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/* -*- 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);
}
/*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::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
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