summaryrefslogtreecommitdiffstats
path: root/dom/html/HTMLFrameSetElement.h
diff options
context:
space:
mode:
Diffstat (limited to 'dom/html/HTMLFrameSetElement.h')
-rw-r--r--dom/html/HTMLFrameSetElement.h177
1 files changed, 177 insertions, 0 deletions
diff --git a/dom/html/HTMLFrameSetElement.h b/dom/html/HTMLFrameSetElement.h
new file mode 100644
index 000000000..b6bbe5d95
--- /dev/null
+++ b/dom/html/HTMLFrameSetElement.h
@@ -0,0 +1,177 @@
+/* -*- 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/. */
+
+#ifndef HTMLFrameSetElement_h
+#define HTMLFrameSetElement_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/UniquePtr.h"
+#include "nsIDOMHTMLFrameSetElement.h"
+#include "nsGenericHTMLElement.h"
+
+/**
+ * The nsFramesetUnit enum is used to denote the type of each entry
+ * in the row or column spec.
+ */
+enum nsFramesetUnit {
+ eFramesetUnit_Fixed = 0,
+ eFramesetUnit_Percent,
+ eFramesetUnit_Relative
+};
+
+/**
+ * The nsFramesetSpec struct is used to hold a single entry in the
+ * row or column spec.
+ */
+struct nsFramesetSpec {
+ nsFramesetUnit mUnit;
+ nscoord mValue;
+};
+
+/**
+ * The maximum number of entries allowed in the frame set element row
+ * or column spec.
+ */
+#define NS_MAX_FRAMESET_SPEC_COUNT 16000
+
+//----------------------------------------------------------------------
+
+namespace mozilla {
+namespace dom {
+
+class OnBeforeUnloadEventHandlerNonNull;
+
+class HTMLFrameSetElement final : public nsGenericHTMLElement,
+ public nsIDOMHTMLFrameSetElement
+{
+public:
+ explicit HTMLFrameSetElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
+ : nsGenericHTMLElement(aNodeInfo),
+ mNumRows(0),
+ mNumCols(0),
+ mCurrentRowColHint(NS_STYLE_HINT_REFLOW)
+ {
+ SetHasWeirdParserInsertionMode();
+ }
+
+ NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLFrameSetElement, frameset)
+
+ // nsISupports
+ NS_DECL_ISUPPORTS_INHERITED
+
+ // nsIDOMHTMLFrameSetElement
+ NS_DECL_NSIDOMHTMLFRAMESETELEMENT
+
+ void GetCols(DOMString& aCols)
+ {
+ GetHTMLAttr(nsGkAtoms::cols, aCols);
+ }
+ void SetCols(const nsAString& aCols, ErrorResult& aError)
+ {
+ SetHTMLAttr(nsGkAtoms::cols, aCols, aError);
+ }
+ void GetRows(DOMString& aRows)
+ {
+ GetHTMLAttr(nsGkAtoms::rows, aRows);
+ }
+ void SetRows(const nsAString& aRows, ErrorResult& aError)
+ {
+ SetHTMLAttr(nsGkAtoms::rows, aRows, aError);
+ }
+
+ virtual bool IsEventAttributeName(nsIAtom *aName) override;
+
+ // Event listener stuff; we need to declare only the ones we need to
+ // forward to window that don't come from nsIDOMHTMLFrameSetElement.
+#define EVENT(name_, id_, type_, struct_) /* nothing; handled by the superclass */
+#define WINDOW_EVENT_HELPER(name_, type_) \
+ type_* GetOn##name_(); \
+ void SetOn##name_(type_* handler);
+#define WINDOW_EVENT(name_, id_, type_, struct_) \
+ WINDOW_EVENT_HELPER(name_, EventHandlerNonNull)
+#define BEFOREUNLOAD_EVENT(name_, id_, type_, struct_) \
+ WINDOW_EVENT_HELPER(name_, OnBeforeUnloadEventHandlerNonNull)
+#include "mozilla/EventNameList.h" // IWYU pragma: keep
+#undef BEFOREUNLOAD_EVENT
+#undef WINDOW_EVENT
+#undef WINDOW_EVENT_HELPER
+#undef EVENT
+
+ // These override the SetAttr methods in nsGenericHTMLElement (need
+ // both here to silence compiler warnings).
+ nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
+ const nsAString& aValue, bool aNotify)
+ {
+ return SetAttr(aNameSpaceID, aName, nullptr, aValue, aNotify);
+ }
+ virtual nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
+ nsIAtom* aPrefix, const nsAString& aValue,
+ bool aNotify) override;
+
+ /**
+ * GetRowSpec is used to get the "rows" spec.
+ * @param out int32_t aNumValues The number of row sizes specified.
+ * @param out nsFramesetSpec* aSpecs The array of size specifications.
+ This is _not_ owned by the caller, but by the nsFrameSetElement
+ implementation. DO NOT DELETE IT.
+ */
+ nsresult GetRowSpec(int32_t *aNumValues, const nsFramesetSpec** aSpecs);
+ /**
+ * GetColSpec is used to get the "cols" spec
+ * @param out int32_t aNumValues The number of row sizes specified.
+ * @param out nsFramesetSpec* aSpecs The array of size specifications.
+ This is _not_ owned by the caller, but by the nsFrameSetElement
+ implementation. DO NOT DELETE IT.
+ */
+ nsresult GetColSpec(int32_t *aNumValues, const nsFramesetSpec** aSpecs);
+
+
+ virtual bool ParseAttribute(int32_t aNamespaceID,
+ nsIAtom* aAttribute,
+ const nsAString& aValue,
+ nsAttrValue& aResult) override;
+ virtual nsChangeHint GetAttributeChangeHint(const nsIAtom* aAttribute,
+ int32_t aModType) const override;
+
+ virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
+
+protected:
+ virtual ~HTMLFrameSetElement();
+
+ virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+private:
+ nsresult ParseRowCol(const nsAString& aValue,
+ int32_t& aNumSpecs,
+ UniquePtr<nsFramesetSpec[]>* aSpecs);
+
+ /**
+ * The number of size specs in our "rows" attr
+ */
+ int32_t mNumRows;
+ /**
+ * The number of size specs in our "cols" attr
+ */
+ int32_t mNumCols;
+ /**
+ * The style hint to return for the rows/cols attrs in
+ * GetAttributeChangeHint
+ */
+ nsChangeHint mCurrentRowColHint;
+ /**
+ * The parsed representation of the "rows" attribute
+ */
+ UniquePtr<nsFramesetSpec[]> mRowSpecs; // parsed, non-computed dimensions
+ /**
+ * The parsed representation of the "cols" attribute
+ */
+ UniquePtr<nsFramesetSpec[]> mColSpecs; // parsed, non-computed dimensions
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // HTMLFrameSetElement_h