TapHighlightController.cpp [plain text]
#include "config.h"
#include "TapHighlightController.h"
#if ENABLE(TOUCH_EVENTS)
#include "ShareableBitmap.h"
#include "WKPage.h"
#include "WebCoreArgumentCoders.h"
#include "WebPage.h"
#include "WebPageProxyMessages.h"
#include "WebProcess.h"
#include <WebCore/FocusController.h>
#include <WebCore/Frame.h>
#include <WebCore/FrameView.h>
#include <WebCore/GestureTapHighlighter.h>
#include <WebCore/GraphicsContext.h>
#include <WebCore/Page.h>
#include <WebCore/RenderElement.h>
using namespace std;
using namespace WebCore;
namespace WebKit {
TapHighlightController::TapHighlightController(WebPage* webPage)
: m_webPage(webPage)
, m_overlay(0)
{
}
TapHighlightController::~TapHighlightController()
{
}
void TapHighlightController::highlight(Node* node)
{
ASSERT(node);
m_path = GestureTapHighlighter::pathForNodeHighlight(node);
m_color = node->renderer()->style().tapHighlightColor();
if (!m_overlay) {
RefPtr<PageOverlay> overlay = PageOverlay::create(this);
m_overlay = overlay.get();
m_webPage->installPageOverlay(overlay.release());
} else
m_overlay->setNeedsDisplay();
}
void TapHighlightController::hideHighlight()
{
if (m_overlay)
m_webPage->uninstallPageOverlay(m_overlay, PageOverlay::FadeMode::Fade);
}
void TapHighlightController::pageOverlayDestroyed(PageOverlay*)
{
}
void TapHighlightController::willMoveToWebPage(PageOverlay*, WebPage* webPage)
{
if (webPage)
return;
ASSERT(m_overlay);
m_overlay = 0;
}
void TapHighlightController::didMoveToWebPage(PageOverlay*, WebPage*)
{
}
static Color highlightColor(Color baseColor, float fractionFadedIn)
{
return Color(baseColor.red(), baseColor.green(), baseColor.blue(), int(baseColor.alpha() * fractionFadedIn));
}
void TapHighlightController::drawRect(PageOverlay* , GraphicsContext& context, const IntRect& )
{
if (m_path.isEmpty())
return;
{
GraphicsContextStateSaver stateSaver(context);
context.setFillColor(highlightColor(m_color, 0.5f), ColorSpaceSRGB);
context.fillPath(m_path);
}
}
bool TapHighlightController::mouseEvent(PageOverlay*, const WebMouseEvent&)
{
return false;
}
}
#endif // ENABLE(TOUCH_EVENTS)