/
EffectsFragment.kt
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/
EffectsFragment.kt
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/*
* Copyright 2014 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.apps.muzei.settings
import android.app.Activity
import android.content.SharedPreferences
import android.os.Bundle
import android.view.View
import android.widget.Toast
import androidx.core.content.edit
import androidx.fragment.app.Fragment
import androidx.viewpager2.adapter.FragmentStateAdapter
import androidx.viewpager2.widget.ViewPager2
import com.google.android.apps.muzei.isPreviewMode
import com.google.android.apps.muzei.render.MuzeiBlurRenderer
import com.google.android.apps.muzei.util.toast
import com.google.android.material.tabs.TabLayoutMediator
import kotlinx.coroutines.ExperimentalCoroutinesApi
import kotlinx.coroutines.flow.MutableStateFlow
import net.nurik.roman.muzei.R
import net.nurik.roman.muzei.databinding.EffectsFragmentBinding
@OptIn(ExperimentalCoroutinesApi::class)
val EffectsLockScreenOpen = MutableStateFlow(false)
/**
* Fragment for allowing the user to configure advanced settings.
*/
@OptIn(ExperimentalCoroutinesApi::class)
class EffectsFragment : Fragment(R.layout.effects_fragment) {
private lateinit var binding: EffectsFragmentBinding
private val sharedPreferencesListener = SharedPreferences.OnSharedPreferenceChangeListener {
sp, key ->
val effectsLinked = sp.getBoolean(Prefs.PREF_LINK_EFFECTS, false)
if (key == Prefs.PREF_LINK_EFFECTS) {
if (effectsLinked) {
if (binding.viewPager.currentItem == 0) {
// Update the lock screen effects to match the home screen
sp.edit {
putInt(Prefs.PREF_LOCK_BLUR_AMOUNT,
sp.getInt(Prefs.PREF_BLUR_AMOUNT, MuzeiBlurRenderer.DEFAULT_BLUR))
putInt(Prefs.PREF_LOCK_DIM_AMOUNT,
sp.getInt(Prefs.PREF_DIM_AMOUNT, MuzeiBlurRenderer.DEFAULT_MAX_DIM))
putInt(Prefs.PREF_LOCK_GREY_AMOUNT,
sp.getInt(Prefs.PREF_GREY_AMOUNT, MuzeiBlurRenderer.DEFAULT_GREY))
}
} else {
// Update the home screen effects to match the lock screen
sp.edit {
putInt(Prefs.PREF_BLUR_AMOUNT,
sp.getInt(Prefs.PREF_LOCK_BLUR_AMOUNT, MuzeiBlurRenderer.DEFAULT_BLUR))
putInt(Prefs.PREF_DIM_AMOUNT,
sp.getInt(Prefs.PREF_LOCK_DIM_AMOUNT, MuzeiBlurRenderer.DEFAULT_MAX_DIM))
putInt(Prefs.PREF_GREY_AMOUNT,
sp.getInt(Prefs.PREF_LOCK_GREY_AMOUNT, MuzeiBlurRenderer.DEFAULT_GREY))
}
}
requireContext().toast(R.string.toast_link_effects, Toast.LENGTH_LONG)
} else {
requireContext().toast(R.string.toast_link_effects_off, Toast.LENGTH_LONG)
}
// Update the menu item
updateLinkEffectsMenuItem(effectsLinked)
} else if (effectsLinked) {
when (key) {
Prefs.PREF_BLUR_AMOUNT -> {
// Update the lock screen effect to match the updated home screen
sp.edit {
putInt(Prefs.PREF_LOCK_BLUR_AMOUNT, sp.getInt(Prefs.PREF_BLUR_AMOUNT,
MuzeiBlurRenderer.DEFAULT_BLUR))
}
}
Prefs.PREF_DIM_AMOUNT -> {
// Update the lock screen effect to match the updated home screen
sp.edit {
putInt(Prefs.PREF_LOCK_DIM_AMOUNT, sp.getInt(Prefs.PREF_DIM_AMOUNT,
MuzeiBlurRenderer.DEFAULT_MAX_DIM))
}
}
Prefs.PREF_GREY_AMOUNT -> {
// Update the lock screen effect to match the updated home screen
sp.edit {
putInt(Prefs.PREF_LOCK_GREY_AMOUNT, sp.getInt(Prefs.PREF_GREY_AMOUNT,
MuzeiBlurRenderer.DEFAULT_GREY))
}
}
Prefs.PREF_LOCK_BLUR_AMOUNT -> {
// Update the home screen effect to match the updated lock screen
sp.edit {
putInt(Prefs.PREF_BLUR_AMOUNT, sp.getInt(Prefs.PREF_LOCK_BLUR_AMOUNT,
MuzeiBlurRenderer.DEFAULT_BLUR))
}
}
Prefs.PREF_LOCK_DIM_AMOUNT -> {
// Update the home screen effect to match the updated lock screen
sp.edit {
putInt(Prefs.PREF_DIM_AMOUNT, sp.getInt(Prefs.PREF_LOCK_DIM_AMOUNT,
MuzeiBlurRenderer.DEFAULT_MAX_DIM))
}
}
Prefs.PREF_LOCK_GREY_AMOUNT -> {
// Update the home screen effect to match the updated lock screen
sp.edit {
putInt(Prefs.PREF_GREY_AMOUNT, sp.getInt(Prefs.PREF_LOCK_GREY_AMOUNT,
MuzeiBlurRenderer.DEFAULT_GREY))
}
}
}
}
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
binding = EffectsFragmentBinding.bind(view)
if (requireActivity().isPreviewMode) {
with(binding.toolbar) {
setNavigationIcon(R.drawable.ic_ab_done)
navigationContentDescription = getString(R.string.done)
setNavigationOnClickListener {
requireActivity().run {
setResult(Activity.RESULT_OK)
finish()
}
}
}
}
requireActivity().menuInflater.inflate(R.menu.effects_fragment, binding.toolbar.menu)
updateLinkEffectsMenuItem()
binding.toolbar.setOnMenuItemClickListener { item ->
when (item.itemId) {
R.id.action_link_effects -> {
val sp = Prefs.getSharedPreferences(requireContext())
val effectsLinked = sp.getBoolean(Prefs.PREF_LINK_EFFECTS, false)
sp.edit {
putBoolean(Prefs.PREF_LINK_EFFECTS, !effectsLinked)
}
true
}
R.id.action_reset_defaults -> {
Prefs.getSharedPreferences(requireContext()).edit {
putInt(Prefs.PREF_BLUR_AMOUNT, MuzeiBlurRenderer.DEFAULT_BLUR)
putInt(Prefs.PREF_DIM_AMOUNT, MuzeiBlurRenderer.DEFAULT_MAX_DIM)
putInt(Prefs.PREF_GREY_AMOUNT, MuzeiBlurRenderer.DEFAULT_GREY)
putInt(Prefs.PREF_LOCK_BLUR_AMOUNT, MuzeiBlurRenderer.DEFAULT_BLUR)
putInt(Prefs.PREF_LOCK_DIM_AMOUNT, MuzeiBlurRenderer.DEFAULT_MAX_DIM)
putInt(Prefs.PREF_LOCK_GREY_AMOUNT, MuzeiBlurRenderer.DEFAULT_GREY)
}
true
}
else -> false
}
}
binding.viewPager.adapter = Adapter(this)
TabLayoutMediator(binding.tabLayout, binding.viewPager) { tab, position ->
tab.text = when(position) {
0 -> getString(R.string.settings_home_screen_title)
else -> getString(R.string.settings_lock_screen_title)
}
}.attach()
binding.viewPager.registerOnPageChangeCallback(object : ViewPager2.OnPageChangeCallback() {
override fun onPageSelected(position: Int) {
EffectsLockScreenOpen.value = position == 1
}
})
Prefs.getSharedPreferences(requireContext())
.registerOnSharedPreferenceChangeListener(sharedPreferencesListener)
}
override fun onStart() {
super.onStart()
// Reset the value here to restore the state lost in onStop()
EffectsLockScreenOpen.value = binding.viewPager.currentItem == 1
}
private fun updateLinkEffectsMenuItem(
effectsLinked: Boolean = Prefs.getSharedPreferences(requireContext())
.getBoolean(Prefs.PREF_LINK_EFFECTS, false)
) {
binding.toolbar.menu.findItem(R.id.action_link_effects).apply {
title = when (effectsLinked) {
true -> {
setIcon(R.drawable.ic_action_link_effects)
getString(R.string.action_link_effects)
}
false -> {
setIcon(R.drawable.ic_action_link_effects_off)
getString(R.string.action_link_effects_off)
}
}
}
}
override fun onStop() {
// The lock screen effects screen is no longer visible, so set the value to false
EffectsLockScreenOpen.value = false
super.onStop()
}
override fun onDestroyView() {
Prefs.getSharedPreferences(requireContext())
.unregisterOnSharedPreferenceChangeListener(sharedPreferencesListener)
super.onDestroyView()
}
private class Adapter(fragment: Fragment) : FragmentStateAdapter(fragment) {
override fun getItemCount() = 2
override fun createFragment(position: Int) = when(position) {
0 -> EffectsScreenFragment.create(
Prefs.PREF_BLUR_AMOUNT,
Prefs.PREF_DIM_AMOUNT,
Prefs.PREF_GREY_AMOUNT)
else -> EffectsScreenFragment.create(
Prefs.PREF_LOCK_BLUR_AMOUNT,
Prefs.PREF_LOCK_DIM_AMOUNT,
Prefs.PREF_LOCK_GREY_AMOUNT)
}
}
}