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204 lines
7.6 KiB
Kotlin
204 lines
7.6 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.onboarding.view
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import androidx.compose.foundation.Image
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import androidx.compose.foundation.background
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import androidx.compose.foundation.layout.Arrangement
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import androidx.compose.foundation.layout.BoxWithConstraints
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import androidx.compose.foundation.layout.BoxWithConstraintsScope
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.Spacer
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import androidx.compose.foundation.layout.fillMaxSize
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import androidx.compose.foundation.layout.height
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import androidx.compose.foundation.layout.padding
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import androidx.compose.foundation.rememberScrollState
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import androidx.compose.foundation.verticalScroll
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import androidx.compose.material.Icon
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import androidx.compose.material.IconButton
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import androidx.compose.material.Text
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.LaunchedEffect
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.res.painterResource
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import androidx.compose.ui.res.stringResource
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import androidx.compose.ui.text.style.TextAlign
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import androidx.compose.ui.unit.Dp
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import androidx.compose.ui.unit.dp
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import org.mozilla.fenix.R
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import org.mozilla.fenix.compose.LinkText
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import org.mozilla.fenix.compose.annotation.LightDarkPreview
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import org.mozilla.fenix.compose.button.PrimaryButton
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import org.mozilla.fenix.compose.button.SecondaryButton
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import org.mozilla.fenix.theme.FirefoxTheme
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/**
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* The ratio of the image height to the parent height. This was determined from the designs in figma
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* taking the ratio of the image height to the mockup height.
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*/
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private const val IMAGE_HEIGHT_RATIO_DEFAULT = 0.4f
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/**
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* The ratio of the image height to the parent height for medium sized devices.
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*/
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private const val IMAGE_HEIGHT_RATIO_MEDIUM = 0.36f
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/**
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* The ratio of the image height to the parent height for small devices like Nexus 4, Nexus 1.
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*/
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private const val IMAGE_HEIGHT_RATIO_SMALL = 0.28f
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/**
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* A composable for displaying onboarding page content.
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*
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* @param pageState [OnboardingPageState] The page content that's displayed.
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* @param modifier The modifier to be applied to the Composable.
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* @param onDismiss Invoked when the user clicks the close button. This defaults to null. When null,
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* it doesn't show the close button.
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*/
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@Composable
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@Suppress("LongMethod")
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fun OnboardingPage(
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pageState: OnboardingPageState,
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modifier: Modifier = Modifier,
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onDismiss: (() -> Unit)? = null,
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) {
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BoxWithConstraints(
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modifier = Modifier
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.background(FirefoxTheme.colors.layer1)
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.padding(bottom = if (pageState.secondaryButton == null) 32.dp else 24.dp)
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.then(modifier),
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) {
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val boxWithConstraintsScope = this
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Column(
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modifier = Modifier
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.fillMaxSize()
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.verticalScroll(rememberScrollState()),
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horizontalAlignment = Alignment.CenterHorizontally,
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verticalArrangement = Arrangement.SpaceBetween,
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) {
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if (onDismiss != null) {
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IconButton(
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onClick = onDismiss,
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modifier = Modifier.align(Alignment.End),
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) {
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Icon(
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painter = painterResource(id = R.drawable.mozac_ic_cross_24),
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contentDescription = stringResource(R.string.onboarding_home_content_description_close_button),
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tint = FirefoxTheme.colors.iconPrimary,
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)
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}
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} else {
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Spacer(Modifier)
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}
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Column(
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modifier = Modifier.padding(horizontal = 16.dp, vertical = 32.dp),
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horizontalAlignment = Alignment.CenterHorizontally,
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) {
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Image(
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painter = painterResource(id = pageState.imageRes),
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contentDescription = null,
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modifier = Modifier.height(imageHeight(boxWithConstraintsScope)),
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)
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Spacer(modifier = Modifier.height(32.dp))
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Text(
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text = pageState.title,
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color = FirefoxTheme.colors.textPrimary,
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textAlign = TextAlign.Center,
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style = FirefoxTheme.typography.headline5,
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)
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Spacer(modifier = Modifier.height(16.dp))
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Text(
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text = pageState.description,
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color = FirefoxTheme.colors.textSecondary,
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textAlign = TextAlign.Center,
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style = FirefoxTheme.typography.body2,
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)
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Spacer(modifier = Modifier.height(16.dp))
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pageState.privacyCaption?.let { privacyCaption ->
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LinkText(
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text = privacyCaption.text,
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linkTextStates = listOf(privacyCaption.linkTextState),
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)
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}
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}
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Column(
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horizontalAlignment = Alignment.CenterHorizontally,
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modifier = Modifier.padding(horizontal = 16.dp),
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) {
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PrimaryButton(
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text = pageState.primaryButton.text,
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onClick = pageState.primaryButton.onClick,
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)
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if (pageState.secondaryButton != null) {
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Spacer(modifier = Modifier.height(8.dp))
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SecondaryButton(
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text = pageState.secondaryButton.text,
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onClick = pageState.secondaryButton.onClick,
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)
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}
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}
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LaunchedEffect(pageState) {
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pageState.onRecordImpressionEvent()
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}
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}
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}
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}
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/**
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* Calculates the image height to be set. The ratio is selected based on parent height.
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*/
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private fun imageHeight(boxWithConstraintsScope: BoxWithConstraintsScope): Dp {
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val imageHeightRatio: Float = when {
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boxWithConstraintsScope.maxHeight <= 550.dp -> IMAGE_HEIGHT_RATIO_SMALL
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boxWithConstraintsScope.maxHeight <= 650.dp -> IMAGE_HEIGHT_RATIO_MEDIUM
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else -> IMAGE_HEIGHT_RATIO_DEFAULT
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}
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return boxWithConstraintsScope.maxHeight.times(imageHeightRatio)
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}
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@LightDarkPreview
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@Composable
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private fun OnboardingPagePreview() {
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FirefoxTheme {
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OnboardingPage(
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pageState = OnboardingPageState(
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imageRes = R.drawable.ic_notification_permission,
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title = stringResource(
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id = R.string.onboarding_home_enable_notifications_title,
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formatArgs = arrayOf(stringResource(R.string.app_name)),
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),
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description = stringResource(
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id = R.string.onboarding_home_enable_notifications_description,
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formatArgs = arrayOf(stringResource(R.string.app_name)),
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),
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primaryButton = Action(
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text = stringResource(
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id = R.string.onboarding_home_enable_notifications_positive_button,
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),
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onClick = {},
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),
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secondaryButton = Action(
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text = stringResource(id = R.string.onboarding_home_enable_notifications_negative_button),
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onClick = {},
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),
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onRecordImpressionEvent = {},
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),
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onDismiss = {},
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)
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}
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}
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