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/*
* Copyright (C) 2019 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:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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 THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER OR
* 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 "DeviceOrientationAndMotionAccessController.h"
#if ENABLE(DEVICE_ORIENTATION)
#include "Chrome.h"
#include "ChromeClient.h"
#include "Document.h"
#include "DocumentLoader.h"
#include "LocalDOMWindow.h"
#include "LocalFrame.h"
#include "Page.h"
#include "UserGestureIndicator.h"
namespace WebCore {
DeviceOrientationAndMotionAccessController::DeviceOrientationAndMotionAccessController(Document& topDocument)
: m_topDocument(topDocument)
{
}
DeviceOrientationOrMotionPermissionState DeviceOrientationAndMotionAccessController::accessState(const Document& document) const
{
auto iterator = m_accessStatePerOrigin.find(document.securityOrigin().data());
if (iterator != m_accessStatePerOrigin.end())
return iterator->value;
// Check per-site setting.
if (&document == &m_topDocument || document.securityOrigin().isSameOriginAs(m_topDocument.securityOrigin())) {
auto* frame = m_topDocument.frame();
if (auto* documentLoader = frame ? frame->loader().documentLoader() : nullptr)
return documentLoader->deviceOrientationAndMotionAccessState();
}
return DeviceOrientationOrMotionPermissionState::Prompt;
}
void DeviceOrientationAndMotionAccessController::shouldAllowAccess(const Document& document, Function<void(DeviceOrientationOrMotionPermissionState)>&& callback)
{
auto* page = document.page();
auto* frame = document.frame();
if (!page || !frame)
return callback(DeviceOrientationOrMotionPermissionState::Denied);
auto accessState = this->accessState(document);
if (accessState != DeviceOrientationOrMotionPermissionState::Prompt)
return callback(accessState);
bool mayPrompt = UserGestureIndicator::processingUserGesture(&document);
page->chrome().client().shouldAllowDeviceOrientationAndMotionAccess(*document.frame(), mayPrompt, [this, weakThis = WeakPtr { *this }, securityOrigin = Ref { document.securityOrigin() }, callback = WTFMove(callback)](DeviceOrientationOrMotionPermissionState permissionState) mutable {
if (!weakThis)
return;
m_accessStatePerOrigin.set(securityOrigin->data(), permissionState);
callback(permissionState);
if (permissionState != DeviceOrientationOrMotionPermissionState::Granted)
return;
for (Frame* frame = m_topDocument.frame(); frame && frame->window(); frame = frame->tree().traverseNext()) {
auto* localFrame = dynamicDowncast<LocalFrame>(frame);
if (!localFrame)
continue;
localFrame->window()->startListeningForDeviceOrientationIfNecessary();
localFrame->window()->startListeningForDeviceMotionIfNecessary();
}
});
}
} // namespace WebCore
#endif // ENABLE(DEVICE_ORIENTATION)
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