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Code Issues Packages Projects Releases Wiki Activity

Reduce size of RoomDetailFragment

This commit is contained in:
Benoit Marty 2020-01-08 15:03:58 +01:00
parent 7575cb286e
commit 501ac36040
3 changed files with 87 additions and 41 deletions
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2
vector/src/main/java/im/vector/riotx/core/utils/Debouncer.kt
View File

@ -19,7 +19,7 @@ package im.vector.riotx.core.utils
import android.os.Handler
internal class Debouncer(private val handler: Handler) {
class Debouncer(private val handler: Handler) {
private val runnables = HashMap<String, Runnable>()

77
vector/src/main/java/im/vector/riotx/features/home/room/detail/JumpToBottomViewVisibilityManager.kt Normal file
View File

@ -0,0 +1,77 @@
/*
* Copyright 2020 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package im.vector.riotx.features.home.room.detail
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import com.google.android.material.floatingactionbutton.FloatingActionButton
import im.vector.riotx.core.utils.Debouncer
import timber.log.Timber
/**
* Show or hide the jumpToBottomView, depending on the scrolling and if the timeline is displaying the more recent event
* - When user scrolls up (i.e. going to the past): hide
* - When user scrolls down: show if not displaying last event
* - When user stops scrolling: show if not displaying last event
*/
class JumpToBottomViewVisibilityManager(
private val jumpToBottomView: FloatingActionButton,
private val debouncer: Debouncer,
recyclerView: RecyclerView,
private val layoutManager: LinearLayoutManager) {
init {
recyclerView.addOnScrollListener(object : RecyclerView.OnScrollListener() {
override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
debouncer.cancel("jump_to_bottom_visibility")
val scrollingToPast = dy < 0
if (scrollingToPast) {
jumpToBottomView.hide()
} else {
maybeShowJumpToBottomViewVisibility()
}
}
override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
when (newState) {
RecyclerView.SCROLL_STATE_IDLE -> {
maybeShowJumpToBottomViewVisibilityWithDelay()
}
RecyclerView.SCROLL_STATE_DRAGGING,
RecyclerView.SCROLL_STATE_SETTLING -> Unit
}
}
})
}
fun maybeShowJumpToBottomViewVisibilityWithDelay() {
debouncer.debounce("jump_to_bottom_visibility", 250, Runnable {
maybeShowJumpToBottomViewVisibility()
})
}
private fun maybeShowJumpToBottomViewVisibility() {
Timber.v("First visible: ${layoutManager.findFirstCompletelyVisibleItemPosition()}")
if (layoutManager.findFirstVisibleItemPosition() != 0) {
jumpToBottomView.show()
} else {
jumpToBottomView.hide()
}
}
}

49
vector/src/main/java/im/vector/riotx/features/home/room/detail/RoomDetailFragment.kt
View File

@ -181,6 +181,7 @@ class RoomDetailFragment @Inject constructor(
private lateinit var sharedActionViewModel: MessageSharedActionViewModel
private lateinit var layoutManager: LinearLayoutManager
private lateinit var jumpToBottomViewVisibilityManager: JumpToBottomViewVisibilityManager
private var modelBuildListener: OnModelBuildFinishedListener? = null
private lateinit var attachmentsHelper: AttachmentsHelper
@ -312,6 +313,13 @@ class RoomDetailFragment @Inject constructor(
}
}
}
jumpToBottomViewVisibilityManager = JumpToBottomViewVisibilityManager(
jumpToBottomView,
debouncer,
recyclerView,
layoutManager
)
}
private fun setupJumpToReadMarkerView() {
@ -474,35 +482,11 @@ class RoomDetailFragment @Inject constructor(
it.dispatchTo(scrollOnNewMessageCallback)
it.dispatchTo(scrollOnHighlightedEventCallback)
updateJumpToReadMarkerViewVisibility()
maybeShowJumpToBottomViewVisibilityWithDelay()
jumpToBottomViewVisibilityManager.maybeShowJumpToBottomViewVisibilityWithDelay()
}
timelineEventController.addModelBuildListener(modelBuildListener)
recyclerView.adapter = timelineEventController.adapter
recyclerView.addOnScrollListener(object : RecyclerView.OnScrollListener() {
override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
debouncer.cancel("jump_to_bottom_visibility")
val scrollingToPast = dy < 0
if (scrollingToPast) {
jumpToBottomView.hide()
} else {
maybeShowJumpToBottomViewVisibility()
}
}
override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
when (newState) {
RecyclerView.SCROLL_STATE_IDLE -> {
maybeShowJumpToBottomViewVisibilityWithDelay()
}
RecyclerView.SCROLL_STATE_DRAGGING,
RecyclerView.SCROLL_STATE_SETTLING -> Unit
}
}
})
timelineEventController.callback = this
if (vectorPreferences.swipeToReplyIsEnabled()) {
@ -557,21 +541,6 @@ class RoomDetailFragment @Inject constructor(
}
}
private fun maybeShowJumpToBottomViewVisibilityWithDelay() {
debouncer.debounce("jump_to_bottom_visibility", 250, Runnable {
maybeShowJumpToBottomViewVisibility()
})
}
private fun maybeShowJumpToBottomViewVisibility() {
Timber.v("First visible: ${layoutManager.findFirstCompletelyVisibleItemPosition()}")
if (layoutManager.findFirstVisibleItemPosition() != 0) {
jumpToBottomView.show()
} else {
jumpToBottomView.hide()
}
}
private fun setupComposer() {
autoCompleter.setup(composerLayout.composerEditText, this)