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Insert mentions

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This commit is contained in:
Niels Andriesse 2021-06-25 15:11:38 +10:00
parent 6140be6e56
commit 0ac0cba448
1 changed files with 26 additions and 9 deletions
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35
app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationActivityV2.kt
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@ -302,11 +302,9 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
// 36 DP is the exact height of the typing indicator view. It's also exactly 18 * 2, and 18 is the large message
// corner radius. This makes 36 DP look "correct" in the context of other messages on the screen.
val typingIndicatorHeight = if (typingIndicatorViewContainer.isVisible) toPx(36, resources) else 0
// We * don't * want to move the recycler view up when showing the mention candidates view
val additionalContentContainerHeight = if (isShowingMentionCandidatesView) 0 else additionalContentContainer.height
// Recycler view
val recyclerViewLayoutParams = conversationRecyclerView.layoutParams as RelativeLayout.LayoutParams
recyclerViewLayoutParams.bottomMargin = newValue + additionalContentContainerHeight + typingIndicatorHeight
recyclerViewLayoutParams.bottomMargin = newValue + typingIndicatorHeight
conversationRecyclerView.layoutParams = recyclerViewLayoutParams
// Additional content container
val additionalContentContainerLayoutParams = additionalContentContainer.layoutParams as RelativeLayout.LayoutParams
@ -331,22 +329,28 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
}
private fun showOrHideMentionCandidatesIfNeeded(text: CharSequence) {
val isBackspace = (text.length < previousText.length)
if (isBackspace) {
if (text.length < previousText.length) {
currentMentionStartIndex = -1
hideMentionCandidates()
val mentionsToRemove = mentions.filter { !text.contains(it.displayName) }
mentions.removeAll(mentionsToRemove)
}
if (text.isNotEmpty()) {
if (currentMentionStartIndex > text.length) { resetMentions() } // Should never occur
val lastCharIndex = text.lastIndex
val lastChar = text[lastCharIndex]
val secondToLastChar = if (lastCharIndex > 0) text[lastCharIndex - 1] else ' '
if (lastChar == '@' && Character.isWhitespace(secondToLastChar)) {
// Check if there is whitespace before the '@' or the '@' is the first character
val isCharacterBeforeLastWhiteSpaceOrStartOfLine: Boolean
if (text.length == 1) {
isCharacterBeforeLastWhiteSpaceOrStartOfLine = true // Start of line
} else {
val charBeforeLast = text[lastCharIndex - 1]
isCharacterBeforeLastWhiteSpaceOrStartOfLine = Character.isWhitespace(charBeforeLast)
}
if (lastChar == '@' && isCharacterBeforeLastWhiteSpaceOrStartOfLine) {
currentMentionStartIndex = lastCharIndex
showOrUpdateMentionCandidatesIfNeeded()
} else if (Character.isWhitespace(lastChar)) {
} else if (Character.isWhitespace(lastChar) || lastChar == '@') { // the lastCharacter == "@" is to check for @@
currentMentionStartIndex = -1
hideMentionCandidates()
} else if (currentMentionStartIndex != -1) {
@ -362,6 +366,7 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
additionalContentContainer.removeAllViews()
val view = MentionCandidatesView(this)
view.glide = glide
view.onCandidateSelected = { handleMentionSelected(it) }
additionalContentContainer.addView(view)
val candidates = MentionsManager.getMentionCandidates(query, threadID, thread.isOpenGroupRecipient)
this.mentionCandidatesView = view
@ -617,6 +622,18 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
// TODO: Implement
}
private fun handleMentionSelected(mention: Mention) {
if (currentMentionStartIndex == -1) { return }
mentions.add(mention)
val previousText = inputBar.text
val newText = previousText.substring(0, currentMentionStartIndex) + "@" + mention.displayName + " "
inputBar.text = newText
inputBar.inputBarEditText.setSelection(newText.length)
currentMentionStartIndex = -1
hideMentionCandidates()
this.previousText = newText
}
override fun send() {
}