Bug 1250767 - Basic Servo Bindings. r=heycam

layout/style/ServoBindings.cpp

@@ -0,0 +1,131 @@
+/* -*- 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/ServoBindings.h"
+
+#include "nsCSSRuleProcessor.h"
+#include "nsContentUtils.h"
+#include "nsIDOMNode.h"
+#include "nsIDocument.h"
+#include "nsINode.h"
+#include "nsNameSpaceManager.h"
+#include "nsString.h"
+
+#include "mozilla/EventStates.h"
+#include "mozilla/dom/Element.h"
+
+uint32_t
+Gecko_ChildrenCount(RawGeckoNode* aNode)
+{
+  return aNode->GetChildCount();
+}
+
+int
+Gecko_NodeIsElement(RawGeckoNode* aNode)
+{
+  return aNode->IsElement();
+}
+
+RawGeckoNode*
+Gecko_GetParentNode(RawGeckoNode* aNode)
+{
+  return aNode->GetParentNode();
+}
+
+RawGeckoNode*
+Gecko_GetFirstChild(RawGeckoNode* aNode)
+{
+  return aNode->GetFirstChild();
+}
+
+RawGeckoNode*
+Gecko_GetLastChild(RawGeckoNode* aNode)
+{
+  return aNode->GetLastChild();
+}
+
+RawGeckoNode*
+Gecko_GetPrevSibling(RawGeckoNode* aNode)
+{
+  return aNode->GetPreviousSibling();
+}
+
+RawGeckoNode*
+Gecko_GetNextSibling(RawGeckoNode* aNode)
+{
+  return aNode->GetNextSibling();
+}
+
+RawGeckoElement*
+Gecko_GetParentElement(RawGeckoElement* aElement)
+{
+  return aElement->GetParentElement();
+}
+
+RawGeckoElement*
+Gecko_GetFirstChildElement(RawGeckoElement* aElement)
+{
+  return aElement->GetFirstElementChild();
+}
+
+RawGeckoElement* Gecko_GetLastChildElement(RawGeckoElement* aElement)
+{
+  return aElement->GetLastElementChild();
+}
+
+RawGeckoElement*
+Gecko_GetPrevSiblingElement(RawGeckoElement* aElement)
+{
+  return aElement->GetPreviousElementSibling();
+}
+
+RawGeckoElement*
+Gecko_GetNextSiblingElement(RawGeckoElement* aElement)
+{
+  return aElement->GetNextElementSibling();
+}
+
+RawGeckoElement*
+Gecko_GetDocumentElement(RawGeckoDocument* aDoc)
+{
+  return aDoc->GetDocumentElement();
+}
+
+int
+Gecko_IsHTMLElementInHTMLDocument(RawGeckoElement* aElement)
+{
+  return aElement->IsHTMLElement() && aElement->OwnerDoc()->IsHTMLDocument();
+}
+
+int
+Gecko_IsLink(RawGeckoElement* aElement)
+{
+  return nsCSSRuleProcessor::IsLink(aElement);
+}
+
+int Gecko_IsTextNode(RawGeckoNode* aNode)
+{
+  return aNode->NodeInfo()->NodeType() == nsIDOMNode::TEXT_NODE;
+}
+
+int
+Gecko_IsVisitedLink(RawGeckoElement* aElement)
+{
+  return aElement->StyleState().HasState(NS_EVENT_STATE_VISITED);
+}
+
+int
+Gecko_IsUnvisitedLink(RawGeckoElement* aElement)
+{
+  return aElement->StyleState().HasState(NS_EVENT_STATE_UNVISITED);
+}
+
+int
+Gecko_IsRootElement(RawGeckoElement* aElement)
+{
+  return aElement->OwnerDoc()->GetRootElement() == aElement;
+}
+

layout/style/ServoBindings.h

@@ -0,0 +1,71 @@
+/* -*- 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 mozilla_ServoBindings_h
+#define mozilla_ServoBindings_h
+
+#include <stdint.h>
+
+/*
+ * API for Servo to access Gecko data structures. This file must compile as valid
+ * C code in order for the binding generator to parse it.
+ *
+ * Functions beginning with Gecko_ are implemented in Gecko and invoked from Servo.
+ * Functions beginning with Servo_ are implemented in Servo and invoked from Gecko.
+ */
+
+#ifdef __cplusplus
+class nsINode;
+typedef nsINode RawGeckoNode;
+namespace mozilla { namespace dom { class Element; } }
+using mozilla::dom::Element;
+typedef mozilla::dom::Element RawGeckoElement;
+class nsIDocument;
+typedef nsIDocument RawGeckoDocument;
+#else
+struct RawGeckoNode;
+typedef struct RawGeckoNode RawGeckoNode;
+struct RawGeckoElement;
+typedef struct RawGeckoElement RawGeckoElement;
+struct RawGeckoDocument;
+typedef struct RawGeckoDocument RawGeckoDocument;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// DOM Traversal.
+uint32_t Gecko_ChildrenCount(RawGeckoNode* node);
+int Gecko_NodeIsElement(RawGeckoNode* node);
+RawGeckoNode* Gecko_GetParentNode(RawGeckoNode* node);
+RawGeckoNode* Gecko_GetFirstChild(RawGeckoNode* node);
+RawGeckoNode* Gecko_GetLastChild(RawGeckoNode* node);
+RawGeckoNode* Gecko_GetPrevSibling(RawGeckoNode* node);
+RawGeckoNode* Gecko_GetNextSibling(RawGeckoNode* node);
+RawGeckoElement* Gecko_GetParentElement(RawGeckoElement* element);
+RawGeckoElement* Gecko_GetFirstChildElement(RawGeckoElement* element);
+RawGeckoElement* Gecko_GetLastChildElement(RawGeckoElement* element);
+RawGeckoElement* Gecko_GetPrevSiblingElement(RawGeckoElement* element);
+RawGeckoElement* Gecko_GetNextSiblingElement(RawGeckoElement* element);
+RawGeckoElement* Gecko_GetDocumentElement(RawGeckoDocument* document);
+
+// Selector Matching.
+int Gecko_IsHTMLElementInHTMLDocument(RawGeckoElement* element);
+int Gecko_IsLink(RawGeckoElement* element);
+int Gecko_IsTextNode(RawGeckoNode* node);
+int Gecko_IsVisitedLink(RawGeckoElement* element);
+int Gecko_IsUnvisitedLink(RawGeckoElement* element);
+int Gecko_IsRootElement(RawGeckoElement* element);
+
+// Servo API.
+void Servo_RestyleDocument(RawGeckoDocument* aDoc);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // mozilla_ServoBindings_h

layout/style/moz.build

@@ -89,6 +89,7 @@ EXPORTS.mozilla += [
     'LayerAnimationInfo.h',
     'RuleNodeCacheConditions.h',
     'RuleProcessorCache.h',
+    'ServoBindings.h',
     'ServoStyleSet.h',
     'ServoStyleSheet.h',
     'SheetType.h',
@@ -180,6 +181,7 @@ UNIFIED_SOURCES += [
     'nsTransitionManager.cpp',
     'RuleNodeCacheConditions.cpp',
     'RuleProcessorCache.cpp',
+    'ServoBindings.cpp',
     'ServoStyleSet.cpp',
     'ServoStyleSheet.cpp',
     'StyleAnimationValue.cpp',