forked from GitHub-Mirror/riotX-android
66 lines
1.9 KiB
Kotlin
66 lines
1.9 KiB
Kotlin
/*
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* Copyright 2019 New Vector Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package im.vector.riotx
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import android.graphics.Typeface
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import androidx.core.provider.FontsContractCompat
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import timber.log.Timber
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import javax.inject.Inject
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import javax.inject.Singleton
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@Singleton
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class EmojiCompatFontProvider @Inject constructor(): FontsContractCompat.FontRequestCallback() {
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var typeface: Typeface? = null
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set(value) {
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if (value != field) {
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field = value
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listeners.forEach {
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try {
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it.compatibilityFontUpdate(value)
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} catch (t: Throwable) {
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Timber.e(t)
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}
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}
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}
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}
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private val listeners = ArrayList<FontProviderListener>()
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override fun onTypefaceRetrieved(typeface: Typeface) {
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this.typeface = typeface
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}
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override fun onTypefaceRequestFailed(reason: Int) {
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Timber.e("Failed to load Emoji Compatible font, reason:$reason")
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}
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fun addListener(listener: FontProviderListener) {
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if (!listeners.contains(listener)) {
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listeners.add(listener)
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}
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}
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fun removeListener(listener: FontProviderListener) {
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listeners.remove(listener)
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}
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interface FontProviderListener {
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fun compatibilityFontUpdate(typeface: Typeface?)
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}
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} |