127 lines
4.4 KiB
Kotlin
127 lines
4.4 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.view
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import android.annotation.SuppressLint
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import android.annotation.TargetApi
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import android.content.Context
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import android.graphics.Rect
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import android.graphics.drawable.Drawable
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import android.os.Build
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import androidx.annotation.DrawableRes
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import androidx.core.view.createWindowInsetsCompat
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import android.util.AttributeSet
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import android.view.MotionEvent
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import android.view.WindowInsets
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import android.widget.RelativeLayout
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import org.mariotaku.twidere.R
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import org.mariotaku.twidere.view.iface.IExtendedView
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open class ExtendedRelativeLayout(context: Context, attrs: AttributeSet? = null) :
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RelativeLayout(context, attrs), IExtendedView {
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override var touchInterceptor: IExtendedView.TouchInterceptor? = null
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override var onSizeChangedListener: IExtendedView.OnSizeChangedListener? = null
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override var onApplyWindowInsetsCompatListener: IExtendedView.OnApplyWindowInsetsCompatListener? = null
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private var usePaddingBackup: Boolean = false
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private val paddingBackup = Rect()
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init {
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if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT) {
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usePaddingBackup = false
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} else {
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val a = context.obtainStyledAttributes(attrs, R.styleable.IExtendedViewPadding)
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usePaddingBackup = (0 until a.indexCount).any { a.hasValue(it) }
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a.recycle()
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}
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}
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override fun dispatchTouchEvent(event: MotionEvent): Boolean {
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if (touchInterceptor != null) {
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val ret = touchInterceptor!!.dispatchTouchEvent(this, event)
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if (ret) return true
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}
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return super.dispatchTouchEvent(event)
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}
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override fun onInterceptTouchEvent(event: MotionEvent): Boolean {
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if (touchInterceptor != null) {
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val ret = touchInterceptor!!.onInterceptTouchEvent(this, event)
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if (ret) return true
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}
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return super.onInterceptTouchEvent(event)
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}
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@SuppressLint("ClickableViewAccessibility")
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override fun onTouchEvent(event: MotionEvent): Boolean {
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if (touchInterceptor != null) {
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val ret = touchInterceptor!!.onTouchEvent(this, event)
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if (ret) return true
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}
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return super.onTouchEvent(event)
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}
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override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
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super.onSizeChanged(w, h, oldw, oldh)
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if (onSizeChangedListener != null) {
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onSizeChangedListener!!.onSizeChanged(this, w, h, oldw, oldh)
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}
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}
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override fun setBackgroundResource(@DrawableRes resid: Int) {
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backupPadding()
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super.setBackgroundResource(resid)
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restorePadding()
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}
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override fun setBackground(background: Drawable) {
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backupPadding()
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super.setBackground(background)
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restorePadding()
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}
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@Deprecated("Deprecated in Android")
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override fun setBackgroundDrawable(background: Drawable) {
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backupPadding()
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@Suppress("DEPRECATION")
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super.setBackgroundDrawable(background)
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restorePadding()
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}
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@TargetApi(Build.VERSION_CODES.LOLLIPOP)
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override fun onApplyWindowInsets(insets: WindowInsets): WindowInsets {
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onApplyWindowInsetsCompatListener?.onApplyWindowInsets(createWindowInsetsCompat(insets))
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return super.onApplyWindowInsets(insets)
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}
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private fun backupPadding() {
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if (!usePaddingBackup) return
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paddingBackup.set(paddingLeft, paddingTop, paddingRight, paddingBottom)
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}
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private fun restorePadding() {
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if (!usePaddingBackup) return
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setPadding(paddingBackup.left, paddingBackup.top, paddingBackup.right, paddingBackup.bottom)
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}
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}
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