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replace magic numbers with constants

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Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>
This commit is contained in:
Andy Scherzinger 2021-06-08 22:47:00 +02:00
parent 292bee8396
commit bc20e0438f
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GPG key ID: 6CADC7E3523C308B
1 changed files with 69 additions and 44 deletions
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113
app/src/main/java/com/nextcloud/talk/ui/recyclerview/MessageSwipeCallback.kt
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@ -60,11 +60,7 @@ import kotlin.math.min
class MessageSwipeCallback(private val context: Context, private val messageSwipeActions: MessageSwipeActions) :
ItemTouchHelper.Callback() {
companion object {
const val TAG = "MessageSwipeCallback"
}
private var density = 1f
private var density = DENSITY_DEFAULT
private lateinit var imageDrawable: Drawable
private lateinit var shareRound: Drawable
@ -73,7 +69,7 @@ class MessageSwipeCallback(private val context: Context, private val messageSwip
private lateinit var view: View
private var dX = 0f
private var replyButtonProgress: Float = 0.toFloat()
private var replyButtonProgress: Float = NO_PROGRESS
private var lastReplyButtonAnimationTime: Long = 0
private var swipeBack = false
private var isVibrate = false
@ -91,7 +87,7 @@ class MessageSwipeCallback(private val context: Context, private val messageSwip
}
// disable swiping any other message type
return 0
return NO_SWIPE_FLAG
}
override fun onMove(
@ -126,7 +122,7 @@ class MessageSwipeCallback(private val context: Context, private val messageSwip
setTouchListener(recyclerView, viewHolder)
}
if (view.translationX < convertToDp(130) || dX < this.dX) {
if (view.translationX < convertToDp(SWIPE_LIMIT) || dX < this.dX) {
super.onChildDraw(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive)
this.dX = dX
startTracking = true
@ -140,7 +136,7 @@ class MessageSwipeCallback(private val context: Context, private val messageSwip
recyclerView.setOnTouchListener { _, event ->
swipeBack = event.action == MotionEvent.ACTION_CANCEL || event.action == MotionEvent.ACTION_UP
if (swipeBack) {
if (abs(view.translationX) >= this@MessageSwipeCallback.convertToDp(100)) {
if (abs(view.translationX) >= this@MessageSwipeCallback.convertToDp(REPLY_POINT)) {
messageSwipeActions.showReplyUI(viewHolder.adapterPosition)
}
}
@ -154,27 +150,27 @@ class MessageSwipeCallback(private val context: Context, private val messageSwip
}
val translationX = view.translationX
val newTime = System.currentTimeMillis()
val dt = min(17, newTime - lastReplyButtonAnimationTime)
val dt = min(MIN_ANIMATION_TIME_IN_MILLIS, newTime - lastReplyButtonAnimationTime)
lastReplyButtonAnimationTime = newTime
val showing = translationX >= convertToDp(30)
val showing = translationX >= convertToDp(SHOW_REPLY_ICON_POINT)
if (showing) {
if (replyButtonProgress < 1.0f) {
replyButtonProgress += dt / 180.0f
if (replyButtonProgress > 1.0f) {
replyButtonProgress = 1.0f
if (replyButtonProgress < FULL_PROGRESS) {
replyButtonProgress += dt / PROGRESS_CALCULATION_TIME_BASE
if (replyButtonProgress > FULL_PROGRESS) {
replyButtonProgress = FULL_PROGRESS
} else {
view.invalidate()
}
}
} else if (translationX <= 0.0f) {
replyButtonProgress = 0f
} else if (translationX <= NO_PROGRESS) {
replyButtonProgress = NO_PROGRESS
startTracking = false
isVibrate = false
} else {
if (replyButtonProgress > 0.0f) {
replyButtonProgress -= dt / 180.0f
if (replyButtonProgress < 0.1f) {
replyButtonProgress = 0f
if (replyButtonProgress > NO_PROGRESS) {
replyButtonProgress -= dt / PROGRESS_CALCULATION_TIME_BASE
if (replyButtonProgress < PROGRESS_THRESHOLD) {
replyButtonProgress = NO_PROGRESS
} else {
view.invalidate()
}
@ -184,21 +180,23 @@ class MessageSwipeCallback(private val context: Context, private val messageSwip
val alpha: Int
val scale: Float
if (showing) {
scale = if (replyButtonProgress <= 0.8f) {
1.2f * (replyButtonProgress / 0.8f)
scale = if (replyButtonProgress <= SCALE_PROGRESS_TOP_THRESHOLD) {
SCALE_PROGRESS_MULTIPLIER * (replyButtonProgress / SCALE_PROGRESS_TOP_THRESHOLD)
} else {
1.2f - 0.2f * ((replyButtonProgress - 0.8f) / 0.2f)
SCALE_PROGRESS_MULTIPLIER -
SCALE_PROGRESS_BOTTOM_THRESHOLD *
((replyButtonProgress - SCALE_PROGRESS_TOP_THRESHOLD) / SCALE_PROGRESS_BOTTOM_THRESHOLD)
}
alpha = min(255f, 255 * (replyButtonProgress / 0.8f)).toInt()
alpha = min(FULLY_OPAQUE, FULLY_OPAQUE * (replyButtonProgress / SCALE_PROGRESS_TOP_THRESHOLD)).toInt()
} else {
scale = replyButtonProgress
alpha = min(255f, 255 * replyButtonProgress).toInt()
alpha = min(FULLY_OPAQUE, FULLY_OPAQUE * replyButtonProgress).toInt()
}
shareRound.alpha = alpha
imageDrawable.alpha = alpha
if (startTracking) {
if (!isVibrate && view.translationX >= convertToDp(100)) {
if (!isVibrate && view.translationX >= convertToDp(REPLY_POINT)) {
view.performHapticFeedback(
HapticFeedbackConstants.KEYBOARD_TAP,
HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING
@ -207,13 +205,13 @@ class MessageSwipeCallback(private val context: Context, private val messageSwip
}
}
val x: Int = if (view.translationX > convertToDp(130)) {
convertToDp(130) / 2
val x: Int = if (view.translationX > convertToDp(SWIPE_LIMIT)) {
convertToDp(SWIPE_LIMIT) / AXIS_BASE
} else {
(view.translationX / 2).toInt()
(view.translationX / AXIS_BASE).toInt()
}
val y = (view.top + view.measuredHeight / 2).toFloat()
val y = (view.top + view.measuredHeight / AXIS_BASE).toFloat()
shareRound.colorFilter = PorterDuffColorFilter(
ContextCompat.getColor(context, R.color.bg_message_list_incoming_bubble),
PorterDuff.Mode.SRC_IN
@ -224,23 +222,23 @@ class MessageSwipeCallback(private val context: Context, private val messageSwip
)
shareRound.setBounds(
(x - convertToDp(18) * scale).toInt(),
(y - convertToDp(18) * scale).toInt(),
(x + convertToDp(18) * scale).toInt(),
(y + convertToDp(18) * scale).toInt()
(x - convertToDp(BACKGROUND_BOUNDS_PIXEL) * scale).toInt(),
(y - convertToDp(BACKGROUND_BOUNDS_PIXEL) * scale).toInt(),
(x + convertToDp(BACKGROUND_BOUNDS_PIXEL) * scale).toInt(),
(y + convertToDp(BACKGROUND_BOUNDS_PIXEL) * scale).toInt()
)
shareRound.draw(canvas)
imageDrawable.setBounds(
(x - convertToDp(12) * scale).toInt(),
(y - convertToDp(13) * scale).toInt(),
(x + convertToDp(12) * scale).toInt(),
(y + convertToDp(11) * scale).toInt()
(x - convertToDp(ICON_BOUNDS_PIXEL_LEFT) * scale).toInt(),
(y - convertToDp(ICON_BOUNDS_PIXEL_TOP) * scale).toInt(),
(x + convertToDp(ICON_BOUNDS_PIXEL_RIGHT) * scale).toInt(),
(y + convertToDp(ICON_BOUNDS_PIXEL_BOTTOM) * scale).toInt()
)
imageDrawable.draw(canvas)
shareRound.alpha = 255
imageDrawable.alpha = 255
shareRound.alpha = FULLY_OPAQUE_INT
imageDrawable.alpha = FULLY_OPAQUE_INT
}
private fun convertToDp(pixel: Int): Int {
@ -248,11 +246,11 @@ class MessageSwipeCallback(private val context: Context, private val messageSwip
}
private fun dp(value: Float, context: Context): Int {
if (density == 1f) {
if (density == DENSITY_DEFAULT) {
checkDisplaySize(context)
}
return if (value == 0f) {
0
return if (value == DENSITY_ZERO) {
DENSITY_ZERO_INT
} else {
ceil((density * value).toDouble()).toInt()
}
@ -265,4 +263,31 @@ class MessageSwipeCallback(private val context: Context, private val messageSwip
Log.w(TAG, "Error calculating density", e)
}
}
companion object {
const val TAG = "MessageSwipeCallback"
const val NO_SWIPE_FLAG : Int = 0
const val FULLY_OPAQUE : Float = 255f
const val FULLY_OPAQUE_INT : Int = 255
const val DENSITY_DEFAULT : Float = 1f
const val DENSITY_ZERO : Float = 0f
const val DENSITY_ZERO_INT : Int = 0
const val REPLY_POINT : Int = 100
const val SWIPE_LIMIT : Int = 130
const val SHOW_REPLY_ICON_POINT : Int = 30
const val MIN_ANIMATION_TIME_IN_MILLIS : Long = 17
const val FULL_PROGRESS : Float = 1.0f
const val NO_PROGRESS : Float = 0.0f
const val PROGRESS_THRESHOLD : Float = 0.1f
const val PROGRESS_CALCULATION_TIME_BASE : Float = 180.0f
const val SCALE_PROGRESS_MULTIPLIER : Float = 1.2f
const val SCALE_PROGRESS_TOP_THRESHOLD : Float = 0.8f
const val SCALE_PROGRESS_BOTTOM_THRESHOLD : Float = 0.2f
const val AXIS_BASE : Int = 2
const val BACKGROUND_BOUNDS_PIXEL : Int = 18
const val ICON_BOUNDS_PIXEL_LEFT : Int = 12
const val ICON_BOUNDS_PIXEL_TOP : Int = 13
const val ICON_BOUNDS_PIXEL_RIGHT : Int = 12
const val ICON_BOUNDS_PIXEL_BOTTOM : Int = 11
}
}