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/*
* Copyright (C) 2008, 2009, 2010 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "AccessibilityController.h"
#include "AccessibilityUIElement.h"
#include <JavaScriptCore/JSRetainPtr.h>
// Static Value Getters
static JSValueRef getFocusedElementCallback(JSContextRef context, JSObjectRef thisObject, JSStringRef propertyName, JSValueRef* exception)
{
AccessibilityController* controller = static_cast<AccessibilityController*>(JSObjectGetPrivate(thisObject));
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, controller->focusedElement());
}
static JSValueRef getRootElementCallback(JSContextRef context, JSObjectRef thisObject, JSStringRef propertyName, JSValueRef* exception)
{
AccessibilityController* controller = static_cast<AccessibilityController*>(JSObjectGetPrivate(thisObject));
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, controller->rootElement());
}
// Object Creation
void AccessibilityController::makeWindowObject(JSContextRef context, JSObjectRef windowObject, JSValueRef* exception)
{
JSRetainPtr<JSStringRef> accessibilityControllerStr(Adopt, JSStringCreateWithUTF8CString("accessibilityController"));
JSClassRef classRef = getJSClass();
JSValueRef accessibilityControllerObject = JSObjectMake(context, classRef, this);
JSClassRelease(classRef);
JSObjectSetProperty(context, windowObject, accessibilityControllerStr.get(), accessibilityControllerObject, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete, exception);
}
static JSValueRef logFocusEventsCallback(JSContextRef ctx, JSObjectRef, JSObjectRef thisObject, size_t, const JSValueRef[], JSValueRef*)
{
AccessibilityController* controller = static_cast<AccessibilityController*>(JSObjectGetPrivate(thisObject));
controller->setLogFocusEvents(true);
return JSValueMakeUndefined(ctx);
}
static JSValueRef logValueChangeEventsCallback(JSContextRef ctx, JSObjectRef, JSObjectRef thisObject, size_t, const JSValueRef[], JSValueRef*)
{
AccessibilityController* controller = static_cast<AccessibilityController*>(JSObjectGetPrivate(thisObject));
controller->setLogValueChangeEvents(true);
return JSValueMakeUndefined(ctx);
}
static JSValueRef logScrollingStartEventsCallback(JSContextRef ctx, JSObjectRef, JSObjectRef thisObject, size_t, const JSValueRef[], JSValueRef*)
{
AccessibilityController* controller = static_cast<AccessibilityController*>(JSObjectGetPrivate(thisObject));
controller->setLogScrollingStartEvents(true);
return JSValueMakeUndefined(ctx);
}
static JSValueRef logAccessibilityEventsCallback(JSContextRef ctx, JSObjectRef, JSObjectRef thisObject, size_t, const JSValueRef[], JSValueRef*)
{
AccessibilityController* controller = static_cast<AccessibilityController*>(JSObjectGetPrivate(thisObject));
controller->setLogAccessibilityEvents(true);
return JSValueMakeUndefined(ctx);
}
static JSValueRef getElementAtPointCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
int x = 0;
int y = 0;
if (argumentCount == 2) {
x = JSValueToNumber(context, arguments[0], exception);
y = JSValueToNumber(context, arguments[1], exception);
}
AccessibilityController* controller = static_cast<AccessibilityController*>(JSObjectGetPrivate(thisObject));
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, controller->elementAtPoint(x, y));
}
JSClassRef AccessibilityController::getJSClass()
{
static JSStaticFunction staticFunctions[] = {
{ "logFocusEvents", logFocusEventsCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
{ "logValueChangeEvents", logValueChangeEventsCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
{ "logScrollingStartEvents", logScrollingStartEventsCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
{ "logAccessibilityEvents", logAccessibilityEventsCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
{ "elementAtPoint", getElementAtPointCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
{ 0, 0, 0 }
};
static JSStaticValue staticValues[] = {
{ "focusedElement", getFocusedElementCallback, 0, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
{ "rootElement", getRootElementCallback, 0, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
{ 0, 0, 0, 0 }
};
static JSClassDefinition classDefinition = {
0, kJSClassAttributeNone, "AccessibilityController", 0, staticValues, staticFunctions,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
return JSClassCreate(&classDefinition);
}
void AccessibilityController::resetToConsistentState()
{
setLogFocusEvents(false);
setLogValueChangeEvents(false);
setLogScrollingStartEvents(false);
setLogAccessibilityEvents(false);
}
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