diff options
Diffstat (limited to 'dom/ipc/BrowserBridgeChild.cpp')
| -rw-r--r-- | dom/ipc/BrowserBridgeChild.cpp | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/dom/ipc/BrowserBridgeChild.cpp b/dom/ipc/BrowserBridgeChild.cpp new file mode 100644 index 0000000000..7689f2c1a1 --- /dev/null +++ b/dom/ipc/BrowserBridgeChild.cpp @@ -0,0 +1,264 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifdef ACCESSIBILITY +# include "mozilla/a11y/DocAccessible.h" +# include "mozilla/a11y/DocManager.h" +# include "mozilla/a11y/OuterDocAccessible.h" +#endif +#include "mozilla/dom/BrowserBridgeChild.h" +#include "mozilla/dom/BrowserBridgeHost.h" +#include "mozilla/dom/BrowsingContext.h" +#include "mozilla/dom/MozFrameLoaderOwnerBinding.h" +#include "mozilla/PresShell.h" +#include "nsFocusManager.h" +#include "nsFrameLoader.h" +#include "nsFrameLoaderOwner.h" +#include "nsObjectLoadingContent.h" +#include "nsQueryObject.h" +#include "nsSubDocumentFrame.h" +#include "nsView.h" + +using namespace mozilla::ipc; + +mozilla::LazyLogModule gBrowserChildFocusLog("BrowserChildFocus"); + +#define LOGBROWSERCHILDFOCUS(args) \ + MOZ_LOG(gBrowserChildFocusLog, mozilla::LogLevel::Debug, args) + +namespace mozilla::dom { + +BrowserBridgeChild::BrowserBridgeChild(BrowsingContext* aBrowsingContext, + TabId aId, const LayersId& aLayersId) + : mId{aId}, mLayersId{aLayersId}, mBrowsingContext(aBrowsingContext) {} + +BrowserBridgeChild::~BrowserBridgeChild() {} + +already_AddRefed<BrowserBridgeHost> BrowserBridgeChild::FinishInit( + nsFrameLoader* aFrameLoader) { + MOZ_DIAGNOSTIC_ASSERT(!mFrameLoader); + mFrameLoader = aFrameLoader; + + RefPtr<Element> owner = mFrameLoader->GetOwnerContent(); + Document* doc = owner->OwnerDoc(); + doc->OOPChildLoadStarted(this); + +#if defined(ACCESSIBILITY) + if (a11y::DocAccessible* docAcc = a11y::GetExistingDocAccessible(doc)) { + if (a11y::LocalAccessible* ownerAcc = docAcc->GetAccessible(owner)) { + if (a11y::OuterDocAccessible* outerAcc = ownerAcc->AsOuterDoc()) { + outerAcc->SendEmbedderAccessible(this); + } + } + } +#endif // defined(ACCESSIBILITY) + + return MakeAndAddRef<BrowserBridgeHost>(this); +} + +nsILoadContext* BrowserBridgeChild::GetLoadContext() { + return mBrowsingContext; +} + +void BrowserBridgeChild::NavigateByKey(bool aForward, + bool aForDocumentNavigation) { + Unused << SendNavigateByKey(aForward, aForDocumentNavigation); +} + +void BrowserBridgeChild::Activate(uint64_t aActionId) { + LOGBROWSERCHILDFOCUS( + ("BrowserBridgeChild::Activate actionid: %" PRIu64, aActionId)); + Unused << SendActivate(aActionId); +} + +void BrowserBridgeChild::Deactivate(bool aWindowLowering, uint64_t aActionId) { + Unused << SendDeactivate(aWindowLowering, aActionId); +} + +void BrowserBridgeChild::SetIsUnderHiddenEmbedderElement( + bool aIsUnderHiddenEmbedderElement) { + Unused << SendSetIsUnderHiddenEmbedderElement(aIsUnderHiddenEmbedderElement); +} + +/*static*/ +BrowserBridgeChild* BrowserBridgeChild::GetFrom(nsFrameLoader* aFrameLoader) { + if (!aFrameLoader) { + return nullptr; + } + return aFrameLoader->GetBrowserBridgeChild(); +} + +/*static*/ +BrowserBridgeChild* BrowserBridgeChild::GetFrom(nsIContent* aContent) { + RefPtr<nsFrameLoaderOwner> loaderOwner = do_QueryObject(aContent); + if (!loaderOwner) { + return nullptr; + } + RefPtr<nsFrameLoader> frameLoader = loaderOwner->GetFrameLoader(); + return GetFrom(frameLoader); +} + +mozilla::ipc::IPCResult BrowserBridgeChild::RecvRequestFocus( + const bool& aCanRaise, const CallerType aCallerType) { + // Adapted from BrowserParent + RefPtr<Element> owner = mFrameLoader->GetOwnerContent(); + if (!owner) { + return IPC_OK(); + } + nsContentUtils::RequestFrameFocus(*owner, aCanRaise, aCallerType); + return IPC_OK(); +} + +mozilla::ipc::IPCResult BrowserBridgeChild::RecvMoveFocus( + const bool& aForward, const bool& aForDocumentNavigation) { + // Adapted from BrowserParent + RefPtr<nsFocusManager> fm = nsFocusManager::GetFocusManager(); + if (!fm) { + return IPC_OK(); + } + + RefPtr<Element> owner = mFrameLoader->GetOwnerContent(); + if (!owner) { + return IPC_OK(); + } + + RefPtr<Element> dummy; + + uint32_t type = + aForward + ? (aForDocumentNavigation + ? static_cast<uint32_t>(nsIFocusManager::MOVEFOCUS_FORWARDDOC) + : static_cast<uint32_t>(nsIFocusManager::MOVEFOCUS_FORWARD)) + : (aForDocumentNavigation + ? static_cast<uint32_t>(nsIFocusManager::MOVEFOCUS_BACKWARDDOC) + : static_cast<uint32_t>(nsIFocusManager::MOVEFOCUS_BACKWARD)); + fm->MoveFocus(nullptr, owner, type, nsIFocusManager::FLAG_BYKEY, + getter_AddRefs(dummy)); + return IPC_OK(); +} + +mozilla::ipc::IPCResult +BrowserBridgeChild::RecvSetEmbeddedDocAccessibleCOMProxy( + const a11y::IDispatchHolder& aCOMProxy) { +#if defined(ACCESSIBILITY) && defined(XP_WIN) + MOZ_ASSERT(!aCOMProxy.IsNull()); + mEmbeddedDocAccessible = aCOMProxy.Get(); +#endif + return IPC_OK(); +} + +mozilla::ipc::IPCResult BrowserBridgeChild::RecvMaybeFireEmbedderLoadEvents( + EmbedderElementEventType aFireEventAtEmbeddingElement) { + RefPtr<Element> owner = mFrameLoader->GetOwnerContent(); + if (!owner) { + return IPC_OK(); + } + + if (aFireEventAtEmbeddingElement == EmbedderElementEventType::LoadEvent) { + nsEventStatus status = nsEventStatus_eIgnore; + WidgetEvent event(/* aIsTrusted = */ true, eLoad); + event.mFlags.mBubbles = false; + event.mFlags.mCancelable = false; + EventDispatcher::Dispatch(owner, nullptr, &event, nullptr, &status); + } else if (aFireEventAtEmbeddingElement == + EmbedderElementEventType::ErrorEvent) { + mFrameLoader->FireErrorEvent(); + } + + UnblockOwnerDocsLoadEvent(); + + return IPC_OK(); +} + +mozilla::ipc::IPCResult BrowserBridgeChild::RecvScrollRectIntoView( + const nsRect& aRect, const ScrollAxis& aVertical, + const ScrollAxis& aHorizontal, const ScrollFlags& aScrollFlags, + const int32_t& aAppUnitsPerDevPixel) { + RefPtr<Element> owner = mFrameLoader->GetOwnerContent(); + if (!owner) { + return IPC_OK(); + } + + nsIFrame* frame = owner->GetPrimaryFrame(); + if (!frame) { + return IPC_OK(); + } + + nsSubDocumentFrame* subdocumentFrame = do_QueryFrame(frame); + if (!subdocumentFrame) { + return IPC_OK(); + } + + nsPoint extraOffset = subdocumentFrame->GetExtraOffset(); + + int32_t parentAPD = frame->PresContext()->AppUnitsPerDevPixel(); + nsRect rect = + aRect.ScaleToOtherAppUnitsRoundOut(aAppUnitsPerDevPixel, parentAPD); + rect += extraOffset; + RefPtr<PresShell> presShell = frame->PresShell(); + presShell->ScrollFrameIntoView(frame, Some(rect), aVertical, aHorizontal, + aScrollFlags); + return IPC_OK(); +} + +mozilla::ipc::IPCResult BrowserBridgeChild::RecvSubFrameCrashed() { + if (RefPtr<nsFrameLoaderOwner> frameLoaderOwner = + do_QueryObject(mFrameLoader->GetOwnerContent())) { + frameLoaderOwner->SubframeCrashed(); + } + return IPC_OK(); +} + +void BrowserBridgeChild::ActorDestroy(ActorDestroyReason aWhy) { + if (mFrameLoader) { + mFrameLoader->DestroyComplete(); + } + + if (!mBrowsingContext) { + // This BBC was never valid, skip teardown. + return; + } + + // Ensure we unblock our document's 'load' event (in case the OOP-iframe has + // been removed before it finished loading, or its subprocess crashed): + UnblockOwnerDocsLoadEvent(); +} + +void BrowserBridgeChild::UnblockOwnerDocsLoadEvent() { + if (!mHadInitialLoad) { + mHadInitialLoad = true; + + if (Document* doc = mBrowsingContext->GetParent()->GetExtantDocument()) { + doc->OOPChildLoadDone(this); + } + } +} + +mozilla::ipc::IPCResult BrowserBridgeChild::RecvIntrinsicSizeOrRatioChanged( + const Maybe<IntrinsicSize>& aIntrinsicSize, + const Maybe<AspectRatio>& aIntrinsicRatio) { + if (RefPtr<Element> owner = mFrameLoader->GetOwnerContent()) { + if (nsCOMPtr<nsIObjectLoadingContent> olc = do_QueryInterface(owner)) { + static_cast<nsObjectLoadingContent*>(olc.get()) + ->SubdocumentIntrinsicSizeOrRatioChanged(aIntrinsicSize, + aIntrinsicRatio); + } + } + return IPC_OK(); +} + +mozilla::ipc::IPCResult BrowserBridgeChild::RecvImageLoadComplete( + const nsresult& aResult) { + if (RefPtr<Element> owner = mFrameLoader->GetOwnerContent()) { + if (nsCOMPtr<nsIObjectLoadingContent> olc = do_QueryInterface(owner)) { + static_cast<nsObjectLoadingContent*>(olc.get()) + ->SubdocumentImageLoadComplete(aResult); + } + } + return IPC_OK(); +} + +} // namespace mozilla::dom |