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WebFrame.cpp
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1408 lines (1156 loc) · 45.2 KB
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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.
*/
#include "config.h"
#include "WebFrame.h"
#include "APIArray.h"
#include "DownloadManager.h"
#include "DrawingArea.h"
#include "FrameInfoData.h"
#include "FrameTreeNodeData.h"
#include "InjectedBundleCSSStyleDeclarationHandle.h"
#include "InjectedBundleHitTestResult.h"
#include "InjectedBundleNodeHandle.h"
#include "InjectedBundleRangeHandle.h"
#include "InjectedBundleScriptWorld.h"
#include "MessageSenderInlines.h"
#include "NetworkConnectionToWebProcessMessages.h"
#include "NetworkProcessConnection.h"
#include "PluginView.h"
#include "ProvisionalFrameCreationParameters.h"
#include "WKAPICast.h"
#include "WKBundleAPICast.h"
#include "WebChromeClient.h"
#include "WebContextMenu.h"
#include "WebCoreArgumentCoders.h"
#include "WebEventConversion.h"
#include "WebEventFactory.h"
#include "WebImage.h"
#include "WebPage.h"
#include "WebPageProxyMessages.h"
#include "WebProcess.h"
#include "WebRemoteFrameClient.h"
#include "WebsitePoliciesData.h"
#include <JavaScriptCore/APICast.h>
#include <JavaScriptCore/JSContextRef.h>
#include <JavaScriptCore/JSGlobalObjectInlines.h>
#include <JavaScriptCore/JSLock.h>
#include <JavaScriptCore/JSValueRef.h>
#include <WebCore/ArchiveResource.h>
#include <WebCore/CertificateInfo.h>
#include <WebCore/Chrome.h>
#include <WebCore/ContextMenuController.h>
#include <WebCore/DocumentLoader.h>
#include <WebCore/Editor.h>
#include <WebCore/ElementChildIteratorInlines.h>
#include <WebCore/EventHandler.h>
#include <WebCore/File.h>
#include <WebCore/FocusController.h>
#include <WebCore/FrameSnapshotting.h>
#include <WebCore/HTMLFormElement.h>
#include <WebCore/HTMLFrameOwnerElement.h>
#include <WebCore/HTMLInputElement.h>
#include <WebCore/HTMLNames.h>
#include <WebCore/HTMLSelectElement.h>
#include <WebCore/HTMLTextAreaElement.h>
#include <WebCore/HandleUserInputEventResult.h>
#include <WebCore/ImageBuffer.h>
#include <WebCore/JSCSSStyleDeclaration.h>
#include <WebCore/JSElement.h>
#include <WebCore/JSFile.h>
#include <WebCore/JSRange.h>
#include <WebCore/LocalFrame.h>
#include <WebCore/LocalFrameView.h>
#include <WebCore/OriginAccessPatterns.h>
#include <WebCore/Page.h>
#include <WebCore/PluginDocument.h>
#include <WebCore/RemoteDOMWindow.h>
#include <WebCore/RemoteFrame.h>
#include <WebCore/RemoteFrameView.h>
#include <WebCore/RemoteUserInputEventData.h>
#include <WebCore/RenderLayerCompositor.h>
#include <WebCore/RenderTreeAsText.h>
#include <WebCore/RenderView.h>
#include <WebCore/ScriptController.h>
#include <WebCore/SecurityOrigin.h>
#include <WebCore/SubresourceLoader.h>
#include <WebCore/TextIterator.h>
#include <WebCore/TextResourceDecoder.h>
#include <wtf/text/StringBuilder.h>
#if PLATFORM(COCOA)
#include <WebCore/LegacyWebArchive.h>
#endif
#ifndef NDEBUG
#include <wtf/RefCountedLeakCounter.h>
#endif
namespace WebKit {
using namespace JSC;
using namespace WebCore;
DEFINE_DEBUG_ONLY_GLOBAL(WTF::RefCountedLeakCounter, webFrameCounter, ("WebFrame"));
static uint64_t generateListenerID()
{
static uint64_t uniqueListenerID = 1;
return uniqueListenerID++;
}
// FIXME: Remove receivedMainFrameIdentifierFromUIProcess in favor of a more correct way of sending frame tree deltas to each process. <rdar://116201135>
void WebFrame::initWithCoreMainFrame(WebPage& page, Frame& coreFrame, bool receivedMainFrameIdentifierFromUIProcess)
{
if (!receivedMainFrameIdentifierFromUIProcess)
page.send(Messages::WebPageProxy::DidCreateMainFrame(frameID()));
m_coreFrame = coreFrame;
m_coreFrame->tree().setSpecifiedName(nullAtom());
if (auto* localFrame = dynamicDowncast<LocalFrame>(coreFrame))
localFrame->init();
}
Ref<WebFrame> WebFrame::createSubframe(WebPage& page, WebFrame& parent, const AtomString& frameName, HTMLFrameOwnerElement& ownerElement)
{
auto frameID = WebCore::FrameIdentifier::generate();
auto frame = create(page, frameID);
ASSERT(page.corePage());
auto coreFrame = LocalFrame::createSubframe(*page.corePage(), [frame] (auto& localFrame) {
return makeUniqueRef<WebLocalFrameLoaderClient>(localFrame, frame.get(), frame->makeInvalidator());
}, frameID, ownerElement);
frame->m_coreFrame = coreFrame.get();
page.send(Messages::WebPageProxy::DidCreateSubframe(parent.frameID(), coreFrame->frameID(), frameName));
coreFrame->tree().setSpecifiedName(frameName);
ASSERT(ownerElement.document().frame());
coreFrame->init();
return frame;
}
Ref<WebFrame> WebFrame::createRemoteSubframe(WebPage& page, WebFrame& parent, WebCore::FrameIdentifier frameID, const String& frameName)
{
auto frame = create(page, frameID);
RELEASE_ASSERT(page.corePage());
RELEASE_ASSERT(parent.coreFrame());
auto coreFrame = RemoteFrame::createSubframe(*page.corePage(), [frame] (auto&) {
return makeUniqueRef<WebRemoteFrameClient>(frame.copyRef(), frame->makeInvalidator());
}, frameID, *parent.coreFrame());
frame->m_coreFrame = coreFrame.get();
coreFrame->tree().setSpecifiedName(AtomString(frameName));
return frame;
}
WebFrame::WebFrame(WebPage& page, WebCore::FrameIdentifier frameID)
: m_page(page)
, m_frameID(frameID)
{
#ifndef NDEBUG
webFrameCounter.increment();
#endif
ASSERT(!WebProcess::singleton().webFrame(m_frameID));
WebProcess::singleton().addWebFrame(m_frameID, this);
}
WebLocalFrameLoaderClient* WebFrame::localFrameLoaderClient() const
{
if (auto* localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get()))
return toWebLocalFrameLoaderClient(localFrame->loader().client());
return nullptr;
}
WebRemoteFrameClient* WebFrame::remoteFrameClient() const
{
if (auto* remoteFrame = dynamicDowncast<RemoteFrame>(m_coreFrame.get()))
return static_cast<WebRemoteFrameClient*>(&remoteFrame->client());
return nullptr;
}
WebFrameLoaderClient* WebFrame::frameLoaderClient() const
{
if (auto* localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get()))
return toWebLocalFrameLoaderClient(localFrame->loader().client());
if (auto* remoteFrame = dynamicDowncast<RemoteFrame>(m_coreFrame.get()))
return static_cast<WebRemoteFrameClient*>(&remoteFrame->client());
return nullptr;
}
WebFrame::~WebFrame()
{
ASSERT(!m_coreFrame);
ASSERT_WITH_MESSAGE(!WebProcess::singleton().webFrame(m_frameID), "invalidate should have removed this WebFrame before destruction");
#ifndef NDEBUG
webFrameCounter.decrement();
#endif
}
WebPage* WebFrame::page() const
{
if (!m_coreFrame)
return nullptr;
auto* page = m_coreFrame->page();
return page ? WebPage::fromCorePage(*page) : nullptr;
}
RefPtr<WebPage> WebFrame::protectedPage() const
{
return page();
}
RefPtr<WebFrame> WebFrame::fromCoreFrame(const Frame& frame)
{
if (auto* localFrame = dynamicDowncast<LocalFrame>(frame)) {
auto* webLocalFrameLoaderClient = toWebLocalFrameLoaderClient(localFrame->loader().client());
if (!webLocalFrameLoaderClient)
return nullptr;
return &webLocalFrameLoaderClient->webFrame();
}
if (auto* remoteFrame = dynamicDowncast<RemoteFrame>(frame)) {
auto& client = static_cast<const WebRemoteFrameClient&>(remoteFrame->client());
return &client.webFrame();
}
return nullptr;
}
WebCore::LocalFrame* WebFrame::coreLocalFrame() const
{
return dynamicDowncast<LocalFrame>(m_coreFrame.get());
}
RefPtr<WebCore::LocalFrame> WebFrame::protectedCoreLocalFrame() const
{
return coreLocalFrame();
}
WebCore::RemoteFrame* WebFrame::coreRemoteFrame() const
{
return dynamicDowncast<RemoteFrame>(m_coreFrame.get());
}
WebCore::Frame* WebFrame::coreFrame() const
{
return m_coreFrame.get();
}
FrameInfoData WebFrame::info() const
{
RefPtr parent = parentFrame();
FrameInfoData info {
isMainFrame(),
is<WebCore::LocalFrame>(coreFrame()) ? FrameType::Local : FrameType::Remote,
// FIXME: This should use the full request.
ResourceRequest(url()),
SecurityOriginData::fromFrame(dynamicDowncast<LocalFrame>(m_coreFrame.get())),
m_coreFrame ? m_coreFrame->tree().specifiedName().string() : String(),
frameID(),
parent ? std::optional<WebCore::FrameIdentifier> { parent->frameID() } : std::nullopt,
getCurrentProcessID(),
isFocused(),
coreLocalFrame() ? coreLocalFrame()->loader().errorOccurredInLoading() : false
};
return info;
}
FrameTreeNodeData WebFrame::frameTreeData() const
{
FrameTreeNodeData data {
info(),
{ }
};
if (!m_coreFrame) {
ASSERT_NOT_REACHED();
return data;
}
data.children.reserveInitialCapacity(m_coreFrame->tree().childCount());
for (auto* child = m_coreFrame->tree().firstChild(); child; child = child->tree().nextSibling()) {
RefPtr childWebFrame = WebFrame::fromCoreFrame(*child);
if (!childWebFrame) {
ASSERT_NOT_REACHED();
continue;
}
data.children.append(childWebFrame->frameTreeData());
}
return data;
}
void WebFrame::getFrameInfo(CompletionHandler<void(FrameInfoData&&)>&& completionHandler)
{
completionHandler(info());
}
WebCore::FrameIdentifier WebFrame::frameID() const
{
ASSERT(m_frameID);
return m_frameID;
}
void WebFrame::invalidate()
{
ASSERT(!WebProcess::singleton().webFrame(m_frameID) || WebProcess::singleton().webFrame(m_frameID) == this);
WebProcess::singleton().removeWebFrame(frameID(), m_page ? std::optional<WebPageProxyIdentifier>(m_page->webPageProxyIdentifier()) : std::nullopt);
m_coreFrame = nullptr;
}
ScopeExit<Function<void()>> WebFrame::makeInvalidator()
{
return makeScopeExit<Function<void()>>([protectedThis = Ref { *this }] {
protectedThis->invalidate();
});
}
uint64_t WebFrame::setUpPolicyListener(WebCore::FramePolicyFunction&& policyFunction, ForNavigationAction forNavigationAction)
{
auto policyListenerID = generateListenerID();
m_pendingPolicyChecks.add(policyListenerID, PolicyCheck {
forNavigationAction,
WTFMove(policyFunction)
});
return policyListenerID;
}
void WebFrame::loadDidCommitInAnotherProcess(std::optional<WebCore::LayerHostingContextIdentifier> layerHostingContextIdentifier)
{
RefPtr localFrame = coreLocalFrame();
if (!localFrame) {
ASSERT_NOT_REACHED();
return;
}
auto* corePage = localFrame->page();
if (!corePage) {
ASSERT_NOT_REACHED();
return;
}
RefPtr parent = localFrame->tree().parent();
RefPtr ownerElement = localFrame->ownerElement();
auto* frameLoaderClient = this->localFrameLoaderClient();
if (!frameLoaderClient) {
ASSERT_NOT_REACHED();
return;
}
auto invalidator = frameLoaderClient->takeFrameInvalidator();
auto* ownerRenderer = localFrame->ownerRenderer();
localFrame->setView(nullptr);
if (parent)
parent->tree().removeChild(*localFrame);
if (ownerElement)
localFrame->disconnectOwnerElement();
auto clientCreator = [protectedThis = Ref { *this }, invalidator = WTFMove(invalidator)] (auto&) mutable {
return makeUniqueRef<WebRemoteFrameClient>(WTFMove(protectedThis), WTFMove(invalidator));
};
auto newFrame = ownerElement
? WebCore::RemoteFrame::createSubframeWithContentsInAnotherProcess(*corePage, WTFMove(clientCreator), m_frameID, *ownerElement, layerHostingContextIdentifier)
: parent ? WebCore::RemoteFrame::createSubframe(*corePage, WTFMove(clientCreator), m_frameID, *parent) : WebCore::RemoteFrame::createMainFrame(*corePage, WTFMove(clientCreator), m_frameID, localFrame->opener());
if (!parent)
corePage->setMainFrame(newFrame.copyRef());
newFrame->takeWindowProxyFrom(*localFrame);
newFrame->setOpener(localFrame->opener());
for (auto& frame : localFrame->openedFrames())
frame->setOpener(newFrame.ptr());
newFrame->tree().setSpecifiedName(localFrame->tree().specifiedName());
if (ownerRenderer)
ownerRenderer->setWidget(newFrame->view());
m_coreFrame = newFrame.get();
if (corePage->focusController().focusedFrame() == localFrame.get())
corePage->focusController().setFocusedFrame(newFrame.ptr(), FocusController::BroadcastFocusedFrame::No);
localFrame->loader().detachFromParent();
if (ownerElement)
ownerElement->scheduleInvalidateStyleAndLayerComposition();
}
void WebFrame::createProvisionalFrame(ProvisionalFrameCreationParameters&& parameters)
{
RefPtr remoteFrame = coreRemoteFrame();
if (!remoteFrame) {
ASSERT_NOT_REACHED();
return;
}
auto* corePage = remoteFrame->page();
if (!corePage) {
ASSERT_NOT_REACHED();
return;
}
RefPtr parent = remoteFrame->tree().parent();
auto clientCreator = [this, protectedThis = Ref { *this }] (auto& localFrame) mutable {
return makeUniqueRef<WebLocalFrameLoaderClient>(localFrame, WTFMove(protectedThis), makeInvalidator());
};
auto localFrame = parent ? LocalFrame::createProvisionalSubframe(*corePage, WTFMove(clientCreator), m_frameID, *parent) : LocalFrame::createMainFrame(*corePage, WTFMove(clientCreator), m_frameID, remoteFrame->opener());
m_provisionalFrame = localFrame.ptr();
localFrame->init();
if (parameters.layerHostingContextIdentifier)
setLayerHostingContextIdentifier(*parameters.layerHostingContextIdentifier);
}
void WebFrame::destroyProvisionalFrame()
{
if (RefPtr frame = std::exchange(m_provisionalFrame, nullptr)) {
if (auto* client = toWebLocalFrameLoaderClient(frame->loader().client()))
client->takeFrameInvalidator().release();
if (RefPtr parent = frame->tree().parent())
parent->tree().removeChild(*frame);
frame->loader().detachFromParent();
frame->setView(nullptr);
}
}
void WebFrame::commitProvisionalFrame()
{
RefPtr localFrame = std::exchange(m_provisionalFrame, nullptr);
if (!localFrame)
return;
RefPtr remoteFrame = coreRemoteFrame();
if (!remoteFrame) {
ASSERT_NOT_REACHED();
return;
}
auto* corePage = remoteFrame->page();
if (!corePage) {
ASSERT_NOT_REACHED();
return;
}
RefPtr parent = remoteFrame->tree().parent();
RefPtr ownerElement = remoteFrame->ownerElement();
auto* ownerRenderer = remoteFrame->ownerRenderer();
if (parent)
parent->tree().removeChild(*remoteFrame);
remoteFrame->disconnectOwnerElement();
static_cast<WebRemoteFrameClient&>(remoteFrame->client()).takeFrameInvalidator().release();
m_coreFrame = localFrame.get();
remoteFrame->setView(nullptr);
localFrame->tree().setSpecifiedName(remoteFrame->tree().specifiedName());
if (ownerRenderer)
ownerRenderer->setWidget(localFrame->view());
localFrame->setOwnerElement(ownerElement.get());
if (remoteFrame->isMainFrame())
corePage->setMainFrame(*localFrame);
localFrame->takeWindowProxyFrom(*remoteFrame);
localFrame->setOpener(remoteFrame->opener());
for (auto& frame : remoteFrame->openedFrames())
frame->setOpener(localFrame.get());
if (corePage->focusController().focusedFrame() == remoteFrame.get())
corePage->focusController().setFocusedFrame(localFrame.get(), FocusController::BroadcastFocusedFrame::No);
if (ownerElement)
ownerElement->scheduleInvalidateStyleAndLayerComposition();
}
void WebFrame::removeFromTree()
{
RefPtr coreFrame = m_coreFrame.get();
if (!coreFrame) {
ASSERT_NOT_REACHED();
return;
}
RefPtr webPage = m_page.get();
if (!webPage) {
ASSERT_NOT_REACHED();
return;
}
auto* corePage = webPage->corePage();
if (!corePage) {
ASSERT_NOT_REACHED();
return;
}
if (RefPtr parent = coreFrame->tree().parent())
parent->tree().removeChild(*coreFrame);
coreFrame->disconnectView();
}
void WebFrame::didFinishLoadInAnotherProcess()
{
if (m_coreFrame)
m_coreFrame->didFinishLoadInAnotherProcess();
}
void WebFrame::invalidatePolicyListeners()
{
Ref protectedThis { *this };
m_policyDownloadID = { };
auto pendingPolicyChecks = std::exchange(m_pendingPolicyChecks, { });
for (auto& policyCheck : pendingPolicyChecks.values())
policyCheck.policyFunction(PolicyAction::Ignore);
}
void WebFrame::didReceivePolicyDecision(uint64_t listenerID, PolicyDecision&& policyDecision)
{
if (m_page) {
#if ENABLE(APP_BOUND_DOMAINS)
m_page->setIsNavigatingToAppBoundDomain(policyDecision.isNavigatingToAppBoundDomain, Ref { *this });
#endif
if (auto& message = policyDecision.consoleMessage)
m_page->addConsoleMessage(m_frameID, message->messageSource, message->messageLevel, message->message);
}
if (!m_coreFrame)
return;
auto policyCheck = m_pendingPolicyChecks.take(listenerID);
if (!policyCheck.policyFunction)
return;
FramePolicyFunction function = WTFMove(policyCheck.policyFunction);
bool forNavigationAction = policyCheck.forNavigationAction == ForNavigationAction::Yes;
if (forNavigationAction && localFrameLoaderClient() && policyDecision.websitePoliciesData) {
ASSERT(page());
if (page())
page()->setAllowsContentJavaScriptFromMostRecentNavigation(policyDecision.websitePoliciesData->allowsContentJavaScript);
localFrameLoaderClient()->applyWebsitePolicies(WTFMove(*policyDecision.websitePoliciesData));
}
m_policyDownloadID = policyDecision.downloadID;
if (policyDecision.navigationID) {
auto* localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (RefPtr documentLoader = localFrame ? localFrame->loader().policyDocumentLoader() : nullptr)
documentLoader->setNavigationID(policyDecision.navigationID);
}
if (policyDecision.policyAction == PolicyAction::Use && policyDecision.sandboxExtensionHandle) {
if (auto* page = this->page()) {
Ref mainWebFrame = page->mainWebFrame();
page->sandboxExtensionTracker().beginLoad(WTFMove(*(policyDecision.sandboxExtensionHandle)));
}
}
function(policyDecision.policyAction);
}
void WebFrame::startDownload(const WebCore::ResourceRequest& request, const String& suggestedName)
{
if (!m_policyDownloadID) {
ASSERT_NOT_REACHED();
return;
}
auto* localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
auto topOrigin = localFrame && localFrame->document() ? std::optional { localFrame->document()->topOrigin().data() } : std::nullopt;
auto policyDownloadID = *std::exchange(m_policyDownloadID, std::nullopt);
std::optional<NavigatingToAppBoundDomain> isAppBound = NavigatingToAppBoundDomain::No;
isAppBound = m_isNavigatingToAppBoundDomain;
WebProcess::singleton().ensureNetworkProcessConnection().connection().send(Messages::NetworkConnectionToWebProcess::StartDownload(policyDownloadID, request, topOrigin, isAppBound, suggestedName), 0);
}
void WebFrame::convertMainResourceLoadToDownload(DocumentLoader* documentLoader, const ResourceRequest& request, const ResourceResponse& response)
{
if (!m_policyDownloadID) {
ASSERT_NOT_REACHED();
return;
}
auto* localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
auto topOrigin = localFrame && localFrame->document() ? std::optional { localFrame->document()->topOrigin().data() } : std::nullopt;
auto policyDownloadID = *std::exchange(m_policyDownloadID, std::nullopt);
SubresourceLoader* mainResourceLoader = documentLoader->mainResourceLoader();
auto& webProcess = WebProcess::singleton();
// Use std::nullopt to indicate that the resource load can't be converted and a new download must be started.
// This can happen if there is no loader because the main resource is in the WebCore memory cache,
// or because the conversion was attempted when not calling SubresourceLoader::didReceiveResponse().
std::optional<WebCore::ResourceLoaderIdentifier> mainResourceLoadIdentifier;
if (mainResourceLoader)
mainResourceLoadIdentifier = mainResourceLoader->identifier();
std::optional<NavigatingToAppBoundDomain> isAppBound = NavigatingToAppBoundDomain::No;
isAppBound = m_isNavigatingToAppBoundDomain;
webProcess.ensureNetworkProcessConnection().connection().send(Messages::NetworkConnectionToWebProcess::ConvertMainResourceLoadToDownload(mainResourceLoadIdentifier, policyDownloadID, request, topOrigin, response, isAppBound), 0);
}
void WebFrame::addConsoleMessage(MessageSource messageSource, MessageLevel messageLevel, const String& message, uint64_t requestID)
{
auto* localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (!localFrame)
return;
if (auto* document = localFrame->document())
document->addConsoleMessage(messageSource, messageLevel, message, requestID);
}
String WebFrame::source() const
{
RefPtr localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (!localFrame)
return String();
RefPtr document = localFrame->document();
if (!document)
return String();
TextResourceDecoder* decoder = document->decoder();
if (!decoder)
return String();
RefPtr documentLoader = localFrame->loader().activeDocumentLoader();
if (!documentLoader)
return String();
RefPtr<FragmentedSharedBuffer> mainResourceData = documentLoader->mainResourceData();
if (!mainResourceData)
return String();
return decoder->encoding().decode(mainResourceData->makeContiguous()->span());
}
String WebFrame::contentsAsString() const
{
RefPtr localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (!localFrame)
return String();
if (isFrameSet()) {
StringBuilder builder;
for (RefPtr child = m_coreFrame->tree().firstChild(); child; child = child->tree().nextSibling()) {
if (!builder.isEmpty())
builder.append(' ');
RefPtr webFrame = WebFrame::fromCoreFrame(*child);
ASSERT(webFrame);
if (!webFrame)
continue;
builder.append(webFrame->contentsAsString());
}
// FIXME: It may make sense to use toStringPreserveCapacity() here.
return builder.toString();
}
RefPtr document = localFrame->document();
if (!document)
return String();
RefPtr documentElement = document->documentElement();
if (!documentElement)
return String();
return plainText(makeRangeSelectingNodeContents(*documentElement));
}
String WebFrame::selectionAsString() const
{
RefPtr localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (!localFrame)
return String();
return localFrame->displayStringModifiedByEncoding(localFrame->editor().selectedText());
}
IntSize WebFrame::size() const
{
if (!m_coreFrame)
return IntSize();
RefPtr frameView = m_coreFrame->virtualView();
if (!frameView)
return IntSize();
return frameView->contentsSize();
}
bool WebFrame::isFrameSet() const
{
RefPtr localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (!localFrame)
return false;
RefPtr document = localFrame->document();
if (!document)
return false;
return document->isFrameSet();
}
bool WebFrame::isMainFrame() const
{
return m_coreFrame && m_coreFrame->isMainFrame();
}
bool WebFrame::isRootFrame() const
{
return m_coreFrame && m_coreFrame->isRootFrame();
}
String WebFrame::name() const
{
if (!m_coreFrame)
return String();
return m_coreFrame->tree().uniqueName();
}
URL WebFrame::url() const
{
RefPtr localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (!localFrame)
return { };
RefPtr documentLoader = localFrame->loader().documentLoader();
if (!documentLoader)
return { };
return documentLoader->url();
}
CertificateInfo WebFrame::certificateInfo() const
{
RefPtr localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (!localFrame)
return { };
RefPtr documentLoader = localFrame->loader().documentLoader();
if (!documentLoader)
return { };
return valueOrCompute(documentLoader->response().certificateInfo(), [] { return CertificateInfo(); });
}
String WebFrame::innerText() const
{
RefPtr localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (!localFrame)
return String();
if (!localFrame->document()->documentElement())
return String();
return localFrame->document()->documentElement()->innerText();
}
RefPtr<WebFrame> WebFrame::parentFrame() const
{
RefPtr frame = m_coreFrame.get();
if (!frame)
return nullptr;
RefPtr parentFrame = frame->tree().parent();
if (!parentFrame)
return nullptr;
return WebFrame::fromCoreFrame(*parentFrame);
}
Ref<API::Array> WebFrame::childFrames()
{
if (!m_coreFrame)
return API::Array::create();
size_t size = m_coreFrame->tree().childCount();
if (!size)
return API::Array::create();
Vector<RefPtr<API::Object>> vector;
vector.reserveInitialCapacity(size);
for (RefPtr child = m_coreFrame->tree().firstChild(); child; child = child->tree().nextSibling()) {
RefPtr webFrame = WebFrame::fromCoreFrame(*child);
ASSERT(webFrame);
if (!webFrame)
continue;
vector.append(webFrame);
}
return API::Array::create(WTFMove(vector));
}
String WebFrame::layerTreeAsText() const
{
RefPtr localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (!localFrame)
return emptyString();
return localFrame->contentRenderer()->compositor().layerTreeAsText();
}
unsigned WebFrame::pendingUnloadCount() const
{
RefPtr localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (!localFrame)
return 0;
return localFrame->document()->domWindow()->pendingUnloadEventListeners();
}
bool WebFrame::allowsFollowingLink(const URL& url) const
{
RefPtr localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (!localFrame)
return true;
return localFrame->document()->securityOrigin().canDisplay(url, WebCore::OriginAccessPatternsForWebProcess::singleton());
}
JSGlobalContextRef WebFrame::jsContext()
{
RefPtr localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (!localFrame)
return nullptr;
return toGlobalRef(localFrame->script().globalObject(mainThreadNormalWorld()));
}
JSGlobalContextRef WebFrame::jsContextForWorld(DOMWrapperWorld& world)
{
RefPtr localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (!localFrame)
return nullptr;
return toGlobalRef(localFrame->script().globalObject(world));
}
JSGlobalContextRef WebFrame::jsContextForWorld(InjectedBundleScriptWorld* world)
{
return jsContextForWorld(world->coreWorld());
}
JSGlobalContextRef WebFrame::jsContextForServiceWorkerWorld(DOMWrapperWorld& world)
{
if (!m_coreFrame || !m_coreFrame->page())
return nullptr;
return toGlobalRef(m_coreFrame->page()->serviceWorkerGlobalObject(world));
}
JSGlobalContextRef WebFrame::jsContextForServiceWorkerWorld(InjectedBundleScriptWorld* world)
{
return jsContextForServiceWorkerWorld(world->coreWorld());
}
void WebFrame::setAccessibleName(const AtomString& accessibleName)
{
if (!AXObjectCache::accessibilityEnabled())
return;
RefPtr localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (!localFrame)
return;
RefPtr document = localFrame->document();
if (!document)
return;
RefPtr rootObject = document->axObjectCache()->rootObject();
if (!rootObject)
return;
rootObject->setAccessibleName(accessibleName);
}
IntRect WebFrame::contentBounds() const
{
if (!m_coreFrame)
return IntRect();
RefPtr view = m_coreFrame->virtualView();
if (!view)
return IntRect();
return IntRect(0, 0, view->contentsWidth(), view->contentsHeight());
}
IntRect WebFrame::visibleContentBounds() const
{
if (!m_coreFrame)
return IntRect();
RefPtr view = m_coreFrame->virtualView();
if (!view)
return IntRect();
IntRect contentRect = view->visibleContentRectIncludingScrollbars();
return IntRect(0, 0, contentRect.width(), contentRect.height());
}
IntRect WebFrame::visibleContentBoundsExcludingScrollbars() const
{
RefPtr localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (!localFrame)
return IntRect();
RefPtr view = localFrame->view();
if (!view)
return IntRect();
IntRect contentRect = view->visibleContentRect();
return IntRect(0, 0, contentRect.width(), contentRect.height());
}
IntSize WebFrame::scrollOffset() const
{
if (!m_coreFrame)
return IntSize();
RefPtr view = m_coreFrame->virtualView();
if (!view)
return IntSize();
return toIntSize(view->scrollPosition());
}
bool WebFrame::hasHorizontalScrollbar() const
{
RefPtr localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (!localFrame)
return false;
RefPtr view = localFrame->view();
if (!view)
return false;
return view->horizontalScrollbar();
}
bool WebFrame::hasVerticalScrollbar() const
{
if (!m_coreFrame)
return false;
RefPtr view = m_coreFrame->virtualView();
if (!view)
return false;
return view->verticalScrollbar();
}
RefPtr<InjectedBundleHitTestResult> WebFrame::hitTest(const IntPoint point, OptionSet<HitTestRequest::Type> types) const
{
RefPtr localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (!localFrame)
return nullptr;
return InjectedBundleHitTestResult::create(localFrame->eventHandler().hitTestResultAtPoint(point, types));
}
bool WebFrame::getDocumentBackgroundColor(double* red, double* green, double* blue, double* alpha)
{
RefPtr localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (!localFrame)
return false;
RefPtr view = localFrame->view();
if (!view)
return false;
Color bgColor = view->documentBackgroundColor();
if (!bgColor.isValid())
return false;
auto [r, g, b, a] = bgColor.toColorTypeLossy<SRGBA<float>>().resolved();
*red = r;
*green = g;
*blue = b;
*alpha = a;
return true;
}
bool WebFrame::containsAnyFormElements() const
{
RefPtr localFrame = dynamicDowncast<LocalFrame>(m_coreFrame.get());
if (!localFrame)
return false;