PDFPluginTextAnnotation.mm [plain text]
/*
* Copyright (C) 2012 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. AND ITS CONTRIBUTORS ``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 ITS 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.
*/
#import "config.h"
#import "PDFPluginTextAnnotation.h"
#if ENABLE(PDFKIT_PLUGIN)
#import "PDFAnnotationTextWidgetDetails.h"
#import "PDFKitImports.h"
#import "PDFLayerControllerDetails.h"
#import "PDFPlugin.h"
#import <PDFKit/PDFKit.h>
#import <WebCore/CSSPrimitiveValue.h>
#import <WebCore/CSSPropertyNames.h>
#import <WebCore/ColorMac.h>
#import <WebCore/Event.h>
#import <WebCore/HTMLElement.h>
#import <WebCore/HTMLInputElement.h>
#import <WebCore/HTMLNames.h>
#import <WebCore/HTMLTextAreaElement.h>
#import <WebCore/KeyboardEvent.h>
#import <WebCore/Page.h>
using namespace WebCore;
namespace WebKit {
using namespace HTMLNames;
static const String cssAlignmentValueForNSTextAlignment(NSTextAlignment alignment)
{
switch (alignment) {
case NSLeftTextAlignment:
return "left";
case NSRightTextAlignment:
return "right";
case NSCenterTextAlignment:
return "center";
case NSJustifiedTextAlignment:
return "justify";
case NSNaturalTextAlignment:
return "-webkit-start";
}
ASSERT_NOT_REACHED();
return String();
}
PassRefPtr<PDFPluginTextAnnotation> PDFPluginTextAnnotation::create(PDFAnnotation *annotation, PDFLayerController *pdfLayerController, PDFPlugin* plugin)
{
return adoptRef(new PDFPluginTextAnnotation(annotation, pdfLayerController, plugin));
}
PDFPluginTextAnnotation::~PDFPluginTextAnnotation()
{
element()->removeEventListener(eventNames().keydownEvent, eventListener(), false);
}
PassRefPtr<Element> PDFPluginTextAnnotation::createAnnotationElement()
{
RefPtr<Element> element;
Document* document = parent()->ownerDocument();
PDFAnnotationTextWidget *textAnnotation = this->textAnnotation();
bool isMultiline = textAnnotation.isMultiline;
if (isMultiline)
element = document->createElement(textareaTag, false);
else
element = document->createElement(inputTag, false);
element->addEventListener(eventNames().keydownEvent, eventListener(), false);
StyledElement* styledElement = static_cast<StyledElement*>(element.get());
if (!textAnnotation)
return element;
// FIXME: Match font weight and style as well?
styledElement->setInlineStyleProperty(CSSPropertyColor, colorFromNSColor(textAnnotation.fontColor).serialized());
styledElement->setInlineStyleProperty(CSSPropertyFontFamily, textAnnotation.font.familyName);
styledElement->setInlineStyleProperty(CSSPropertyTextAlign, cssAlignmentValueForNSTextAlignment(textAnnotation.alignment));
if (isMultiline)
static_cast<HTMLTextAreaElement*>(styledElement)->setValue(textAnnotation.stringValue);
else
static_cast<HTMLInputElement*>(styledElement)->setValue(textAnnotation.stringValue);
return element;
}
void PDFPluginTextAnnotation::updateGeometry()
{
PDFPluginAnnotation::updateGeometry();
StyledElement* styledElement = static_cast<StyledElement*>(element());
styledElement->setInlineStyleProperty(CSSPropertyFontSize, textAnnotation().font.pointSize * pdfLayerController().contentScaleFactor, CSSPrimitiveValue::CSS_PX);
}
void PDFPluginTextAnnotation::commit()
{
textAnnotation().stringValue = value();
PDFPluginAnnotation::commit();
}
String PDFPluginTextAnnotation::value() const
{
return toHTMLTextFormControlElement(element())->value();
}
bool PDFPluginTextAnnotation::handleEvent(Event* event)
{
if (PDFPluginAnnotation::handleEvent(event))
return true;
if (event->isKeyboardEvent() && event->type() == eventNames().keydownEvent) {
KeyboardEvent* keyboardEvent = static_cast<KeyboardEvent*>(event);
if (keyboardEvent->keyIdentifier() == "U+0009") {
if (keyboardEvent->ctrlKey() || keyboardEvent->metaKey() || keyboardEvent->altGraphKey())
return false;
if (keyboardEvent->shiftKey())
plugin()->focusPreviousAnnotation();
else
plugin()->focusNextAnnotation();
event->preventDefault();
return true;
}
}
return false;
}
} // namespace WebKit
#endif // ENABLE(PDFKIT_PLUGIN)