Implement DataTransfer and related interfaces (#34205)

* add datatransfer interfaces Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com> * implement DataTransfer interface implemented Constructor, setter and getter for drop_effect and effect_allowed, Items and SetDragImage Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com> * implement DataTransferItem interface Implemented Kind, Type, GetAsString, GetAsFile. Marked DataTransfer as weakReferenceable to access its field inside DataTransferItemList and DataTransferItem. Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com> * implement DataTransferItemList interface implemented Lenght, Getter, Add, Remove, Clear Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com> * added DataTransfer's old interface Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com> * DataTransfer: implemented GetData, SetData, SetData Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com> * set Weakref to DataTransfer in DataTransferItemList and DataTransferItem Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com> * DataTransfer: implemented Types and Files Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com> * cleanup get_data, set_data, clear_data Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com> * fix clippy warning Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com> * add drag data store Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com> * fix DataTransfer's Types() behaviour Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com> * DataTransferItem: use the underlying drag data store Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com> * fix DataTransferItemList's getter and remove Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com> * fix clippy warnings Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com> * update test expectations Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com> --------- Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com>
2025-06-06 16:45:39 +00:00 · 2024-11-25 11:49:04 +01:00 · 2024-11-25 11:49:04 +01:00 · c9e3d3e25e
commit c9e3d3e25e
parent 810a91ecac
19 changed files with 873 additions and 146 deletions
--- a/components/script/dom/datatransferitem.rs
+++ b/components/script/dom/datatransferitem.rs
@ -0,0 +1,66 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+use std::rc::Rc;
+
+use dom_struct::dom_struct;
+
+use crate::dom::bindings::callback::ExceptionHandling;
+use crate::dom::bindings::codegen::Bindings::DataTransferItemBinding::{
+    DataTransferItemMethods, FunctionStringCallback,
+};
+use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
+use crate::dom::bindings::root::DomRoot;
+use crate::dom::bindings::str::DOMString;
+use crate::dom::file::File;
+use crate::dom::globalscope::GlobalScope;
+use crate::drag_data_store::Kind;
+
+#[dom_struct]
+pub struct DataTransferItem {
+    reflector_: Reflector,
+    #[ignore_malloc_size_of = "TODO"]
+    #[no_trace]
+    item: Kind,
+}
+
+impl DataTransferItem {
+    fn new_inherited(item: Kind) -> DataTransferItem {
+        DataTransferItem {
+            reflector_: Reflector::new(),
+            item,
+        }
+    }
+
+    pub fn new(global: &GlobalScope, item: Kind) -> DomRoot<DataTransferItem> {
+        reflect_dom_object(Box::new(DataTransferItem::new_inherited(item)), global)
+    }
+}
+
+impl DataTransferItemMethods<crate::DomTypeHolder> for DataTransferItem {
+    /// <https://html.spec.whatwg.org/multipage/#dom-datatransferitem-kind>
+    fn Kind(&self) -> DOMString {
+        match self.item {
+            Kind::Text(_) => DOMString::from("string"),
+            Kind::File(_) => DOMString::from("file"),
+        }
+    }
+
+    /// <https://html.spec.whatwg.org/multipage/#dom-datatransferitem-type>
+    fn Type(&self) -> DOMString {
+        self.item.type_()
+    }
+
+    /// <https://html.spec.whatwg.org/multipage/#dom-datatransferitem-getasstring>
+    fn GetAsString(&self, callback: Option<Rc<FunctionStringCallback>>) {
+        if let (Some(callback), Some(data)) = (callback, self.item.as_string()) {
+            let _ = callback.Call__(data, ExceptionHandling::Report);
+        }
+    }
+
+    /// <https://html.spec.whatwg.org/multipage/#dom-datatransferitem-getasfile>
+    fn GetAsFile(&self) -> Option<DomRoot<File>> {
+        self.item.as_file(&self.global())
+    }
+}