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Code Issues Releases Wiki Activity

improved user profile toolbar elevation

This commit is contained in:
Mariotaku Lee 2017-10-28 19:01:11 +08:00
parent dde08de7cd
commit 0d05f50a7c
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GPG Key ID: 15C10F89D7C33535
1 changed files with 16 additions and 6 deletions
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22
twidere/src/main/kotlin/org/mariotaku/twidere/view/behavior/userprofile/ToolbarBehavior.kt
View File

@ -27,6 +27,7 @@ import android.support.v7.widget.Toolbar
import android.util.AttributeSet
import android.view.View
import kotlinx.android.synthetic.main.fragment_user.view.*
import kotlinx.android.synthetic.main.header_user.view.*
import org.mariotaku.twidere.R
import org.mariotaku.twidere.graphic.drawable.userprofile.ActionBarDrawable
import org.mariotaku.twidere.util.ThemeUtils
@ -44,15 +45,24 @@ internal class ToolbarBehavior(context: Context?, attrs: AttributeSet? = null) :
override fun onDependentViewChanged(parent: CoordinatorLayout, child: Toolbar, dependency: View): Boolean {
val actionBarBackground = child.background as? ActionBarDrawable ?: return false
val bannerContainer = parent.profileBannerContainer
val bannerBottom = dependency.top + bannerContainer.height
val detailsBackground = parent.profileHeaderBackground
val bannerBottom = dependency.top + bannerContainer.bottom
val detailsBottom = dependency.top + detailsBackground.bottom
val currentOffset = bannerBottom - child.bottom
val maxOffset = (bannerContainer.height - child.bottom).toFloat()
val factor = (1 - currentOffset / maxOffset).coerceIn(0f, 1f)
actionBarBackground.factor = factor
actionBarBackground.outlineAlphaFactor = factor
val maxOffset = (bannerContainer.bottom - child.bottom).toFloat()
val colorFactor = (1 - currentOffset / maxOffset).coerceIn(0f, 1f)
actionBarBackground.factor = colorFactor
val outlineFactor = if (colorFactor < 1) {
colorFactor
} else {
((detailsBottom - child.bottom) / detailsBackground.height.toFloat()).coerceIn(0f, 1f)
}
actionBarBackground.outlineAlphaFactor = outlineFactor
val colorPrimary = actionBarBackground.color
val currentActionBarColor = ArgbEvaluator.getInstance().evaluate(factor, actionBarShadowColor,
val currentActionBarColor = ArgbEvaluator.getInstance().evaluate(colorFactor, actionBarShadowColor,
colorPrimary) as Int
val actionItemIsDark = if (ThemeUtils.isLightColor(currentActionBarColor)) 1 else -1
if (this.actionItemIsDark != actionItemIsDark) {