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/*
* Copyright (C) 2018 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.
*/
#pragma once
#if USE(SYSTEM_PREVIEW)
#include "ProcessThrottler.h"
#include <WebCore/FrameLoaderTypes.h>
#include <WebCore/IntRect.h>
#include <WebCore/ResourceError.h>
#include <wtf/BlockPtr.h>
#include <wtf/RefCountedAndCanMakeWeakPtr.h>
#include <wtf/RetainPtr.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/URL.h>
#include <wtf/WeakPtr.h>
OBJC_CLASS NSArray;
OBJC_CLASS NSString;
#if USE(QUICK_LOOK)
OBJC_CLASS QLPreviewController;
OBJC_CLASS _WKPreviewControllerDataSource;
OBJC_CLASS _WKPreviewControllerDelegate;
OBJC_CLASS _WKSystemPreviewDataTaskDelegate;
#endif
namespace WebCore {
class SecurityOriginData;
}
namespace WebKit {
class WebPageProxy;
class SystemPreviewController : public RefCountedAndCanMakeWeakPtr<SystemPreviewController> {
WTF_MAKE_TZONE_ALLOCATED(SystemPreviewController);
public:
static Ref<SystemPreviewController> create(WebPageProxy&);
bool canPreview(const String& mimeType) const;
void begin(const URL&, const WebCore::SecurityOriginData& topOrigin, const WebCore::SystemPreviewInfo&, CompletionHandler<void()>&&);
void updateProgress(float);
void loadStarted(const URL& localFileURL);
void loadCompleted(const URL& localFileURL);
void loadFailed();
void end();
WebPageProxy* page() { return m_webPageProxy.get(); }
const WebCore::SystemPreviewInfo& previewInfo() const { return m_systemPreviewInfo; }
void triggerSystemPreviewAction();
void triggerSystemPreviewActionWithTargetForTesting(uint64_t elementID, NSString* documentID, uint64_t pageID);
void setCompletionHandlerForLoadTesting(CompletionHandler<void(bool)>&&);
private:
explicit SystemPreviewController(WebPageProxy&);
void takeActivityToken();
void releaseActivityTokenIfNecessary();
NSArray *localFileURLs() const;
enum class State : uint8_t {
Initial,
Began,
Loading,
Viewing
};
State m_state { State::Initial };
WeakPtr<WebPageProxy> m_webPageProxy;
WebCore::SystemPreviewInfo m_systemPreviewInfo;
URL m_downloadURL;
URL m_localFileURL;
String m_fragmentIdentifier;
#if USE(QUICK_LOOK)
RetainPtr<QLPreviewController> m_qlPreviewController;
RetainPtr<_WKPreviewControllerDelegate> m_qlPreviewControllerDelegate;
RetainPtr<_WKPreviewControllerDataSource> m_qlPreviewControllerDataSource;
RetainPtr<_WKSystemPreviewDataTaskDelegate> m_wkSystemPreviewDataTaskDelegate;
#endif
RefPtr<ProcessThrottler::BackgroundActivity> m_activity;
CompletionHandler<void(bool)> m_testingCallback;
BlockPtr<void(bool)> m_allowPreviewCallback;
double m_showPreviewDelay { 0 };
};
}
#endif
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