Zoom control buttons in reader
parent
8398c01929
commit
6e1cd05fa8
GPG Key ID:
676DEE768C17A9D7
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package org.koitharu.kotatsu.core.ui.widgets
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import android.content.Context
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import android.util.AttributeSet
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import android.view.LayoutInflater
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import android.view.View
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import android.widget.LinearLayout
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import org.koitharu.kotatsu.R
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import org.koitharu.kotatsu.databinding.ViewZoomBinding
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class ZoomControl @JvmOverloads constructor(
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context: Context,
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attrs: AttributeSet? = null,
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) : LinearLayout(context, attrs), View.OnClickListener {
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private val binding = ViewZoomBinding.inflate(LayoutInflater.from(context), this)
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var listener: ZoomControlListener? = null
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init {
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binding.buttonZoomIn.setOnClickListener(this)
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binding.buttonZoomOut.setOnClickListener(this)
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}
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override fun onClick(v: View) {
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when (v.id) {
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R.id.button_zoom_in -> listener?.onZoomIn()
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R.id.button_zoom_out -> listener?.onZoomOut()
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}
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}
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interface ZoomControlListener {
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fun onZoomIn()
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fun onZoomOut()
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}
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}
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package org.koitharu.kotatsu.reader.ui.pager.standard
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import android.view.animation.DecelerateInterpolator
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import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
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import org.koitharu.kotatsu.core.ui.widgets.ZoomControl
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class SsivZoomListener(
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private val ssiv: SubsamplingScaleImageView,
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) : ZoomControl.ZoomControlListener {
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override fun onZoomIn() {
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scaleBy(1.2f)
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}
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override fun onZoomOut() {
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scaleBy(0.8f)
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}
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private fun scaleBy(factor: Float) {
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val center = ssiv.getCenter() ?: return
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val newScale = ssiv.scale * factor
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ssiv.animateScaleAndCenter(newScale, center)?.apply {
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withDuration(ssiv.resources.getInteger(android.R.integer.config_shortAnimTime).toLong())
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withInterpolator(DecelerateInterpolator())
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start()
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}
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}
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}
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<?xml version="1.0" encoding="utf-8"?>
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<vector
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xmlns:android="http://schemas.android.com/apk/res/android"
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android:width="24dp"
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android:height="24dp"
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android:tint="?colorControlNormal"
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android:viewportWidth="24"
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android:viewportHeight="24">
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<path
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android:fillColor="#000000"
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android:pathData="M15.5,14L20.5,19L19,20.5L14,15.5V14.71L13.73,14.43C12.59,15.41 11.11,16 9.5,16A6.5,6.5 0 0,1 3,9.5A6.5,6.5 0 0,1 9.5,3A6.5,6.5 0 0,1 16,9.5C16,11.11 15.41,12.59 14.43,13.73L14.71,14H15.5M9.5,14C12,14 14,12 14,9.5C14,7 12,5 9.5,5C7,5 5,7 5,9.5C5,12 7,14 9.5,14M12,10H10V12H9V10H7V9H9V7H10V9H12V10Z" />
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</vector>
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<?xml version="1.0" encoding="utf-8"?>
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<vector
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xmlns:android="http://schemas.android.com/apk/res/android"
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android:width="24dp"
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android:height="24dp"
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android:tint="?colorControlNormal"
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android:viewportWidth="24"
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android:viewportHeight="24">
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<path
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android:fillColor="#000000"
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android:pathData="M15.5,14H14.71L14.43,13.73C15.41,12.59 16,11.11 16,9.5A6.5,6.5 0 0,0 9.5,3A6.5,6.5 0 0,0 3,9.5A6.5,6.5 0 0,0 9.5,16C11.11,16 12.59,15.41 13.73,14.43L14,14.71V15.5L19,20.5L20.5,19L15.5,14M9.5,14C7,14 5,12 5,9.5C5,7 7,5 9.5,5C12,5 14,7 14,9.5C14,12 12,14 9.5,14M7,9H12V10H7V9Z" />
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</vector>
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<?xml version="1.0" encoding="utf-8"?>
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<merge
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xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:app="http://schemas.android.com/apk/res-auto"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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tools:parentTag="android.widget.LinearLayout">
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<com.google.android.material.imageview.ShapeableImageView
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android:id="@+id/button_zoom_in"
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android:layout_width="?minTouchTargetSize"
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android:layout_height="?minTouchTargetSize"
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android:layout_margin="4dp"
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android:alpha="0.8"
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android:background="@drawable/bg_circle_button"
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android:contentDescription="@string/zoom_in"
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android:padding="1dp"
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android:scaleType="centerInside"
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android:src="@drawable/ic_zoom_in"
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android:tooltipText="@string/zoom_in"
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app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.Kotatsu.Circle"
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app:strokeColor="?colorOutline"
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app:strokeWidth="1dp" />
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<com.google.android.material.imageview.ShapeableImageView
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android:id="@+id/button_zoom_out"
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android:layout_width="?minTouchTargetSize"
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android:layout_height="?minTouchTargetSize"
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android:layout_margin="4dp"
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android:alpha="0.8"
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android:background="@drawable/bg_circle_button"
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android:contentDescription="@string/zoom_out"
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android:padding="1dp"
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android:scaleType="centerInside"
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android:src="@drawable/ic_zoom_out"
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android:tooltipText="@string/zoom_out"
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app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.Kotatsu.Circle"
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app:strokeColor="?colorOutline"
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app:strokeWidth="1dp" />
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</merge>
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