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60 lines
2.0 KiB
Kotlin
60 lines
2.0 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.ext
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import android.text.Editable
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import androidx.compose.runtime.Composable
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import mozilla.components.support.ktx.kotlin.MAX_URI_LENGTH
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import mozilla.components.support.ktx.kotlin.toShortUrl
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import org.mozilla.fenix.components.components
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import org.mozilla.fenix.compose.inComposePreview
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/**
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* Shortens URLs to be more user friendly, by applying [String.toShortUrl]
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* and making sure it's equal or below the [MAX_URI_LENGTH].
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*/
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@Composable
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fun String.toShortUrl(): String {
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// Truncate to MAX_URI_LENGTH to prevent the UI from locking up for
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// extremely large URLs such as data URIs or bookmarklets. The same
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// is done in the toolbar and awesomebar:
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// https://github.com/mozilla-mobile/fenix/issues/1824
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// https://github.com/mozilla-mobile/android-components/issues/6985
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return if (inComposePreview) {
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this.take(MAX_URI_LENGTH)
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} else {
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this.toShortUrl(components.publicSuffixList)
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.take(MAX_URI_LENGTH)
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}
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}
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/**
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* Trims a URL string of its scheme and common prefixes.
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*
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* This is intended to act much like [PublicSuffixList.getPublicSuffixPlusOne()] but unlike
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* that method, leaves the path, anchor, etc intact.
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*
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*/
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fun String.simplifiedUrl(): String {
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val afterScheme = this.substringAfter("://")
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for (prefix in listOf("www.", "m.", "mobile.")) {
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if (afterScheme.startsWith(prefix)) {
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return afterScheme.substring(prefix.length)
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}
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}
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return afterScheme
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}
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/**
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* Returns an [Editable] for the provided string.
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*/
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fun String.toEditable(): Editable = Editable.Factory.getInstance().newEditable(this)
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/**
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* Returns a Ipv6 address with consecutive sections of zeroes replaced with a double colon.
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*/
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fun String?.replaceConsecutiveZeros(): String? =
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this?.replaceFirst(":0", ":")?.replace(":0", "")
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