120 lines
4.5 KiB
Kotlin
120 lines
4.5 KiB
Kotlin
/* Copyright 2019 Tusky Contributors
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky.components.compose.dialog
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import android.app.Activity
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import android.content.DialogInterface
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import android.graphics.drawable.Drawable
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import android.net.Uri
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import android.text.InputFilter
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import android.text.InputType
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import android.view.WindowManager
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import android.widget.EditText
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import android.widget.LinearLayout
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import android.widget.Toast
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import androidx.appcompat.app.AlertDialog
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import androidx.lifecycle.LifecycleOwner
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import androidx.lifecycle.LiveData
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import at.connyduck.sparkbutton.helpers.Utils
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import com.bumptech.glide.Glide
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import com.bumptech.glide.load.resource.bitmap.DownsampleStrategy
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import com.bumptech.glide.request.target.CustomTarget
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import com.bumptech.glide.request.transition.Transition
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import com.github.chrisbanes.photoview.PhotoView
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import com.keylesspalace.tusky.R
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import com.keylesspalace.tusky.util.withLifecycleContext
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// https://github.com/tootsuite/mastodon/blob/c6904c0d3766a2ea8a81ab025c127169ecb51373/app/models/media_attachment.rb#L32
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private const val MEDIA_DESCRIPTION_CHARACTER_LIMIT = 1500
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fun <T> T.makeCaptionDialog(
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existingDescription: String?,
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previewUri: Uri,
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onUpdateDescription: (String) -> LiveData<Boolean>
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) where T : Activity, T : LifecycleOwner {
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val dialogLayout = LinearLayout(this)
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val padding = Utils.dpToPx(this, 8)
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dialogLayout.setPadding(padding, padding, padding, padding)
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dialogLayout.orientation = LinearLayout.VERTICAL
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val imageView = PhotoView(this).apply {
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maximumScale = 6f
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}
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val margin = Utils.dpToPx(this, 4)
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dialogLayout.addView(imageView)
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(imageView.layoutParams as LinearLayout.LayoutParams).weight = 1f
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imageView.layoutParams.height = 0
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(imageView.layoutParams as LinearLayout.LayoutParams).setMargins(0, margin, 0, 0)
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val input = EditText(this)
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input.hint = resources.getQuantityString(
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R.plurals.hint_describe_for_visually_impaired,
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MEDIA_DESCRIPTION_CHARACTER_LIMIT, MEDIA_DESCRIPTION_CHARACTER_LIMIT
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)
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dialogLayout.addView(input)
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(input.layoutParams as LinearLayout.LayoutParams).setMargins(margin, margin, margin, margin)
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input.setLines(2)
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input.inputType = (
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InputType.TYPE_CLASS_TEXT
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or InputType.TYPE_TEXT_FLAG_MULTI_LINE
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or InputType.TYPE_TEXT_FLAG_CAP_SENTENCES
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)
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input.setText(existingDescription)
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input.filters = arrayOf(InputFilter.LengthFilter(MEDIA_DESCRIPTION_CHARACTER_LIMIT))
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val okListener = { dialog: DialogInterface, _: Int ->
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onUpdateDescription(input.text.toString())
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withLifecycleContext {
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onUpdateDescription(input.text.toString())
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.observe { success -> if (!success) showFailedCaptionMessage() }
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}
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dialog.dismiss()
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}
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val dialog = AlertDialog.Builder(this)
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.setView(dialogLayout)
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.setPositiveButton(android.R.string.ok, okListener)
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.setNegativeButton(android.R.string.cancel, null)
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.create()
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val window = dialog.window
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window?.setSoftInputMode(
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WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
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)
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dialog.show()
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// Load the image and manually set it into the ImageView because it doesn't have a fixed size.
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Glide.with(this)
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.load(previewUri)
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.downsample(DownsampleStrategy.CENTER_INSIDE)
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.into(object : CustomTarget<Drawable>(4096, 4096) {
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override fun onLoadCleared(placeholder: Drawable?) {
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imageView.setImageDrawable(placeholder)
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}
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override fun onResourceReady(resource: Drawable, transition: Transition<in Drawable>?) {
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imageView.setImageDrawable(resource)
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}
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})
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}
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private fun Activity.showFailedCaptionMessage() {
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Toast.makeText(this, R.string.error_failed_set_caption, Toast.LENGTH_SHORT).show()
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}
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