forked from mirrors/gecko-dev
4b67d42692
This patch makes the triggering princpal to be propagated to the BrowserChild when calling LoadURL in nsFrameLoader. And use it as the triggering principal for loading instead of the system principal. Differential Revision: https://phabricator.services.mozilla.com/D75965
108 lines
3.2 KiB
C++
108 lines
3.2 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_BrowserHost_h
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#define mozilla_dom_BrowserHost_h
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#include "nsIRemoteTab.h"
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#include "mozilla/dom/RemoteBrowser.h"
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#include "mozilla/dom/BrowserParent.h"
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class nsPIDOMWindowOuter;
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namespace mozilla {
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namespace a11y {
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class DocAccessibleParent;
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} // namespace a11y
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namespace dom {
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class Element;
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/**
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* BrowserHost manages a remote browser from the chrome process.
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*
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* It is used via the RemoteBrowser interface in nsFrameLoader and supports
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* operations over the tree of BrowserParent/BrowserBridgeParent's.
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*
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* See `dom/docs/Fission-IPC-Diagram.svg` for an overview of the DOM IPC
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* actors.
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*/
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class BrowserHost : public RemoteBrowser,
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public nsIRemoteTab,
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public nsSupportsWeakReference {
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public:
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typedef mozilla::layers::LayersId LayersId;
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explicit BrowserHost(BrowserParent* aParent);
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static BrowserHost* GetFrom(nsIRemoteTab* aRemoteTab);
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// NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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// nsIRemoteTab
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NS_DECL_NSIREMOTETAB
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NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(BrowserHost, RemoteBrowser)
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// Get the IPDL actor for the root BrowserParent. This method should be
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// avoided and consumers migrated to use this class.
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BrowserParent* GetActor() { return mRoot; }
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ContentParent* GetContentParent() const {
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return mRoot ? mRoot->Manager() : nullptr;
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}
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BrowserHost* AsBrowserHost() override { return this; }
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BrowserBridgeHost* AsBrowserBridgeHost() override { return nullptr; }
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TabId GetTabId() const override;
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LayersId GetLayersId() const override;
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BrowsingContext* GetBrowsingContext() const override;
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nsILoadContext* GetLoadContext() const override;
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Element* GetOwnerElement() const { return mRoot->GetOwnerElement(); }
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already_AddRefed<nsPIDOMWindowOuter> GetParentWindowOuter() const {
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return mRoot->GetParentWindowOuter();
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}
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a11y::DocAccessibleParent* GetTopLevelDocAccessible() const;
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// Visit each BrowserParent in the tree formed by PBrowser and
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// PBrowserBridge that is anchored by `mRoot`.
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template <typename Callback>
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void VisitAll(Callback aCallback) {
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if (!mRoot) {
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return;
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}
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mRoot->VisitAll(aCallback);
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}
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void LoadURL(nsIURI* aURI, nsIPrincipal* aTriggeringPrincipal) override;
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void ResumeLoad(uint64_t aPendingSwitchId) override;
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void DestroyStart() override;
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void DestroyComplete() override;
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bool Show(const OwnerShowInfo&) override;
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void UpdateDimensions(const nsIntRect& aRect,
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const ScreenIntSize& aSize) override;
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void UpdateEffects(EffectsInfo aInfo) override;
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private:
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virtual ~BrowserHost() = default;
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// The TabID for the root BrowserParent, we cache this so that we can access
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// it after the remote browser has been destroyed
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TabId mId;
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// The root BrowserParent of this remote browser
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RefPtr<BrowserParent> mRoot;
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EffectsInfo mEffectsInfo;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_BrowserHost_h
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