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/*
* Copyright (C) 2015 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"
#if ENABLE(RESOURCE_USAGE)
#include "ResourceUsageOverlay.h"
#include "Frame.h"
#include "FrameView.h"
#include "Page.h"
#include "PageOverlayController.h"
#include "PlatformMouseEvent.h"
namespace WebCore {
ResourceUsageOverlay::ResourceUsageOverlay(Page& page)
: m_page(page)
, m_overlay(PageOverlay::create(*this, PageOverlay::OverlayType::View))
{
// Let the event loop cycle before continuing with initialization.
// This way we'll have access to the FrameView's dimensions.
callOnMainThread([this] {
initialize();
});
}
ResourceUsageOverlay::~ResourceUsageOverlay()
{
platformDestroy();
// FIXME: This is a hack so we don't try to uninstall the PageOverlay during Page destruction.
if (m_page.mainFrame().page())
m_page.pageOverlayController().uninstallPageOverlay(*m_overlay, PageOverlay::FadeMode::DoNotFade);
}
void ResourceUsageOverlay::initialize()
{
if (!m_page.mainFrame().view())
return;
FrameView& frameView = *m_page.mainFrame().view();
IntRect initialRect(frameView.width() / 2 - normalWidth / 2, frameView.height() - normalHeight - 20, normalWidth, normalHeight);
#if PLATFORM(IOS)
// FIXME: The overlay should be stuck to the viewport instead of moving along with the page.
initialRect.setY(20);
#endif
m_overlay->setFrame(initialRect);
m_page.pageOverlayController().installPageOverlay(*m_overlay, PageOverlay::FadeMode::DoNotFade);
platformInitialize();
}
bool ResourceUsageOverlay::mouseEvent(PageOverlay&, const PlatformMouseEvent& event)
{
if (event.button() != LeftButton)
return false;
switch (event.type()) {
case PlatformEvent::MousePressed: {
m_overlay->setShouldIgnoreMouseEventsOutsideBounds(false);
m_dragging = true;
IntPoint location = m_overlay->frame().location();
m_dragPoint = event.position() + IntPoint(-location.x(), -location.y());
return true;
}
case PlatformEvent::MouseReleased:
if (m_dragging) {
m_overlay->setShouldIgnoreMouseEventsOutsideBounds(true);
m_dragging = false;
return true;
}
break;
case PlatformEvent::MouseMoved:
if (m_dragging) {
IntRect newFrame = m_overlay->frame();
// Move the new frame relative to the point where the drag was initiated.
newFrame.setLocation(event.position());
newFrame.moveBy(IntPoint(-m_dragPoint.x(), -m_dragPoint.y()));
// Force the frame to stay inside the viewport entirely.
if (newFrame.x() < 0)
newFrame.setX(0);
if (newFrame.y() < m_page.topContentInset())
newFrame.setY(m_page.topContentInset());
FrameView& frameView = *m_page.mainFrame().view();
if (newFrame.maxX() > frameView.width())
newFrame.setX(frameView.width() - newFrame.width());
if (newFrame.maxY() > frameView.height())
newFrame.setY(frameView.height() - newFrame.height());
m_overlay->setFrame(newFrame);
m_overlay->setNeedsDisplay();
return true;
}
break;
default:
break;
}
return false;
}
}
#endif