gecko-dev/accessible/xpcom/xpcAccessibleMacInterface.h

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C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=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_a11y_xpcAccessibleMacInterface_h_
#define mozilla_a11y_xpcAccessibleMacInterface_h_
#include "nsIAccessibleMacInterface.h"
#include "AccessibleOrProxy.h"
class nsIAccessibleMacInterface;
namespace mozilla {
namespace a11y {
class xpcAccessibleMacNSObjectWrapper : public nsIAccessibleMacNSObjectWrapper {
public:
explicit xpcAccessibleMacNSObjectWrapper(id aTextMarker);
NS_DECL_ISUPPORTS
NS_DECL_NSIACCESSIBLEMACNSOBJECTWRAPPER;
// Get the wrapped NSObject for this interface.
id GetNativeObject() const final;
protected:
virtual ~xpcAccessibleMacNSObjectWrapper();
id mNativeObject;
};
class xpcAccessibleMacInterface : public xpcAccessibleMacNSObjectWrapper,
public nsIAccessibleMacInterface {
public:
// Construct an xpcAccessibleMacInterface using this
// native object that conforms to the NSAccessibility protocol.
explicit xpcAccessibleMacInterface(id aNativeObj)
: xpcAccessibleMacNSObjectWrapper(aNativeObj) {}
// Construct an xpcAccessibleMacInterface using the native object
// associated with this accessible or proxy.
explicit xpcAccessibleMacInterface(AccessibleOrProxy aObj);
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIACCESSIBLEMACINTERFACE
// Convert an NSObject (which can be anything, string, number, array, etc.)
// into a properly typed js value populated in the aResult handle.
static nsresult NSObjectToJsValue(id aObj, JSContext* aCx,
JS::MutableHandleValue aResult);
protected:
virtual ~xpcAccessibleMacInterface() {}
// Return true if our native object responds to this selector and
// if it implements isAccessibilitySelectorAllowed check that it returns true
// too.
bool SupportsSelector(SEL aSelector);
// Convert a js value to an NSObject. This is called recursively for arrays.
// If the conversion fails, aResult is set to an error and nil is returned.
id JsValueToNSObject(JS::HandleValue aValue, JSContext* aCx,
nsresult* aResult);
// Convert a js value to an NSValue NSObject. This is called
// by JsValueToNSObject when encountering a JS object with
// a "value" and "valueType" property.
id JsValueToNSValue(JS::HandleObject aObject, JSContext* aCx,
nsresult* aResult);
// Convert a js value to a specified NSObject. This is called
// by JsValueToNSObject when encountering a JS object with
// a "object" and "objcetType" property.
id JsValueToSpecifiedNSObject(JS::HandleObject aObject, JSContext* aCx,
nsresult* aResult);
private:
xpcAccessibleMacInterface(const xpcAccessibleMacInterface&) = delete;
xpcAccessibleMacInterface& operator=(const xpcAccessibleMacInterface&) =
delete;
};
class xpcAccessibleMacEvent : public nsIAccessibleMacEvent {
public:
explicit xpcAccessibleMacEvent(id aNativeObj, id aData);
NS_DECL_ISUPPORTS
NS_DECL_NSIACCESSIBLEMACEVENT;
// This sends notifications via nsIObserverService to be consumed by our
// mochitests. aNativeObj is a NSAccessibility protocol object,
// and aNotification is a NSString.
static void FireEvent(id aNativeObj, id aNotification, id aUserInfo);
protected:
virtual ~xpcAccessibleMacEvent();
id mNativeObject;
id mData;
};
} // namespace a11y
} // namespace mozilla
#endif