Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

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

1 files changed, 289 insertions, 0 deletions

diff --git a/dom/ipc/BrowserHost.cpp b/dom/ipc/BrowserHost.cpp
new file mode 100644
index 0000000000..d0ce7c6ba4
--- /dev/null
+++ b/dom/ipc/BrowserHost.cpp
@@ -0,0 +1,289 @@
+/* -*- 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/. */
+
+#include "mozilla/dom/BrowserHost.h"
+
+#include "mozilla/Unused.h"
+#include "mozilla/dom/CancelContentJSOptionsBinding.h"
+#include "mozilla/dom/ContentParent.h"
+#include "mozilla/dom/WindowGlobalParent.h"
+#include "mozilla/ProcessPriorityManager.h"
+
+#include "nsIObserverService.h"
+
+namespace mozilla::dom {
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(BrowserHost)
+  NS_INTERFACE_MAP_ENTRY(nsIRemoteTab)
+  NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
+  NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, RemoteBrowser)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_CYCLE_COLLECTION_WEAK(BrowserHost, mRoot)
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(BrowserHost)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(BrowserHost)
+
+BrowserHost::BrowserHost(BrowserParent* aParent)
+    : mId(aParent->GetTabId()),
+      mRoot(aParent),
+      mEffectsInfo{EffectsInfo::FullyHidden()} {
+  mRoot->SetBrowserHost(this);
+}
+
+BrowserHost* BrowserHost::GetFrom(nsIRemoteTab* aRemoteTab) {
+  return static_cast<BrowserHost*>(aRemoteTab);
+}
+
+TabId BrowserHost::GetTabId() const { return mId; }
+
+mozilla::layers::LayersId BrowserHost::GetLayersId() const {
+  return mRoot->GetLayersId();
+}
+
+BrowsingContext* BrowserHost::GetBrowsingContext() const {
+  return mRoot->GetBrowsingContext();
+}
+
+nsILoadContext* BrowserHost::GetLoadContext() const {
+  RefPtr<nsILoadContext> loadContext = mRoot->GetLoadContext();
+  return loadContext;
+}
+
+bool BrowserHost::CanRecv() const { return mRoot && mRoot->CanRecv(); }
+
+a11y::DocAccessibleParent* BrowserHost::GetTopLevelDocAccessible() const {
+  return mRoot ? mRoot->GetTopLevelDocAccessible() : nullptr;
+}
+
+void BrowserHost::LoadURL(nsDocShellLoadState* aLoadState) {
+  MOZ_ASSERT(aLoadState);
+  mRoot->LoadURL(aLoadState);
+}
+
+void BrowserHost::ResumeLoad(uint64_t aPendingSwitchId) {
+  mRoot->ResumeLoad(aPendingSwitchId);
+}
+
+void BrowserHost::DestroyStart() { mRoot->Destroy(); }
+
+void BrowserHost::DestroyComplete() {
+  if (!mRoot) {
+    return;
+  }
+  mRoot->SetOwnerElement(nullptr);
+  mRoot->Destroy();
+  mRoot->SetBrowserHost(nullptr);
+  mRoot = nullptr;
+
+  nsCOMPtr<nsIObserverService> os = services::GetObserverService();
+  if (os) {
+    os->NotifyObservers(NS_ISUPPORTS_CAST(nsIRemoteTab*, this),
+                        "ipc:browser-destroyed", nullptr);
+  }
+}
+
+bool BrowserHost::Show(const OwnerShowInfo& aShowInfo) {
+  return mRoot->Show(aShowInfo);
+}
+
+void BrowserHost::UpdateDimensions(const nsIntRect& aRect,
+                                   const ScreenIntSize& aSize) {
+  mRoot->UpdateDimensions(aRect, aSize);
+}
+
+void BrowserHost::UpdateEffects(EffectsInfo aEffects) {
+  if (!mRoot || mEffectsInfo == aEffects) {
+    return;
+  }
+  mEffectsInfo = aEffects;
+  Unused << mRoot->SendUpdateEffects(mEffectsInfo);
+}
+
+/* attribute boolean renderLayers; */
+NS_IMETHODIMP
+BrowserHost::GetRenderLayers(bool* aRenderLayers) {
+  if (!mRoot) {
+    *aRenderLayers = false;
+    return NS_OK;
+  }
+  *aRenderLayers = mRoot->GetRenderLayers();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+BrowserHost::SetRenderLayers(bool aRenderLayers) {
+  if (!mRoot) {
+    return NS_OK;
+  }
+
+  mRoot->SetRenderLayers(aRenderLayers);
+  return NS_OK;
+}
+
+/* readonly attribute boolean hasLayers; */
+NS_IMETHODIMP
+BrowserHost::GetHasLayers(bool* aHasLayers) {
+  *aHasLayers = mRoot && mRoot->GetHasLayers();
+  return NS_OK;
+}
+
+/* attribute boolean priorityHint; */
+NS_IMETHODIMP
+BrowserHost::SetPriorityHint(bool aPriorityHint) {
+  if (!mRoot) {
+    return NS_OK;
+  }
+  mRoot->SetPriorityHint(aPriorityHint);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+BrowserHost::GetPriorityHint(bool* aPriorityHint) {
+  *aPriorityHint = mRoot && mRoot->GetPriorityHint();
+  return NS_OK;
+}
+
+/* void resolutionChanged (); */
+NS_IMETHODIMP
+BrowserHost::NotifyResolutionChanged() {
+  if (!mRoot) {
+    return NS_OK;
+  }
+  VisitAll([](BrowserParent* aBrowserParent) {
+    aBrowserParent->NotifyResolutionChanged();
+  });
+  return NS_OK;
+}
+
+/* void deprioritize (); */
+NS_IMETHODIMP
+BrowserHost::Deprioritize() {
+  if (!mRoot) {
+    return NS_OK;
+  }
+  auto* bc = GetBrowsingContext()->Canonical();
+  ProcessPriorityManager::BrowserPriorityChanged(bc,
+                                                 /* aPriority = */ false);
+  return NS_OK;
+}
+
+/* void preserveLayers (in boolean aPreserveLayers); */
+NS_IMETHODIMP
+BrowserHost::PreserveLayers(bool aPreserveLayers) {
+  if (!mRoot) {
+    return NS_OK;
+  }
+  VisitAll([&](BrowserParent* aBrowserParent) {
+    aBrowserParent->PreserveLayers(aPreserveLayers);
+  });
+  return NS_OK;
+}
+
+/* readonly attribute uint64_t tabId; */
+NS_IMETHODIMP
+BrowserHost::GetTabId(uint64_t* aTabId) {
+  *aTabId = mId;
+  return NS_OK;
+}
+
+/* readonly attribute uint64_t contentProcessId; */
+NS_IMETHODIMP
+BrowserHost::GetContentProcessId(uint64_t* aContentProcessId) {
+  if (!mRoot) {
+    *aContentProcessId = 0;
+    return NS_OK;
+  }
+  *aContentProcessId = GetContentParent()->ChildID();
+  return NS_OK;
+}
+
+/* readonly attribute int32_t osPid; */
+NS_IMETHODIMP
+BrowserHost::GetOsPid(int32_t* aOsPid) {
+  if (!mRoot) {
+    *aOsPid = 0;
+    return NS_OK;
+  }
+  *aOsPid = GetContentParent()->Pid();
+  return NS_OK;
+}
+
+/* readonly attribute BrowsingContext browsingContext; */
+NS_IMETHODIMP
+BrowserHost::GetBrowsingContext(BrowsingContext** aBc) {
+  if (!mRoot) {
+    *aBc = nullptr;
+    return NS_OK;
+  }
+  RefPtr<BrowsingContext> bc = mRoot->GetBrowsingContext();
+  bc.forget(aBc);
+  return NS_OK;
+}
+
+/* readonly attribute boolean hasPresented; */
+NS_IMETHODIMP
+BrowserHost::GetHasPresented(bool* aHasPresented) {
+  if (!mRoot) {
+    *aHasPresented = false;
+    return NS_OK;
+  }
+  *aHasPresented = mRoot->GetHasPresented();
+  return NS_OK;
+}
+
+/* void transmitPermissionsForPrincipal (in nsIPrincipal aPrincipal); */
+NS_IMETHODIMP
+BrowserHost::TransmitPermissionsForPrincipal(nsIPrincipal* aPrincipal) {
+  if (!mRoot) {
+    return NS_OK;
+  }
+  return GetContentParent()->TransmitPermissionsForPrincipal(aPrincipal);
+}
+
+/* void createAboutBlankContentViewer(in nsIPrincipal aPrincipal, in
+ * nsIPrincipal aPartitionedPrincipal); */
+NS_IMETHODIMP
+BrowserHost::CreateAboutBlankContentViewer(
+    nsIPrincipal* aPrincipal, nsIPrincipal* aPartitionedPrincipal) {
+  if (!mRoot) {
+    return NS_OK;
+  }
+
+  // Ensure the content process has permisisons for the new document we're about
+  // to create in it.
+  nsresult rv = GetContentParent()->TransmitPermissionsForPrincipal(aPrincipal);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  Unused << mRoot->SendCreateAboutBlankContentViewer(aPrincipal,
+                                                     aPartitionedPrincipal);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+BrowserHost::MaybeCancelContentJSExecutionFromScript(
+    nsIRemoteTab::NavigationType aNavigationType,
+    JS::Handle<JS::Value> aCancelContentJSOptions, JSContext* aCx) {
+  // If we're in the process of creating a new window (via window.open), then
+  // the load that called this function isn't a "normal" load and should be
+  // ignored for the purposes of cancelling content JS.
+  if (!mRoot || mRoot->CreatingWindow()) {
+    return NS_OK;
+  }
+  dom::CancelContentJSOptions cancelContentJSOptions;
+  if (!cancelContentJSOptions.Init(aCx, aCancelContentJSOptions)) {
+    return NS_ERROR_INVALID_ARG;
+  }
+  if (StaticPrefs::dom_ipc_cancel_content_js_when_navigating()) {
+    GetContentParent()->CancelContentJSExecutionIfRunning(
+        mRoot, aNavigationType, cancelContentJSOptions);
+  }
+  return NS_OK;
+}
+
+}  // namespace mozilla::dom