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Merge pull request #213 from ouchadam/tech/bubble-components
Tech/bubble components
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design-library/src/main/kotlin/app/dapk/st/design/components/AlignedContainer.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| package app.dapk.st.design.components | ||
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| import androidx.compose.animation.core.Animatable | ||
| import androidx.compose.foundation.gestures.Orientation | ||
| import androidx.compose.foundation.gestures.draggable | ||
| import androidx.compose.foundation.gestures.rememberDraggableState | ||
| import androidx.compose.foundation.layout.* | ||
| import androidx.compose.foundation.lazy.LazyItemScope | ||
| import androidx.compose.foundation.shape.RoundedCornerShape | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.remember | ||
| import androidx.compose.runtime.rememberCoroutineScope | ||
| import androidx.compose.ui.Alignment | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.graphics.Color | ||
| import androidx.compose.ui.platform.LocalConfiguration | ||
| import androidx.compose.ui.platform.LocalDensity | ||
| import androidx.compose.ui.unit.IntOffset | ||
| import androidx.compose.ui.unit.dp | ||
| import kotlinx.coroutines.launch | ||
| import kotlin.math.roundToInt | ||
|
|
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| private val selfBackgroundShape = RoundedCornerShape(12.dp, 0.dp, 12.dp, 12.dp) | ||
| private val othersBackgroundShape = RoundedCornerShape(0.dp, 12.dp, 12.dp, 12.dp) | ||
|
|
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| data class BubbleMeta( | ||
| val shape: RoundedCornerShape, | ||
| val background: Color, | ||
| val isSelf: Boolean, | ||
| ) | ||
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| fun BubbleMeta.isNotSelf() = !this.isSelf | ||
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| @Composable | ||
| fun LazyItemScope.AlignedDraggableContainer( | ||
| avatar: Avatar, | ||
| isSelf: Boolean, | ||
| wasPreviousMessageSameSender: Boolean, | ||
| onReply: () -> Unit, | ||
| content: @Composable BubbleMeta.() -> Unit | ||
| ) { | ||
| val rowWithMeta = @Composable { | ||
| DraggableRow( | ||
| avatar = avatar, | ||
| isSelf = isSelf, | ||
| wasPreviousMessageSameSender = wasPreviousMessageSameSender, | ||
| onReply = { onReply() } | ||
| ) { | ||
| content( | ||
| when (isSelf) { | ||
| true -> BubbleMeta(selfBackgroundShape, SmallTalkTheme.extendedColors.selfBubble, isSelf = true) | ||
| false -> BubbleMeta(othersBackgroundShape, SmallTalkTheme.extendedColors.othersBubble, isSelf = false) | ||
| } | ||
| ) | ||
| } | ||
| } | ||
|
|
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| when (isSelf) { | ||
| true -> SelfContainer(rowWithMeta) | ||
| false -> OtherContainer(rowWithMeta) | ||
| } | ||
| } | ||
|
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| @Composable | ||
| private fun LazyItemScope.OtherContainer(content: @Composable () -> Unit) { | ||
| Box(modifier = Modifier.Companion.fillParentMaxWidth(0.95f), contentAlignment = Alignment.TopStart) { | ||
| content() | ||
| } | ||
| } | ||
|
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| @Composable | ||
| private fun LazyItemScope.SelfContainer(content: @Composable () -> Unit) { | ||
| Box(modifier = Modifier.Companion.fillParentMaxWidth(), contentAlignment = Alignment.TopEnd) { | ||
| Box(modifier = Modifier.Companion.fillParentMaxWidth(0.85f), contentAlignment = Alignment.TopEnd) { | ||
| content() | ||
| } | ||
| } | ||
| } | ||
|
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| @Composable | ||
| private fun DraggableRow( | ||
| isSelf: Boolean, | ||
| wasPreviousMessageSameSender: Boolean, | ||
| onReply: () -> Unit, | ||
| avatar: Avatar, | ||
| content: @Composable () -> Unit | ||
| ) { | ||
|
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| val screenWidthDp = LocalConfiguration.current.screenWidthDp.dp | ||
| val localDensity = LocalDensity.current | ||
|
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| val coroutineScope = rememberCoroutineScope() | ||
| val offsetX = remember { Animatable(0f) } | ||
|
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| Row( | ||
| Modifier.padding(horizontal = 12.dp) | ||
| .offset { IntOffset(offsetX.value.roundToInt(), 0) } | ||
| .draggable( | ||
| orientation = Orientation.Horizontal, | ||
| state = rememberDraggableState { | ||
| if ((offsetX.value + it) > 0) { | ||
| coroutineScope.launch { offsetX.snapTo(offsetX.value + it) } | ||
| } | ||
| }, | ||
| onDragStopped = { | ||
| with(localDensity) { | ||
| if (offsetX.value > (screenWidthDp.toPx() * 0.15)) { | ||
| onReply() | ||
| } | ||
| } | ||
|
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| coroutineScope.launch { | ||
| offsetX.animateTo(targetValue = 0f) | ||
| } | ||
| } | ||
| ) | ||
| ) { | ||
| when (isSelf) { | ||
| true -> { | ||
| // do nothing | ||
| } | ||
|
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| false -> SenderAvatar(wasPreviousMessageSameSender, avatar) | ||
| } | ||
| content() | ||
| } | ||
| } | ||
|
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| @Composable | ||
| private fun SenderAvatar(wasPreviousMessageSameSender: Boolean, avatar: Avatar) { | ||
| val displayImageSize = 32.dp | ||
| when { | ||
| wasPreviousMessageSameSender -> { | ||
| Spacer(modifier = Modifier.width(displayImageSize)) | ||
| } | ||
|
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| avatar.url == null -> { | ||
| MissingAvatarIcon(avatar.name, displayImageSize) | ||
| } | ||
|
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| else -> { | ||
| MessengerUrlIcon(avatar.url, displayImageSize) | ||
| } | ||
| } | ||
| } | ||
|
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| data class Avatar(val url: String?, val name: String) |
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