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package com.pitchedapps.frost.intro
import android.graphics.drawable.Drawable
import android.graphics.drawable.LayerDrawable
import android.os.Bundle
import android.view.View
import ca.allanwang.kau.utils.colorToForeground
import ca.allanwang.kau.utils.tint
import ca.allanwang.kau.utils.withAlpha
import com.pitchedapps.frost.R
import com.pitchedapps.frost.utils.Prefs
/**
* Created by Allan Wang on 2017-07-28.
*/
abstract class BaseImageIntroFragment(val titleRes: Int, val imageRes: Int, val descRes: Int) : BaseIntroFragment(R.layout.intro_image) {
val imageDrawable: LayerDrawable by lazyResettableRegistered { image.drawable as LayerDrawable }
val phone: Drawable by lazyResettableRegistered { imageDrawable.findDrawableByLayerId(R.id.intro_phone) }
val screen: Drawable by lazyResettableRegistered { imageDrawable.findDrawableByLayerId(R.id.intro_phone_screen) }
override fun viewArray(): Array<Array<out View>>
= arrayOf(arrayOf(title), arrayOf(desc))
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
title.setText(titleRes)
image.setImageResource(imageRes)
desc.setText(descRes)
super.onViewCreated(view, savedInstanceState)
}
override fun themeFragmentImpl() {
super.themeFragmentImpl()
title.setTextColor(Prefs.textColor)
desc.setTextColor(Prefs.textColor)
phone.tint(Prefs.textColor)
screen.tint(Prefs.bgColor)
}
fun themeImageComponent(color: Int, vararg id: Int) {
id.forEach { imageDrawable.findDrawableByLayerId(it).tint(color) }
}
override fun onPageScrolledImpl(positionOffset: Float) {
super.onPageScrolledImpl(positionOffset)
val alpha = ((1 - Math.abs(positionOffset)) * 255).toInt()
//apply alpha to all layers except the phone base
(0 until imageDrawable.numberOfLayers).forEach {
val d = imageDrawable.getDrawable(it)
if (d != phone) d.alpha = alpha
}
}
fun firstImageFragmentTransition(offset: Float) {
if (offset < 0)
image.alpha = 1 + offset
}
fun lastImageFragmentTransition(offset: Float) {
if (offset > 0)
image.alpha = 1 - offset
}
}
class IntroAccountFragment : BaseImageIntroFragment(
R.string.intro_multiple_accounts, R.drawable.intro_phone_nav, R.string.intro_multiple_accounts_desc
) {
override fun themeFragmentImpl() {
super.themeFragmentImpl()
themeImageComponent(Prefs.iconColor, R.id.intro_phone_avatar_1, R.id.intro_phone_avatar_2)
themeImageComponent(Prefs.bgColor.colorToForeground(), R.id.intro_phone_nav)
themeImageComponent(Prefs.headerColor, R.id.intro_phone_header)
}
override fun onPageScrolledImpl(positionOffset: Float) {
super.onPageScrolledImpl(positionOffset)
firstImageFragmentTransition(positionOffset)
}
}
class IntroTabTouchFragment : BaseImageIntroFragment(
R.string.intro_easy_navigation, R.drawable.intro_phone_tab, R.string.intro_easy_navigation_desc
) {
override fun themeFragmentImpl() {
super.themeFragmentImpl()
themeImageComponent(Prefs.iconColor, R.id.intro_phone_icon_1, R.id.intro_phone_icon_2, R.id.intro_phone_icon_3, R.id.intro_phone_icon_4)
themeImageComponent(Prefs.headerColor, R.id.intro_phone_tab)
themeImageComponent(Prefs.textColor.withAlpha(80), R.id.intro_phone_icon_ripple)
}
}
class IntroTabContextFragment : BaseImageIntroFragment(
R.string.intro_context_aware, R.drawable.intro_phone_long_press, R.string.intro_context_aware_desc
) {
override fun themeFragmentImpl() {
super.themeFragmentImpl()
themeImageComponent(Prefs.headerColor, R.id.intro_phone_toolbar)
themeImageComponent(Prefs.bgColor.colorToForeground(0.1f), R.id.intro_phone_image)
themeImageComponent(Prefs.bgColor.colorToForeground(0.2f), R.id.intro_phone_like, R.id.intro_phone_share)
themeImageComponent(Prefs.bgColor.colorToForeground(0.3f), R.id.intro_phone_comment)
themeImageComponent(Prefs.bgColor.colorToForeground(0.1f), R.id.intro_phone_card_1, R.id.intro_phone_card_2)
themeImageComponent(Prefs.textColor, R.id.intro_phone_image_indicator, R.id.intro_phone_comment_indicator, R.id.intro_phone_card_indicator)
}
override fun onPageScrolledImpl(positionOffset: Float) {
super.onPageScrolledImpl(positionOffset)
lastImageFragmentTransition(positionOffset)
}
}
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