Browse Source
* Restore intentional mentions in the markdown/plain text editor --------- Co-authored-by: ElementBot <benoitm+elementbot@element.io>pull/3200/head
Jorge Martin Espinosa
2 months ago
committed by
GitHub
31 changed files with 715 additions and 286 deletions
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/* |
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* Copyright (c) 2024 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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* https://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 io.element.android.features.messages.impl.utils |
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import android.text.Spannable |
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import android.text.SpannableStringBuilder |
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import androidx.core.text.getSpans |
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import io.element.android.libraries.matrix.api.core.MatrixPatternType |
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import io.element.android.libraries.matrix.api.core.MatrixPatterns |
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import io.element.android.libraries.matrix.api.core.RoomAlias |
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import io.element.android.libraries.matrix.api.core.UserId |
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import io.element.android.libraries.matrix.api.permalink.PermalinkBuilder |
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import io.element.android.libraries.matrix.api.permalink.PermalinkParser |
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import io.element.android.libraries.matrix.ui.messages.RoomMemberProfilesCache |
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import io.element.android.libraries.textcomposer.mentions.MentionSpan |
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import io.element.android.libraries.textcomposer.mentions.MentionSpanProvider |
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import javax.inject.Inject |
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class TextPillificationHelper @Inject constructor( |
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private val mentionSpanProvider: MentionSpanProvider, |
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private val permalinkBuilder: PermalinkBuilder, |
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private val permalinkParser: PermalinkParser, |
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private val roomMemberProfilesCache: RoomMemberProfilesCache, |
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) { |
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@Suppress("LoopWithTooManyJumpStatements") |
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fun pillify(text: CharSequence): CharSequence { |
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val matches = MatrixPatterns.findPatterns(text, permalinkParser).sortedByDescending { it.end } |
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if (matches.isEmpty()) return text |
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val spannable = SpannableStringBuilder(text) |
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for (match in matches) { |
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when (match.type) { |
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MatrixPatternType.USER_ID -> { |
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val mentionSpanExists = spannable.getSpans<MentionSpan>(match.start, match.end).isNotEmpty() |
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if (!mentionSpanExists) { |
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val userId = UserId(match.value) |
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val permalink = permalinkBuilder.permalinkForUser(userId).getOrNull() ?: continue |
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val mentionSpan = mentionSpanProvider.getMentionSpanFor(match.value, permalink) |
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roomMemberProfilesCache.getDisplayName(userId)?.let { mentionSpan.text = it } |
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spannable.replace(match.start, match.end, "@ ") |
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spannable.setSpan(mentionSpan, match.start, match.start + 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE) |
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} |
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} |
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MatrixPatternType.ROOM_ALIAS -> { |
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val mentionSpanExists = spannable.getSpans<MentionSpan>(match.start, match.end).isNotEmpty() |
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if (!mentionSpanExists) { |
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val permalink = permalinkBuilder.permalinkForRoomAlias(RoomAlias(match.value)).getOrNull() ?: continue |
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val mentionSpan = mentionSpanProvider.getMentionSpanFor(match.value, permalink) |
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spannable.replace(match.start, match.end, "@ ") |
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spannable.setSpan(mentionSpan, match.start, match.start + 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE) |
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} |
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} |
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MatrixPatternType.AT_ROOM -> { |
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val mentionSpanExists = spannable.getSpans<MentionSpan>(match.start, match.end).isNotEmpty() |
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if (!mentionSpanExists) { |
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val mentionSpan = mentionSpanProvider.getMentionSpanFor("@room", "") |
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spannable.replace(match.start, match.end, "@ ") |
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spannable.setSpan(mentionSpan, match.start, match.start + 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE) |
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} |
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} |
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else -> Unit |
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} |
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} |
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return spannable |
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} |
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} |
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/* |
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* Copyright (c) 2024 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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* https://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 io.element.android.features.messages.impl.utils |
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import android.net.Uri |
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import androidx.test.ext.junit.runners.AndroidJUnit4 |
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import com.google.common.truth.Truth.assertThat |
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import io.element.android.libraries.matrix.api.core.RoomAlias |
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import io.element.android.libraries.matrix.api.core.RoomIdOrAlias |
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import io.element.android.libraries.matrix.api.core.UserId |
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import io.element.android.libraries.matrix.api.permalink.PermalinkData |
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import io.element.android.libraries.matrix.api.permalink.PermalinkParser |
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import io.element.android.libraries.matrix.test.permalink.FakePermalinkBuilder |
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import io.element.android.libraries.matrix.test.permalink.FakePermalinkParser |
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import io.element.android.libraries.matrix.test.room.aRoomMember |
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import io.element.android.libraries.matrix.ui.messages.RoomMemberProfilesCache |
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import io.element.android.libraries.textcomposer.mentions.MentionSpan |
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import io.element.android.libraries.textcomposer.mentions.MentionSpanProvider |
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import io.element.android.libraries.textcomposer.mentions.getMentionSpans |
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import org.junit.Test |
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import org.junit.runner.RunWith |
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@RunWith(AndroidJUnit4::class) |
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class TextPillificationHelperTest { |
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@Test |
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fun `pillify - adds pills for user ids`() { |
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val text = "A @user:server.com" |
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val helper = aTextPillificationHelper( |
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permalinkparser = FakePermalinkParser(result = { |
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PermalinkData.UserLink(UserId("@user:server.com")) |
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}), |
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permalinkBuilder = FakePermalinkBuilder(permalinkForUserLambda = { |
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Result.success("https://matrix.to/#/@user:server.com") |
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}), |
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) |
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val pillified = helper.pillify(text) |
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val mentionSpans = pillified.getMentionSpans() |
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assertThat(mentionSpans).hasSize(1) |
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val mentionSpan = mentionSpans.firstOrNull() |
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assertThat(mentionSpan?.type).isEqualTo(MentionSpan.Type.USER) |
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assertThat(mentionSpan?.rawValue).isEqualTo("@user:server.com") |
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assertThat(mentionSpan?.text).isEqualTo("@user:server.com") |
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} |
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@Test |
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fun `pillify - uses the cached display name for user mentions`() { |
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val text = "A @user:server.com" |
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val helper = aTextPillificationHelper( |
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permalinkparser = FakePermalinkParser(result = { |
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PermalinkData.UserLink(UserId("@user:server.com")) |
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}), |
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permalinkBuilder = FakePermalinkBuilder(permalinkForUserLambda = { |
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Result.success("https://matrix.to/#/@user:server.com") |
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}), |
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roomMemberProfilesCache = RoomMemberProfilesCache().apply { |
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replace(listOf(aRoomMember(userId = UserId("@user:server.com"), displayName = "Alice"))) |
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}, |
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) |
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val pillified = helper.pillify(text) |
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val mentionSpans = pillified.getMentionSpans() |
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assertThat(mentionSpans).hasSize(1) |
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val mentionSpan = mentionSpans.firstOrNull() |
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assertThat(mentionSpan?.type).isEqualTo(MentionSpan.Type.USER) |
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assertThat(mentionSpan?.rawValue).isEqualTo("@user:server.com") |
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assertThat(mentionSpan?.text).isEqualTo("Alice") |
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} |
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@Test |
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fun `pillify - adds pills for room aliases`() { |
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val text = "A #room:server.com" |
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val helper = aTextPillificationHelper( |
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permalinkparser = FakePermalinkParser(result = { |
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PermalinkData.RoomLink(RoomIdOrAlias.Alias(RoomAlias("#room:server.com"))) |
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}), |
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permalinkBuilder = FakePermalinkBuilder(permalinkForRoomAliasLambda = { |
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Result.success("https://matrix.to/#/#room:server.com") |
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}), |
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) |
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val pillified = helper.pillify(text) |
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val mentionSpans = pillified.getMentionSpans() |
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assertThat(mentionSpans).hasSize(1) |
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val mentionSpan = mentionSpans.firstOrNull() |
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assertThat(mentionSpan?.type).isEqualTo(MentionSpan.Type.ROOM) |
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assertThat(mentionSpan?.rawValue).isEqualTo("#room:server.com") |
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assertThat(mentionSpan?.text).isEqualTo("#room:server.com") |
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} |
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@Test |
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fun `pillify - adds pills for @room mentions`() { |
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val text = "An @room mention" |
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val helper = aTextPillificationHelper(permalinkparser = FakePermalinkParser(result = { |
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PermalinkData.FallbackLink(Uri.EMPTY) |
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})) |
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val pillified = helper.pillify(text) |
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val mentionSpans = pillified.getMentionSpans() |
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assertThat(mentionSpans).hasSize(1) |
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val mentionSpan = mentionSpans.firstOrNull() |
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assertThat(mentionSpan?.type).isEqualTo(MentionSpan.Type.EVERYONE) |
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assertThat(mentionSpan?.rawValue).isEqualTo("@room") |
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assertThat(mentionSpan?.text).isEqualTo("@room") |
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} |
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private fun aTextPillificationHelper( |
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permalinkparser: PermalinkParser = FakePermalinkParser(), |
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permalinkBuilder: FakePermalinkBuilder = FakePermalinkBuilder(), |
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mentionSpanProvider: MentionSpanProvider = MentionSpanProvider(permalinkparser), |
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roomMemberProfilesCache: RoomMemberProfilesCache = RoomMemberProfilesCache(), |
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) = TextPillificationHelper( |
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mentionSpanProvider = mentionSpanProvider, |
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permalinkBuilder = permalinkBuilder, |
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permalinkParser = permalinkparser, |
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roomMemberProfilesCache = roomMemberProfilesCache, |
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) |
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} |
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/* |
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* Copyright (c) 2024 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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* https://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 io.element.android.libraries.matrix.api.core |
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import android.net.Uri |
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import com.google.common.truth.Truth.assertThat |
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import io.element.android.libraries.matrix.api.permalink.PermalinkData |
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import io.element.android.libraries.matrix.api.permalink.PermalinkParser |
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import org.junit.Test |
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class MatrixPatternsTest { |
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@Test |
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fun `findPatterns - returns raw user ids`() { |
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val text = "A @user:server.com and @user2:server.com" |
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val patterns = MatrixPatterns.findPatterns(text, aPermalinkParser()) |
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assertThat(patterns).containsExactly( |
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MatrixPatternResult(MatrixPatternType.USER_ID, "@user:server.com", 2, 18), |
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MatrixPatternResult(MatrixPatternType.USER_ID, "@user2:server.com", 23, 40) |
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) |
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} |
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@Test |
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fun `findPatterns - returns raw room ids`() { |
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val text = "A !room:server.com and !room2:server.com" |
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val patterns = MatrixPatterns.findPatterns(text, aPermalinkParser()) |
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assertThat(patterns).containsExactly( |
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MatrixPatternResult(MatrixPatternType.ROOM_ID, "!room:server.com", 2, 18), |
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MatrixPatternResult(MatrixPatternType.ROOM_ID, "!room2:server.com", 23, 40) |
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) |
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} |
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@Test |
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fun `findPatterns - returns raw room aliases`() { |
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val text = "A #room:server.com and #room2:server.com" |
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val patterns = MatrixPatterns.findPatterns(text, aPermalinkParser()) |
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assertThat(patterns).containsExactly( |
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MatrixPatternResult(MatrixPatternType.ROOM_ALIAS, "#room:server.com", 2, 18), |
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MatrixPatternResult(MatrixPatternType.ROOM_ALIAS, "#room2:server.com", 23, 40) |
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) |
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} |
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@Test |
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fun `findPatterns - returns raw room event ids`() { |
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val text = "A \$event:server.com and \$event2:server.com" |
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val patterns = MatrixPatterns.findPatterns(text, aPermalinkParser()) |
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assertThat(patterns).containsExactly( |
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MatrixPatternResult(MatrixPatternType.EVENT_ID, "\$event:server.com", 2, 19), |
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MatrixPatternResult(MatrixPatternType.EVENT_ID, "\$event2:server.com", 24, 42) |
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) |
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} |
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@Test |
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fun `findPatterns - returns @room mention`() { |
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val text = "A @room mention" |
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val patterns = MatrixPatterns.findPatterns(text, aPermalinkParser()) |
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assertThat(patterns).containsExactly(MatrixPatternResult(MatrixPatternType.AT_ROOM, "@room", 2, 7)) |
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} |
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@Test |
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fun `findPatterns - returns user ids in permalinks`() { |
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val text = "A [User](https://matrix.to/#/@user:server.com)" |
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val permalinkParser = aPermalinkParser { _ -> |
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PermalinkData.UserLink(UserId("@user:server.com")) |
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} |
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val patterns = MatrixPatterns.findPatterns(text, permalinkParser) |
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assertThat(patterns).containsExactly(MatrixPatternResult(MatrixPatternType.USER_ID, "@user:server.com", 2, 46)) |
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} |
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@Test |
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fun `findPatterns - returns room aliases in permalinks`() { |
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val text = "A [Room](https://matrix.to/#/#room:server.com)" |
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val permalinkParser = aPermalinkParser { _ -> |
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PermalinkData.RoomLink(RoomIdOrAlias.Alias(RoomAlias("#room:server.com"))) |
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} |
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val patterns = MatrixPatterns.findPatterns(text, permalinkParser) |
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assertThat(patterns).containsExactly(MatrixPatternResult(MatrixPatternType.ROOM_ALIAS, "#room:server.com", 2, 46)) |
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} |
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private fun aPermalinkParser(block: (String) -> PermalinkData = { PermalinkData.FallbackLink(Uri.EMPTY) }) = object : PermalinkParser { |
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override fun parse(uriString: String): PermalinkData { |
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return block(uriString) |
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} |
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} |
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} |
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@ -0,0 +1,172 @@ |
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/* |
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* Copyright (c) 2024 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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* https://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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|
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package io.element.android.libraries.textcomposer.mentions |
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|
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import android.graphics.Color |
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import android.graphics.Typeface |
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import android.text.Spanned |
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import android.view.ViewGroup |
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import android.widget.TextView |
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import androidx.compose.foundation.layout.PaddingValues |
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import androidx.compose.runtime.Composable |
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import androidx.compose.runtime.CompositionLocalProvider |
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import androidx.compose.runtime.Stable |
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import androidx.compose.runtime.mutableStateOf |
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import androidx.compose.runtime.remember |
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import androidx.compose.runtime.staticCompositionLocalOf |
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import androidx.compose.ui.graphics.toArgb |
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import androidx.compose.ui.platform.LocalDensity |
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import androidx.compose.ui.platform.LocalLayoutDirection |
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import androidx.compose.ui.unit.dp |
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import androidx.compose.ui.viewinterop.AndroidView |
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import androidx.core.text.buildSpannedString |
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import io.element.android.compound.theme.ElementTheme |
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import io.element.android.libraries.designsystem.preview.ElementPreview |
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import io.element.android.libraries.designsystem.preview.PreviewsDayNight |
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import io.element.android.libraries.designsystem.text.rememberTypeface |
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import io.element.android.libraries.designsystem.theme.currentUserMentionPillBackground |
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import io.element.android.libraries.designsystem.theme.currentUserMentionPillText |
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import io.element.android.libraries.designsystem.theme.mentionPillBackground |
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import io.element.android.libraries.designsystem.theme.mentionPillText |
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import io.element.android.libraries.matrix.api.core.RoomAlias |
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import io.element.android.libraries.matrix.api.core.UserId |
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import io.element.android.libraries.matrix.api.core.toRoomIdOrAlias |
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import io.element.android.libraries.matrix.api.permalink.PermalinkData |
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import io.element.android.libraries.matrix.api.permalink.PermalinkParser |
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import kotlinx.collections.immutable.persistentListOf |
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import javax.inject.Inject |
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/** |
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* Theme used for mention spans. |
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* To make this work, you need to: |
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* 1. Provide [LocalMentionSpanTheme] in a composable that wraps the ones where you want to use mentions. |
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* 2. Call [MentionSpanTheme.updateStyles] with the current [UserId] so the colors and sizes are computed. |
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* 3. Use either [MentionSpanTheme.updateMentionStyles] or [MentionSpan.update] to update the styles of the mention spans. |
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*/ |
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@Stable |
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class MentionSpanTheme @Inject constructor() { |
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internal var currentUserId: UserId? = null |
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internal var currentUserTextColor: Int = 0 |
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internal var currentUserBackgroundColor: Int = Color.WHITE |
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internal var otherTextColor: Int = 0 |
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internal var otherBackgroundColor: Int = Color.WHITE |
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|
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private val paddingValues = PaddingValues(start = 4.dp, end = 6.dp) |
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internal val paddingValuesPx = mutableStateOf(0 to 0) |
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internal val typeface = mutableStateOf(Typeface.DEFAULT) |
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|
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/** |
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* Updates the styles of the mention spans based on the [ElementTheme] and [currentUserId]. |
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*/ |
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@Suppress("ComposableNaming") |
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@Composable |
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fun updateStyles(currentUserId: UserId) { |
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this.currentUserId = currentUserId |
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currentUserTextColor = ElementTheme.colors.currentUserMentionPillText.toArgb() |
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currentUserBackgroundColor = ElementTheme.colors.currentUserMentionPillBackground.toArgb() |
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otherTextColor = ElementTheme.colors.mentionPillText.toArgb() |
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otherBackgroundColor = ElementTheme.colors.mentionPillBackground.toArgb() |
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|
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typeface.value = ElementTheme.typography.fontBodyLgMedium.rememberTypeface().value |
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val density = LocalDensity.current |
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val layoutDirection = LocalLayoutDirection.current |
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paddingValuesPx.value = remember(paddingValues, density, layoutDirection) { |
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|
with(density) { |
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val leftPadding = paddingValues.calculateLeftPadding(layoutDirection).roundToPx() |
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|
val rightPadding = paddingValues.calculateRightPadding(layoutDirection).roundToPx() |
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|
leftPadding to rightPadding |
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|
} |
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|
} |
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|
} |
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|
} |
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|
|
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|
/** |
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|
* Updates the styles of the mention spans in the given [CharSequence]. |
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|
*/ |
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|
fun MentionSpanTheme.updateMentionStyles(charSequence: CharSequence) { |
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|
val spanned = charSequence as? Spanned ?: return |
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|
val mentionSpans = spanned.getMentionSpans() |
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|
for (span in mentionSpans) { |
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|
span.update(this) |
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|
} |
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|
} |
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|
|
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|
/** |
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|
* Composition local containing the current [MentionSpanTheme]. |
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|
*/ |
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|
val LocalMentionSpanTheme = staticCompositionLocalOf { |
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|
MentionSpanTheme() |
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|
} |
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|
|
||||||
|
@PreviewsDayNight |
||||||
|
@Composable |
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|
internal fun MentionSpanThemePreview() { |
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|
ElementPreview { |
||||||
|
val mentionSpanTheme = remember { MentionSpanTheme() } |
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|
val provider = remember { |
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|
MentionSpanProvider( |
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|
permalinkParser = object : PermalinkParser { |
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|
override fun parse(uriString: String): PermalinkData { |
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|
return when (uriString) { |
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|
"https://matrix.to/#/@me:matrix.org" -> PermalinkData.UserLink(UserId("@me:matrix.org")) |
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|
"https://matrix.to/#/@other:matrix.org" -> PermalinkData.UserLink(UserId("@other:matrix.org")) |
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|
"https://matrix.to/#/#room:matrix.org" -> PermalinkData.RoomLink( |
||||||
|
roomIdOrAlias = RoomAlias("#room:matrix.org").toRoomIdOrAlias(), |
||||||
|
eventId = null, |
||||||
|
viaParameters = persistentListOf(), |
||||||
|
) |
||||||
|
else -> throw AssertionError("Unexpected value $uriString") |
||||||
|
} |
||||||
|
} |
||||||
|
}, |
||||||
|
) |
||||||
|
} |
||||||
|
|
||||||
|
val textColor = ElementTheme.colors.textPrimary.toArgb() |
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|
fun mentionSpanMe() = provider.getMentionSpanFor("mention", "https://matrix.to/#/@me:matrix.org") |
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|
fun mentionSpanOther() = provider.getMentionSpanFor("mention", "https://matrix.to/#/@other:matrix.org") |
||||||
|
fun mentionSpanRoom() = provider.getMentionSpanFor("room", "https://matrix.to/#/#room:matrix.org") |
||||||
|
mentionSpanTheme.updateStyles(currentUserId = UserId("@me:matrix.org")) |
||||||
|
|
||||||
|
CompositionLocalProvider( |
||||||
|
LocalMentionSpanTheme provides mentionSpanTheme |
||||||
|
) { |
||||||
|
AndroidView(factory = { context -> |
||||||
|
TextView(context).apply { |
||||||
|
includeFontPadding = false |
||||||
|
layoutParams = ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT) |
||||||
|
text = buildSpannedString { |
||||||
|
append("This is a ") |
||||||
|
append("@mention", mentionSpanMe(), 0) |
||||||
|
append(" to the current user and this is a ") |
||||||
|
append("@mention", mentionSpanOther(), 0) |
||||||
|
append(" to other user. This one is for a room: ") |
||||||
|
append("#room:matrix.org", mentionSpanRoom(), 0) |
||||||
|
append("\n\n") |
||||||
|
append("This ") |
||||||
|
append("mention", mentionSpanMe(), 0) |
||||||
|
append(" didn't have an '@' and it was automatically added, same as this ") |
||||||
|
append("room:matrix.org", mentionSpanRoom(), 0) |
||||||
|
append(" one, which had no leading '#'.") |
||||||
|
} |
||||||
|
mentionSpanTheme.updateMentionStyles(text) |
||||||
|
setTextColor(textColor) |
||||||
|
} |
||||||
|
}) |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
Loading…
Reference in new issue