element-x-android/features/verifysession/impl/src/main/kotlin/io/element/android/features/verifysession/impl/VerifySelfSessionView.kt

318 lines
13 KiB
Kotlin

/*
* Copyright (c) 2023 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.element.android.features.verifysession.impl
import androidx.activity.compose.BackHandler
import androidx.compose.foundation.background
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.size
import androidx.compose.foundation.layout.systemBarsPadding
import androidx.compose.foundation.rememberScrollState
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.foundation.verticalScroll
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.TextButton
import androidx.compose.runtime.Composable
import androidx.compose.runtime.derivedStateOf
import androidx.compose.runtime.getValue
import androidx.compose.runtime.remember
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.composed
import androidx.compose.ui.platform.LocalConfiguration
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.text.style.TextAlign
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.tooling.preview.PreviewParameter
import androidx.compose.ui.unit.Dp
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import com.google.accompanist.flowlayout.FlowRow
import com.google.accompanist.flowlayout.MainAxisAlignment
import io.element.android.libraries.architecture.Async
import io.element.android.libraries.designsystem.ElementTextStyles
import io.element.android.libraries.designsystem.components.button.ButtonWithProgress
import io.element.android.libraries.designsystem.preview.ElementPreviewDark
import io.element.android.libraries.designsystem.preview.ElementPreviewLight
import io.element.android.libraries.designsystem.theme.LocalColors
import io.element.android.libraries.designsystem.theme.components.Button
import io.element.android.libraries.designsystem.theme.components.CircularProgressIndicator
import io.element.android.libraries.designsystem.theme.components.Icon
import io.element.android.libraries.designsystem.theme.components.Surface
import io.element.android.libraries.designsystem.theme.components.Text
import io.element.android.features.verifysession.impl.VerifySelfSessionState.VerificationStep as FlowStep
import io.element.android.libraries.ui.strings.R as StringR
@Composable
fun VerifySelfSessionView(
state: VerifySelfSessionState,
modifier: Modifier = Modifier,
goBack: () -> Unit,
) {
fun goBackAndCancelIfNeeded() {
state.eventSink(VerifySelfSessionViewEvents.CancelAndClose)
goBack()
}
if (state.verificationFlowStep is FlowStep.Completed) {
goBack()
}
BackHandler {
goBackAndCancelIfNeeded()
}
val verificationFlowStep = state.verificationFlowStep
val buttonsVisible by remember(verificationFlowStep) {
derivedStateOf { verificationFlowStep != FlowStep.AwaitingOtherDeviceResponse && verificationFlowStep != FlowStep.Completed }
}
Surface {
Column(modifier = modifier.systemBarsPadding()) {
Column(
modifier = Modifier
.fillMaxWidth()
.weight(1f)
.padding(horizontal = 20.dp)
) {
HeaderContent(verificationFlowStep = verificationFlowStep)
Content(modifier = Modifier.weight(1f), flowState = verificationFlowStep)
}
if (buttonsVisible) {
BottomMenu(screenState = state, goBack = ::goBackAndCancelIfNeeded)
}
}
}
}
@Composable
internal fun HeaderContent(verificationFlowStep: FlowStep, modifier: Modifier = Modifier) {
val iconResourceId = when (verificationFlowStep) {
FlowStep.Initial -> R.drawable.ic_verification_devices
FlowStep.Canceled -> R.drawable.ic_verification_warning
FlowStep.AwaitingOtherDeviceResponse -> R.drawable.ic_verification_waiting
FlowStep.Ready, is FlowStep.Verifying, FlowStep.Completed -> R.drawable.ic_verification_emoji
}
val titleTextId = when (verificationFlowStep) {
FlowStep.Initial -> StringR.string.verification_title_initial
FlowStep.Canceled -> StringR.string.verification_title_canceled
FlowStep.AwaitingOtherDeviceResponse -> StringR.string.verification_title_waiting
FlowStep.Ready, is FlowStep.Verifying, FlowStep.Completed -> StringR.string.verification_title_verifying
}
val subtitleTextId = when (verificationFlowStep) {
FlowStep.Initial -> StringR.string.verification_subtitle_initial
FlowStep.Canceled -> StringR.string.verification_subtitle_canceled
FlowStep.AwaitingOtherDeviceResponse -> StringR.string.verification_subtitle_waiting
FlowStep.Ready, is FlowStep.Verifying, FlowStep.Completed -> StringR.string.verification_subtitle_verifying
}
Column(modifier) {
Spacer(Modifier.height(80.dp))
Box(
modifier = Modifier
.size(width = 70.dp, height = 70.dp)
.align(Alignment.CenterHorizontally)
.background(
color = LocalColors.current.quinary,
shape = RoundedCornerShape(14.dp)
)
) {
Spacer(modifier = Modifier.height(68.dp))
Icon(
modifier = Modifier
.align(Alignment.Center)
.size(width = 48.dp, height = 48.dp),
tint = MaterialTheme.colorScheme.secondary,
resourceId = iconResourceId,
contentDescription = "",
)
}
Spacer(modifier = Modifier.height(16.dp))
Text(
text = stringResource(id = titleTextId),
modifier = Modifier
.fillMaxWidth()
.align(Alignment.CenterHorizontally),
textAlign = TextAlign.Center,
style = ElementTextStyles.Bold.title2,
color = MaterialTheme.colorScheme.primary,
)
Spacer(Modifier.height(8.dp))
Text(
text = stringResource(id = subtitleTextId),
modifier = Modifier.fillMaxWidth(),
textAlign = TextAlign.Center,
style = ElementTextStyles.Regular.subheadline,
color = MaterialTheme.colorScheme.secondary,
)
}
}
@Composable
internal fun Content(flowState: FlowStep, modifier: Modifier = Modifier) {
Column(modifier, verticalArrangement = Arrangement.Center) {
Spacer(Modifier.shrinkableHeight(min = 20.dp, max = 56.dp))
when (flowState) {
FlowStep.Initial, FlowStep.Ready, FlowStep.Canceled, FlowStep.Completed -> Unit
FlowStep.AwaitingOtherDeviceResponse -> ContentWaiting()
is FlowStep.Verifying -> ContentVerifying(flowState)
}
Spacer(Modifier.shrinkableHeight(min = 20.dp, max = 56.dp))
}
}
@Composable
internal fun ContentWaiting(modifier: Modifier = Modifier) {
Row(modifier = modifier.fillMaxWidth(), horizontalArrangement = Arrangement.Center) {
CircularProgressIndicator()
}
}
@Composable
internal fun ContentVerifying(verificationFlowStep: FlowStep.Verifying, modifier: Modifier = Modifier) {
FlowRow(
modifier = modifier
.fillMaxWidth()
.verticalScroll(rememberScrollState()),
mainAxisAlignment = MainAxisAlignment.Center,
mainAxisSpacing = 32.dp,
crossAxisSpacing = 40.dp
) {
for (entry in verificationFlowStep.emojiList) {
Column(horizontalAlignment = Alignment.CenterHorizontally) {
Text(entry.code, fontSize = 34.sp)
Spacer(modifier = Modifier.height(16.dp))
Text(
entry.name,
style = ElementTextStyles.Regular.bodyMD,
color = MaterialTheme.colorScheme.secondary,
)
}
}
}
}
@Composable
internal fun BottomMenu(screenState: VerifySelfSessionState, goBack: () -> Unit) {
val verificationViewState = screenState.verificationFlowStep
val eventSink = screenState.eventSink
val isVerifying = (verificationViewState as? FlowStep.Verifying)?.state is Async.Loading<Unit>
val positiveButtonTitle = when (verificationViewState) {
FlowStep.Initial -> StringR.string.verification_positive_button_initial
FlowStep.Canceled -> StringR.string.verification_positive_button_canceled
is FlowStep.Verifying -> {
if (isVerifying) {
StringR.string.verification_positive_button_verifying_ongoing
} else {
StringR.string.verification_positive_button_verifying_start
}
}
FlowStep.Ready -> StringR.string.verification_positive_button_ready
else -> null
}
val negativeButtonTitle = when (verificationViewState) {
FlowStep.Initial -> StringR.string.verification_negative_button_initial
FlowStep.Canceled -> StringR.string.verification_negative_button_canceled
is FlowStep.Verifying -> StringR.string.verification_negative_button_verifying
else -> null
}
val negativeButtonEnabled = !isVerifying
val positiveButtonEvent = when (verificationViewState) {
FlowStep.Initial -> VerifySelfSessionViewEvents.RequestVerification
FlowStep.Ready -> VerifySelfSessionViewEvents.StartSasVerification
is FlowStep.Verifying -> if (!isVerifying) VerifySelfSessionViewEvents.ConfirmVerification else null
FlowStep.Canceled -> VerifySelfSessionViewEvents.Restart
else -> null
}
val negativeButtonCallback: () -> Unit = when (verificationViewState) {
is FlowStep.Verifying -> {
{ eventSink(VerifySelfSessionViewEvents.DeclineVerification) }
}
else -> goBack
}
Column(
modifier = Modifier
.fillMaxWidth()
.padding(horizontal = 20.dp),
horizontalAlignment = Alignment.CenterHorizontally
) {
if (isVerifying) {
ButtonWithProgress(
modifier = Modifier.fillMaxWidth(),
onClick = { positiveButtonEvent?.let { eventSink(it) } }
) {
positiveButtonTitle?.let { Text(stringResource(it), style = ElementTextStyles.Button) }
}
} else {
Button(
modifier = Modifier.fillMaxWidth(),
onClick = { positiveButtonEvent?.let { eventSink(it) } }
) {
positiveButtonTitle?.let { Text(stringResource(it), style = ElementTextStyles.Button) }
}
}
if (negativeButtonTitle != null) {
Spacer(modifier = Modifier.height(16.dp))
TextButton(
modifier = Modifier.fillMaxWidth(),
onClick = negativeButtonCallback,
enabled = negativeButtonEnabled,
) {
Text(stringResource(negativeButtonTitle), fontSize = 16.sp)
}
}
Spacer(Modifier.height(40.dp))
}
}
@Preview
@Composable
fun VerifySelfSessionViewLightPreview(@PreviewParameter(VerifySelfSessionStateProvider::class) state: VerifySelfSessionState) =
ElementPreviewLight { ContentToPreview(state) }
@Preview
@Composable
fun VerifySelfSessionViewDarkPreview(@PreviewParameter(VerifySelfSessionStateProvider::class) state: VerifySelfSessionState) =
ElementPreviewDark { ContentToPreview(state) }
@Composable
private fun ContentToPreview(state: VerifySelfSessionState) {
VerifySelfSessionView(
state = state,
goBack = {},
)
}
private fun Modifier.shrinkableHeight(
min: Dp,
max: Dp,
minScreenHeight: Int = 720
): Modifier = composed {
if (LocalConfiguration.current.screenHeightDp >= minScreenHeight) {
then(Modifier.height(max))
} else {
then(Modifier.height(min))
}
}