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@ -2,6 +2,8 @@ package org.thoughtcrime.securesms.conversation.v2.messages
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import android.content.Context
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import android.os.Build
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import android.os.Handler
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import android.os.Looper
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import android.util.AttributeSet
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import android.util.Log
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import android.view.*
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@ -23,9 +25,13 @@ import kotlin.math.sqrt
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class VisibleMessageView : LinearLayout {
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private var dx = 0.0f
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private var previousTranslationX = 0.0f
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private val gestureHandler = Handler(Looper.getMainLooper())
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private var longPressCallback: Runnable? = null
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companion object {
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const val swipeToReplyThreshold = 100.0f // dp
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const val swipeToReplyThreshold = 90.0f // dp
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const val longPressMovementTreshold = 10.0f // dp
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const val longPressDurationThreshold = 250.0f // ms
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}
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// region Lifecycle
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@ -144,10 +150,25 @@ class VisibleMessageView : LinearLayout {
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private fun onDown(event: MotionEvent) {
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dx = x - event.rawX
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val oldLongPressCallback = longPressCallback
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if (oldLongPressCallback != null) {
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gestureHandler.removeCallbacks(oldLongPressCallback)
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}
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val longPressCallback = Runnable { onLongPress() }
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this.longPressCallback = longPressCallback
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gestureHandler.postDelayed(longPressCallback, VisibleMessageView.longPressDurationThreshold)
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}
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private fun onMove(event: MotionEvent) {
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val translationX = toDp(event.rawX + dx, context.resources)
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if (abs(translationX) < VisibleMessageView.longPressMovementTreshold) {
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return
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} else {
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val longPressCallback = longPressCallback
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if (longPressCallback != null) {
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gestureHandler.removeCallbacks(longPressCallback)
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}
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}
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// The idea here is to asymptotically approach a maximum drag distance
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val damping = 50.0f
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val sign = -1.0f
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@ -172,5 +193,10 @@ class VisibleMessageView : LinearLayout {
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.setDuration(150)
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.start()
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}
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private fun onLongPress() {
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performHapticFeedback(HapticFeedbackConstants.LONG_PRESS)
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Log.d("Test", "Long press")
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}
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// endregion
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}
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