102 lines
3.0 KiB
Kotlin
102 lines
3.0 KiB
Kotlin
/*
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* Twidere - Twitter client for Android
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*
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* Copyright (C) 2012-2017 Mariotaku Lee <mariotaku.lee@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General 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
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.mariotaku.twidere.extension
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import android.graphics.Rect
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import android.graphics.RectF
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import androidx.annotation.UiThread
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import android.view.View
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import android.view.ViewGroup
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import android.widget.TextView
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import org.mariotaku.ktextension.empty
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private val tempLocation = IntArray(2)
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private val tempRect = Rect()
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@UiThread
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fun View.getBounds(rect: RectF) {
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rect.set(x, y, x + width, y + height)
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}
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@UiThread
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fun View.getFrame(rect: Rect) {
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rect.set(left, top, right, bottom)
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}
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@UiThread
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fun View.getFrameRelatedTo(rect: Rect, other: View? = null) {
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this.getFrame(rect)
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when {
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other == null -> {
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offsetToRoot(this, rect)
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}
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other === this -> {
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rect.offsetTo(0, 0)
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}
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other !== parent -> {
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offsetToRoot(this, rect)
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other.getFrame(tempRect)
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offsetToRoot(other, tempRect)
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rect.offset(-tempRect.left, -tempRect.top)
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}
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}
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}
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fun View.getLocationOnScreen(rect: Rect) {
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getLocationOnScreen(tempLocation)
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rect.set(tempLocation[0], tempLocation[1], tempLocation[0] + width, tempLocation[1] + height)
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}
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fun View.getLocationInWindow(rect: Rect) {
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getLocationInWindow(tempLocation)
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rect.set(tempLocation[0], tempLocation[1], tempLocation[0] + width, tempLocation[1] + height)
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}
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fun View.addSystemUiVisibility(systemUiVisibility: Int) {
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this.systemUiVisibility = this.systemUiVisibility or systemUiVisibility
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}
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fun View.removeSystemUiVisibility(systemUiVisibility: Int) {
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this.systemUiVisibility = this.systemUiVisibility and systemUiVisibility.inv()
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}
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fun View.hideIfEmpty(dependency: TextView, hideVisibility: Int = View.GONE) {
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visibility = if (dependency.empty) {
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hideVisibility
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} else {
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View.VISIBLE
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}
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}
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fun View.setVisible(visible: Boolean, hiddenVisibility: Int = View.GONE) {
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visibility = if (visible) View.VISIBLE else hiddenVisibility
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}
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val ViewGroup.children: List<View>
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get() = (0 until childCount).map { getChildAt(it) }
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private fun offsetToRoot(view: View, rect: Rect) {
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var parent = view.parent as? View
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while (parent != null) {
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rect.offset(parent.left, parent.top)
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parent = parent.parent as? View
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}
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}
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