bool PageCache::canCache(Page* page) const
{
if (!page)
return false;
#if PLATFORM(CHROMIUM) || !defined(NDEBUG)
logCanCachePageDecision(page);
#endif
// Cache the page, if possible.
// Don't write to the cache if in the middle of a redirect, since we will want to
// store the final page we end up on.
// No point writing to the cache on a reload or loadSame, since we will just write
// over it again when we leave that page.
FrameLoadType loadType = page->mainFrame()->loader()->loadType();
return m_capacity > 0
&& canCachePageContainingThisFrame(page->mainFrame())
&& page->backForward()->isActive()
&& page->settings()->usesPageCache()
#if ENABLE(DEVICE_ORIENTATION)
&& !DeviceMotionController::isActiveAt(page)
&& !DeviceOrientationController::isActiveAt(page)
#endif
#if ENABLE(PROXIMITY_EVENTS)
&& !DeviceProximityController::isActiveAt(page)
#endif
&& loadType != FrameLoadTypeReload
&& loadType != FrameLoadTypeReloadFromOrigin
&& loadType != FrameLoadTypeSame;
}
bool PageCache::canCache(Page* page) const
{
if (!page)
return false;
#if !defined(NDEBUG)
logCanCachePageDecision(page);
#endif
if (memoryPressureHandler().isUnderMemoryPressure())
return false;
// Cache the page, if possible.
// Don't write to the cache if in the middle of a redirect, since we will want to
// store the final page we end up on.
// No point writing to the cache on a reload or loadSame, since we will just write
// over it again when we leave that page.
FrameLoadType loadType = page->mainFrame().loader().loadType();
return m_capacity > 0
&& canCachePageContainingThisFrame(&page->mainFrame())
&& page->settings().usesPageCache()
#if ENABLE(DEVICE_ORIENTATION) && !PLATFORM(IOS)
&& !DeviceMotionController::isActiveAt(page)
&& !DeviceOrientationController::isActiveAt(page)
#endif
#if ENABLE(PROXIMITY_EVENTS)
&& !DeviceProximityController::isActiveAt(page)
#endif
&& (loadType == FrameLoadType::Standard
|| loadType == FrameLoadType::Back
|| loadType == FrameLoadType::Forward
|| loadType == FrameLoadType::IndexedBackForward);
}