1 files changed, 233 insertions, 0 deletions
diff --git a/PermissionController/src/com/android/permissioncontroller/permission/ui/wear/elements/ToggleChip.kt b/PermissionController/src/com/android/permissioncontroller/permission/ui/wear/elements/ToggleChip.kt
new file mode 100644
index 000000000..9a8a29bc3
--- /dev/null
+++ b/PermissionController/src/com/android/permissioncontroller/permission/ui/wear/elements/ToggleChip.kt
@@ -0,0 +1,233 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * 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 com.android.permissioncontroller.permission.ui.wear.elements
+
+import androidx.compose.foundation.interaction.MutableInteractionSource
+import androidx.compose.foundation.layout.BoxScope
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.RowScope
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.compositeOver
+import androidx.compose.ui.platform.LocalConfiguration
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.semantics.semantics
+import androidx.compose.ui.semantics.stateDescription
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.wear.compose.material.ChipDefaults
+import androidx.wear.compose.material.ContentAlpha
+import androidx.wear.compose.material.MaterialTheme
+import androidx.wear.compose.material.Text
+import androidx.wear.compose.material.ToggleChip
+import androidx.wear.compose.material.ToggleChipColors
+import androidx.wear.compose.material.ToggleChipDefaults
+import androidx.wear.compose.material.contentColorFor
+import com.android.permissioncontroller.R
+
+/**
+ * This component is an alternative to [ToggleChip], providing the following:
+ * - a convenient way of providing a label and a secondary label;
+ * - a convenient way of choosing the toggle control;
+ * - a convenient way of providing an icon and setting the icon to be mirrored in RTL mode;
+ */
+@Composable
+public fun ToggleChip(
+    checked: Boolean,
+    onCheckedChanged: (Boolean) -> Unit,
+    label: String,
+    labelMaxLine: Int? = null,
+    toggleControl: ToggleChipToggleControl,
+    modifier: Modifier = Modifier,
+    icon: Any? = null,
+    iconColor: Color = Color.Unspecified,
+    iconRtlMode: IconRtlMode = IconRtlMode.Default,
+    secondaryLabel: String? = null,
+    secondaryLabelMaxLine: Int? = null,
+    colors: ToggleChipColors = ToggleChipDefaults.toggleChipColors(),
+    enabled: Boolean = true,
+    interactionSource: MutableInteractionSource = remember { MutableInteractionSource() }
+) {
+    val hasSecondaryLabel = secondaryLabel != null
+
+    val labelParam: (@Composable RowScope.() -> Unit) = {
+        Text(
+            text = label,
+            modifier = Modifier.fillMaxWidth(),
+            textAlign = TextAlign.Start,
+            overflow = TextOverflow.Ellipsis,
+            maxLines = labelMaxLine ?: if (hasSecondaryLabel) 1 else 2,
+            style = MaterialTheme.typography.button
+        )
+    }
+
+    val secondaryLabelParam: (@Composable RowScope.() -> Unit)? =
+        secondaryLabel?.let {
+            {
+                Text(
+                    text = secondaryLabel,
+                    overflow = TextOverflow.Ellipsis,
+                    maxLines = secondaryLabelMaxLine ?: 1,
+                    style = MaterialTheme.typography.caption2
+                )
+            }
+        }
+
+    val toggleControlParam: (@Composable () -> Unit) = {
+        Icon(
+            imageVector =
+                when (toggleControl) {
+                    ToggleChipToggleControl.Switch -> ToggleChipDefaults.switchIcon(checked)
+                    ToggleChipToggleControl.Radio -> ToggleChipDefaults.radioIcon(checked)
+                    ToggleChipToggleControl.Checkbox -> ToggleChipDefaults.checkboxIcon(checked)
+                },
+            contentDescription = null,
+            // This potentially be removed once this issue is addressed:
+            // https://issuetracker.google.com/issues/287087138
+            rtlMode =
+                if (toggleControl == ToggleChipToggleControl.Switch) {
+                    IconRtlMode.Mirrored
+                } else {
+                    IconRtlMode.Default
+                }
+        )
+    }
+
+    val iconParam: (@Composable BoxScope.() -> Unit)? =
+        icon?.let {
+            {
+                Row {
+                    Icon(
+                        icon = icon,
+                        tint = iconColor,
+                        contentDescription = null,
+                        modifier = Modifier.size(ChipDefaults.IconSize).clip(CircleShape),
+                        rtlMode = iconRtlMode
+                    )
+                }
+            }
+        }
+
+    val stateDescriptionSemantics =
+        stringResource(
+            if (checked) {
+                R.string.on
+            } else {
+                R.string.off
+            }
+        )
+    ToggleChip(
+        checked = checked,
+        onCheckedChange = onCheckedChanged,
+        label = labelParam,
+        toggleControl = toggleControlParam,
+        modifier =
+            modifier
+                .adjustChipHeightToFontScale(LocalConfiguration.current.fontScale)
+                .fillMaxWidth()
+                .semantics { stateDescription = stateDescriptionSemantics },
+        appIcon = iconParam,
+        secondaryLabel = secondaryLabelParam,
+        colors = colors,
+        enabled = enabled,
+        interactionSource = interactionSource
+    )
+}
+
+/**
+ * ToggleChipColors that disabled alpha is applied based on [ToggleChipDefaults.toggleChipColors()].
+ * It is used for a ToggleChip which would like to respond to click events, meanwhile it seems
+ * disabled.
+ */
+@Composable
+fun toggleChipDisabledColors(): ToggleChipColors {
+    val checkedStartBackgroundColor =
+        MaterialTheme.colors.surface.copy(alpha = 0f).compositeOver(MaterialTheme.colors.surface)
+    val checkedEndBackgroundColor =
+        MaterialTheme.colors.primary.copy(alpha = 0.5f).compositeOver(MaterialTheme.colors.surface)
+    val checkedContentColor = MaterialTheme.colors.onSurface
+    val checkedSecondaryContentColor = MaterialTheme.colors.onSurfaceVariant
+    val checkedToggleControlColor = MaterialTheme.colors.secondary
+    val uncheckedStartBackgroundColor = MaterialTheme.colors.surface
+    val uncheckedEndBackgroundColor = uncheckedStartBackgroundColor
+    val uncheckedContentColor = contentColorFor(checkedEndBackgroundColor)
+    val uncheckedSecondaryContentColor = uncheckedContentColor
+    val uncheckedToggleControlColor = uncheckedContentColor
+
+    return ToggleChipDefaults.toggleChipColors(
+        checkedStartBackgroundColor =
+            checkedStartBackgroundColor.copy(alpha = ContentAlpha.disabled),
+        checkedEndBackgroundColor = checkedEndBackgroundColor.copy(alpha = ContentAlpha.disabled),
+        checkedContentColor = checkedContentColor.copy(alpha = ContentAlpha.disabled),
+        checkedSecondaryContentColor =
+            checkedSecondaryContentColor.copy(alpha = ContentAlpha.disabled),
+        checkedToggleControlColor = checkedToggleControlColor.copy(alpha = ContentAlpha.disabled),
+        uncheckedStartBackgroundColor =
+            uncheckedStartBackgroundColor.copy(alpha = ContentAlpha.disabled),
+        uncheckedEndBackgroundColor =
+            uncheckedEndBackgroundColor.copy(alpha = ContentAlpha.disabled),
+        uncheckedContentColor = uncheckedContentColor.copy(alpha = ContentAlpha.disabled),
+        uncheckedSecondaryContentColor =
+            uncheckedSecondaryContentColor.copy(alpha = ContentAlpha.disabled),
+        uncheckedToggleControlColor =
+            uncheckedToggleControlColor.copy(alpha = ContentAlpha.disabled)
+    )
+}
+
+/**
+ * ToggleChipColors that theme background color is applied based on
+ * [ToggleChipDefaults.toggleChipColors()]. It is used for a ToggleChip having the same background
+ * color of the screen.
+ */
+@Composable
+fun toggleChipBackgroundColors(): ToggleChipColors {
+    val checkedStartBackgroundColor =
+        MaterialTheme.colors.background
+            .copy(alpha = 0f)
+            .compositeOver(MaterialTheme.colors.background)
+    val checkedEndBackgroundColor =
+        MaterialTheme.colors.primary
+            .copy(alpha = 0.5f)
+            .compositeOver(MaterialTheme.colors.background)
+    val checkedContentColor = MaterialTheme.colors.onBackground
+    val checkedSecondaryContentColor = MaterialTheme.colors.onSurfaceVariant
+    val checkedToggleControlColor = MaterialTheme.colors.secondary
+    val uncheckedStartBackgroundColor = MaterialTheme.colors.background
+    val uncheckedEndBackgroundColor = uncheckedStartBackgroundColor
+    val uncheckedContentColor = contentColorFor(checkedEndBackgroundColor)
+    val uncheckedSecondaryContentColor = uncheckedContentColor
+    val uncheckedToggleControlColor = uncheckedContentColor
+
+    return ToggleChipDefaults.toggleChipColors(
+        checkedStartBackgroundColor = checkedStartBackgroundColor,
+        checkedEndBackgroundColor = checkedEndBackgroundColor,
+        checkedContentColor = checkedContentColor,
+        checkedSecondaryContentColor = checkedSecondaryContentColor,
+        checkedToggleControlColor = checkedToggleControlColor,
+        uncheckedStartBackgroundColor = uncheckedStartBackgroundColor,
+        uncheckedEndBackgroundColor = uncheckedEndBackgroundColor,
+        uncheckedContentColor = uncheckedContentColor,
+        uncheckedSecondaryContentColor = uncheckedSecondaryContentColor,
+        uncheckedToggleControlColor = uncheckedToggleControlColor
+    )
+}