allow dragging app icons from All Fragments to home screen

This commit is contained in:
tibbi 2022-09-22 22:05:40 +02:00
parent 61801ebcb2
commit 06738b595c
2 changed files with 37 additions and 8 deletions

View File

@ -12,7 +12,7 @@ interface HomeScreenGridItemsDao {
fun getAllItems(): List<HomeScreenGridItem>
@Insert(onConflict = OnConflictStrategy.REPLACE)
fun insert(item: HomeScreenGridItem)
fun insert(item: HomeScreenGridItem): Long
@Insert(onConflict = OnConflictStrategy.REPLACE)
fun insertAll(items: List<HomeScreenGridItem>)

View File

@ -71,7 +71,12 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Vie
// figure out at which cell was the item dropped, if it is empty
fun itemDraggingStopped(x: Int, y: Int) {
if (draggedItem == null) {
return
}
val center = gridCenters.minBy { Math.abs(it.first - x) + Math.abs(it.second - y) }
var redrawIcons = false
// convert stuff like 102x192 to grid cells like 0x1
rowXCoords.forEachIndexed { xIndex, xCell ->
@ -80,14 +85,36 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Vie
// check if the destination grid item is empty
val targetGridItem = gridItems.firstOrNull { it.left == xIndex && it.top == yIndex }
if (targetGridItem == null) {
gridItems.firstOrNull { it.id == draggedItem?.id }?.apply {
left = xIndex
top = yIndex
right = xIndex + 1
bottom = yIndex + 1
val draggedHomeGridItem = gridItems.firstOrNull { it.id == draggedItem?.id }
// we are moving an existing home screen item from one place to another
if (draggedHomeGridItem != null) {
draggedHomeGridItem.apply {
left = xIndex
top = yIndex
right = xIndex + 1
bottom = yIndex + 1
ensureBackgroundThread {
context.homeScreenGridItemsDB.updateAppPosition(left, top, right, bottom, id!!)
}
}
redrawIcons = true
} else if (draggedItem != null) {
// we are dragging a new item at the home screen from the All Apps fragment
val newHomeScreenGridItem =
HomeScreenGridItem(null, xIndex, yIndex, xIndex + 1, yIndex + 1, draggedItem!!.packageName, draggedItem!!.title)
ensureBackgroundThread {
context.homeScreenGridItemsDB.updateAppPosition(left, top, right, bottom, id!!)
val newId = context.homeScreenGridItemsDB.insert(newHomeScreenGridItem)
newHomeScreenGridItem.id = newId
gridItems.add(newHomeScreenGridItem)
val drawable = context.getDrawableForPackageName(newHomeScreenGridItem.packageName)
if (drawable != null) {
gridItemDrawables[newHomeScreenGridItem.packageName] = drawable
}
invalidate()
}
}
}
@ -96,7 +123,9 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Vie
}
draggedItem = null
invalidate()
if (redrawIcons) {
invalidate()
}
}
@SuppressLint("DrawAllocation")