unsigned Screen::width() const
{
if (!m_frame)
return 0;
FrameHost* host = m_frame->host();
if (host && host->settings().reportScreenSizeInPhysicalPixelsQuirk())
return lroundf(screenRect(m_frame->view()).width() * host->deviceScaleFactor());
return static_cast<unsigned>(screenRect(m_frame->view()).width());
}
int Screen::availTop() const
{
if (!m_frame)
return 0;
FrameHost* host = m_frame->host();
if (host && host->settings().reportScreenSizeInPhysicalPixelsQuirk())
return lroundf(screenAvailableRect(m_frame->view()).y() * host->deviceScaleFactor());
return static_cast<int>(screenAvailableRect(m_frame->view()).y());
}
int Screen::availTop() const
{
if (!m_frame)
return 0;
FrameHost* host = m_frame->host();
if (!host)
return 0;
if (host->settings().reportScreenSizeInPhysicalPixelsQuirk())
return lroundf(host->chromeClient().screenInfo().availableRect.y * host->deviceScaleFactor());
return static_cast<int>(host->chromeClient().screenInfo().availableRect.y);
}
int Screen::width() const
{
if (!m_frame)
return 0;
FrameHost* host = m_frame->host();
if (!host)
return 0;
if (host->settings().reportScreenSizeInPhysicalPixelsQuirk())
return lroundf(host->chromeClient().screenInfo().rect.width * host->deviceScaleFactor());
return host->chromeClient().screenInfo().rect.width;
}
Storage* DOMWindowStorage::localStorage(ExceptionState& exceptionState) const
{
if (!m_window->isCurrentlyDisplayedInFrame())
return nullptr;
Document* document = m_window->document();
if (!document)
return nullptr;
String accessDeniedMessage = "Access is denied for this document.";
if (!document->securityOrigin()->canAccessLocalStorage()) {
if (document->isSandboxed(SandboxOrigin))
exceptionState.throwSecurityError("The document is sandboxed and lacks the 'allow-same-origin' flag.");
else if (document->url().protocolIs("data"))
exceptionState.throwSecurityError("Storage is disabled inside 'data:' URLs.");
else
exceptionState.throwSecurityError(accessDeniedMessage);
return nullptr;
}
if (m_localStorage) {
if (!m_localStorage->area()->canAccessStorage(m_window->frame())) {
exceptionState.throwSecurityError(accessDeniedMessage);
return nullptr;
}
return m_localStorage;
}
// FIXME: Seems this check should be much higher?
FrameHost* host = document->frameHost();
if (!host || !host->settings().localStorageEnabled())
return nullptr;
StorageArea* storageArea = StorageNamespace::localStorageArea(document->securityOrigin());
if (!storageArea->canAccessStorage(m_window->frame())) {
exceptionState.throwSecurityError(accessDeniedMessage);
return nullptr;
}
m_localStorage = Storage::create(m_window->frame(), storageArea);
return m_localStorage;
}
