Implementation samples for Glimmer Button component

/*
 * Copyright 2025 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 androidx.xr.glimmer.samples

import androidx.annotation.Sampled
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.wrapContentSize
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.tooling.preview.Preview
import androidx.xr.glimmer.Button
import androidx.xr.glimmer.ButtonDefaults
import androidx.xr.glimmer.ButtonSize
import androidx.xr.glimmer.GlimmerTheme
import androidx.xr.glimmer.Icon
import androidx.xr.glimmer.Text
import androidx.xr.glimmer.list.GlimmerLazyColumn

@Composable
fun ButtonSampleUsage() {
    GlimmerLazyColumn(
        horizontalAlignment = Alignment.CenterHorizontally,
        modifier = Modifier.fillMaxSize().wrapContentSize(Alignment.Center),
    ) {
        item { ButtonSample() }
        item { ButtonWithLeadingIconSample() }
        item { ButtonWithTrailingIconSample() }
        item { ButtonWithLeadingAndTrailingIconSample() }
        item { LargeButtonSample() }
        item { LargeButtonWithLeadingIconSample() }
        item { LargeButtonWithTrailingIconSample() }
        item { LargeButtonWithLeadingAndTrailingIconSample() }
        item { CustomFocusedColorButtonSample() }
    }
}

@Sampled
@Composable
fun ButtonSample() {
    Button(onClick = {}) { Text("Send") }
}

@Sampled
@Composable
fun ButtonWithLeadingIconSample() {
    Button(onClick = {}, leadingIcon = { Icon(FavoriteIcon, "Localized description") }) {
        Text("Send")
    }
}

@Composable
private fun ButtonWithTrailingIconSample() {
    Button(onClick = {}, trailingIcon = { Icon(FavoriteIcon, "Localized description") }) {
        Text("Send")
    }
}

@Composable
private fun ButtonWithLeadingAndTrailingIconSample() {
    Button(
        onClick = {},
        leadingIcon = { Icon(FavoriteIcon, "Localized description") },
        trailingIcon = { Icon(FavoriteIcon, "Localized description") },
    ) {
        Text("Send")
    }
}

@Sampled
@Composable
fun LargeButtonSample() {
    Button(onClick = {}, buttonSize = ButtonSize.Large) { Text("Send") }
}

@Composable
private fun LargeButtonWithLeadingIconSample() {
    Button(
        onClick = {},
        buttonSize = ButtonSize.Large,
        leadingIcon = { Icon(FavoriteIcon, "Localized description") },
    ) {
        Text("Send")
    }
}

@Composable
private fun LargeButtonWithTrailingIconSample() {
    Button(
        onClick = {},
        buttonSize = ButtonSize.Large,
        trailingIcon = { Icon(FavoriteIcon, "Localized description") },
    ) {
        Text("Send")
    }
}

@Composable
private fun LargeButtonWithLeadingAndTrailingIconSample() {
    Button(
        onClick = {},
        buttonSize = ButtonSize.Large,
        leadingIcon = { Icon(FavoriteIcon, "Localized description") },
        trailingIcon = { Icon(FavoriteIcon, "Localized description") },
    ) {
        Text("Send")
    }
}

@Sampled
@Composable
fun CustomFocusedColorButtonSample() {
    Button(
        onClick = {},
        focusedColor = ButtonDefaults.focusedColor(Color(0xFF34E0A1)),
    ) {
        Text("Button with custom colors")
    }
}

@Preview
@Composable
private fun ButtonPreview() {
    GlimmerTheme { ButtonSample() }
}

@Preview
@Composable
private fun ButtonWithLeadingIconPreview() {
    GlimmerTheme { ButtonWithLeadingIconSample() }
}

@Preview
@Composable
private fun ButtonWithTrailingIconPreview() {
    GlimmerTheme { ButtonWithTrailingIconSample() }
}

@Preview
@Composable
private fun ButtonWithLeadingAndTrailingIconPreview() {
    GlimmerTheme { ButtonWithLeadingAndTrailingIconSample() }
}

@Preview
@Composable
private fun LargeButtonPreview() {
    GlimmerTheme { LargeButtonSample() }
}

@Preview
@Composable
private fun LargeButtonWithLeadingIconPreview() {
    GlimmerTheme { LargeButtonWithLeadingIconSample() }
}

@Preview
@Composable
private fun LargeButtonWithTrailingIconPreview() {
    GlimmerTheme { LargeButtonWithTrailingIconSample() }
}

@Preview
@Composable
private fun LargeButtonWithLeadingAndTrailingIconPreview() {
    GlimmerTheme { LargeButtonWithLeadingAndTrailingIconSample() }
}

@Preview
@Composable
private fun CustomFocusedColorButtonPreview() {
    GlimmerTheme { CustomFocusedColorButtonSample() }
}
ButtonSamples.kt