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/*
* Copyright (C) 2010-2022 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
#include "APIObject.h"
#include "DownloadID.h"
#include "IdentifierTypes.h"
#include "PolicyDecision.h"
#include "ShareableBitmap.h"
#include "TransactionID.h"
#include "WKBase.h"
#include "WebLocalFrameLoaderClient.h"
#include <JavaScriptCore/ConsoleTypes.h>
#include <JavaScriptCore/JSBase.h>
#include <WebCore/AdvancedPrivacyProtections.h>
#include <WebCore/FrameLoaderTypes.h>
#include <WebCore/HitTestRequest.h>
#include <WebCore/LayerHostingContextIdentifier.h>
#include <WebCore/LocalFrameLoaderClient.h>
#include <WebCore/ProcessIdentifier.h>
#include <wtf/Forward.h>
#include <wtf/HashMap.h>
#include <wtf/RefPtr.h>
#include <wtf/RetainPtr.h>
#include <wtf/WeakPtr.h>
namespace API {
class Array;
}
namespace WebCore {
class CertificateInfo;
class Frame;
class HTMLFrameOwnerElement;
class IntPoint;
class IntRect;
class LocalFrame;
class RemoteFrame;
struct GlobalWindowIdentifier;
}
namespace WebKit {
class InjectedBundleCSSStyleDeclarationHandle;
class InjectedBundleHitTestResult;
class InjectedBundleNodeHandle;
class InjectedBundleRangeHandle;
class InjectedBundleScriptWorld;
class WebImage;
class WebPage;
struct FrameInfoData;
struct FrameTreeNodeData;
struct WebsitePoliciesData;
class WebFrame : public API::ObjectImpl<API::Object::Type::BundleFrame>, public CanMakeWeakPtr<WebFrame> {
public:
static Ref<WebFrame> create(WebPage& page, WebCore::FrameIdentifier frameID) { return adoptRef(*new WebFrame(page, frameID)); }
static Ref<WebFrame> createSubframe(WebPage&, WebFrame& parent, const AtomString& frameName, WebCore::HTMLFrameOwnerElement&);
static Ref<WebFrame> createRemoteSubframe(WebPage&, WebFrame& parent, WebCore::FrameIdentifier);
~WebFrame();
void initWithCoreMainFrame(WebPage&, WebCore::Frame&, bool receivedMainFrameIdentifierFromUIProcess);
// Called when the FrameLoaderClient (and therefore the WebCore::Frame) is being torn down.
void invalidate();
ScopeExit<Function<void()>> makeInvalidator();
WebPage* page() const;
static WebFrame* fromCoreFrame(const WebCore::Frame&);
WebCore::LocalFrame* coreLocalFrame() const;
WebCore::RemoteFrame* coreRemoteFrame() const;
WebCore::Frame* coreFrame() const;
void transitionToLocal(std::optional<WebCore::LayerHostingContextIdentifier> = std::nullopt);
FrameInfoData info() const;
FrameTreeNodeData frameTreeData() const;
void getFrameInfo(CompletionHandler<void(FrameInfoData&&)>&&);
WebCore::FrameIdentifier frameID() const;
enum class ForNavigationAction : bool { No, Yes };
uint64_t setUpPolicyListener(WebCore::PolicyCheckIdentifier, WebCore::FramePolicyFunction&&, ForNavigationAction);
void invalidatePolicyListeners();
void didReceivePolicyDecision(uint64_t listenerID, WebCore::PolicyCheckIdentifier, PolicyDecision&&);
void didCommitLoadInAnotherProcess(std::optional<WebCore::LayerHostingContextIdentifier>);
void didFinishLoadInAnotherProcess();
void removeFromTree();
void startDownload(const WebCore::ResourceRequest&, const String& suggestedName = { });
void convertMainResourceLoadToDownload(WebCore::DocumentLoader*, const WebCore::ResourceRequest&, const WebCore::ResourceResponse&);
void addConsoleMessage(MessageSource, MessageLevel, const String&, uint64_t requestID = 0);
String source() const;
String contentsAsString() const;
String selectionAsString() const;
WebCore::IntSize size() const;
// WKBundleFrame API and SPI functions
bool isMainFrame() const;
bool isRootFrame() const;
String name() const;
URL url() const;
WebCore::CertificateInfo certificateInfo() const;
String innerText() const;
bool isFrameSet() const;
WebFrame* parentFrame() const;
Ref<API::Array> childFrames();
JSGlobalContextRef jsContext();
JSGlobalContextRef jsContextForWorld(WebCore::DOMWrapperWorld&);
JSGlobalContextRef jsContextForWorld(InjectedBundleScriptWorld*);
JSGlobalContextRef jsContextForServiceWorkerWorld(WebCore::DOMWrapperWorld&);
JSGlobalContextRef jsContextForServiceWorkerWorld(InjectedBundleScriptWorld*);
WebCore::IntRect contentBounds() const;
WebCore::IntRect visibleContentBounds() const;
WebCore::IntRect visibleContentBoundsExcludingScrollbars() const;
WebCore::IntSize scrollOffset() const;
bool hasHorizontalScrollbar() const;
bool hasVerticalScrollbar() const;
static constexpr OptionSet<WebCore::HitTestRequest::Type> defaultHitTestRequestTypes()
{
return {{
WebCore::HitTestRequest::Type::ReadOnly,
WebCore::HitTestRequest::Type::Active,
WebCore::HitTestRequest::Type::IgnoreClipping,
WebCore::HitTestRequest::Type::AllowChildFrameContent,
WebCore::HitTestRequest::Type::DisallowUserAgentShadowContent,
}};
}
RefPtr<InjectedBundleHitTestResult> hitTest(const WebCore::IntPoint, OptionSet<WebCore::HitTestRequest::Type> = defaultHitTestRequestTypes()) const;
bool getDocumentBackgroundColor(double* red, double* green, double* blue, double* alpha);
bool containsAnyFormElements() const;
bool containsAnyFormControls() const;
void stopLoading();
void setAccessibleName(const AtomString&);
static WebFrame* frameForContext(JSContextRef);
static WebFrame* contentFrameForWindowOrFrameElement(JSContextRef, JSValueRef);
JSValueRef jsWrapperForWorld(InjectedBundleCSSStyleDeclarationHandle*, InjectedBundleScriptWorld*);
JSValueRef jsWrapperForWorld(InjectedBundleNodeHandle*, InjectedBundleScriptWorld*);
JSValueRef jsWrapperForWorld(InjectedBundleRangeHandle*, InjectedBundleScriptWorld*);
static String counterValue(JSObjectRef element);
String layerTreeAsText() const;
unsigned pendingUnloadCount() const;
bool allowsFollowingLink(const URL&) const;
String provisionalURL() const;
String suggestedFilenameForResourceWithURL(const URL&) const;
String mimeTypeForResourceWithURL(const URL&) const;
void setTextDirection(const String&);
void updateRemoteFrameSize(WebCore::IntSize);
void documentLoaderDetached(uint64_t navigationID);
// Simple listener class used by plug-ins to know when frames finish or fail loading.
class LoadListener : public CanMakeWeakPtr<LoadListener> {
public:
virtual ~LoadListener() { }
virtual void didFinishLoad(WebFrame*) = 0;
virtual void didFailLoad(WebFrame*, bool wasCancelled) = 0;
};
void setLoadListener(LoadListener* loadListener) { m_loadListener = loadListener; }
LoadListener* loadListener() const { return m_loadListener.get(); }
#if PLATFORM(COCOA)
typedef bool (*FrameFilterFunction)(WKBundleFrameRef, WKBundleFrameRef subframe, void* context);
RetainPtr<CFDataRef> webArchiveData(FrameFilterFunction, void* context);
#endif
RefPtr<WebImage> createSelectionSnapshot() const;
#if PLATFORM(IOS_FAMILY)
TransactionID firstLayerTreeTransactionIDAfterDidCommitLoad() const { return m_firstLayerTreeTransactionIDAfterDidCommitLoad; }
void setFirstLayerTreeTransactionIDAfterDidCommitLoad(TransactionID transactionID) { m_firstLayerTreeTransactionIDAfterDidCommitLoad = transactionID; }
#endif
WebLocalFrameLoaderClient* frameLoaderClient() const;
#if ENABLE(APP_BOUND_DOMAINS)
bool shouldEnableInAppBrowserPrivacyProtections();
void setIsNavigatingToAppBoundDomain(std::optional<NavigatingToAppBoundDomain> isNavigatingToAppBoundDomain) { m_isNavigatingToAppBoundDomain = isNavigatingToAppBoundDomain; };
std::optional<NavigatingToAppBoundDomain> isNavigatingToAppBoundDomain() const { return m_isNavigatingToAppBoundDomain; }
std::optional<NavigatingToAppBoundDomain> isTopFrameNavigatingToAppBoundDomain() const;
#endif
Markable<WebCore::LayerHostingContextIdentifier> layerHostingContextIdentifier() { return m_layerHostingContextIdentifier; }
OptionSet<WebCore::AdvancedPrivacyProtections> advancedPrivacyProtections() const;
OptionSet<WebCore::AdvancedPrivacyProtections> originatorAdvancedPrivacyProtections() const;
private:
WebFrame(WebPage&, WebCore::FrameIdentifier);
void setLayerHostingContextIdentifier(WebCore::LayerHostingContextIdentifier identifier) { m_layerHostingContextIdentifier = identifier; }
inline WebCore::DocumentLoader* policySourceDocumentLoader() const;
WeakPtr<WebCore::Frame> m_coreFrame;
WeakPtr<WebPage> m_page;
struct PolicyCheck {
WebCore::PolicyCheckIdentifier corePolicyIdentifier;
ForNavigationAction forNavigationAction { ForNavigationAction::No };
WebCore::FramePolicyFunction policyFunction;
};
HashMap<uint64_t, PolicyCheck> m_pendingPolicyChecks;
std::optional<DownloadID> m_policyDownloadID;
WeakPtr<LoadListener> m_loadListener;
const WebCore::FrameIdentifier m_frameID;
#if PLATFORM(IOS_FAMILY)
TransactionID m_firstLayerTreeTransactionIDAfterDidCommitLoad;
#endif
std::optional<NavigatingToAppBoundDomain> m_isNavigatingToAppBoundDomain;
Markable<WebCore::LayerHostingContextIdentifier> m_layerHostingContextIdentifier;
};
} // namespace WebKit
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