover;
    private PlaybackController controller;
    private Disposable disposable;
    private int displayedChapterIndex = -2;
    private Playable media;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        setRetainInstance(true);
        root = inflater.inflate(R.layout.cover_fragment, container, false);
        txtvPodcastTitle = root.findViewById(R.id.txtvPodcastTitle);
        txtvEpisodeTitle = root.findViewById(R.id.txtvEpisodeTitle);
        imgvCover = root.findViewById(R.id.imgvCover);
        imgvCover.setOnClickListener(v -> onPlayPause());
        return root;
    }

    @Override
    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        configureForOrientation(getResources().getConfiguration());
    }

    private void loadMediaInfo() {
        if (disposable != null) {
            disposable.dispose();
        }
        disposable = Maybe.<Playable>create(emitter -> {
            Playable media = controller.getMedia();
            if (media != null) {
                emitter.onSuccess(media);
            } else {
                emitter.onComplete();
            }
        }).subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(media -> {
                    this.media = media;
                    displayMediaInfo(media);
                }, error -> Log.e(TAG, Log.getStackTraceString(error)));
    }

    private void displayMediaInfo(@NonNull Playable media) {
        txtvPodcastTitle.setText(media.getFeedTitle());
        txtvEpisodeTitle.setText(media.getEpisodeTitle());
        displayedChapterIndex = -2; // Force refresh
        displayCoverImage(media.getPosition());
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        // prevent memory leaks
        root = null;
    }

    @Override
    public void onStart() {
        super.onStart();
        controller = new PlaybackController(getActivity()) {
            @Override
            public boolean loadMediaInfo() {
                CoverFragment.this.loadMediaInfo();
                return true;
            }

            @Override
            public void setupGUI() {
                CoverFragment.this.loadMediaInfo();
            }
        };
        controller.init();
        loadMediaInfo();
        EventBus.getDefault().register(this);
    }

    @Override
    public void onStop() {
        super.onStop();

        if (disposable != null) {
            disposable.dispose();
        }
        controller.release();
        controller = null;
        EventBus.getDefault().unregister(this);
    }

    @Subscribe(threadMode = ThreadMode.MAIN)
    public void onEventMainThread(PlaybackPositionEvent event) {
        if (media == null) {
            return;
        }
        displayCoverImage(event.getPosition());
    }

    private void displayCoverImage(int position) {
        int chapter = ChapterUtils.getCurrentChapterIndex(media, position);
        if (chapter != displayedChapterIndex) {
            displayedChapterIndex = chapter;

            RequestBuilder<Drawable> cover = Glide.with(this)
                    .load(ImageResourceUtils.getImageLocation(media))
                    .apply(new RequestOptions()
                            .diskCacheStrategy(ApGlideSettings.AP_DISK_CACHE_STRATEGY)
                            .dontAnimate()
                            .transforms(new FitCenter(),
                                    new RoundedCorners((int) (16 * getResources().getDisplayMetrics().density))));
            if (chapter == -1 || TextUtils.isEmpty(media.getChapters().get(chapter).getImageUrl())) {
                cover.into(imgvCover);
            } else {
                Glide.with(this)
                        .load(EmbeddedChapterImage.getModelFor(media, chapter))
                        .apply(new RequestOptions()
                                .diskCacheStrategy(ApGlideSettings.AP_DISK_CACHE_STRATEGY)
                                .dontAnimate()
                                .transforms(new FitCenter(),
                                        new RoundedCorners((int) (16 * getResources().getDisplayMetrics().density))))
                        .thumbnail(cover)
                        .error(cover)
                        .into(imgvCover);
            }
        }
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);

        configureForOrientation(newConfig);
    }

    public float convertDpToPixel(float dp) {
        Context context = this.getActivity().getApplicationContext();
        return dp * ((float) context.getResources().getDisplayMetrics().densityDpi / DisplayMetrics.DENSITY_DEFAULT);
    }

    private void configureForOrientation(Configuration newConfig) {
        LinearLayout mainContainer = getView().findViewById(R.id.cover_fragment);
        LinearLayout textContainer = getView().findViewById(R.id.cover_fragment_text_container);

        LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) imgvCover.getLayoutParams();
        LinearLayout.LayoutParams textParams = (LinearLayout.LayoutParams) textContainer.getLayoutParams();
        double ratio = (float) newConfig.screenHeightDp / (float) newConfig.screenWidthDp;

        if (newConfig.orientation == Configuration.ORIENTATION_PORTRAIT) {
            double percentageWidth = 0.8;
            if (ratio <= SIXTEEN_BY_NINE) {
                percentageWidth = (ratio / SIXTEEN_BY_NINE) * percentageWidth * 0.8;
            }
            mainContainer.setOrientation(LinearLayout.VERTICAL);
            if (newConfig.screenWidthDp > 0) {
                params.width = (int) (convertDpToPixel(newConfig.screenWidthDp) * percentageWidth);
                params.height = params.width;
                textParams.weight = 0;
                imgvCover.setLayoutParams(params);
            }
        } else {
            double percentageHeight = ratio * 0.8;
            mainContainer.setOrientation(LinearLayout.HORIZONTAL);
            if (newConfig.screenHeightDp > 0) {
                params.height = (int) (convertDpToPixel(newConfig.screenHeightDp) * percentageHeight);
                params.width = params.height;
                textParams.weight = 1;
                imgvCover.setLayoutParams(params);
            }
        }
    }

    void onPlayPause() {
        if (controller == null) {
            return;
        }
        controller.playPause();
    }
}