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/*
* 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.
*/
#include "config.h"
#include "RenderSnapshottedPlugIn.h"
#include "Cursor.h"
#include "FrameLoaderClient.h"
#include "FrameView.h"
#include "Gradient.h"
#include "HTMLPlugInImageElement.h"
#include "MouseEvent.h"
#include "PaintInfo.h"
#include "Path.h"
namespace WebCore {
static const int autoStartPlugInSizeThresholdWidth = 1;
static const int autoStartPlugInSizeThresholdHeight = 1;
static const int startButtonPadding = 10;
RenderSnapshottedPlugIn::RenderSnapshottedPlugIn(HTMLPlugInImageElement* element)
: RenderEmbeddedObject(element)
, m_snapshotResource(RenderImageResource::create())
, m_isMouseInButtonRect(false)
{
m_snapshotResource->initialize(this);
}
RenderSnapshottedPlugIn::~RenderSnapshottedPlugIn()
{
ASSERT(m_snapshotResource);
m_snapshotResource->shutdown();
}
HTMLPlugInImageElement* RenderSnapshottedPlugIn::plugInImageElement() const
{
return static_cast<HTMLPlugInImageElement*>(node());
}
void RenderSnapshottedPlugIn::updateSnapshot(PassRefPtr<Image> image)
{
// Zero-size plugins will have no image.
if (!image)
return;
m_snapshotResource->setCachedImage(new CachedImage(image.get()));
repaint();
}
void RenderSnapshottedPlugIn::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (plugInImageElement()->displayState() < HTMLPlugInElement::PlayingWithPendingMouseClick) {
RenderReplaced::paint(paintInfo, paintOffset);
return;
}
RenderEmbeddedObject::paint(paintInfo, paintOffset);
}
void RenderSnapshottedPlugIn::paintReplaced(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (plugInImageElement()->displayState() < HTMLPlugInElement::PlayingWithPendingMouseClick) {
paintReplacedSnapshot(paintInfo, paintOffset);
paintButton(paintInfo, paintOffset);
return;
}
RenderEmbeddedObject::paintReplaced(paintInfo, paintOffset);
}
void RenderSnapshottedPlugIn::paintReplacedSnapshot(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
// This code should be similar to RenderImage::paintReplaced() and RenderImage::paintIntoRect().
LayoutUnit cWidth = contentWidth();
LayoutUnit cHeight = contentHeight();
if (!cWidth || !cHeight)
return;
RefPtr<Image> image = m_snapshotResource->image();
if (!image || image->isNull())
return;
GraphicsContext* context = paintInfo.context;
#if PLATFORM(MAC)
if (style()->highlight() != nullAtom && !context->paintingDisabled())
paintCustomHighlight(toPoint(paintOffset - location()), style()->highlight(), true);
#endif
LayoutSize contentSize(cWidth, cHeight);
LayoutPoint contentLocation = paintOffset;
contentLocation.move(borderLeft() + paddingLeft(), borderTop() + paddingTop());
LayoutRect rect(contentLocation, contentSize);
IntRect alignedRect = pixelSnappedIntRect(rect);
if (alignedRect.width() <= 0 || alignedRect.height() <= 0)
return;
bool useLowQualityScaling = shouldPaintAtLowQuality(context, image.get(), image.get(), alignedRect.size());
context->drawImage(image.get(), style()->colorSpace(), alignedRect, CompositeSourceOver, shouldRespectImageOrientation(), useLowQualityScaling);
}
static Image* startButtonImage()
{
static Image* buttonImage = Image::loadPlatformResource("startButton").leakRef();
return buttonImage;
}
static Image* startButtonPressedImage()
{
static Image* buttonImage = Image::loadPlatformResource("startButtonPressed").leakRef();
return buttonImage;
}
void RenderSnapshottedPlugIn::paintButton(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
LayoutRect contentRect = contentBoxRect();
if (contentRect.isEmpty())
return;
Image* buttonImage = startButtonImage();
if (plugInImageElement()->active()) {
if (m_isMouseInButtonRect)
buttonImage = startButtonPressedImage();
} else if (!plugInImageElement()->hovered())
return;
LayoutPoint contentLocation = paintOffset + contentRect.maxXMaxYCorner() - buttonImage->size() - LayoutSize(startButtonPadding, startButtonPadding);
paintInfo.context->drawImage(buttonImage, ColorSpaceDeviceRGB, roundedIntPoint(contentLocation), buttonImage->rect());
}
void RenderSnapshottedPlugIn::repaintButton()
{
// FIXME: This is unfortunate. We should just repaint the button.
repaint();
}
CursorDirective RenderSnapshottedPlugIn::getCursor(const LayoutPoint& point, Cursor& overrideCursor) const
{
if (plugInImageElement()->displayState() < HTMLPlugInElement::PlayingWithPendingMouseClick) {
overrideCursor = handCursor();
return SetCursor;
}
return RenderEmbeddedObject::getCursor(point, overrideCursor);
}
void RenderSnapshottedPlugIn::handleEvent(Event* event)
{
if (!event->isMouseEvent())
return;
MouseEvent* mouseEvent = static_cast<MouseEvent*>(event);
if (event->type() == eventNames().clickEvent && mouseEvent->button() == LeftButton) {
if (m_isMouseInButtonRect)
plugInImageElement()->setDisplayState(HTMLPlugInElement::Playing);
else {
plugInImageElement()->setDisplayState(HTMLPlugInElement::PlayingWithPendingMouseClick);
plugInImageElement()->setPendingClickEvent(mouseEvent);
}
if (widget()) {
if (Frame* frame = document()->frame())
frame->loader()->client()->recreatePlugin(widget());
repaint();
}
event->setDefaultHandled();
} else if (event->type() == eventNames().mouseoverEvent || event->type() == eventNames().mouseoutEvent)
repaintButton();
else if (event->type() == eventNames().mousedownEvent) {
bool isMouseInButtonRect = m_buttonRect.contains(IntPoint(mouseEvent->offsetX(), mouseEvent->offsetY()));
if (isMouseInButtonRect != m_isMouseInButtonRect) {
m_isMouseInButtonRect = isMouseInButtonRect;
repaintButton();
}
}
}
void RenderSnapshottedPlugIn::layout()
{
RenderEmbeddedObject::layout();
if (plugInImageElement()->displayState() < HTMLPlugInElement::Playing) {
LayoutRect rect = contentBoxRect();
int width = rect.width();
int height = rect.height();
if (!width || !height || (width <= autoStartPlugInSizeThresholdWidth && height <= autoStartPlugInSizeThresholdHeight))
plugInImageElement()->setDisplayState(HTMLPlugInElement::Playing);
}
LayoutSize buttonSize = startButtonImage()->size();
m_buttonRect = LayoutRect(contentBoxRect().maxXMaxYCorner() - LayoutSize(startButtonPadding, startButtonPadding) - buttonSize, buttonSize);
}
} // namespace WebCore
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