diff options
Diffstat (limited to 'dom/ipc/BrowserHost.cpp')
| -rw-r--r-- | dom/ipc/BrowserHost.cpp | 289 |
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 |