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Add support for margins in Webtoon view

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On larger tablets, matching the page width to the screen width in
webtoon mode causes eye strain due to the image looking so magnified.
Adding a page margin to the image can resolve this by effectively
scaling the image down.
This commit is contained in:
John Leehey 2019-11-30 18:37:52 -08:00
parent 80ea9001b3
commit 5b9f362925
12 changed files with 110 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferenceKeys.kt
View file

@ -51,6 +51,8 @@ object PreferenceKeys {
const val readWithVolumeKeysInverted = "reader_volume_keys_inverted"
const val webtoonMarginRatio = "margin_ratio"
const val portraitColumns = "pref_library_columns_portrait_key"
const val landscapeColumns = "pref_library_columns_landscape_key"

2
app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferencesHelper.kt
View file

@ -79,6 +79,8 @@ class PreferencesHelper(val context: Context) {
fun readWithVolumeKeysInverted() = rxPrefs.getBoolean(Keys.readWithVolumeKeysInverted, false)
fun marginRatio() = rxPrefs.getInteger(Keys.webtoonMarginRatio, 0)
fun portraitColumns() = rxPrefs.getInteger(Keys.portraitColumns, 0)
fun landscapeColumns() = rxPrefs.getInteger(Keys.landscapeColumns, 0)

1
app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderSettingsSheet.kt
View file

@ -82,6 +82,7 @@ class ReaderSettingsSheet(private val activity: ReaderActivity) : BottomSheetDia
private fun initWebtoonPreferences() {
webtoon_prefs_group.visible()
crop_borders_webtoon.bindToPreference(preferences.cropBordersWebtoon())
margin_ratio_webtoon.bindToPreference(preferences.marginRatio())
}
/**

20
app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonConfig.kt
View file

@ -34,6 +34,9 @@ class WebtoonConfig(preferences: PreferencesHelper = Injekt.get()) {
var doubleTapAnimDuration = 500
private set
var marginRatio = 0f
private set
init {
preferences.readWithTapping()
.register({ tappingEnabled = it })
@ -52,6 +55,23 @@ class WebtoonConfig(preferences: PreferencesHelper = Injekt.get()) {
preferences.readWithVolumeKeysInverted()
.register({ volumeKeysInverted = it })
preferences.marginRatio()
.register({ marginFromPreference(it) }, { imagePropertyChangedListener?.invoke() })
}
private fun marginFromPreference(position: Int) {
marginRatio = when (position) {
1 -> PageMargin.TEN_PERCENT
2 -> PageMargin.TWENTY_FIVE_PERCENT
else -> PageMargin.NO_MARGIN
}
}
object PageMargin {
const val NO_MARGIN = 0f
const val TEN_PERCENT = 0.1f
const val TWENTY_FIVE_PERCENT = 0.25f
}
fun unsubscribe() {

13
app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonPageHolder.kt
View file

@ -2,11 +2,13 @@ package eu.kanade.tachiyomi.ui.reader.viewer.webtoon
import android.annotation.SuppressLint
import android.content.Intent
import android.content.res.Resources
import android.graphics.drawable.Drawable
import android.net.Uri
import android.support.v7.widget.AppCompatButton
import android.support.v7.widget.AppCompatImageView
import android.view.Gravity
import android.view.View
import android.view.ViewGroup
import android.view.ViewGroup.LayoutParams.MATCH_PARENT
import android.view.ViewGroup.LayoutParams.WRAP_CONTENT
@ -111,7 +113,7 @@ class WebtoonPageHolder(
private var readImageHeaderSubscription: Subscription? = null
init {
frame.layoutParams = FrameLayout.LayoutParams(MATCH_PARENT, WRAP_CONTENT)
refreshLayoutParams()
}
/**
@ -120,6 +122,15 @@ class WebtoonPageHolder(
fun bind(page: ReaderPage) {
this.page = page
observeStatus()
refreshLayoutParams()
}
private fun refreshLayoutParams() {
frame.layoutParams = FrameLayout.LayoutParams(MATCH_PARENT, WRAP_CONTENT).apply {
val margin = Resources.getSystem().displayMetrics.widthPixels * viewer.config.marginRatio
marginEnd = margin.toInt()
marginStart = margin.toInt()
}
}
/**

2
app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonViewer.kt
View file

@ -110,6 +110,8 @@ class WebtoonViewer(val activity: ReaderActivity) : BaseViewer {
frame.layoutParams = ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT)
frame.addView(recycler)
config.imagePropertyChangedListener = { adapter.notifyDataSetChanged() }
}
/**

5
app/src/main/java/eu/kanade/tachiyomi/ui/setting/PreferenceDSL.kt
View file

@ -3,6 +3,7 @@ package eu.kanade.tachiyomi.ui.setting
import android.support.graphics.drawable.VectorDrawableCompat
import android.support.v4.graphics.drawable.DrawableCompat
import android.support.v7.preference.*
import eu.kanade.tachiyomi.widget.preference.FloatListPreference
import eu.kanade.tachiyomi.widget.preference.IntListPreference
@DslMarker
@ -37,6 +38,10 @@ inline fun PreferenceGroup.intListPreference(block: (@DSL IntListPreference).()
return initThenAdd(IntListPreference(context), block).also(::initDialog)
}
inline fun PreferenceGroup.floatListPreference(block: (@DSL FloatListPreference).() -> Unit): FloatListPreference {
return initThenAdd(FloatListPreference(context), block).also(::initDialog)
}
inline fun PreferenceGroup.multiSelectListPreference(block: (@DSL MultiSelectListPreference).() -> Unit): MultiSelectListPreference {
return initThenAdd(MultiSelectListPreference(context), block).also(::initDialog)
}

10
app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsReaderController.kt
View file

@ -112,6 +112,16 @@ class SettingsReaderController : SettingsController() {
titleRes = R.string.pref_crop_borders
defaultValue = false
}
floatListPreference {
key = Keys.webtoonMarginRatio
titleRes = R.string.pref_reader_theme
entriesRes = arrayOf(R.string.webtoon_margin_ratio_0,
R.string.webtoon_margin_ratio_10, R.string.webtoon_margin_ratio_25)
entryValues = arrayOf("0", "1", "2")
defaultValue = "0"
summary = "%s"
}
}
preferenceCategory {
titleRes = R.string.pref_reader_navigation

26
app/src/main/java/eu/kanade/tachiyomi/widget/preference/FloatListPreference.kt Normal file
View file

@ -0,0 +1,26 @@
package eu.kanade.tachiyomi.widget.preference
import android.content.Context
import android.support.v7.preference.ListPreference
import android.util.AttributeSet
class FloatListPreference @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null) :
ListPreference(context, attrs) {
override fun persistString(value: String?): Boolean {
return value != null && persistFloat(value.toFloat())
}
override fun getPersistedString(defaultReturnValue: String?): String? {
// When the underlying preference is using a PreferenceDataStore, there's no way (for now)
// to check if a value is in the store, so we use a most likely unused value as workaround
val defaultIntValue = Float.NEGATIVE_INFINITY
val value = getPersistedFloat(defaultIntValue)
return if (value != defaultIntValue) {
value.toString()
} else {
defaultReturnValue
}
}
}

21
app/src/main/res/layout/reader_settings_sheet.xml
View file

@ -240,6 +240,25 @@
android:textColor="?android:attr/textColorSecondary"
app:layout_constraintTop_toBottomOf="@id/webtoon_prefs" />
<TextView
android:id="@+id/margin_ratio_text"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:text="@string/pref_reader_margin"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toLeftOf="@id/verticalcenter"
app:layout_constraintBaseline_toBaselineOf="@id/margin_ratio_webtoon"/>
<android.support.v7.widget.AppCompatSpinner
android:id="@+id/margin_ratio_webtoon"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:entries="@array/margin_ratio"
app:layout_constraintLeft_toRightOf="@id/verticalcenter"
app:layout_constraintRight_toRightOf="@id/spinner_end"
app:layout_constraintTop_toBottomOf="@id/crop_borders_webtoon"/>
<!-- Groups of preferences -->
<android.support.constraint.Group
@ -255,7 +274,7 @@
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:visibility="gone"
app:constraint_referenced_ids="webtoon_prefs,crop_borders_webtoon" />
app:constraint_referenced_ids="webtoon_prefs,crop_borders_webtoon,margin_ratio_text,margin_ratio_webtoon" />
<android.support.constraint.Guideline
android:id="@+id/verticalcenter"

6
app/src/main/res/values/arrays.xml
View file

@ -53,6 +53,12 @@
<item>@string/scale_type_smart_fit</item>
</string-array>
<string-array name="margin_ratio">
<item>@string/webtoon_margin_ratio_0</item>
<item>@string/webtoon_margin_ratio_10</item>
<item>@string/webtoon_margin_ratio_25</item>
</string-array>
<string-array name="image_scale_type_values">
<item>1</item>
<item>2</item>

4
app/src/main/res/values/strings.xml
View file

@ -196,6 +196,7 @@
<string name="pref_read_with_tapping">Tapping</string>
<string name="pref_read_with_long_tap">Long tap dialog</string>
<string name="pref_reader_theme">Background color</string>
<string name="pref_reader_margin">Margin ratio</string>
<string name="white_background">White</string>
<string name="black_background">Black</string>
<string name="pref_viewer_type">Default viewer</string>
@ -230,6 +231,9 @@
<string name="color_filter_g_value">G</string>
<string name="color_filter_b_value">B</string>
<string name="color_filter_a_value">A</string>
<string name="webtoon_margin_ratio_0">No margin</string>
<string name="webtoon_margin_ratio_10">10%</string>
<string name="webtoon_margin_ratio_25">25%</string>
<!-- Downloads section -->