243 lines
9.5 KiB
Kotlin
243 lines
9.5 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.home
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import android.annotation.SuppressLint
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import android.content.res.Resources
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import android.graphics.drawable.BitmapDrawable
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import android.os.Bundle
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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 androidx.appcompat.app.AppCompatActivity
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import androidx.constraintlayout.motion.widget.MotionLayout
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import androidx.fragment.app.Fragment
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import androidx.navigation.Navigation
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import kotlinx.android.synthetic.main.fragment_home.*
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import kotlinx.android.synthetic.main.fragment_home.view.*
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import kotlinx.android.synthetic.main.tab_list_header.view.*
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import mozilla.components.browser.session.Session
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import mozilla.components.browser.session.SessionManager
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import org.mozilla.fenix.HomeActivity
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import org.mozilla.fenix.R
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import org.mozilla.fenix.ext.increaseTapArea
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import org.mozilla.fenix.ThemeManager
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import org.mozilla.fenix.ext.requireComponents
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import org.mozilla.fenix.home.sessions.SessionsComponent
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import org.mozilla.fenix.home.tabs.TabsAction
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import org.mozilla.fenix.home.tabs.TabsChange
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import org.mozilla.fenix.home.tabs.TabsComponent
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import org.mozilla.fenix.home.tabs.TabsState
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import org.mozilla.fenix.isPrivate
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import org.mozilla.fenix.mvi.ActionBusFactory
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import org.mozilla.fenix.mvi.getManagedEmitter
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import org.mozilla.fenix.mvi.getSafeManagedObservable
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import kotlin.math.roundToInt
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class HomeFragment : Fragment() {
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private val bus = ActionBusFactory.get(this)
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private var sessionObserver: SessionManager.Observer? = null
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override fun onCreateView(
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inflater: LayoutInflater,
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container: ViewGroup?,
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savedInstanceState: Bundle?
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): View? {
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val view = inflater.inflate(R.layout.fragment_home, container, false)
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TabsComponent(view.homeLayout, bus, TabsState(requireComponents.core.sessionManager.sessions))
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SessionsComponent(view.homeLayout, bus)
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ActionBusFactory.get(this).logMergedObservables()
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return view
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}
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@SuppressLint("CheckResult")
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
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super.onViewCreated(view, savedInstanceState)
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(activity as AppCompatActivity).supportActionBar?.hide()
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layoutComponents(view.homeLayout)
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getSafeManagedObservable<TabsAction>()
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.subscribe {
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when (it) {
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is TabsAction.Select -> {
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requireComponents.core.sessionManager.select(it.session)
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val directions = HomeFragmentDirections.actionHomeFragmentToBrowserFragment(it.session.id)
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Navigation.findNavController(view).navigate(directions)
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}
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is TabsAction.Close -> {
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requireComponents.core.sessionManager.remove(it.session)
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}
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}
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}
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val searchIcon = requireComponents.search.searchEngineManager.getDefaultSearchEngine(requireContext()).let {
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BitmapDrawable(resources, it.icon)
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}
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// Temporary so we can easily test settings
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view.menuButton.setOnClickListener {
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val directions = HomeFragmentDirections.actionHomeFragmentToSettingsFragment()
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Navigation.findNavController(it).navigate(directions)
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}
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view.toolbar.setCompoundDrawablesWithIntrinsicBounds(searchIcon, null, null, null)
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val roundToInt = (toolbarPaddingDp * Resources.getSystem().displayMetrics.density).roundToInt()
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view.toolbar.compoundDrawablePadding = roundToInt
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view.toolbar.setOnClickListener { it ->
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val directions = HomeFragmentDirections.actionHomeFragmentToSearchFragment(null)
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Navigation.findNavController(it).navigate(directions)
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}
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view.add_tab_button.increaseTapArea(addTabButtonIncreaseDps)
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view.add_tab_button.setOnClickListener {
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val directions = HomeFragmentDirections.actionHomeFragmentToSearchFragment(null)
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Navigation.findNavController(it).navigate(directions)
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}
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// There is currently an issue with visibility changes in ConstraintLayout 2.0.0-alpha3
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// https://issuetracker.google.com/issues/122090772
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// For now we're going to manually implement KeyTriggers.
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view.homeLayout.setTransitionListener(object : MotionLayout.TransitionListener {
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private val firstKeyTrigger = KeyTrigger(
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firstKeyTriggerFrame,
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{ view.toolbar_wrapper.transitionToDark() },
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{ view.toolbar_wrapper.transitionToLight() }
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)
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private val secondKeyTrigger = KeyTrigger(
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secondKeyTriggerFrame,
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{ view.toolbar_wrapper.transitionToDarkNoBorder() },
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{ view.toolbar_wrapper.transitionToDarkFromNoBorder() }
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)
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override fun onTransitionChange(
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motionLayout: MotionLayout?,
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startId: Int,
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endId: Int,
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progress: Float
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) {
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firstKeyTrigger.conditionallyFire(progress)
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secondKeyTrigger.conditionallyFire(progress)
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}
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override fun onTransitionCompleted(p0: MotionLayout?, p1: Int) { }
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})
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view.toolbar_wrapper.isPrivateModeEnabled = (requireActivity() as HomeActivity)
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.themeManager
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.currentTheme
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.isPrivate()
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privateBrowsingButton.setOnClickListener {
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// When we build out private mode we will want to handle this logic elsewhere.
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(requireActivity() as HomeActivity).themeManager.apply {
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val newTheme = when (this.currentTheme) {
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ThemeManager.Theme.Light -> ThemeManager.Theme.Private
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ThemeManager.Theme.Private -> ThemeManager.Theme.Light
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}
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setTheme(newTheme)
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}
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}
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}
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@SuppressWarnings("MagicNumber")
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private class KeyTrigger(
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frame: Int,
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private val onPositiveCross: () -> Unit,
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private val onNegativeCross: () -> Unit
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) {
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private val fireThreshhold = (frame + 0.5F) / 100.0F
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private var negativeReset = false
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private var positiveReset = false
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private var lastFirePosition = 0f
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private val triggerSlack = 0.1f
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fun conditionallyFire(progress: Float) {
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var offset: Float
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var lastOffset: Float
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if (negativeReset) {
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offset = progress - fireThreshhold
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lastOffset = lastFirePosition - fireThreshhold
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if (offset * lastOffset < 0.0f && offset < 0.0f) {
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onNegativeCross.invoke()
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negativeReset = false
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}
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} else if (Math.abs(progress - fireThreshhold) > triggerSlack) {
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negativeReset = true
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}
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if (positiveReset) {
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offset = progress - fireThreshhold
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lastOffset = lastFirePosition - fireThreshhold
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if (offset * lastOffset < 0.0f && offset > 0.0f) {
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onPositiveCross.invoke()
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positiveReset = false
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}
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} else if (Math.abs(progress - fireThreshhold) > triggerSlack) {
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positiveReset = true
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}
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lastFirePosition = progress
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}
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}
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override fun onResume() {
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super.onResume()
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sessionObserver = subscribeToSessions()
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}
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override fun onPause() {
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super.onPause()
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sessionObserver?.let {
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requireComponents.core.sessionManager.unregister(it)
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}
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}
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private fun subscribeToSessions(): SessionManager.Observer {
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val observer = object : SessionManager.Observer {
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override fun onSessionAdded(session: Session) {
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super.onSessionAdded(session)
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getManagedEmitter<TabsChange>().onNext(
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TabsChange.Changed(requireComponents.core.sessionManager.sessions))
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}
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override fun onSessionRemoved(session: Session) {
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super.onSessionRemoved(session)
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getManagedEmitter<TabsChange>().onNext(
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TabsChange.Changed(requireComponents.core.sessionManager.sessions))
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}
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override fun onSessionSelected(session: Session) {
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super.onSessionSelected(session)
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getManagedEmitter<TabsChange>().onNext(
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TabsChange.Changed(requireComponents.core.sessionManager.sessions))
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}
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override fun onSessionsRestored() {
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super.onSessionsRestored()
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getManagedEmitter<TabsChange>().onNext(
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TabsChange.Changed(requireComponents.core.sessionManager.sessions))
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}
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override fun onAllSessionsRemoved() {
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super.onAllSessionsRemoved()
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getManagedEmitter<TabsChange>().onNext(
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TabsChange.Changed(requireComponents.core.sessionManager.sessions))
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}
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}
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requireComponents.core.sessionManager.register(observer)
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return observer
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}
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companion object {
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const val addTabButtonIncreaseDps = 8
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const val toolbarPaddingDp = 12f
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const val firstKeyTriggerFrame = 55
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const val secondKeyTriggerFrame = 90
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}
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}
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