Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 261 insertions, 0 deletions

diff --git a/dom/ipc/BrowserBridgeChild.cpp b/dom/ipc/BrowserBridgeChild.cpp
new file mode 100644
index 0000000000..3e3be33388
--- /dev/null
+++ b/dom/ipc/BrowserBridgeChild.cpp
@@ -0,0 +1,261 @@
+/* -*- 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
+#  ifdef XP_WIN
+#    include "mozilla/a11y/ProxyAccessible.h"
+#    include "mozilla/a11y/ProxyWrappers.h"
+#  endif
+#  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;
+
+namespace mozilla::dom {
+
+BrowserBridgeChild::BrowserBridgeChild(BrowsingContext* aBrowsingContext,
+                                       TabId aId, const LayersId& aLayersId)
+    : mId{aId}, mLayersId{aLayersId}, mBrowsingContext(aBrowsingContext) {}
+
+BrowserBridgeChild::~BrowserBridgeChild() {
+#if defined(ACCESSIBILITY) && defined(XP_WIN)
+  if (mEmbeddedDocAccessible) {
+    mEmbeddedDocAccessible->Shutdown();
+  }
+#endif
+}
+
+already_AddRefed<BrowserBridgeHost> BrowserBridgeChild::FinishInit(
+    nsFrameLoader* aFrameLoader) {
+  MOZ_DIAGNOSTIC_ASSERT(!mFrameLoader);
+  mFrameLoader = aFrameLoader;
+
+  RefPtr<Element> owner = mFrameLoader->GetOwnerContent();
+  nsCOMPtr<nsIDocShell> docShell = do_GetInterface(owner->GetOwnerGlobal());
+  MOZ_DIAGNOSTIC_ASSERT(docShell);
+
+  nsDocShell::Cast(docShell)->OOPChildLoadStarted(this);
+
+#if defined(ACCESSIBILITY)
+  if (a11y::DocAccessible* docAcc =
+          a11y::GetExistingDocAccessible(owner->OwnerDoc())) {
+    if (a11y::Accessible* 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) {
+  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());
+  if (mEmbeddedDocAccessible) {
+    mEmbeddedDocAccessible->Shutdown();
+  }
+  RefPtr<IDispatch> comProxy(aCOMProxy.Get());
+  mEmbeddedDocAccessible =
+      new a11y::RemoteIframeDocProxyAccessibleWrap(comProxy);
+#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->ScrollFrameRectIntoView(frame, 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 (!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 (auto* docShell =
+            nsDocShell::Cast(mBrowsingContext->GetParent()->GetDocShell())) {
+      docShell->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();
+}
+
+}  // namespace mozilla::dom