Merge pull request #113 from esensar/improvement/page-swiping
Improve page change behavior
This commit is contained in:
commit
a1b459f396
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@ -60,6 +60,8 @@ class MainActivity : SimpleActivity(), FlingListener {
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private var mMoveGestureThreshold = 0
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private var mMoveGestureThreshold = 0
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private var mIgnoreUpEvent = false
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private var mIgnoreUpEvent = false
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private var mIgnoreMoveEvents = false
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private var mIgnoreMoveEvents = false
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private var mIgnoreXMoveEvents = false
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private var mIgnoreYMoveEvents = false
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private var mLongPressedIcon: HomeScreenGridItem? = null
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private var mLongPressedIcon: HomeScreenGridItem? = null
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private var mOpenPopupMenu: PopupMenu? = null
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private var mOpenPopupMenu: PopupMenu? = null
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private var mCachedLaunchers = ArrayList<AppLauncher>()
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private var mCachedLaunchers = ArrayList<AppLauncher>()
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@ -362,13 +364,20 @@ class MainActivity : SimpleActivity(), FlingListener {
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if (hasFingerMoved && !mIgnoreMoveEvents) {
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if (hasFingerMoved && !mIgnoreMoveEvents) {
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val diffY = mTouchDownY - event.y
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val diffY = mTouchDownY - event.y
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val diffX = mTouchDownX - event.x
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if (isWidgetsFragmentExpanded()) {
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if (abs(diffY) > abs(diffX) && !mIgnoreYMoveEvents) {
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val newY = mWidgetsFragmentY - diffY
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mIgnoreXMoveEvents = true
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binding.widgetsFragment.root.y = Math.min(Math.max(0f, newY), mScreenHeight.toFloat())
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if (isWidgetsFragmentExpanded()) {
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} else if (mLongPressedIcon == null) {
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val newY = mWidgetsFragmentY - diffY
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val newY = mAllAppsFragmentY - diffY
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binding.widgetsFragment.root.y = Math.min(Math.max(0f, newY), mScreenHeight.toFloat())
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binding.allAppsFragment.root.y = Math.min(Math.max(0f, newY), mScreenHeight.toFloat())
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} else if (mLongPressedIcon == null) {
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val newY = mAllAppsFragmentY - diffY
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binding.allAppsFragment.root.y = Math.min(Math.max(0f, newY), mScreenHeight.toFloat())
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}
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} else if (abs(diffX) > abs(diffY) && !mIgnoreXMoveEvents) {
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mIgnoreYMoveEvents = true
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binding.homeScreenGrid.root.setSwipeMovement(diffX)
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}
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}
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}
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}
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@ -386,18 +395,27 @@ class MainActivity : SimpleActivity(), FlingListener {
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binding.homeScreenGrid.root.itemDraggingStopped()
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binding.homeScreenGrid.root.itemDraggingStopped()
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if (!mIgnoreUpEvent) {
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if (!mIgnoreUpEvent) {
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if (binding.allAppsFragment.root.y < mScreenHeight * 0.5) {
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if (!mIgnoreYMoveEvents) {
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showFragment(binding.allAppsFragment)
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if (binding.allAppsFragment.root.y < mScreenHeight * 0.5) {
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} else if (isAllAppsFragmentExpanded()) {
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showFragment(binding.allAppsFragment)
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hideFragment(binding.allAppsFragment)
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} else if (isAllAppsFragmentExpanded()) {
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hideFragment(binding.allAppsFragment)
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}
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if (binding.widgetsFragment.root.y < mScreenHeight * 0.5) {
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showFragment(binding.widgetsFragment)
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} else if (isWidgetsFragmentExpanded()) {
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hideFragment(binding.widgetsFragment)
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}
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}
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}
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if (binding.widgetsFragment.root.y < mScreenHeight * 0.5) {
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if (!mIgnoreXMoveEvents) {
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showFragment(binding.widgetsFragment)
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binding.homeScreenGrid.root.finalizeSwipe()
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} else if (isWidgetsFragmentExpanded()) {
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hideFragment(binding.widgetsFragment)
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}
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}
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}
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}
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mIgnoreXMoveEvents = false
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mIgnoreYMoveEvents = false
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}
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}
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}
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}
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@ -731,6 +749,10 @@ class MainActivity : SimpleActivity(), FlingListener {
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}
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}
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override fun onFlingUp() {
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override fun onFlingUp() {
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if (mIgnoreYMoveEvents) {
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return
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}
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if (!isWidgetsFragmentExpanded()) {
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if (!isWidgetsFragmentExpanded()) {
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mIgnoreUpEvent = true
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mIgnoreUpEvent = true
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showFragment(binding.allAppsFragment)
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showFragment(binding.allAppsFragment)
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@ -739,6 +761,10 @@ class MainActivity : SimpleActivity(), FlingListener {
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@SuppressLint("WrongConstant")
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@SuppressLint("WrongConstant")
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override fun onFlingDown() {
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override fun onFlingDown() {
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if (mIgnoreYMoveEvents) {
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return
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}
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mIgnoreUpEvent = true
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mIgnoreUpEvent = true
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if (isAllAppsFragmentExpanded()) {
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if (isAllAppsFragmentExpanded()) {
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hideFragment(binding.allAppsFragment)
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hideFragment(binding.allAppsFragment)
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@ -753,11 +779,19 @@ class MainActivity : SimpleActivity(), FlingListener {
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}
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}
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override fun onFlingRight() {
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override fun onFlingRight() {
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if (mIgnoreXMoveEvents) {
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return
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}
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mIgnoreUpEvent = true
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mIgnoreUpEvent = true
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binding.homeScreenGrid.root.prevPage(redraw = true)
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binding.homeScreenGrid.root.prevPage(redraw = true)
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}
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}
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override fun onFlingLeft() {
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override fun onFlingLeft() {
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if (mIgnoreXMoveEvents) {
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return
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}
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mIgnoreUpEvent = true
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mIgnoreUpEvent = true
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binding.homeScreenGrid.root.nextPage(redraw = true)
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binding.homeScreenGrid.root.nextPage(redraw = true)
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}
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}
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@ -11,6 +11,7 @@ import android.content.Context
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import android.graphics.*
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import android.graphics.*
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import android.graphics.drawable.BitmapDrawable
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import android.graphics.drawable.BitmapDrawable
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import android.os.Bundle
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import android.os.Bundle
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import android.os.Handler
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import android.text.Layout
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import android.text.Layout
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import android.text.StaticLayout
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import android.text.StaticLayout
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import android.text.TextPaint
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import android.text.TextPaint
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@ -37,10 +38,7 @@ import com.simplemobiletools.launcher.extensions.getDrawableForPackageName
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import com.simplemobiletools.launcher.extensions.homeScreenGridItemsDB
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import com.simplemobiletools.launcher.extensions.homeScreenGridItemsDB
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import com.simplemobiletools.launcher.helpers.*
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import com.simplemobiletools.launcher.helpers.*
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import com.simplemobiletools.launcher.models.HomeScreenGridItem
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import com.simplemobiletools.launcher.models.HomeScreenGridItem
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import kotlin.math.abs
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import kotlin.math.*
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import kotlin.math.floor
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import kotlin.math.max
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import kotlin.math.min
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class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : RelativeLayout(context, attrs, defStyle) {
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class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : RelativeLayout(context, attrs, defStyle) {
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constructor(context: Context, attrs: AttributeSet) : this(context, attrs, 0)
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constructor(context: Context, attrs: AttributeSet) : this(context, attrs, 0)
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@ -70,13 +68,14 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
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private var redrawWidgets = false
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private var redrawWidgets = false
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private var iconSize = 0
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private var iconSize = 0
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private var lastPage = 0
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private val pager = AnimatedGridPager(
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private var currentPage = 0
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getMaxPage = ::getMaxPage,
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private var pageChangeLastArea = PageChangeArea.MIDDLE
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redrawGrid = ::redrawGrid,
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private var pageChangeLastAreaEntryTime = 0L
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getWidth = { width },
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private var pageChangeAnimLeftPercentage = 0f
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getHandler = { handler },
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private var pageChangeEnabled = true
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getNextPageBound = { right - sideMargins.right - cellWidth / 2 },
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private var pageChangeIndicatorsAlpha = 0f
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getPrevPageBound = { left + sideMargins.left + cellWidth / 2 }
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)
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// apply fake margins at the home screen. Real ones would cause the icons be cut at dragging at screen sides
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// apply fake margins at the home screen. Real ones would cause the icons be cut at dragging at screen sides
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var sideMargins = Rect()
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var sideMargins = Rect()
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@ -92,26 +91,6 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
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var itemClickListener: ((HomeScreenGridItem) -> Unit)? = null
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var itemClickListener: ((HomeScreenGridItem) -> Unit)? = null
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var itemLongClickListener: ((HomeScreenGridItem) -> Unit)? = null
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var itemLongClickListener: ((HomeScreenGridItem) -> Unit)? = null
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private val checkAndExecuteDelayedPageChange: Runnable = Runnable {
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if (System.currentTimeMillis() - pageChangeLastAreaEntryTime > PAGE_CHANGE_HOLD_THRESHOLD) {
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when (pageChangeLastArea) {
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PageChangeArea.RIGHT -> nextOrAdditionalPage(true)
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PageChangeArea.LEFT -> prevPage(true)
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else -> clearPageChangeFlags()
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}
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}
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}
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private val startFadingIndicators: Runnable = Runnable {
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ValueAnimator.ofFloat(1f, 0f)
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.apply {
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addUpdateListener {
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pageChangeIndicatorsAlpha = it.animatedValue as Float
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redrawGrid()
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}
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start()
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}
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}
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init {
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init {
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ViewCompat.setAccessibilityDelegate(this, HomeScreenGridTouchHelper(this))
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ViewCompat.setAccessibilityDelegate(this, HomeScreenGridTouchHelper(this))
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@ -197,7 +176,7 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
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}
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}
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gridItems.removeIf { it.id == item.id }
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gridItems.removeIf { it.id == item.id }
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if (currentPage > getMaxPage()) {
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if (pager.isOutsideOfPageRange()) {
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post {
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post {
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prevPage()
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prevPage()
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}
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}
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@ -232,9 +211,7 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
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return
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return
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}
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}
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pageChangeIndicatorsAlpha = 1f
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if (draggedItemCurrentCoords.first == -1 && draggedItemCurrentCoords.second == -1) {
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removeCallbacks(startFadingIndicators)
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if (draggedItemCurrentCoords.first == -1 && draggedItemCurrentCoords.second == -1 && draggedItem != null) {
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if (draggedItem!!.type == ITEM_TYPE_WIDGET) {
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if (draggedItem!!.type == ITEM_TYPE_WIDGET) {
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val draggedWidgetView = widgetViews.firstOrNull { it.tag == draggedItem?.widgetId }
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val draggedWidgetView = widgetViews.firstOrNull { it.tag == draggedItem?.widgetId }
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if (draggedWidgetView != null) {
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if (draggedWidgetView != null) {
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@ -246,47 +223,10 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
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}
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}
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draggedItemCurrentCoords = Pair(x, y)
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draggedItemCurrentCoords = Pair(x, y)
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if (x > right - sideMargins.right - cellWidth / 2) {
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pager.handleItemMovement(x, y)
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doWithPageChangeDelay(PageChangeArea.RIGHT) {
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nextOrAdditionalPage()
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}
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} else if (x < left + sideMargins.left + cellWidth / 2) {
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doWithPageChangeDelay(PageChangeArea.LEFT) {
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prevPage()
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}
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} else {
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clearPageChangeFlags()
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}
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redrawGrid()
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redrawGrid()
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}
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}
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private fun clearPageChangeFlags() {
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pageChangeLastArea = PageChangeArea.MIDDLE
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pageChangeLastAreaEntryTime = 0
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removeCallbacks(checkAndExecuteDelayedPageChange)
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}
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private fun schedulePageChange() {
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pageChangeLastAreaEntryTime = System.currentTimeMillis()
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postDelayed(checkAndExecuteDelayedPageChange, PAGE_CHANGE_HOLD_THRESHOLD)
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}
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private fun scheduleIndicatorsFade() {
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pageChangeIndicatorsAlpha = 1f
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postDelayed(startFadingIndicators, PAGE_INDICATORS_FADE_DELAY)
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}
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private fun doWithPageChangeDelay(needed: PageChangeArea, pageChangeFunction: () -> Boolean) {
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if (pageChangeLastArea != needed) {
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pageChangeLastArea = needed
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schedulePageChange()
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} else if (System.currentTimeMillis() - pageChangeLastAreaEntryTime > PAGE_CHANGE_HOLD_THRESHOLD) {
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if (pageChangeFunction()) {
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clearPageChangeFlags()
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}
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}
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}
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// figure out at which cell was the item dropped, if it is empty
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// figure out at which cell was the item dropped, if it is empty
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fun itemDraggingStopped() {
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fun itemDraggingStopped() {
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widgetViews.forEach {
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widgetViews.forEach {
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@ -297,7 +237,7 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
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return
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return
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}
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}
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scheduleIndicatorsFade()
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pager.itemMovementStopped()
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when (draggedItem!!.type) {
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when (draggedItem!!.type) {
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ITEM_TYPE_ICON, ITEM_TYPE_SHORTCUT -> addAppIconOrShortcut()
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ITEM_TYPE_ICON, ITEM_TYPE_SHORTCUT -> addAppIconOrShortcut()
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ITEM_TYPE_WIDGET -> addWidget()
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ITEM_TYPE_WIDGET -> addWidget()
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@ -373,7 +313,7 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
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// check if the destination cell is empty
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// check if the destination cell is empty
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var areAllCellsEmpty = true
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var areAllCellsEmpty = true
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val wantedCell = Pair(xIndex, yIndex)
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val wantedCell = Pair(xIndex, yIndex)
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gridItems.filter { it.page == currentPage || it.docked }.forEach { item ->
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gridItems.filter { pager.isItemOnCurrentPage(it) || it.docked }.forEach { item ->
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for (xCell in item.left..item.right) {
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for (xCell in item.left..item.right) {
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for (yCell in item.getDockAdjustedTop(rowCount)..item.getDockAdjustedBottom(rowCount)) {
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for (yCell in item.getDockAdjustedTop(rowCount)..item.getDockAdjustedBottom(rowCount)) {
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val cell = Pair(xCell, yCell)
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val cell = Pair(xCell, yCell)
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@ -396,7 +336,7 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
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top = yIndex
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top = yIndex
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right = xIndex
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right = xIndex
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bottom = yIndex
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bottom = yIndex
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page = currentPage
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page = pager.getCurrentPage()
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docked = yIndex == rowCount - 1
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docked = yIndex == rowCount - 1
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ensureBackgroundThread {
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ensureBackgroundThread {
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@ -412,7 +352,7 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
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yIndex,
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yIndex,
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xIndex,
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xIndex,
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yIndex,
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yIndex,
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currentPage,
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pager.getCurrentPage(),
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draggedItem!!.packageName,
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draggedItem!!.packageName,
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draggedItem!!.activityName,
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draggedItem!!.activityName,
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draggedItem!!.title,
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draggedItem!!.title,
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@ -479,7 +419,7 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
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}
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}
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var areAllCellsEmpty = true
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var areAllCellsEmpty = true
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gridItems.filter { it.id != draggedItem?.id && (it.page == currentPage || it.docked) }.forEach { item ->
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gridItems.filter { it.id != draggedItem?.id && (pager.isItemOnCurrentPage(it) || it.docked) }.forEach { item ->
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for (xCell in item.left..item.right) {
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for (xCell in item.left..item.right) {
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for (yCell in item.getDockAdjustedTop(rowCount)..item.getDockAdjustedBottom(rowCount)) {
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for (yCell in item.getDockAdjustedTop(rowCount)..item.getDockAdjustedBottom(rowCount)) {
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val cell = Pair(xCell, yCell)
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val cell = Pair(xCell, yCell)
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@ -499,7 +439,7 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
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top = widgetRect.top
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top = widgetRect.top
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right = widgetRect.right
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right = widgetRect.right
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bottom = widgetRect.bottom
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bottom = widgetRect.bottom
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page = currentPage
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page = pager.getCurrentPage()
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}
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}
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ensureBackgroundThread {
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ensureBackgroundThread {
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@ -516,7 +456,7 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
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widgetItem.top,
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widgetItem.top,
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widgetItem.right,
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widgetItem.right,
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widgetItem.bottom,
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widgetItem.bottom,
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currentPage,
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pager.getCurrentPage(),
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false,
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false,
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widgetItem.id!!
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widgetItem.id!!
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)
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)
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@ -575,7 +515,7 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
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removeItemFromHomeScreen(item)
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removeItemFromHomeScreen(item)
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}
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}
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if (currentPage > getMaxPage()) {
|
if (pager.isOutsideOfPageRange()) {
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prevPage(redraw = true)
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prevPage(redraw = true)
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}
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}
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}
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}
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@ -610,25 +550,8 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
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||||||
}
|
}
|
||||||
|
|
||||||
private fun updateWidgetPositionAndSize(widgetView: AppWidgetHostView, item: HomeScreenGridItem): Size {
|
private fun updateWidgetPositionAndSize(widgetView: AppWidgetHostView, item: HomeScreenGridItem): Size {
|
||||||
var x = calculateWidgetX(item.left) + width * item.page - width * lastPage
|
val currentViewPosition = pager.getCurrentViewPositionInFullPageSpace() * width.toFloat()
|
||||||
if (pageChangeAnimLeftPercentage > 0f && pageChangeAnimLeftPercentage < 1f && (item.page == currentPage || item.page == lastPage)) {
|
val x = calculateWidgetX(item.left) + width * item.page - currentViewPosition
|
||||||
val xFactor = if (currentPage > lastPage) {
|
|
||||||
pageChangeAnimLeftPercentage
|
|
||||||
} else {
|
|
||||||
-pageChangeAnimLeftPercentage
|
|
||||||
}
|
|
||||||
val lastXFactor = if (currentPage > lastPage) {
|
|
||||||
pageChangeAnimLeftPercentage - 1
|
|
||||||
} else {
|
|
||||||
1 - pageChangeAnimLeftPercentage
|
|
||||||
}
|
|
||||||
if (item.page == currentPage) {
|
|
||||||
x += width * xFactor
|
|
||||||
}
|
|
||||||
if (item.page == lastPage) {
|
|
||||||
x += width * lastXFactor
|
|
||||||
}
|
|
||||||
}
|
|
||||||
widgetView.x = x
|
widgetView.x = x
|
||||||
widgetView.y = calculateWidgetY(item.top)
|
widgetView.y = calculateWidgetY(item.top)
|
||||||
val widgetWidth = item.getWidthInCells() * cellWidth
|
val widgetWidth = item.getWidthInCells() * cellWidth
|
||||||
|
@ -685,16 +608,8 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
|
||||||
fillCellSizes()
|
fillCellSizes()
|
||||||
}
|
}
|
||||||
|
|
||||||
val currentXFactor = if (currentPage > lastPage) {
|
val currentXFactor = pager.getXFactorForCurrentPage()
|
||||||
pageChangeAnimLeftPercentage
|
val lastXFactor = pager.getXFactorForLastPage()
|
||||||
} else {
|
|
||||||
-pageChangeAnimLeftPercentage
|
|
||||||
}
|
|
||||||
val lastXFactor = if (currentPage > lastPage) {
|
|
||||||
pageChangeAnimLeftPercentage - 1
|
|
||||||
} else {
|
|
||||||
1 - pageChangeAnimLeftPercentage
|
|
||||||
}
|
|
||||||
|
|
||||||
fun handleItemDrawing(item: HomeScreenGridItem, xFactor: Float) {
|
fun handleItemDrawing(item: HomeScreenGridItem, xFactor: Float) {
|
||||||
if (item.id != draggedItem?.id) {
|
if (item.id != draggedItem?.id) {
|
||||||
|
@ -729,7 +644,7 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
gridItems.filter { (it.drawable != null && it.type == ITEM_TYPE_ICON || it.type == ITEM_TYPE_SHORTCUT) && it.page == currentPage && !it.docked }
|
gridItems.filter { (it.drawable != null && it.type == ITEM_TYPE_ICON || it.type == ITEM_TYPE_SHORTCUT) && pager.isItemOnCurrentPage(it) && !it.docked }
|
||||||
.forEach { item ->
|
.forEach { item ->
|
||||||
if (item.outOfBounds()) {
|
if (item.outOfBounds()) {
|
||||||
return@forEach
|
return@forEach
|
||||||
|
@ -744,8 +659,8 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
|
||||||
|
|
||||||
handleItemDrawing(item, 0f)
|
handleItemDrawing(item, 0f)
|
||||||
}
|
}
|
||||||
if (pageChangeAnimLeftPercentage > 0f) {
|
if (pager.isAnimatingPageChange()) {
|
||||||
gridItems.filter { (it.drawable != null && it.type == ITEM_TYPE_ICON || it.type == ITEM_TYPE_SHORTCUT) && it.page == lastPage && !it.docked }
|
gridItems.filter { (it.drawable != null && it.type == ITEM_TYPE_ICON || it.type == ITEM_TYPE_SHORTCUT) && pager.isItemOnLastPage(it) && !it.docked }
|
||||||
.forEach { item ->
|
.forEach { item ->
|
||||||
if (item.outOfBounds()) {
|
if (item.outOfBounds()) {
|
||||||
return@forEach
|
return@forEach
|
||||||
|
@ -755,6 +670,20 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
if (pager.isSwiped()) {
|
||||||
|
gridItems.filter {
|
||||||
|
(it.drawable != null && it.type == ITEM_TYPE_ICON || it.type == ITEM_TYPE_SHORTCUT)
|
||||||
|
&& pager.isItemInSwipeRange(it)
|
||||||
|
&& !it.docked
|
||||||
|
}.forEach { item ->
|
||||||
|
if (item.outOfBounds()) {
|
||||||
|
return@forEach
|
||||||
|
}
|
||||||
|
|
||||||
|
handleItemDrawing(item, lastXFactor)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
if (isFirstDraw) {
|
if (isFirstDraw) {
|
||||||
gridItems.filter { it.type == ITEM_TYPE_WIDGET && !it.outOfBounds() }.forEach { item ->
|
gridItems.filter { it.type == ITEM_TYPE_WIDGET && !it.outOfBounds() }.forEach { item ->
|
||||||
bindWidget(item, true)
|
bindWidget(item, true)
|
||||||
|
@ -768,19 +697,15 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
|
||||||
}
|
}
|
||||||
|
|
||||||
// Only draw page indicators when there is a need for it
|
// Only draw page indicators when there is a need for it
|
||||||
if (pageChangeAnimLeftPercentage > 0f || pageChangeIndicatorsAlpha != 0f) {
|
if (pager.shouldDisplayPageChangeIndicator()) {
|
||||||
val pageCount = max(getMaxPage(), currentPage) + 1
|
val pageCount = pager.getPageCount()
|
||||||
val pageIndicatorsRequiredWidth = pageCount * pageIndicatorRadius * 2 + pageCount * (pageIndicatorMargin - 1)
|
val pageIndicatorsRequiredWidth = pageCount * pageIndicatorRadius * 2 + pageCount * (pageIndicatorMargin - 1)
|
||||||
val usableWidth = getFakeWidth()
|
val usableWidth = getFakeWidth()
|
||||||
val pageIndicatorsStart = (usableWidth - pageIndicatorsRequiredWidth) / 2 + sideMargins.left
|
val pageIndicatorsStart = (usableWidth - pageIndicatorsRequiredWidth) / 2 + sideMargins.left
|
||||||
var currentPageIndicatorLeft = pageIndicatorsStart
|
var currentPageIndicatorLeft = pageIndicatorsStart
|
||||||
val pageIndicatorY = cellYCoords[rowCount - 1].toFloat() + sideMargins.top + extraYMargin + iconMargin
|
val pageIndicatorY = cellYCoords[rowCount - 1].toFloat() + sideMargins.top + extraYMargin + iconMargin
|
||||||
val pageIndicatorStep = pageIndicatorRadius * 2 + pageIndicatorMargin
|
val pageIndicatorStep = pageIndicatorRadius * 2 + pageIndicatorMargin
|
||||||
if (pageChangeIndicatorsAlpha != 0f) {
|
emptyPageIndicatorPaint.alpha = pager.getPageChangeIndicatorsAlpha()
|
||||||
emptyPageIndicatorPaint.alpha = (pageChangeIndicatorsAlpha * 255.0f).toInt()
|
|
||||||
} else {
|
|
||||||
emptyPageIndicatorPaint.alpha = 255
|
|
||||||
}
|
|
||||||
// Draw empty page indicators
|
// Draw empty page indicators
|
||||||
for (page in 0 until pageCount) {
|
for (page in 0 until pageCount) {
|
||||||
canvas.drawCircle(currentPageIndicatorLeft + pageIndicatorRadius, pageIndicatorY, pageIndicatorRadius, emptyPageIndicatorPaint)
|
canvas.drawCircle(currentPageIndicatorLeft + pageIndicatorRadius, pageIndicatorY, pageIndicatorRadius, emptyPageIndicatorPaint)
|
||||||
|
@ -788,14 +713,8 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
|
||||||
}
|
}
|
||||||
|
|
||||||
// Draw current page indicator on exact position
|
// Draw current page indicator on exact position
|
||||||
val currentIndicatorRangeStart = pageIndicatorsStart + lastPage * pageIndicatorStep
|
val currentIndicatorPosition = pageIndicatorsStart + pager.getCurrentViewPositionInFullPageSpace() * pageIndicatorStep
|
||||||
val currentIndicatorRangeEnd = pageIndicatorsStart + currentPage * pageIndicatorStep
|
currentPageIndicatorPaint.alpha = pager.getPageChangeIndicatorsAlpha()
|
||||||
val currentIndicatorPosition = MathUtils.lerp(currentIndicatorRangeStart, currentIndicatorRangeEnd, 1 - pageChangeAnimLeftPercentage)
|
|
||||||
if (pageChangeIndicatorsAlpha != 0f) {
|
|
||||||
currentPageIndicatorPaint.alpha = (pageChangeIndicatorsAlpha * 255.0f).toInt()
|
|
||||||
} else {
|
|
||||||
currentPageIndicatorPaint.alpha = 255
|
|
||||||
}
|
|
||||||
canvas.drawCircle(currentIndicatorPosition + pageIndicatorRadius, pageIndicatorY, pageIndicatorRadius, currentPageIndicatorPaint)
|
canvas.drawCircle(currentIndicatorPosition + pageIndicatorRadius, pageIndicatorY, pageIndicatorRadius, currentPageIndicatorPaint)
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -942,7 +861,7 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
|
||||||
}
|
}
|
||||||
|
|
||||||
fun isClickingGridItem(x: Int, y: Int): HomeScreenGridItem? {
|
fun isClickingGridItem(x: Int, y: Int): HomeScreenGridItem? {
|
||||||
for (gridItem in gridItems.filter { it.page == currentPage || it.docked }) {
|
for (gridItem in gridItems.filter { it.page == pager.getCurrentPage() || it.docked }) {
|
||||||
if (gridItem.outOfBounds()) {
|
if (gridItem.outOfBounds()) {
|
||||||
continue
|
continue
|
||||||
}
|
}
|
||||||
|
@ -1038,15 +957,187 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
|
||||||
|
|
||||||
private fun getMaxPage() = gridItems.filter { !it.docked && !it.outOfBounds() }.maxOfOrNull { it.page } ?: 0
|
private fun getMaxPage() = gridItems.filter { !it.docked && !it.outOfBounds() }.maxOfOrNull { it.page } ?: 0
|
||||||
|
|
||||||
private fun nextOrAdditionalPage(redraw: Boolean = false): Boolean {
|
fun nextPage(redraw: Boolean = false): Boolean {
|
||||||
if (currentPage < getMaxPage() + 1 && pageChangeEnabled) {
|
return pager.nextPage(redraw)
|
||||||
lastPage = currentPage
|
}
|
||||||
currentPage++
|
|
||||||
handlePageChange(redraw)
|
fun prevPage(redraw: Boolean = false): Boolean {
|
||||||
return true
|
return pager.prevPage(redraw)
|
||||||
|
}
|
||||||
|
|
||||||
|
fun skipToPage(targetPage: Int): Boolean {
|
||||||
|
return pager.skipToPage(targetPage)
|
||||||
|
}
|
||||||
|
|
||||||
|
fun getCurrentIconSize(): Int = iconSize
|
||||||
|
|
||||||
|
|
||||||
|
fun setSwipeMovement(diffX: Float) {
|
||||||
|
if (draggedItem == null) {
|
||||||
|
pager.setSwipeMovement(diffX)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fun finalizeSwipe() {
|
||||||
|
pager.finalizeSwipe()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Helper class responsible for managing current page and providing utilities for animating page changes,
|
||||||
|
* as well as partial dragigng between pages
|
||||||
|
*/
|
||||||
|
private class AnimatedGridPager(
|
||||||
|
private val getMaxPage: () -> Int,
|
||||||
|
private val redrawGrid: () -> Unit,
|
||||||
|
private val getWidth: () -> Int,
|
||||||
|
private val getHandler: () -> Handler,
|
||||||
|
private val getNextPageBound: () -> Int,
|
||||||
|
private val getPrevPageBound: () -> Int,
|
||||||
|
) {
|
||||||
|
|
||||||
|
companion object {
|
||||||
|
private const val PAGE_CHANGE_HOLD_THRESHOLD = 500L
|
||||||
|
private const val PAGE_INDICATORS_FADE_DELAY = PAGE_CHANGE_HOLD_THRESHOLD + 300L
|
||||||
|
|
||||||
|
private enum class PageChangeArea {
|
||||||
|
LEFT,
|
||||||
|
MIDDLE,
|
||||||
|
RIGHT
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private var lastPage = 0
|
||||||
|
private var currentPage = 0
|
||||||
|
private var pageChangeLastArea = PageChangeArea.MIDDLE
|
||||||
|
private var pageChangeLastAreaEntryTime = 0L
|
||||||
|
private var pageChangeAnimLeftPercentage = 0f
|
||||||
|
private var pageChangeEnabled = true
|
||||||
|
private var pageChangeIndicatorsAlpha = 0f
|
||||||
|
private var pageChangeSwipedPercentage = 0f
|
||||||
|
|
||||||
|
fun getCurrentPage() = currentPage
|
||||||
|
|
||||||
|
fun isItemOnCurrentPage(item: HomeScreenGridItem) = item.page == currentPage
|
||||||
|
|
||||||
|
fun isItemOnLastPage(item: HomeScreenGridItem) = item.page == lastPage
|
||||||
|
|
||||||
|
fun getPageCount() = max(getMaxPage(), currentPage) + 1
|
||||||
|
|
||||||
|
|
||||||
|
fun isOutsideOfPageRange() = currentPage > getMaxPage()
|
||||||
|
|
||||||
|
fun isItemInSwipeRange(item: HomeScreenGridItem) =
|
||||||
|
((pageChangeSwipedPercentage > 0f && item.page == currentPage - 1) || (pageChangeSwipedPercentage < 0f && item.page == currentPage + 1))
|
||||||
|
|
||||||
|
fun isSwiped() = abs(pageChangeSwipedPercentage) > 0f
|
||||||
|
|
||||||
|
fun isAnimatingPageChange() = pageChangeAnimLeftPercentage > 0f
|
||||||
|
|
||||||
|
fun shouldDisplayPageChangeIndicator() = isSwiped() || isAnimatingPageChange() || pageChangeIndicatorsAlpha > 0f
|
||||||
|
|
||||||
|
fun getPageChangeIndicatorsAlpha() = if (pageChangeIndicatorsAlpha != 0f) {
|
||||||
|
(pageChangeIndicatorsAlpha * 255.0f).toInt()
|
||||||
|
} else {
|
||||||
|
255
|
||||||
|
}
|
||||||
|
|
||||||
|
fun getXFactorForCurrentPage(): Float {
|
||||||
|
return if (abs(pageChangeSwipedPercentage) > 0f) {
|
||||||
|
pageChangeSwipedPercentage
|
||||||
|
} else {
|
||||||
|
if (currentPage > lastPage) {
|
||||||
|
pageChangeAnimLeftPercentage
|
||||||
|
} else {
|
||||||
|
-pageChangeAnimLeftPercentage
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fun getXFactorForLastPage(): Float {
|
||||||
|
return if (abs(pageChangeSwipedPercentage) > 0f) {
|
||||||
|
(1 - abs(pageChangeSwipedPercentage)) * -sign(pageChangeSwipedPercentage)
|
||||||
|
} else {
|
||||||
|
if (currentPage > lastPage) {
|
||||||
|
pageChangeAnimLeftPercentage - 1
|
||||||
|
} else {
|
||||||
|
1 - pageChangeAnimLeftPercentage
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fun getCurrentViewPositionInFullPageSpace(): Float {
|
||||||
|
val rangeStart = lastPage.toFloat()
|
||||||
|
val rangeEndPage = if (abs(pageChangeSwipedPercentage) > 0f) {
|
||||||
|
if (pageChangeSwipedPercentage > 0f) {
|
||||||
|
currentPage - 1
|
||||||
|
} else {
|
||||||
|
currentPage + 1
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
currentPage
|
||||||
|
}
|
||||||
|
val rangeEnd = rangeEndPage.toFloat()
|
||||||
|
val lerpAmount = if (pageChangeAnimLeftPercentage > 0f) {
|
||||||
|
1 - pageChangeAnimLeftPercentage
|
||||||
|
} else {
|
||||||
|
abs(pageChangeSwipedPercentage)
|
||||||
|
}
|
||||||
|
return MathUtils.lerp(rangeStart, rangeEnd, lerpAmount)
|
||||||
|
}
|
||||||
|
|
||||||
|
fun setSwipeMovement(diffX: Float) {
|
||||||
|
if (!pageChangeEnabled) {
|
||||||
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
return false
|
if (currentPage < getMaxPage() && diffX > 0f || currentPage > 0 && diffX < 0f) {
|
||||||
|
pageChangeSwipedPercentage = (-diffX / getWidth().toFloat()).coerceIn(-1f, 1f)
|
||||||
|
redrawGrid()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fun finalizeSwipe() {
|
||||||
|
if (abs(pageChangeSwipedPercentage) == 0f) {
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
if (abs(pageChangeSwipedPercentage) > 0.5f) {
|
||||||
|
lastPage = currentPage
|
||||||
|
currentPage = if (pageChangeSwipedPercentage > 0f) {
|
||||||
|
currentPage - 1
|
||||||
|
} else {
|
||||||
|
currentPage + 1
|
||||||
|
}
|
||||||
|
handlePageChange(true)
|
||||||
|
} else {
|
||||||
|
lastPage = if (pageChangeSwipedPercentage > 0f) {
|
||||||
|
currentPage - 1
|
||||||
|
} else {
|
||||||
|
currentPage + 1
|
||||||
|
}
|
||||||
|
pageChangeSwipedPercentage = sign(pageChangeSwipedPercentage) * (1 - abs(pageChangeSwipedPercentage))
|
||||||
|
handlePageChange(true)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fun handleItemMovement(x: Int, y: Int) {
|
||||||
|
showIndicators()
|
||||||
|
if (x > getNextPageBound()) {
|
||||||
|
doWithPageChangeDelay(PageChangeArea.RIGHT) {
|
||||||
|
nextOrAdditionalPage()
|
||||||
|
}
|
||||||
|
} else if (x < getPrevPageBound()) {
|
||||||
|
doWithPageChangeDelay(PageChangeArea.LEFT) {
|
||||||
|
prevPage()
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
clearPageChangeFlags()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fun itemMovementStopped() {
|
||||||
|
scheduleIndicatorsFade()
|
||||||
}
|
}
|
||||||
|
|
||||||
fun nextPage(redraw: Boolean = false): Boolean {
|
fun nextPage(redraw: Boolean = false): Boolean {
|
||||||
|
@ -1082,16 +1173,80 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
|
||||||
return false
|
return false
|
||||||
}
|
}
|
||||||
|
|
||||||
fun getCurrentIconSize(): Int = iconSize
|
private val checkAndExecuteDelayedPageChange: Runnable = Runnable {
|
||||||
|
if (System.currentTimeMillis() - pageChangeLastAreaEntryTime > PAGE_CHANGE_HOLD_THRESHOLD) {
|
||||||
|
when (pageChangeLastArea) {
|
||||||
|
PageChangeArea.RIGHT -> nextOrAdditionalPage(true)
|
||||||
|
PageChangeArea.LEFT -> prevPage(true)
|
||||||
|
else -> clearPageChangeFlags()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private val startFadingIndicators: Runnable = Runnable {
|
||||||
|
ValueAnimator.ofFloat(1f, 0f)
|
||||||
|
.apply {
|
||||||
|
addUpdateListener {
|
||||||
|
pageChangeIndicatorsAlpha = it.animatedValue as Float
|
||||||
|
redrawGrid()
|
||||||
|
}
|
||||||
|
start()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun showIndicators() {
|
||||||
|
pageChangeIndicatorsAlpha = 1f
|
||||||
|
getHandler().removeCallbacks(startFadingIndicators)
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun clearPageChangeFlags() {
|
||||||
|
pageChangeLastArea = PageChangeArea.MIDDLE
|
||||||
|
pageChangeLastAreaEntryTime = 0
|
||||||
|
getHandler().removeCallbacks(checkAndExecuteDelayedPageChange)
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun schedulePageChange() {
|
||||||
|
pageChangeLastAreaEntryTime = System.currentTimeMillis()
|
||||||
|
getHandler().postDelayed(checkAndExecuteDelayedPageChange, PAGE_CHANGE_HOLD_THRESHOLD)
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun scheduleIndicatorsFade() {
|
||||||
|
pageChangeIndicatorsAlpha = 1f
|
||||||
|
getHandler().postDelayed(startFadingIndicators, PAGE_INDICATORS_FADE_DELAY)
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun doWithPageChangeDelay(needed: PageChangeArea, pageChangeFunction: () -> Boolean) {
|
||||||
|
if (pageChangeLastArea != needed) {
|
||||||
|
pageChangeLastArea = needed
|
||||||
|
schedulePageChange()
|
||||||
|
} else if (System.currentTimeMillis() - pageChangeLastAreaEntryTime > PAGE_CHANGE_HOLD_THRESHOLD) {
|
||||||
|
if (pageChangeFunction()) {
|
||||||
|
clearPageChangeFlags()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun nextOrAdditionalPage(redraw: Boolean = false): Boolean {
|
||||||
|
if (currentPage < getMaxPage() + 1 && pageChangeEnabled) {
|
||||||
|
lastPage = currentPage
|
||||||
|
currentPage++
|
||||||
|
handlePageChange(redraw)
|
||||||
|
return true
|
||||||
|
}
|
||||||
|
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
|
||||||
private fun handlePageChange(redraw: Boolean = false) {
|
private fun handlePageChange(redraw: Boolean = false) {
|
||||||
pageChangeEnabled = false
|
pageChangeEnabled = false
|
||||||
pageChangeIndicatorsAlpha = 0f
|
pageChangeIndicatorsAlpha = 0f
|
||||||
removeCallbacks(startFadingIndicators)
|
val startingAt = 1 - abs(pageChangeSwipedPercentage)
|
||||||
|
pageChangeSwipedPercentage = 0f
|
||||||
|
getHandler().removeCallbacks(startFadingIndicators)
|
||||||
if (redraw) {
|
if (redraw) {
|
||||||
redrawGrid()
|
redrawGrid()
|
||||||
}
|
}
|
||||||
ValueAnimator.ofFloat(1f, 0f)
|
ValueAnimator.ofFloat(startingAt, 0f)
|
||||||
.apply {
|
.apply {
|
||||||
addUpdateListener {
|
addUpdateListener {
|
||||||
pageChangeAnimLeftPercentage = it.animatedValue as Float
|
pageChangeAnimLeftPercentage = it.animatedValue as Float
|
||||||
|
@ -1103,7 +1258,7 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
|
||||||
pageChangeAnimLeftPercentage = 0f
|
pageChangeAnimLeftPercentage = 0f
|
||||||
pageChangeEnabled = true
|
pageChangeEnabled = true
|
||||||
lastPage = currentPage
|
lastPage = currentPage
|
||||||
schedulePageChange()
|
clearPageChangeFlags()
|
||||||
scheduleIndicatorsFade()
|
scheduleIndicatorsFade()
|
||||||
redrawGrid()
|
redrawGrid()
|
||||||
}
|
}
|
||||||
|
@ -1111,15 +1266,4 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
|
||||||
start()
|
start()
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
companion object {
|
|
||||||
private const val PAGE_CHANGE_HOLD_THRESHOLD = 500L
|
|
||||||
private const val PAGE_INDICATORS_FADE_DELAY = PAGE_CHANGE_HOLD_THRESHOLD + 300L
|
|
||||||
|
|
||||||
private enum class PageChangeArea {
|
|
||||||
LEFT,
|
|
||||||
MIDDLE,
|
|
||||||
RIGHT
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in New Issue