adding some initial widget long press handling

app/src/main/AndroidManifest.xml

@@ -8,6 +8,10 @@
         android:name="android.permission.QUERY_ALL_PACKAGES"
         tools:ignore="QueryAllPackagesPermission" />
 
+    <uses-permission
+        android:name="android.permission.BIND_APPWIDGET"
+        tools:ignore="ProtectedPermissions" />
+
     <uses-permission android:name="android.permission.REQUEST_DELETE_PACKAGES" />
     <uses-permission android:name="android.permission.EXPAND_STATUS_BAR" />
 

app/src/main/kotlin/com/simplemobiletools/launcher/activities/MainActivity.kt

@@ -151,6 +151,7 @@ class MainActivity : SimpleActivity(), FlingListener {
                 mTouchDownY = -1
                 mIgnoreMoveEvents = false
                 mLongPressedIcon = null
+                (widgets_fragment as WidgetsFragment).ignoreTouches = false
                 (all_apps_fragment as AllAppsFragment).ignoreTouches = false
                 home_screen_grid.itemDraggingStopped(event.x.toInt(), event.y.toInt())
                 if (!mIgnoreUpEvent) {
@@ -252,6 +253,12 @@ class MainActivity : SimpleActivity(), FlingListener {
         mOpenPopupMenu = handleGridItemPopupMenu(home_screen_popup_menu_anchor, gridItem, isOnAllAppsFragment)
     }
 
+    fun widgetLongPressedOnList(gridItem: HomeScreenGridItem) {
+        mLongPressedIcon = gridItem
+        hideFragment(widgets_fragment)
+        home_screen_grid.itemDraggingStarted(mLongPressedIcon!!)
+    }
+
     private fun showMainLongPressMenu(x: Float, y: Float) {
         home_screen_popup_menu_anchor.x = x
         home_screen_popup_menu_anchor.y = y - resources.getDimension(R.dimen.home_long_press_anchor_offset_y)

app/src/main/kotlin/com/simplemobiletools/launcher/adapters/LaunchersAdapter.kt

@@ -9,10 +9,7 @@ import com.bumptech.glide.load.engine.DiskCacheStrategy
 import com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions
 import com.bumptech.glide.request.transition.DrawableCrossFadeFactory
 import com.qtalk.recyclerviewfastscroller.RecyclerViewFastScroller
-import com.simplemobiletools.commons.extensions.getColoredDrawableWithColor
-import com.simplemobiletools.commons.extensions.getProperTextColor
-import com.simplemobiletools.commons.extensions.portrait
-import com.simplemobiletools.commons.extensions.realScreenSize
+import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.launcher.R
 import com.simplemobiletools.launcher.activities.SimpleActivity
 import com.simplemobiletools.launcher.interfaces.AllAppsListener

app/src/main/kotlin/com/simplemobiletools/launcher/adapters/WidgetsAdapter.kt

@@ -12,6 +12,7 @@ import com.simplemobiletools.launcher.R
 import com.simplemobiletools.launcher.activities.SimpleActivity
 import com.simplemobiletools.launcher.helpers.WIDGET_LIST_ITEMS_HOLDER
 import com.simplemobiletools.launcher.helpers.WIDGET_LIST_SECTION
+import com.simplemobiletools.launcher.interfaces.WidgetsFragmentListener
 import com.simplemobiletools.launcher.models.WidgetsListItem
 import com.simplemobiletools.launcher.models.WidgetsListItemsHolder
 import com.simplemobiletools.launcher.models.WidgetsListSection
@@ -21,7 +22,8 @@ import kotlinx.android.synthetic.main.item_widget_preview.view.*
 
 class WidgetsAdapter(
     val activity: SimpleActivity,
-    val widgetListItems: ArrayList<WidgetsListItem>
+    val widgetListItems: ArrayList<WidgetsListItem>,
+    val widgetsFragmentListener: WidgetsFragmentListener
 ) : RecyclerView.Adapter<WidgetsAdapter.ViewHolder>() {
 
     private var textColor = activity.getProperTextColor()
@@ -104,6 +106,11 @@ class WidgetsAdapter(
             widgetPreview.setOnClickListener {
                 activity.toast(R.string.touch_hold_widget)
             }
+
+            widgetPreview.setOnLongClickListener { view ->
+                widgetsFragmentListener.onWidgetLongPressed(widget)
+                true
+            }
         }
     }
 

app/src/main/kotlin/com/simplemobiletools/launcher/fragments/WidgetsFragment.kt

@@ -1,5 +1,6 @@
 package com.simplemobiletools.launcher.fragments
 
+import android.annotation.SuppressLint
 import android.appwidget.AppWidgetManager
 import android.content.Context
 import android.content.Intent
@@ -7,6 +8,7 @@ import android.content.pm.LauncherApps
 import android.content.pm.PackageManager
 import android.os.Process
 import android.util.AttributeSet
+import android.view.MotionEvent
 import android.view.Surface
 import android.view.WindowManager
 import com.simplemobiletools.commons.extensions.*
@@ -14,13 +16,15 @@ import com.simplemobiletools.commons.helpers.ensureBackgroundThread
 import com.simplemobiletools.commons.helpers.isRPlus
 import com.simplemobiletools.launcher.activities.MainActivity
 import com.simplemobiletools.launcher.adapters.WidgetsAdapter
-import com.simplemobiletools.launcher.models.AppWidget
-import com.simplemobiletools.launcher.models.WidgetsListItem
-import com.simplemobiletools.launcher.models.WidgetsListItemsHolder
-import com.simplemobiletools.launcher.models.WidgetsListSection
+import com.simplemobiletools.launcher.interfaces.WidgetsFragmentListener
+import com.simplemobiletools.launcher.models.*
 import kotlinx.android.synthetic.main.widgets_fragment.view.*
 
-class WidgetsFragment(context: Context, attributeSet: AttributeSet) : MyFragment(context, attributeSet) {
+class WidgetsFragment(context: Context, attributeSet: AttributeSet) : MyFragment(context, attributeSet), WidgetsFragmentListener {
+    private var touchDownY = -1
+    private var lastTouchCoords = Pair(0f, 0f)
+    var ignoreTouches = false
+
     override fun setupFragment(activity: MainActivity) {
         this.activity = activity
         background.applyColorFilter(activity.getProperBackgroundColor())
@@ -36,6 +40,33 @@ class WidgetsFragment(context: Context, attributeSet: AttributeSet) : MyFragment
         setupAdapter(appWidgets)
     }
 
+    override fun onInterceptTouchEvent(event: MotionEvent): Boolean {
+        if (ignoreTouches) {
+            // some devices ACTION_MOVE keeps triggering for the whole long press duration, but we are interested in real moves only, when coords change
+            if (lastTouchCoords.first != event.x || lastTouchCoords.second != event.y) {
+                touchDownY = -1
+                return true
+            }
+        }
+
+        lastTouchCoords = Pair(event.x, event.y)
+        var shouldIntercept = false
+
+        // pull the whole fragment down if it is scrolled way to the top and the users pulls it even further
+        if (touchDownY != -1) {
+            shouldIntercept = touchDownY - event.y.toInt() < 0 && widgets_list.computeVerticalScrollOffset() == 0
+            if (shouldIntercept) {
+                activity?.startHandlingTouches(touchDownY)
+                touchDownY = -1
+            }
+        } else {
+            touchDownY = event.y.toInt()
+        }
+
+        return shouldIntercept
+    }
+
+    @SuppressLint("WrongConstant")
     fun getAppWidgets() {
         ensureBackgroundThread {
             // get the casual widgets
@@ -108,7 +139,7 @@ class WidgetsFragment(context: Context, attributeSet: AttributeSet) : MyFragment
 
     private fun setupAdapter(widgetsListItems: ArrayList<WidgetsListItem>) {
         activity?.runOnUiThread {
-            WidgetsAdapter(activity!!, widgetsListItems).apply {
+            WidgetsAdapter(activity!!, widgetsListItems, this).apply {
                 widgets_list.adapter = this
             }
         }
@@ -171,4 +202,10 @@ class WidgetsFragment(context: Context, attributeSet: AttributeSet) : MyFragment
 
         return null
     }
+
+    override fun onWidgetLongPressed(appWidget: AppWidget) {
+        val gridItem = HomeScreenGridItem(null, -1, -1, -1, 1, appWidget.appPackageName, "", appWidget.widgetPreviewImage)
+        activity?.widgetLongPressedOnList(gridItem)
+        ignoreTouches = true
+    }
 }

app/src/main/kotlin/com/simplemobiletools/launcher/interfaces/WidgetsFragmentListener.kt

@@ -0,0 +1,7 @@
+package com.simplemobiletools.launcher.interfaces
+
+import com.simplemobiletools.launcher.models.AppWidget
+
+interface WidgetsFragmentListener {
+    fun onWidgetLongPressed(appWidget: AppWidget)
+}

app/src/main/kotlin/com/simplemobiletools/launcher/views/HomeScreenGrid.kt

@@ -210,7 +210,7 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Vie
                     val drawableY = rowYCoords[item.top] + iconSize / 2 + sideMargins.top
                     item.drawable!!.setBounds(drawableX, drawableY, drawableX + iconSize, drawableY + iconSize)
 
-                    if (item.id != draggedItem?.id) {
+                    if (item.id != draggedItem?.id && item.title.isNotEmpty()) {
                         val textX = rowXCoords[item.left].toFloat() + labelSideMargin + sideMargins.left
                         val textY = rowYCoords[item.top] + iconSize * 1.5f + labelSideMargin + sideMargins.top
                         val staticLayout = StaticLayout.Builder