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/*
* Copyright (C) 2017 Igalia S.L.
*
* 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 "ResourceUsageOverlay.h"
#if ENABLE(RESOURCE_USAGE) && OS(LINUX)
#include "Chrome.h"
#include "ChromeClient.h"
#include "CommonVM.h"
#include "GraphicsContext.h"
#include "Page.h"
#include "RenderTheme.h"
#include "ResourceUsageThread.h"
#include <JavaScriptCore/VM.h>
#include <wtf/text/StringConcatenateNumbers.h>
namespace WebCore {
static ResourceUsageData gData;
static String cpuUsageString(float cpuUsage)
{
if (cpuUsage < 0)
return "<unknown>"_s;
return makeString(FormattedNumber::fixedWidth(cpuUsage, 1), '%');
}
static String formatByteNumber(size_t number)
{
if (number >= 1024 * 1048576)
return makeString(FormattedNumber::fixedWidth(number / (1024. * 1048576), 3), " GB");
if (number >= 1048576)
return makeString(FormattedNumber::fixedWidth(number / 1048576., 2), " MB");
if (number >= 1024)
return makeString(FormattedNumber::fixedWidth(number / 1024, 1), " kB");
return String::number(number);
}
static String gcTimerString(MonotonicTime timerFireDate, MonotonicTime now)
{
if (std::isnan(timerFireDate))
return "[not scheduled]"_s;
return String::numberToStringFixedPrecision((timerFireDate - now).seconds());
}
static const float gFontSize = 14;
class ResourceUsageOverlayPainter final : public GraphicsLayerClient {
WTF_MAKE_FAST_ALLOCATED;
public:
ResourceUsageOverlayPainter(ResourceUsageOverlay& overlay)
: m_overlay(overlay)
{
FontCascadeDescription fontDescription;
RenderTheme::singleton().systemFont(CSSValueMessageBox, fontDescription);
fontDescription.setComputedSize(gFontSize);
m_textFont = FontCascade(WTFMove(fontDescription), 0, 0);
m_textFont.update(nullptr);
}
~ResourceUsageOverlayPainter() = default;
private:
void paintContents(const GraphicsLayer*, GraphicsContext& context, const FloatRect& clip, GraphicsLayerPaintBehavior) override
{
GraphicsContextStateSaver stateSaver(context);
context.fillRect(clip, Color(0.0f, 0.0f, 0.0f, 0.8f));
context.setFillColor(Color(0.9f, 0.9f, 0.9f, 1.f));
FloatPoint position = { 10, 20 };
String string = "CPU: " + cpuUsageString(gData.cpu);
context.drawText(m_textFont, TextRun(string), position);
position.move(0, gFontSize + 2);
string = "Memory: " + formatByteNumber(gData.totalDirtySize);
context.drawText(m_textFont, TextRun(string), position);
position.move(0, gFontSize + 2);
string = "External: " + formatByteNumber(gData.totalExternalSize);
context.drawText(m_textFont, TextRun(string), position);
position.move(0, gFontSize + 2);
string = "GC Heap: " + formatByteNumber(gData.categories[MemoryCategory::GCHeap].dirtySize);
context.drawText(m_textFont, TextRun(string), position);
position.move(0, gFontSize + 2);
string = "GC owned: " + formatByteNumber(gData.categories[MemoryCategory::GCOwned].dirtySize);
context.drawText(m_textFont, TextRun(string), position);
position.move(0, gFontSize + 2);
MonotonicTime now = MonotonicTime::now();
string = "Eden GC: " + gcTimerString(gData.timeOfNextEdenCollection, now);
context.drawText(m_textFont, TextRun(string), position);
position.move(0, gFontSize + 2);
string = "Full GC: " + gcTimerString(gData.timeOfNextFullCollection, now);
context.drawText(m_textFont, TextRun(string), position);
position.move(0, gFontSize + 2);
}
void notifyFlushRequired(const GraphicsLayer*) override
{
m_overlay.overlay().page()->chrome().client().scheduleRenderingUpdate();
}
ResourceUsageOverlay& m_overlay;
FontCascade m_textFont;
};
void ResourceUsageOverlay::platformInitialize()
{
m_overlayPainter = makeUnique<ResourceUsageOverlayPainter>(*this);
m_paintLayer = GraphicsLayer::create(overlay().page()->chrome().client().graphicsLayerFactory(), *m_overlayPainter);
m_paintLayer->setAnchorPoint(FloatPoint3D());
m_paintLayer->setSize({ normalWidth, normalHeight });
m_paintLayer->setBackgroundColor(Color(0.0f, 0.0f, 0.0f, 0.8f));
m_paintLayer->setDrawsContent(true);
overlay().layer().addChild(*m_paintLayer);
ResourceUsageThread::addObserver(this, All, [this] (const ResourceUsageData& data) {
gData = data;
m_paintLayer->setNeedsDisplay();
});
}
void ResourceUsageOverlay::platformDestroy()
{
ResourceUsageThread::removeObserver(this);
if (!m_paintLayer)
return;
m_paintLayer->removeFromParent();
m_paintLayer = nullptr;
m_overlayPainter = nullptr;
}
} // namespace WebCore
#endif // ENABLE(RESOURCE_USAGE) && OS(LINUX)