fix(xml-inflater): 'layout' attribute in <include> tags is not preserved while inflating layouts (closes #1214)

Author: itsaky

.idea/compiler.xml

@@ -33,6 +33,6 @@ internal class AttrAddedAction(view: com.itsaky.androidide.inflater.IView, attr:
   }
 
   override fun redo() {
-    view.addAttribute(attr, true)
+    view.addAttribute(attr, update = true)
   }
 }

uidesigner/src/main/java/com/itsaky/androidide/uidesigner/undo/AttrAddedAction.kt

@@ -52,8 +52,11 @@ interface IView {
    * Add and apply the given attribute to this view.
    *
    * @param attribute The attribute to apply.
+   * @param apply Whether the attribute should be applied to the attribute. If this `false` then the
+   * attribute will be simply added to the attributes list.
+   * @param update Whether the attribute's value should be updated if the attribute is already applied to this view.
    */
-  fun addAttribute(attribute: IAttribute, update: Boolean = false)
+  fun addAttribute(attribute: IAttribute, apply: Boolean = true, update: Boolean = false)
 
   /**
    * Remove the given attribute and update the view accordingly.
@@ -185,7 +188,7 @@ interface IView {
     override fun onAttributeAdded(view: IView, attribute: IAttribute) {}
     override fun onAttributeRemoved(view: IView, attribute: IAttribute) {}
     override fun onAttributeUpdated(view: IView, attribute: IAttribute,
-                                    oldValue: String
+      oldValue: String
     ) {
     }
   }

xml-inflater/src/main/java/com/itsaky/androidide/inflater/IView.kt

@@ -28,7 +28,7 @@ import com.itsaky.androidide.inflater.IView.AttributeChangeListener
  */
 class ImmutableViewImpl(private val src: ViewImpl) : IView by src {
 
-  override fun addAttribute(attribute: IAttribute, update: Boolean) {
+  override fun addAttribute(attribute: IAttribute, apply: Boolean, update: Boolean) {
     throw UnsupportedOperationException("Immutable!")
   }
 

xml-inflater/src/main/java/com/itsaky/androidide/inflater/internal/ImmutableViewImpl.kt

@@ -217,7 +217,7 @@ open class LayoutInflaterImpl : ILayoutInflater {
     view: ViewImpl,
     parent: IViewGroup,
     attachToParent: Boolean = true,
-    checkAttr: (XmlAttribute) -> Boolean = { true }
+    shouldApplyAttr: (XmlAttribute) -> Boolean = { true }
   ) {
     val parentView = parent.view as ViewGroup
     val adapter =
@@ -233,16 +233,13 @@ open class LayoutInflaterImpl : ILayoutInflater {
 
     if (element.attributeCount > 0) {
       for (xmlAttribute in element.attributeList) {
-        if (!checkAttr(xmlAttribute)) {
-          continue
-        }
 
         val namespace =
           if (xmlAttribute.namespaceUri.isNullOrBlank()) null
           else view.findNamespaceByUri(xmlAttribute.namespaceUri)
 
         val attr = onCreateAttribute(view, namespace, xmlAttribute.name, xmlAttribute.value)
-        view.addAttribute(attribute = attr, update = true)
+        view.addAttribute(attribute = attr, apply = shouldApplyAttr(xmlAttribute), update = true)
         inflationEventListener?.onEvent(OnApplyAttributeEvent(view, attr))
       }
     }

xml-inflater/src/main/java/com/itsaky/androidide/inflater/internal/LayoutInflaterImpl.kt

@@ -56,14 +56,20 @@ constructor(
   override val attributes: List<IAttribute>
     get() = this._attributes
 
-  override fun addAttribute(attribute: IAttribute, update: Boolean) {
+  override fun addAttribute(attribute: IAttribute, apply: Boolean, update: Boolean) {
     if (hasAttribute(attribute)) {
       if (!update) {
         return
       }
       updateAttribute(attribute)
     } else {
       this._attributes.add(attribute)
+
+      if (!apply) {
+        // attribute should not be applied
+        return
+      }
+
       applyAttribute(attribute)
       notifyAttrAdded(attribute)
     }

xml-inflater/src/main/java/com/itsaky/androidide/inflater/internal/ViewImpl.kt

@@ -38,6 +38,7 @@ import com.itsaky.androidide.inflater.IAttribute
 import com.itsaky.androidide.inflater.INamespace
 import com.itsaky.androidide.inflater.IView
 import com.itsaky.androidide.inflater.IViewAdapter
+import com.itsaky.androidide.inflater.internal.IncludeView
 import com.itsaky.androidide.resources.R
 import com.itsaky.androidide.inflater.models.UiWidget
 import com.itsaky.androidide.inflater.utils.newAttribute
@@ -143,6 +144,10 @@ open class ViewAdapter<T : View> : IViewAdapter<T>() {
   }
 
   override fun applyBasic(view: IView) {
+    if (view is IncludeView) {
+      return
+    }
+
     view.addAttribute(newAttribute(view = view, name = "layout_height", value = "wrap_content"))
     view.addAttribute(newAttribute(view = view, name = "layout_width", value = "wrap_content"))
   }