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4b493b6a30
By making image loading in <embed> and <object> behave more like when an <iframe> loads an image, we can make sure that the synthetic document generated is process switched if the image is cross origin. This is done by making image loading in nsObjectLoadingContent follow the document loading path. We also make sure that we pass the image size back to the embedder element to not get stuck with the intrinsic size. To avoid named targeting being able to target these synthetic documents, as well as showing up in `Window.frames` and being counted in `Window.length`, we keep a filtered list of non-synthetic browsing contexts for that use-case. This feature is controlled by two prefs: * browser.opaqueResponseBlocking.syntheticBrowsingContext This triggers the creation of synthetic documents for images loaded in <object> or embed. * browser.opaqueResponseBlocking.syntheticBrowsingContext.filter This turns on the filtering of synthetic browsing contexts in named targeting, `Window.length` and `Window.frames`. Differential Revision: https://phabricator.services.mozilla.com/D148117
128 lines
4.0 KiB
C++
128 lines
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_BrowserBridgeParent_h
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#define mozilla_dom_BrowserBridgeParent_h
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#include "mozilla/dom/PBrowserBridgeParent.h"
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#include "mozilla/dom/ipc/IdType.h"
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#include "mozilla/dom/WindowGlobalTypes.h"
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namespace mozilla {
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namespace a11y {
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class DocAccessibleParent;
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}
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namespace embedding {
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class PrintData;
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}
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namespace dom {
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class BrowserParent;
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/**
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* BrowserBridgeParent implements the parent actor part of the PBrowserBridge
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* protocol. See PBrowserBridge for more information.
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*/
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class BrowserBridgeParent : public PBrowserBridgeParent {
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public:
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NS_INLINE_DECL_REFCOUNTING(BrowserBridgeParent, final);
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BrowserBridgeParent();
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nsresult InitWithProcess(BrowserParent* aParentBrowser,
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ContentParent* aContentParent,
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const WindowGlobalInit& aWindowInit,
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uint32_t aChromeFlags, TabId aTabId);
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BrowserParent* GetBrowserParent() { return mBrowserParent; }
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CanonicalBrowsingContext* GetBrowsingContext();
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// Get our manager actor.
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BrowserParent* Manager();
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#if defined(ACCESSIBILITY)
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/**
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* Get the DocAccessibleParent which contains this iframe.
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*/
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a11y::DocAccessibleParent* GetEmbedderAccessibleDoc();
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/**
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* Get the unique id of the OuterDocAccessible associated with this iframe.
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* This is the id of the RemoteAccessible inside the document returned by
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* GetEmbedderAccessibleDoc.
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*/
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uint64_t GetEmbedderAccessibleId() { return mEmbedderAccessibleID; }
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/**
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* Get the DocAccessibleParent for the embedded document.
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*/
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a11y::DocAccessibleParent* GetDocAccessibleParent();
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#endif // defined(ACCESSIBILITY)
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// Tear down this BrowserBridgeParent.
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void Destroy();
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protected:
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friend class PBrowserBridgeParent;
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mozilla::ipc::IPCResult RecvShow(const OwnerShowInfo&);
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mozilla::ipc::IPCResult RecvScrollbarPreferenceChanged(ScrollbarPreference);
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mozilla::ipc::IPCResult RecvLoadURL(nsDocShellLoadState* aLoadState);
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mozilla::ipc::IPCResult RecvResumeLoad(uint64_t aPendingSwitchID);
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mozilla::ipc::IPCResult RecvUpdateDimensions(const nsIntRect& aRect,
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const ScreenIntSize& aSize);
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mozilla::ipc::IPCResult RecvUpdateEffects(const EffectsInfo& aEffects);
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mozilla::ipc::IPCResult RecvUpdateRemotePrintSettings(
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const embedding::PrintData&);
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mozilla::ipc::IPCResult RecvRenderLayers(const bool& aEnabled,
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const LayersObserverEpoch& aEpoch);
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mozilla::ipc::IPCResult RecvNavigateByKey(const bool& aForward,
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const bool& aForDocumentNavigation);
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mozilla::ipc::IPCResult RecvBeginDestroy();
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mozilla::ipc::IPCResult RecvDispatchSynthesizedMouseEvent(
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const WidgetMouseEvent& aEvent);
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mozilla::ipc::IPCResult RecvWillChangeProcess();
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mozilla::ipc::IPCResult RecvActivate(uint64_t aActionId);
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mozilla::ipc::IPCResult RecvDeactivate(const bool& aWindowLowering,
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uint64_t aActionId);
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mozilla::ipc::IPCResult RecvSetIsUnderHiddenEmbedderElement(
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const bool& aIsUnderHiddenEmbedderElement);
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mozilla::ipc::IPCResult RecvUpdateRemoteStyle(
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const StyleImageRendering& aImageRendering);
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#ifdef ACCESSIBILITY
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mozilla::ipc::IPCResult RecvSetEmbedderAccessible(PDocAccessibleParent* aDoc,
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uint64_t aID);
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#endif
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void ActorDestroy(ActorDestroyReason aWhy) override;
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private:
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~BrowserBridgeParent();
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RefPtr<BrowserParent> mBrowserParent;
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#ifdef ACCESSIBILITY
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RefPtr<a11y::DocAccessibleParent> mEmbedderAccessibleDoc;
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uint64_t mEmbedderAccessibleID = 0;
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#endif // ACCESSIBILITY
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};
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} // namespace dom
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} // namespace mozilla
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#endif // !defined(mozilla_dom_BrowserBridgeParent_h)
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