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