61 lines
2.7 KiB
Kotlin
61 lines
2.7 KiB
Kotlin
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.fenix.settings
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import android.os.Bundle
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import androidx.appcompat.app.AppCompatActivity
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import androidx.preference.Preference
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import androidx.preference.PreferenceFragmentCompat
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import androidx.preference.SwitchPreference
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import org.mozilla.fenix.R
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import org.mozilla.fenix.ext.requireComponents
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import org.mozilla.fenix.utils.Settings
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class AccessibilityFragment : PreferenceFragmentCompat() {
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override fun onResume() {
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super.onResume()
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(activity as AppCompatActivity).title = getString(R.string.preferences_accessibility)
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(activity as AppCompatActivity).supportActionBar?.show()
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val textSizePreference =
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findPreference<TextPercentageSeekBarPreference>(getString(R.string.pref_key_accessibility_font_scale))
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textSizePreference?.onPreferenceChangeListener =
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Preference.OnPreferenceChangeListener { _, newValue ->
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(newValue as? Int).let {
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// Value is mapped from 0->30 in steps of 1 so let's convert to float in range 0.5->2.0
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val newTextScale = ((newValue as Int * STEP_SIZE) + MIN_SCALE_VALUE).toFloat() / PERCENT_TO_DECIMAL
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Settings.getInstance(context!!).fontSizeFactor = newTextScale
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requireComponents.core.engine.settings.fontSizeFactor = newTextScale
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requireComponents.useCases.sessionUseCases.reload.invoke()
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}
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true
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}
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textSizePreference?.isVisible = !Settings.getInstance(context!!).shouldUseAutoSize
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val useAutoSizePreference =
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findPreference<SwitchPreference>(getString(R.string.pref_key_accessibility_auto_size))
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useAutoSizePreference?.setOnPreferenceChangeListener { _, newValue ->
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Settings.getInstance(context!!).shouldUseAutoSize = newValue as Boolean
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requireComponents.core.engine.settings.automaticFontSizeAdjustment = newValue
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if (!newValue) {
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requireComponents.core.engine.settings.fontSizeFactor = Settings.getInstance(context!!).fontSizeFactor
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}
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textSizePreference?.isVisible = !newValue
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requireComponents.useCases.sessionUseCases.reload.invoke()
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true
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}
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}
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override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
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setPreferencesFromResource(R.xml.accessibility_preferences, rootKey)
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}
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companion object {
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const val MIN_SCALE_VALUE = 50
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const val STEP_SIZE = 5
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const val PERCENT_TO_DECIMAL = 100f
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}
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}
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