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Convert ContentHelper to view binding

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FooIbar authored and tarsin committed 2023-03-08 19:41:40 +08:00
1 parent 46995511f1
commit c382f773a7
1 file changed
+109 -128
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app/src/main/java/com/hippo/widget/ContentLayout.kt
+109 -128
View File
@@ -23,14 +23,10 @@ import android.util.AttributeSet
import android.util.Log
import android.view.View
import android.widget.FrameLayout
import android.widget.TextView
import android.widget.Toast
import androidx.core.content.ContextCompat
import androidx.recyclerview.widget.RecyclerView
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout.OnRefreshListener
import com.google.android.material.progressindicator.LinearProgressIndicator
import com.hippo.easyrecyclerview.EasyRecyclerView
import com.hippo.easyrecyclerview.HandlerDrawable
import com.hippo.easyrecyclerview.LayoutManagerUtils
import com.hippo.easyrecyclerview.LayoutManagerUtils.OnScrollToPositionListener
@@ -143,11 +139,8 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
OnScrollToPositionListener { position: Int -> onScrollToPosition(position) }
protected var mPrev: String? = null
protected var mNext: String? = null
private var mTipView: TextView? = null
private var mRefreshLayout: SwipeRefreshLayout? = null
private var mBottomProgress: LinearProgressIndicator? = null
private var mRecyclerView: EasyRecyclerView? = null
private var mViewTransition: ViewTransition? = null
private lateinit var mViewTransition: ViewTransition
private lateinit var binding: WidgetContentLayoutBinding
/**
* Store data
@@ -162,7 +155,7 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
* page 3 size is 7, page 4 size is 8, page 5 size is 9,
* so `mPageDivider` contain 7, 15, 24.
*/
private var mPageDivider: IntList? = IntList()
private var mPageDivider = IntList()
/**
* The first page in `mData`
@@ -198,9 +191,9 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
private val mOnScrollListener: RecyclerView.OnScrollListener =
object : RecyclerView.OnScrollListener() {
override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
if (!mRefreshLayout!!.isRefreshing && !recyclerView.canScrollVertically(1)) {
if (!binding.refreshLayout.isRefreshing && !recyclerView.canScrollVertically(1)) {
if (mNext != null || mEndPage < pages) {
mBottomProgress!!.show()
binding.bottomProgress.show()
// Get next page
// Fill pages before NextPage with empty list
while (mNextPage > mEndPage && mEndPage < pages) {
@@ -227,7 +220,7 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
true
)
} else if (mStartPage > 0 && mEndPage == pages) {
mBottomProgress!!.show()
binding.bottomProgress.show()
// Refresh last page
mCurrentTaskId = mIdGenerator.nextId()
mCurrentTaskType = TYPE_REFRESH_PAGE
@@ -245,21 +238,16 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
}
private var mSavedDataId = IntIdGenerator.INVALID_ID
fun init(contentLayout: ContentLayout) {
binding = contentLayout.binding
mNextPageScrollSize = LayoutUtils.dp2pix(contentLayout.context, 48f)
val mProgressView = contentLayout.binding.progress
mTipView = contentLayout.binding.tip
val mContentView = contentLayout.binding.contentView
mRefreshLayout = contentLayout.binding.refreshLayout
mBottomProgress = contentLayout.binding.bottomProgress
mRecyclerView = contentLayout.binding.recyclerView
val drawable = ContextCompat.getDrawable(context, R.drawable.big_sad_pandroid)!!
drawable.setBounds(0, 0, drawable.intrinsicWidth, drawable.intrinsicHeight)
mTipView!!.setCompoundDrawables(null, drawable, null, null)
mViewTransition = ViewTransition(mContentView, mProgressView, mTipView)
mViewTransition!!.setOnShowViewListener(this)
mRecyclerView!!.addOnScrollListener(mOnScrollListener)
mRefreshLayout!!.setOnRefreshListener(mOnRefreshListener)
mTipView!!.setOnClickListener { refresh() }
binding.tip.setCompoundDrawables(null, drawable, null, null)
mViewTransition = ViewTransition(binding.contentView, binding.progress, binding.tip)
mViewTransition.setOnShowViewListener(this)
binding.recyclerView.addOnScrollListener(mOnScrollListener)
binding.refreshLayout.setOnRefreshListener(mOnRefreshListener)
binding.tip.setOnClickListener { refresh() }
}
/**
@@ -284,23 +272,16 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
protected open fun onScrollToPosition(position: Int) {}
override fun onShowView(hiddenView: View, shownView: View) {}
val shownViewIndex: Int
get() = mViewTransition!!.shownViewIndex
get() = mViewTransition.shownViewIndex
fun setRefreshLayoutEnable(enable: Boolean) {
mRefreshLayout!!.isEnabled = enable
}
fun setEnable(enable: Boolean) {
mRefreshLayout!!.isEnabled = enable
binding.refreshLayout.isEnabled = enable
}
fun setEmptyString(str: String) {
mEmptyString = str
}
val data: List<E>
get() = mData
fun getDataAtEx(location: Int): E? {
return if (location >= 0 && location < mData.size) {
mData[location]
@@ -310,7 +291,7 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
}
val firstVisibleItem: E?
get() = getDataAtEx(LayoutManagerUtils.getFirstVisibleItemPosition(mRecyclerView!!.layoutManager))
get() = getDataAtEx(LayoutManagerUtils.getFirstVisibleItemPosition(binding.recyclerView.layoutManager))
fun size(): Int {
return mData.size
@@ -351,8 +332,8 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
mNextPage = nextPage
mPrev = prev
mNext = next
mPageDivider!!.clear()
mPageDivider!!.add(data.size)
mPageDivider.clear()
mPageDivider.add(data.size)
if (data.isEmpty()) {
mData.clear()
onClearData()
@@ -360,8 +341,8 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
// Not found
// Ui change, show empty string
mRefreshLayout!!.isRefreshing = false
mBottomProgress!!.hide()
binding.refreshLayout.isRefreshing = false
binding.bottomProgress.hide()
showEmptyString()
} else {
mData.clear()
@@ -371,15 +352,15 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
notifyDataSetChanged()
// Ui change, show content
mRefreshLayout!!.isRefreshing = false
mBottomProgress!!.hide()
binding.refreshLayout.isRefreshing = false
binding.bottomProgress.hide()
showContent()
// RecyclerView scroll
if (mRecyclerView!!.isAttachedToWindow) {
mRecyclerView!!.stopScroll()
if (binding.recyclerView.isAttachedToWindow) {
binding.recyclerView.stopScroll()
LayoutManagerUtils.scrollToPositionWithOffset(
mRecyclerView!!.layoutManager,
binding.recyclerView.layoutManager,
0,
0
)
@@ -392,12 +373,12 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
removeDuplicateData(data, 0, CHECK_DUPLICATE_RANGE)
dataSize = data.size
var i = 0
val n = mPageDivider!!.size
val n = mPageDivider.size
while (i < n) {
mPageDivider!![i] = mPageDivider!![i] + dataSize
mPageDivider[i] = mPageDivider[i] + dataSize
i++
}
mPageDivider!!.add(0, dataSize)
mPageDivider.add(0, dataSize)
mStartPage--
this.pages = pages.coerceAtLeast(mEndPage)
mPrev = prev
@@ -406,19 +387,19 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
// OK, that's all
if (mData.isEmpty()) {
// Ui change, show empty string
mRefreshLayout!!.isRefreshing = false
mBottomProgress!!.hide()
binding.refreshLayout.isRefreshing = false
binding.bottomProgress.hide()
showEmptyString()
} else {
// Ui change, show content
mRefreshLayout!!.isRefreshing = false
mBottomProgress!!.hide()
binding.refreshLayout.isRefreshing = false
binding.bottomProgress.hide()
showContent()
if (mCurrentTaskType == TYPE_PRE_PAGE && mRecyclerView!!.isAttachedToWindow) {
if (mCurrentTaskType == TYPE_PRE_PAGE && binding.recyclerView.isAttachedToWindow) {
// RecyclerView scroll, to top
mRecyclerView!!.stopScroll()
binding.recyclerView.stopScroll()
LayoutManagerUtils.scrollToPositionWithOffset(
mRecyclerView!!.layoutManager,
binding.recyclerView.layoutManager,
0,
0
)
@@ -431,21 +412,21 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
notifyItemRangeInserted(0, data.size)
// Ui change, show content
mRefreshLayout!!.isRefreshing = false
mBottomProgress!!.hide()
binding.refreshLayout.isRefreshing = false
binding.bottomProgress.hide()
showContent()
if (mRecyclerView!!.isAttachedToWindow) {
if (binding.recyclerView.isAttachedToWindow) {
// RecyclerView scroll
if (mCurrentTaskType == TYPE_PRE_PAGE_KEEP_POS) {
mRecyclerView!!.stopScroll()
binding.recyclerView.stopScroll()
LayoutManagerUtils.scrollToPositionProperly(
mRecyclerView!!.layoutManager, context,
binding.recyclerView.layoutManager, context,
dataSize - 1, mOnScrollToPositionListener
)
} else {
mRecyclerView!!.stopScroll()
binding.recyclerView.stopScroll()
LayoutManagerUtils.scrollToPositionWithOffset(
mRecyclerView!!.layoutManager,
binding.recyclerView.layoutManager,
0,
0
)
@@ -459,7 +440,7 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
removeDuplicateData(data, mData.size - CHECK_DUPLICATE_RANGE, mData.size)
dataSize = data.size
val oldDataSize = mData.size
mPageDivider!!.add(oldDataSize + dataSize)
mPageDivider.add(oldDataSize + dataSize)
mEndPage++
mNextPage = nextPage
this.pages = pages.coerceAtLeast(mEndPage)
@@ -468,19 +449,19 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
// OK, that's all
if (mData.isEmpty()) {
// Ui change, show empty string
mRefreshLayout!!.isRefreshing = false
mBottomProgress!!.hide()
binding.refreshLayout.isRefreshing = false
binding.bottomProgress.hide()
showEmptyString()
} else {
// Ui change, show content
mRefreshLayout!!.isRefreshing = false
mBottomProgress!!.hide()
binding.refreshLayout.isRefreshing = false
binding.bottomProgress.hide()
showContent()
if (mCurrentTaskType == TYPE_NEXT_PAGE && mRecyclerView!!.isAttachedToWindow) {
if (mCurrentTaskType == TYPE_NEXT_PAGE && binding.recyclerView.isAttachedToWindow) {
// RecyclerView scroll
mRecyclerView!!.stopScroll()
binding.recyclerView.stopScroll()
LayoutManagerUtils.scrollToPositionWithOffset(
mRecyclerView!!.layoutManager,
binding.recyclerView.layoutManager,
oldDataSize,
0
)
@@ -493,17 +474,17 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
notifyItemRangeInserted(oldDataSize, dataSize)
// Ui change, show content
mRefreshLayout!!.isRefreshing = false
mBottomProgress!!.hide()
binding.refreshLayout.isRefreshing = false
binding.bottomProgress.hide()
showContent()
if (mRecyclerView!!.isAttachedToWindow) {
if (binding.recyclerView.isAttachedToWindow) {
if (mCurrentTaskType == TYPE_NEXT_PAGE_KEEP_POS) {
mRecyclerView!!.stopScroll()
mRecyclerView!!.smoothScrollBy(0, mNextPageScrollSize)
binding.recyclerView.stopScroll()
binding.recyclerView.smoothScrollBy(0, mNextPageScrollSize)
} else {
mRecyclerView!!.stopScroll()
binding.recyclerView.stopScroll()
LayoutManagerUtils.scrollToPositionWithOffset(
mRecyclerView!!.layoutManager,
binding.recyclerView.layoutManager,
oldDataSize,
0
)
@@ -520,8 +501,8 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
this.pages = pages
mPrev = prev
mNext = next
mPageDivider!!.clear()
mPageDivider!!.add(data.size)
mPageDivider.clear()
mPageDivider.add(data.size)
if (data.isEmpty()) {
mData.clear()
onClearData()
@@ -529,8 +510,8 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
// Not found
// Ui change, show empty string
mRefreshLayout!!.isRefreshing = false
mBottomProgress!!.hide()
binding.refreshLayout.isRefreshing = false
binding.bottomProgress.hide()
showEmptyString()
} else {
mData.clear()
@@ -540,14 +521,14 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
notifyDataSetChanged()
// Ui change, show content
mRefreshLayout!!.isRefreshing = false
mBottomProgress!!.hide()
binding.refreshLayout.isRefreshing = false
binding.bottomProgress.hide()
showContent()
if (mRecyclerView!!.isAttachedToWindow) {
if (binding.recyclerView.isAttachedToWindow) {
// RecyclerView scroll
mRecyclerView!!.stopScroll()
binding.recyclerView.stopScroll()
LayoutManagerUtils.scrollToPositionWithOffset(
mRecyclerView!!.layoutManager,
binding.recyclerView.layoutManager,
0,
0
)
@@ -570,8 +551,8 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
}
this.pages = pages.coerceAtLeast(mEndPage)
val oldIndexStart =
if (mCurrentTaskPage == mStartPage) 0 else mPageDivider!![mCurrentTaskPage - mStartPage - 1]
val oldIndexEnd = mPageDivider!![mCurrentTaskPage - mStartPage]
if (mCurrentTaskPage == mStartPage) 0 else mPageDivider[mCurrentTaskPage - mStartPage - 1]
val oldIndexEnd = mPageDivider[mCurrentTaskPage - mStartPage]
val toRemove = mData.subList(oldIndexStart, oldIndexEnd)
onRemoveData(toRemove)
toRemove.clear()
@@ -585,27 +566,27 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
onAddData(data)
notifyDataSetChanged()
var i = mCurrentTaskPage - mStartPage
val n = mPageDivider!!.size
val n = mPageDivider.size
while (i < n) {
mPageDivider!![i] = mPageDivider!![i] - oldIndexEnd + newIndexEnd
mPageDivider[i] = mPageDivider[i] - oldIndexEnd + newIndexEnd
i++
}
if (mData.isEmpty()) {
// Ui change, show empty string
mRefreshLayout!!.isRefreshing = false
mBottomProgress!!.hide()
binding.refreshLayout.isRefreshing = false
binding.bottomProgress.hide()
showEmptyString()
} else {
// Ui change, show content
mRefreshLayout!!.isRefreshing = false
mBottomProgress!!.hide()
binding.refreshLayout.isRefreshing = false
binding.bottomProgress.hide()
showContent()
// RecyclerView scroll
if (newIndexEnd > oldIndexEnd && newIndexEnd > 0 && mRecyclerView!!.isAttachedToWindow) {
mRecyclerView!!.stopScroll()
if (newIndexEnd > oldIndexEnd && newIndexEnd > 0 && binding.recyclerView.isAttachedToWindow) {
binding.recyclerView.stopScroll()
LayoutManagerUtils.scrollToPositionWithOffset(
mRecyclerView!!.layoutManager,
binding.recyclerView.layoutManager,
newIndexEnd - 1,
0
)
@@ -619,15 +600,15 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
fun onGetException(taskId: Int, e: Exception?) {
if (mCurrentTaskId == taskId) {
mRefreshLayout!!.isRefreshing = false
mBottomProgress!!.hide()
binding.refreshLayout.isRefreshing = false
binding.bottomProgress.hide()
val readableError = if (e != null) {
e.printStackTrace()
ExceptionUtils.getReadableString(e)
} else {
context.getString(R.string.error_unknown)
}
if (mViewTransition!!.shownViewIndex == 0) {
if (mViewTransition.shownViewIndex == 0) {
Toast.makeText(context, readableError, Toast.LENGTH_SHORT).show()
} else {
showText(readableError)
@@ -636,20 +617,20 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
}
private fun showContent() {
mViewTransition!!.showView(0)
mViewTransition.showView(0)
}
private val isContentShowing: Boolean
get() = mViewTransition!!.shownViewIndex == 0
get() = mViewTransition.shownViewIndex == 0
@JvmOverloads
fun showProgressBar(animation: Boolean = true) {
mViewTransition!!.showView(1, animation)
mViewTransition.showView(1, animation)
}
private fun showText(text: CharSequence?) {
mTipView!!.text = text
mViewTransition!!.showView(2)
binding.tip.text = text
mViewTransition.showView(2)
}
private fun showEmptyString() {
@@ -681,15 +662,15 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
private fun cancelCurrentTask() {
mCurrentTaskId = mIdGenerator.nextId()
mRefreshLayout!!.isRefreshing = false
mBottomProgress!!.hide()
binding.refreshLayout.isRefreshing = false
binding.bottomProgress.hide()
}
private fun getPageStart(page: Int): Int {
return if (mStartPage == page) {
0
} else {
mPageDivider!![page - mStartPage - 1]
mPageDivider[page - mStartPage - 1]
}
}
@@ -699,7 +680,7 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
}
val pageDivider = mPageDivider
var i = 0
val n = pageDivider!!.size
val n = pageDivider.size
while (i < n) {
if (position < pageDivider[i]) {
return i + mStartPage
@@ -710,9 +691,9 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
}
val pageForTop: Int
get() = getPageForPosition(LayoutManagerUtils.getFirstVisibleItemPosition(mRecyclerView!!.layoutManager))
get() = getPageForPosition(LayoutManagerUtils.getFirstVisibleItemPosition(binding.recyclerView.layoutManager))
val pageForBottom: Int
get() = getPageForPosition(LayoutManagerUtils.getLastVisibleItemPosition(mRecyclerView!!.layoutManager))
get() = getPageForPosition(LayoutManagerUtils.getLastVisibleItemPosition(binding.recyclerView.layoutManager))
fun canGoTo(): Boolean {
return isContentShowing
@@ -731,30 +712,30 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
} else if (page in mStartPage until mEndPage) {
cancelCurrentTask()
val position = getPageStart(page)
mRecyclerView!!.stopScroll()
binding.recyclerView.stopScroll()
LayoutManagerUtils.scrollToPositionWithOffset(
mRecyclerView!!.layoutManager,
binding.recyclerView.layoutManager,
position,
0
)
onScrollToPosition(position)
} else if (page == mStartPage - 1) {
mRefreshLayout!!.isRefreshing = true
mBottomProgress!!.hide()
binding.refreshLayout.isRefreshing = true
binding.bottomProgress.hide()
mCurrentTaskId = mIdGenerator.nextId()
mCurrentTaskType = TYPE_PRE_PAGE
mCurrentTaskPage = page
getPageData(mCurrentTaskId, mCurrentTaskType, mCurrentTaskPage, null, true)
} else if (page == mEndPage) {
mRefreshLayout!!.isRefreshing = false
mBottomProgress!!.show()
binding.refreshLayout.isRefreshing = false
binding.bottomProgress.show()
mCurrentTaskId = mIdGenerator.nextId()
mCurrentTaskType = TYPE_NEXT_PAGE
mCurrentTaskPage = page
getPageData(mCurrentTaskId, mCurrentTaskType, mCurrentTaskPage, null, true)
} else {
mRefreshLayout!!.isRefreshing = true
mBottomProgress!!.hide()
binding.refreshLayout.isRefreshing = true
binding.bottomProgress.hide()
mCurrentTaskId = mIdGenerator.nextId()
mCurrentTaskType = TYPE_SOMEWHERE
mCurrentTaskPage = page
@@ -763,8 +744,8 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
}
fun goTo(index: String?, isNext: Boolean) {
mRefreshLayout!!.isRefreshing = true
mBottomProgress!!.hide()
binding.refreshLayout.isRefreshing = true
binding.bottomProgress.hide()
mCurrentTaskId = mIdGenerator.nextId()
mCurrentTaskType = TYPE_SOMEWHERE
mCurrentTaskPage = 0
@@ -775,12 +756,12 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
if (mData.isNotEmpty()) cancelCurrentTask()
val bundle = Bundle()
bundle.putParcelable(KEY_SUPER, superState)
val shownView = mViewTransition!!.shownViewIndex
val shownView = mViewTransition.shownViewIndex
bundle.putInt(KEY_SHOWN_VIEW, shownView)
bundle.putString(KEY_TIP, mTipView!!.text.toString())
bundle.putString(KEY_TIP, binding.tip.text.toString())
// TODO It's a bad design
val app = context.applicationContext as EhApplication
val app = EhApplication.application
if (mSavedDataId != IntIdGenerator.INVALID_ID) {
app.removeGlobalStuff(mSavedDataId)
mSavedDataId = IntIdGenerator.INVALID_ID
@@ -799,11 +780,11 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
open fun restoreInstanceState(state: Parcelable): Parcelable? {
return if (state is Bundle) {
mViewTransition!!.showView(state.getInt(KEY_SHOWN_VIEW), false)
mTipView!!.text = state.getString(KEY_TIP)
mViewTransition.showView(state.getInt(KEY_SHOWN_VIEW), false)
binding.tip.text = state.getString(KEY_TIP)
mSavedDataId = state.getInt(KEY_DATA)
var newData: ArrayList<E>? = null
val app = context.applicationContext as EhApplication
val app = EhApplication.application
if (mSavedDataId != IntIdGenerator.INVALID_ID) {
newData = app.removeGlobalStuff(mSavedDataId) as ArrayList<E>?
mSavedDataId = IntIdGenerator.INVALID_ID
@@ -812,7 +793,7 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
}
}
mIdGenerator.setNextId(state.getInt(KEY_NEXT_ID))
mPageDivider = state.getParcelableCompat(KEY_PAGE_DIVIDER)
mPageDivider = state.getParcelableCompat(KEY_PAGE_DIVIDER)!!
mStartPage = state.getInt(KEY_START_PAGE)
mEndPage = state.getInt(KEY_END_PAGE)
pages = state.getInt(KEY_PAGES)
@@ -820,7 +801,7 @@ class ContentLayout(context: Context, attrs: AttributeSet? = null) : FrameLayout
mNext = state.getString(KEY_NEXT)
notifyDataSetChanged()
if (newData == null) {
mPageDivider!!.clear()
mPageDivider.clear()
mStartPage = 0
mEndPage = 0
pages = 0