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-Added accessibility caption style and text color resolver.

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-Added button to open captioning settings activity from appearance settings.
-Modified player captions to use custom caption style when captioning manager is enabled.
-Removed caption size settings from appearance settings.
This commit is contained in:
John Zhen Mo 2018-04-08 13:58:18 -07:00
parent c3c22f3a4a
commit a8a94602c2
8 changed files with 86 additions and 53 deletions
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16
app/src/main/java/org/schabi/newpipe/player/MainVideoPlayer.java
View file

@ -50,6 +50,7 @@ import android.widget.TextView;
import android.widget.Toast;
import com.google.android.exoplayer2.Player;
import com.google.android.exoplayer2.text.CaptionStyleCompat;
import com.google.android.exoplayer2.ui.AspectRatioFrameLayout;
import com.google.android.exoplayer2.ui.SubtitleView;
@ -428,20 +429,15 @@ public final class MainVideoPlayer extends AppCompatActivity
@Override
protected void setupSubtitleView(@NonNull SubtitleView view,
@NonNull String captionSizeKey) {
final float captionRatioInverse;
if (captionSizeKey.equals(getString(R.string.smaller_caption_size_key))) {
captionRatioInverse = 22f;
} else if (captionSizeKey.equals(getString(R.string.larger_caption_size_key))) {
captionRatioInverse = 18f;
} else {
captionRatioInverse = 20f;
}
final float captionScale,
@NonNull final CaptionStyleCompat captionStyle) {
final DisplayMetrics metrics = context.getResources().getDisplayMetrics();
final int minimumLength = Math.min(metrics.heightPixels, metrics.widthPixels);
final float captionRatioInverse = 20f + 4f * (1f - captionScale);
view.setFixedTextSize(TypedValue.COMPLEX_UNIT_PX,
(float) minimumLength / captionRatioInverse);
view.setApplyEmbeddedStyles(captionStyle.equals(CaptionStyleCompat.DEFAULT));
view.setStyle(captionStyle);
}
@Override

15
app/src/main/java/org/schabi/newpipe/player/PopupVideoPlayer.java
View file

@ -52,6 +52,7 @@ import android.widget.TextView;
import com.google.android.exoplayer2.C;
import com.google.android.exoplayer2.PlaybackParameters;
import com.google.android.exoplayer2.Player;
import com.google.android.exoplayer2.text.CaptionStyleCompat;
import com.google.android.exoplayer2.ui.AspectRatioFrameLayout;
import com.google.android.exoplayer2.ui.SubtitleView;
@ -397,14 +398,12 @@ public final class PopupVideoPlayer extends Service {
@Override
protected void setupSubtitleView(@NonNull SubtitleView view,
@NonNull String captionSizeKey) {
float captionRatio = SubtitleView.DEFAULT_TEXT_SIZE_FRACTION;
if (captionSizeKey.equals(getString(R.string.smaller_caption_size_key))) {
captionRatio *= 0.9;
} else if (captionSizeKey.equals(getString(R.string.larger_caption_size_key))) {
captionRatio *= 1.1;
}
view.setFractionalTextSize(captionRatio);
final float captionScale,
@NonNull final CaptionStyleCompat captionStyle) {
float captionRatio = (captionScale - 1f) / 5f + 1f;
view.setFractionalTextSize(SubtitleView.DEFAULT_TEXT_SIZE_FRACTION * captionRatio);
view.setApplyEmbeddedStyles(captionStyle.equals(CaptionStyleCompat.DEFAULT));
view.setStyle(captionStyle);
}
@Override

13
app/src/main/java/org/schabi/newpipe/player/VideoPlayer.java
View file

@ -32,7 +32,6 @@ import android.graphics.PorterDuff;
import android.net.Uri;
import android.os.Build;
import android.os.Handler;
import android.preference.PreferenceManager;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.content.ContextCompat;
@ -55,6 +54,7 @@ import com.google.android.exoplayer2.source.MediaSource;
import com.google.android.exoplayer2.source.MergingMediaSource;
import com.google.android.exoplayer2.source.TrackGroup;
import com.google.android.exoplayer2.source.TrackGroupArray;
import com.google.android.exoplayer2.text.CaptionStyleCompat;
import com.google.android.exoplayer2.trackselection.TrackSelectionArray;
import com.google.android.exoplayer2.ui.AspectRatioFrameLayout;
import com.google.android.exoplayer2.ui.SubtitleView;
@ -189,10 +189,10 @@ public abstract class VideoPlayer extends BasePlayer
this.qualityTextView = rootView.findViewById(R.id.qualityTextView);
this.subtitleView = rootView.findViewById(R.id.subtitleView);
final String captionSizeKey = PreferenceManager.getDefaultSharedPreferences(context)
.getString(context.getString(R.string.caption_size_key),
context.getString(R.string.caption_size_default));
setupSubtitleView(subtitleView, captionSizeKey);
final float captionScale = PlayerHelper.getCaptionScale(context);
final CaptionStyleCompat captionStyle = PlayerHelper.getCaptionStyle(context);
setupSubtitleView(subtitleView, captionScale, captionStyle);
this.resizeView = rootView.findViewById(R.id.resizeTextView);
resizeView.setText(PlayerHelper.resizeTypeOf(context, aspectRatioFrameLayout.getResizeMode()));
@ -214,7 +214,8 @@ public abstract class VideoPlayer extends BasePlayer
}
protected abstract void setupSubtitleView(@NonNull SubtitleView view,
@NonNull String captionSizeKey);
final float captionScale,
@NonNull final CaptionStyleCompat captionStyle);
@Override
public void initListeners() {

32
app/src/main/java/org/schabi/newpipe/player/helper/PlayerHelper.java
View file

@ -2,11 +2,14 @@ package org.schabi.newpipe.player.helper;
import android.content.Context;
import android.content.SharedPreferences;
import android.os.Build;
import android.preference.PreferenceManager;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.view.accessibility.CaptioningManager;
import com.google.android.exoplayer2.SeekParameters;
import com.google.android.exoplayer2.text.CaptionStyleCompat;
import com.google.android.exoplayer2.ui.AspectRatioFrameLayout;
import com.google.android.exoplayer2.util.MimeTypes;
@ -215,6 +218,35 @@ public class PlayerHelper {
return 2500;
}
@NonNull
public static CaptionStyleCompat getCaptionStyle(@NonNull final Context context) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) return CaptionStyleCompat.DEFAULT;
final CaptioningManager captioningManager = (CaptioningManager)
context.getSystemService(Context.CAPTIONING_SERVICE);
if (captioningManager == null || !captioningManager.isEnabled()) {
return CaptionStyleCompat.DEFAULT;
}
return CaptionStyleCompat.createFromCaptionStyle(captioningManager.getUserStyle());
}
/**
* System font scaling:
* Very small - 0.25f, Small - 0.5f, Normal - 1.0f, Large - 1.5f, Very Large - 2.0f
* */
@NonNull
public static float getCaptionScale(@NonNull final Context context) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) return 1f;
final CaptioningManager captioningManager = (CaptioningManager)
context.getSystemService(Context.CAPTIONING_SERVICE);
if (captioningManager == null || !captioningManager.isEnabled()) {
return 1f;
}
return captioningManager.getFontScale();
}
////////////////////////////////////////////////////////////////////////////
// Private helpers
////////////////////////////////////////////////////////////////////////////