Create the Goanna Runtime Environment

1 files changed, 120 insertions, 0 deletions

diff --git a/dom/xbl/nsXBLEventHandler.h b/dom/xbl/nsXBLEventHandler.h
new file mode 100644
index 000000000..40587c93c
--- /dev/null
+++ b/dom/xbl/nsXBLEventHandler.h
@@ -0,0 +1,120 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 nsXBLEventHandler_h__
+#define nsXBLEventHandler_h__
+
+#include "mozilla/Attributes.h"
+#include "nsCOMPtr.h"
+#include "nsIDOMEventListener.h"
+#include "nsTArray.h"
+
+class nsIAtom;
+class nsIDOMKeyEvent;
+class nsXBLPrototypeHandler;
+
+namespace mozilla {
+namespace dom {
+struct IgnoreModifierState;
+} // namespace dom
+} // namespace mozilla
+
+class nsXBLEventHandler : public nsIDOMEventListener
+{
+public:
+  explicit nsXBLEventHandler(nsXBLPrototypeHandler* aHandler);
+
+  NS_DECL_ISUPPORTS
+
+  NS_DECL_NSIDOMEVENTLISTENER
+
+protected:
+  virtual ~nsXBLEventHandler();
+  nsXBLPrototypeHandler* mProtoHandler;
+
+private:
+  nsXBLEventHandler();
+  virtual bool EventMatched(nsIDOMEvent* aEvent)
+  {
+    return true;
+  }
+};
+
+class nsXBLMouseEventHandler : public nsXBLEventHandler
+{
+public:
+  explicit nsXBLMouseEventHandler(nsXBLPrototypeHandler* aHandler);
+  virtual ~nsXBLMouseEventHandler();
+
+private:
+  bool EventMatched(nsIDOMEvent* aEvent) override;
+};
+
+class nsXBLKeyEventHandler : public nsIDOMEventListener
+{
+  typedef mozilla::dom::IgnoreModifierState IgnoreModifierState;
+
+public:
+  nsXBLKeyEventHandler(nsIAtom* aEventType, uint8_t aPhase, uint8_t aType);
+
+  NS_DECL_ISUPPORTS
+
+  NS_DECL_NSIDOMEVENTLISTENER
+
+  void AddProtoHandler(nsXBLPrototypeHandler* aProtoHandler)
+  {
+    mProtoHandlers.AppendElement(aProtoHandler);
+  }
+
+  bool Matches(nsIAtom* aEventType, uint8_t aPhase, uint8_t aType) const
+  {
+    return (mEventType == aEventType && mPhase == aPhase && mType == aType);
+  }
+
+  void GetEventName(nsAString& aString) const
+  {
+    mEventType->ToString(aString);
+  }
+
+  uint8_t GetPhase() const
+  {
+    return mPhase;
+  }
+
+  uint8_t GetType() const
+  {
+    return mType;
+  }
+
+  void SetIsBoundToChrome(bool aIsBoundToChrome)
+  {
+    mIsBoundToChrome = aIsBoundToChrome;
+  }
+
+  void SetUsingContentXBLScope(bool aUsingContentXBLScope)
+  {
+    mUsingContentXBLScope = aUsingContentXBLScope;
+  }
+
+private:
+  nsXBLKeyEventHandler();
+  virtual ~nsXBLKeyEventHandler();
+
+  bool ExecuteMatchedHandlers(nsIDOMKeyEvent* aEvent, uint32_t aCharCode,
+                              const IgnoreModifierState& aIgnoreModifierState);
+
+  nsTArray<nsXBLPrototypeHandler*> mProtoHandlers;
+  nsCOMPtr<nsIAtom> mEventType;
+  uint8_t mPhase;
+  uint8_t mType;
+  bool mIsBoundToChrome;
+  bool mUsingContentXBLScope;
+};
+
+already_AddRefed<nsXBLEventHandler>
+NS_NewXBLEventHandler(nsXBLPrototypeHandler* aHandler,
+                      nsIAtom* aEventType);
+
+#endif