Refactor conversation settings screens into a single fragment with new UI.

app/src/main/java/org/thoughtcrime/securesms/animation/transitions/CircleAvatarTransition.kt

@@ -0,0 +1,97 @@
+package org.thoughtcrime.securesms.animation.transitions
+
+import android.animation.Animator
+import android.animation.ObjectAnimator
+import android.animation.PropertyValuesHolder
+import android.animation.TypeEvaluator
+import android.content.Context
+import android.transition.Transition
+import android.transition.TransitionValues
+import android.util.AttributeSet
+import android.view.View
+import android.view.ViewGroup
+import android.view.animation.AccelerateInterpolator
+import android.view.animation.DecelerateInterpolator
+import android.view.animation.Interpolator
+import androidx.annotation.RequiresApi
+import org.thoughtcrime.securesms.components.AvatarImageView
+
+private const val POSITION_ON_SCREEN = "signal.circleavatartransition.positiononscreen"
+private const val WIDTH = "signal.circleavatartransition.width"
+private const val HEIGHT = "signal.circleavatartransition.height"
+
+/**
+ * Custom transition for Circular avatars, because once you have multiple things animating stuff was getting broken and weird.
+ */
+@RequiresApi(21)
+class CircleAvatarTransition(context: Context, attrs: AttributeSet?) : Transition(context, attrs) {
+  override fun captureStartValues(transitionValues: TransitionValues) {
+    captureValues(transitionValues)
+  }
+
+  override fun captureEndValues(transitionValues: TransitionValues) {
+    captureValues(transitionValues)
+  }
+
+  private fun captureValues(transitionValues: TransitionValues) {
+    val view: View = transitionValues.view
+
+    if (view is AvatarImageView) {
+      val topLeft = intArrayOf(0, 0)
+      view.getLocationOnScreen(topLeft)
+      transitionValues.values[POSITION_ON_SCREEN] = topLeft
+      transitionValues.values[WIDTH] = view.measuredWidth
+      transitionValues.values[HEIGHT] = view.measuredHeight
+    }
+  }
+
+  override fun createAnimator(sceneRoot: ViewGroup, startValues: TransitionValues?, endValues: TransitionValues?): Animator? {
+    if (startValues == null || endValues == null) {
+      return null
+    }
+
+    val view: View = endValues.view
+    if (view !is AvatarImageView || view.transitionName != "avatar") {
+      return null
+    }
+
+    val startCoords: IntArray = startValues.values[POSITION_ON_SCREEN] as? IntArray ?: intArrayOf(0, 0).apply { view.getLocationOnScreen(this) }
+    val endCoords: IntArray = endValues.values[POSITION_ON_SCREEN] as? IntArray ?: intArrayOf(0, 0).apply { view.getLocationOnScreen(this) }
+
+    val startWidth: Int = startValues.values[WIDTH] as? Int ?: view.measuredWidth
+    val endWidth: Int = endValues.values[WIDTH] as? Int ?: view.measuredWidth
+
+    val startHeight: Int = startValues.values[HEIGHT] as? Int ?: view.measuredHeight
+    val endHeight: Int = endValues.values[HEIGHT] as? Int ?: view.measuredHeight
+
+    val startHeightOffset = (endHeight - startHeight) / 2f
+    val startWidthOffset = (endWidth - startWidth) / 2f
+
+    val translateXHolder = PropertyValuesHolder.ofFloat("translationX", startCoords[0] - endCoords[0] - startWidthOffset, 0f).apply {
+      setEvaluator(FloatInterpolatorEvaluator(DecelerateInterpolator()))
+    }
+    val translateYHolder = PropertyValuesHolder.ofFloat("translationY", startCoords[1] - endCoords[1] - startHeightOffset, 0f).apply {
+      setEvaluator(FloatInterpolatorEvaluator(AccelerateInterpolator()))
+    }
+
+    val widthRatio = startWidth.toFloat() / endWidth
+    val scaleXHolder = PropertyValuesHolder.ofFloat("scaleX", widthRatio, 1f)
+
+    val heightRatio = startHeight.toFloat() / endHeight
+    val scaleYHolder = PropertyValuesHolder.ofFloat("scaleY", heightRatio, 1f)
+
+    return ObjectAnimator.ofPropertyValuesHolder(view, translateXHolder, translateYHolder, scaleXHolder, scaleYHolder)
+  }
+
+  private class FloatInterpolatorEvaluator(
+    private val interpolator: Interpolator
+  ) : TypeEvaluator<Float> {
+
+    override fun evaluate(fraction: Float, startValue: Float, endValue: Float): Float {
+      val interpolatedFraction = interpolator.getInterpolation(fraction)
+      val delta = endValue - startValue
+
+      return delta * interpolatedFraction + startValue
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/animation/transitions/WipeDownTransition.kt

@@ -0,0 +1,56 @@
+package org.thoughtcrime.securesms.animation.transitions
+
+import android.animation.Animator
+import android.animation.ObjectAnimator
+import android.animation.RectEvaluator
+import android.content.Context
+import android.graphics.Rect
+import android.transition.Transition
+import android.transition.TransitionValues
+import android.util.AttributeSet
+import android.view.View
+import android.view.ViewGroup
+import androidx.annotation.RequiresApi
+import androidx.fragment.app.FragmentContainerView
+
+private const val BOUNDS = "signal.wipedowntransition.bottom"
+
+/**
+ * WipeDownTransition will animate the bottom position of a view such that it "wipes" down the screen to a final position.
+ */
+@RequiresApi(21)
+class WipeDownTransition(context: Context, attrs: AttributeSet?) : Transition(context, attrs) {
+  override fun captureStartValues(transitionValues: TransitionValues) {
+    captureValues(transitionValues)
+  }
+
+  override fun captureEndValues(transitionValues: TransitionValues) {
+    captureValues(transitionValues)
+  }
+
+  private fun captureValues(transitionValues: TransitionValues) {
+    val view: View = transitionValues.view
+
+    if (view is ViewGroup) {
+      val rect = Rect()
+      view.getLocalVisibleRect(rect)
+      transitionValues.values[BOUNDS] = rect
+    }
+  }
+
+  override fun createAnimator(sceneRoot: ViewGroup, startValues: TransitionValues?, endValues: TransitionValues?): Animator? {
+    if (startValues == null || endValues == null) {
+      return null
+    }
+
+    val view: View = endValues.view
+    if (view !is FragmentContainerView) {
+      return null
+    }
+
+    val startBottom: Rect = startValues.values[BOUNDS] as? Rect ?: Rect().apply { view.getLocalVisibleRect(this) }
+    val endBottom: Rect = endValues.values[BOUNDS] as? Rect ?: Rect().apply { view.getLocalVisibleRect(this) }
+
+    return ObjectAnimator.ofObject(view, "clipBounds", RectEvaluator(), startBottom, endBottom)
+  }
+}