Add m-esr52 at 52.6.0

1 files changed, 375 insertions, 0 deletions

diff --git a/dom/html/HTMLOptionsCollection.cpp b/dom/html/HTMLOptionsCollection.cpp
new file mode 100644
index 000000000..294493c0c
--- /dev/null
+++ b/dom/html/HTMLOptionsCollection.cpp
@@ -0,0 +1,375 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/dom/HTMLOptionsCollection.h"
+
+#include "HTMLOptGroupElement.h"
+#include "mozAutoDocUpdate.h"
+#include "mozilla/dom/BindingUtils.h"
+#include "mozilla/dom/Element.h"
+#include "mozilla/dom/HTMLFormSubmission.h"
+#include "mozilla/dom/HTMLOptionElement.h"
+#include "mozilla/dom/HTMLOptionsCollectionBinding.h"
+#include "mozilla/dom/HTMLSelectElement.h"
+#include "nsContentCreatorFunctions.h"
+#include "nsError.h"
+#include "nsGkAtoms.h"
+#include "nsIComboboxControlFrame.h"
+#include "nsIDocument.h"
+#include "nsIDOMHTMLOptGroupElement.h"
+#include "nsIFormControlFrame.h"
+#include "nsIForm.h"
+#include "nsIFormProcessor.h"
+#include "nsIListControlFrame.h"
+#include "nsLayoutUtils.h"
+#include "nsMappedAttributes.h"
+#include "nsRuleData.h"
+#include "nsServiceManagerUtils.h"
+#include "nsStyleConsts.h"
+#include "jsfriendapi.h"
+
+namespace mozilla {
+namespace dom {
+
+HTMLOptionsCollection::HTMLOptionsCollection(HTMLSelectElement* aSelect)
+{
+  // Do not maintain a reference counted reference. When
+  // the select goes away, it will let us know.
+  mSelect = aSelect;
+}
+
+HTMLOptionsCollection::~HTMLOptionsCollection()
+{
+  DropReference();
+}
+
+void
+HTMLOptionsCollection::DropReference()
+{
+  // Drop our (non ref-counted) reference
+  mSelect = nullptr;
+}
+
+nsresult
+HTMLOptionsCollection::GetOptionIndex(Element* aOption,
+                                      int32_t aStartIndex,
+                                      bool aForward,
+                                      int32_t* aIndex)
+{
+  // NOTE: aIndex shouldn't be set if the returned value isn't NS_OK.
+
+  int32_t index;
+
+  // Make the common case fast
+  if (aStartIndex == 0 && aForward) {
+    index = mElements.IndexOf(aOption);
+    if (index == -1) {
+      return NS_ERROR_FAILURE;
+    }
+    
+    *aIndex = index;
+    return NS_OK;
+  }
+
+  int32_t high = mElements.Length();
+  int32_t step = aForward ? 1 : -1;
+
+  for (index = aStartIndex; index < high && index > -1; index += step) {
+    if (mElements[index] == aOption) {
+      *aIndex = index;
+      return NS_OK;
+    }
+  }
+
+  return NS_ERROR_FAILURE;
+}
+
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(HTMLOptionsCollection, mElements)
+
+// nsISupports
+
+// QueryInterface implementation for HTMLOptionsCollection
+NS_INTERFACE_TABLE_HEAD(HTMLOptionsCollection)
+  NS_WRAPPERCACHE_INTERFACE_TABLE_ENTRY
+  NS_INTERFACE_TABLE(HTMLOptionsCollection,
+                     nsIHTMLCollection,
+                     nsIDOMHTMLOptionsCollection,
+                     nsIDOMHTMLCollection)
+  NS_INTERFACE_TABLE_TO_MAP_SEGUE_CYCLE_COLLECTION(HTMLOptionsCollection)
+NS_INTERFACE_MAP_END
+
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(HTMLOptionsCollection)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(HTMLOptionsCollection)
+
+
+JSObject*
+HTMLOptionsCollection::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return HTMLOptionsCollectionBinding::Wrap(aCx, this, aGivenProto);
+}
+
+NS_IMETHODIMP
+HTMLOptionsCollection::GetLength(uint32_t* aLength)
+{
+  *aLength = mElements.Length();
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+HTMLOptionsCollection::SetLength(uint32_t aLength)
+{
+  if (!mSelect) {
+    return NS_ERROR_UNEXPECTED;
+  }
+
+  return mSelect->SetLength(aLength);
+}
+
+NS_IMETHODIMP
+HTMLOptionsCollection::SetOption(uint32_t aIndex,
+                                 nsIDOMHTMLOptionElement* aOption)
+{
+  if (!mSelect) {
+    return NS_OK;
+  }
+
+  // if the new option is null, just remove this option.  Note that it's safe
+  // to pass a too-large aIndex in here.
+  if (!aOption) {
+    mSelect->Remove(aIndex);
+
+    // We're done.
+    return NS_OK;
+  }
+
+  nsresult rv = NS_OK;
+
+  uint32_t index = uint32_t(aIndex);
+
+  // Now we're going to be setting an option in our collection
+  if (index > mElements.Length()) {
+    // Fill our array with blank options up to (but not including, since we're
+    // about to change it) aIndex, for compat with other browsers.
+    rv = SetLength(index);
+    NS_ENSURE_SUCCESS(rv, rv);
+  }
+
+  NS_ASSERTION(index <= mElements.Length(), "SetLength lied");
+  
+  nsCOMPtr<nsIDOMNode> ret;
+  if (index == mElements.Length()) {
+    nsCOMPtr<nsIDOMNode> node = do_QueryInterface(aOption);
+    rv = mSelect->AppendChild(node, getter_AddRefs(ret));
+  } else {
+    // Find the option they're talking about and replace it
+    // hold a strong reference to follow COM rules.
+    RefPtr<HTMLOptionElement> refChild = ItemAsOption(index);
+    NS_ENSURE_TRUE(refChild, NS_ERROR_UNEXPECTED);
+
+    nsCOMPtr<nsINode> parent = refChild->GetParent();
+    if (parent) {
+      nsCOMPtr<nsINode> node = do_QueryInterface(aOption);
+      ErrorResult res;
+      parent->ReplaceChild(*node, *refChild, res);
+      rv = res.StealNSResult();
+    }
+  }
+
+  return rv;
+}
+
+int32_t
+HTMLOptionsCollection::GetSelectedIndex(ErrorResult& aError)
+{
+  if (!mSelect) {
+    aError.Throw(NS_ERROR_UNEXPECTED);
+    return 0;
+  }
+
+  int32_t selectedIndex;
+  aError = mSelect->GetSelectedIndex(&selectedIndex);
+  return selectedIndex;
+}
+
+NS_IMETHODIMP
+HTMLOptionsCollection::GetSelectedIndex(int32_t* aSelectedIndex)
+{
+  ErrorResult rv;
+  *aSelectedIndex = GetSelectedIndex(rv);
+  return rv.StealNSResult();
+}
+
+void
+HTMLOptionsCollection::SetSelectedIndex(int32_t aSelectedIndex,
+                                        ErrorResult& aError)
+{
+  if (!mSelect) {
+    aError.Throw(NS_ERROR_UNEXPECTED);
+    return;
+  }
+
+  aError = mSelect->SetSelectedIndex(aSelectedIndex);
+}
+
+NS_IMETHODIMP
+HTMLOptionsCollection::SetSelectedIndex(int32_t aSelectedIndex)
+{
+  ErrorResult rv;
+  SetSelectedIndex(aSelectedIndex, rv);
+  return rv.StealNSResult();
+}
+
+NS_IMETHODIMP
+HTMLOptionsCollection::Item(uint32_t aIndex, nsIDOMNode** aReturn)
+{
+  nsISupports* item = GetElementAt(aIndex);
+  if (!item) {
+    *aReturn = nullptr;
+
+    return NS_OK;
+  }
+
+  return CallQueryInterface(item, aReturn);
+}
+
+Element*
+HTMLOptionsCollection::GetElementAt(uint32_t aIndex)
+{
+  return ItemAsOption(aIndex);
+}
+
+HTMLOptionElement*
+HTMLOptionsCollection::NamedGetter(const nsAString& aName, bool& aFound)
+{
+  uint32_t count = mElements.Length();
+  for (uint32_t i = 0; i < count; i++) {
+    HTMLOptionElement* content = mElements.ElementAt(i);
+    if (content &&
+        (content->AttrValueIs(kNameSpaceID_None, nsGkAtoms::name, aName,
+                              eCaseMatters) ||
+         content->AttrValueIs(kNameSpaceID_None, nsGkAtoms::id, aName,
+                              eCaseMatters))) {
+      aFound = true;
+      return content;
+    }
+  }
+
+  aFound = false;
+  return nullptr;
+}
+
+nsINode*
+HTMLOptionsCollection::GetParentObject()
+{
+  return mSelect;
+}
+
+NS_IMETHODIMP
+HTMLOptionsCollection::NamedItem(const nsAString& aName,
+                                 nsIDOMNode** aReturn)
+{
+  NS_IF_ADDREF(*aReturn = GetNamedItem(aName));
+
+  return NS_OK;
+}
+
+void
+HTMLOptionsCollection::GetSupportedNames(nsTArray<nsString>& aNames)
+{
+  AutoTArray<nsIAtom*, 8> atoms;
+  for (uint32_t i = 0; i < mElements.Length(); ++i) {
+    HTMLOptionElement* content = mElements.ElementAt(i);
+    if (content) {
+      // Note: HasName means the names is exposed on the document,
+      // which is false for options, so we don't check it here.
+      const nsAttrValue* val = content->GetParsedAttr(nsGkAtoms::name);
+      if (val && val->Type() == nsAttrValue::eAtom) {
+        nsIAtom* name = val->GetAtomValue();
+        if (!atoms.Contains(name)) {
+          atoms.AppendElement(name);
+        }
+      }
+      if (content->HasID()) {
+        nsIAtom* id = content->GetID();
+        if (!atoms.Contains(id)) {
+          atoms.AppendElement(id);
+        }
+      }
+    }
+  }
+
+  uint32_t atomsLen = atoms.Length();
+  nsString* names = aNames.AppendElements(atomsLen);
+  for (uint32_t i = 0; i < atomsLen; ++i) {
+    atoms[i]->ToString(names[i]);
+  }
+}
+
+NS_IMETHODIMP
+HTMLOptionsCollection::GetSelect(nsIDOMHTMLSelectElement** aReturn)
+{
+  NS_IF_ADDREF(*aReturn = mSelect);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+HTMLOptionsCollection::Add(nsIDOMHTMLOptionElement* aOption,
+                           nsIVariant* aBefore)
+{
+  if (!aOption) {
+    return NS_ERROR_INVALID_ARG;
+  }
+
+  if (!mSelect) {
+    return NS_ERROR_NOT_INITIALIZED;
+  }
+
+  nsCOMPtr<nsIDOMHTMLElement> elem = do_QueryInterface(aOption);
+  return mSelect->Add(elem, aBefore);
+}
+
+void
+HTMLOptionsCollection::Add(const HTMLOptionOrOptGroupElement& aElement,
+                           const Nullable<HTMLElementOrLong>& aBefore,
+                           ErrorResult& aError)
+{
+  if (!mSelect) {
+    aError.Throw(NS_ERROR_NOT_INITIALIZED);
+    return;
+  }
+
+  mSelect->Add(aElement, aBefore, aError);
+}
+
+void
+HTMLOptionsCollection::Remove(int32_t aIndex, ErrorResult& aError)
+{
+  if (!mSelect) {
+    aError.Throw(NS_ERROR_UNEXPECTED);
+    return;
+  }
+
+  uint32_t len = 0;
+  mSelect->GetLength(&len);
+  if (aIndex < 0 || (uint32_t)aIndex >= len)
+    aIndex = 0;
+
+  aError = mSelect->Remove(aIndex);
+}
+
+NS_IMETHODIMP
+HTMLOptionsCollection::Remove(int32_t aIndex)
+{
+  ErrorResult rv;
+  Remove(aIndex, rv);
+  return rv.StealNSResult();
+}
+
+} // namespace dom
+} // namespace mozilla