103 lines
4.3 KiB
Kotlin
103 lines
4.3 KiB
Kotlin
/* This Source Code Form is subject to the terms of the Mozilla Public
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License, v. 2.0. If a copy of the MPL was not distributed with this
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file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.fenix.quickactionsheet
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import android.widget.LinearLayout
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import androidx.core.widget.NestedScrollView
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import com.google.android.material.bottomsheet.BottomSheetBehavior
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import io.reactivex.Observable
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import io.reactivex.Observer
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import io.reactivex.functions.Consumer
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import kotlinx.android.synthetic.main.fragment_browser.*
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import kotlinx.android.synthetic.main.layout_quick_action_sheet.*
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import kotlinx.android.synthetic.main.layout_quick_action_sheet.view.*
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import org.mozilla.fenix.R
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import org.mozilla.fenix.components.metrics.Event
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import org.mozilla.fenix.ext.components
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import org.mozilla.fenix.mvi.UIView
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class QuickActionUIView(
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container: ViewGroup,
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actionEmitter: Observer<QuickActionAction>,
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changesObservable: Observable<QuickActionChange>
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) : UIView<QuickActionState, QuickActionAction, QuickActionChange>(container, actionEmitter, changesObservable) {
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override val view: NestedScrollView = LayoutInflater.from(container.context)
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.inflate(R.layout.component_quick_action_sheet, container, true)
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.findViewById(R.id.nestedScrollQuickAction) as NestedScrollView
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init {
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val quickActionSheetBehavior =
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BottomSheetBehavior.from(nestedScrollQuickAction as View) as QuickActionSheetBehavior
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quickActionSheetBehavior.setBottomSheetCallback(object : BottomSheetBehavior.BottomSheetCallback() {
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override fun onStateChanged(v: View, state: Int) {
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updateImportantForAccessibility(state)
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if (state == BottomSheetBehavior.STATE_EXPANDED) {
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actionEmitter.onNext(QuickActionAction.Opened)
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} else if (state == BottomSheetBehavior.STATE_COLLAPSED) {
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actionEmitter.onNext(QuickActionAction.Closed)
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}
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}
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override fun onSlide(bottomSheet: View, slideOffset: Float) {
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animateOverlay(slideOffset)
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}
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})
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updateImportantForAccessibility(quickActionSheetBehavior.state)
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view.quick_action_share.setOnClickListener {
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actionEmitter.onNext(QuickActionAction.SharePressed)
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quickActionSheetBehavior.state = BottomSheetBehavior.STATE_COLLAPSED
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}
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view.quick_action_downloads.setOnClickListener {
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actionEmitter.onNext(QuickActionAction.DownloadsPressed)
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quickActionSheetBehavior.state = BottomSheetBehavior.STATE_COLLAPSED
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}
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view.quick_action_bookmark.setOnClickListener {
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actionEmitter.onNext(QuickActionAction.BookmarkPressed)
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quickActionSheetBehavior.state = BottomSheetBehavior.STATE_COLLAPSED
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}
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view.quick_action_read.setOnClickListener {
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actionEmitter.onNext(QuickActionAction.ReadPressed)
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quickActionSheetBehavior.state = BottomSheetBehavior.STATE_COLLAPSED
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}
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}
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/**
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* Changes alpha of overlay based on new offset of this sheet within [-1,1] range.
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*/
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private fun animateOverlay(offset: Float) {
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overlay.alpha = (1 - offset)
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}
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private fun updateImportantForAccessibility(state: Int) {
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view.findViewById<LinearLayout>(R.id.quick_action_buttons_layout).importantForAccessibility =
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if (state == BottomSheetBehavior.STATE_COLLAPSED || state == BottomSheetBehavior.STATE_HIDDEN)
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View.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS
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else
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View.IMPORTANT_FOR_ACCESSIBILITY_AUTO
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}
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private fun sendTelemetryEvent(state: Int) {
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when (state) {
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BottomSheetBehavior.STATE_EXPANDED ->
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view.context.components.analytics.metrics.track(Event.QuickActionSheetOpened)
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BottomSheetBehavior.STATE_COLLAPSED ->
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view.context.components.analytics.metrics.track(Event.QuickActionSheetClosed)
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}
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}
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override fun updateView() = Consumer<QuickActionState> {
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view.quick_action_read.visibility = if (it.readable) View.VISIBLE else View.GONE
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view.quick_action_bookmark.isSelected = it.bookmarked
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}
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}
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