gecko-dev/dom/ipc/BrowserBridgeChild.h

122 строки
3.6 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_BrowserBridgeChild_h
#define mozilla_dom_BrowserBridgeChild_h
#include "mozilla/dom/PBrowserBridgeChild.h"
#include "mozilla/dom/BrowserChild.h"
#include "mozilla/dom/ipc/IdType.h"
namespace mozilla {
namespace a11y {
class RemoteIframeDocProxyAccessibleWrap;
}
namespace dom {
class BrowsingContext;
class ContentChild;
class BrowserBridgeHost;
/**
* BrowserBridgeChild implements the child actor part of the PBrowserBridge
* protocol. See PBrowserBridge for more information.
*/
class BrowserBridgeChild : public PBrowserBridgeChild {
public:
typedef mozilla::layers::LayersId LayersId;
NS_INLINE_DECL_REFCOUNTING(BrowserBridgeChild, final);
BrowserChild* Manager() {
MOZ_ASSERT(CanSend());
return static_cast<BrowserChild*>(PBrowserBridgeChild::Manager());
}
TabId GetTabId() { return mId; }
LayersId GetLayersId() { return mLayersId; }
nsFrameLoader* GetFrameLoader() const { return mFrameLoader; }
BrowsingContext* GetBrowsingContext() { return mBrowsingContext; }
// XXX(nika): We should have a load context here. (bug 1532664)
nsILoadContext* GetLoadContext() { return nullptr; }
void NavigateByKey(bool aForward, bool aForDocumentNavigation);
void Activate();
void Deactivate(bool aWindowLowering);
void SetIsUnderHiddenEmbedderElement(bool aIsUnderHiddenEmbedderElement);
already_AddRefed<BrowserBridgeHost> FinishInit(nsFrameLoader* aFrameLoader);
#if defined(ACCESSIBILITY) && defined(XP_WIN)
a11y::RemoteIframeDocProxyAccessibleWrap* GetEmbeddedDocAccessible() {
return mEmbeddedDocAccessible;
}
#endif
static BrowserBridgeChild* GetFrom(nsFrameLoader* aFrameLoader);
static BrowserBridgeChild* GetFrom(nsIContent* aContent);
BrowserBridgeChild(BrowsingContext* aBrowsingContext, TabId aId);
protected:
friend class ContentChild;
friend class PBrowserBridgeChild;
mozilla::ipc::IPCResult RecvSetLayersId(
const mozilla::layers::LayersId& aLayersId);
mozilla::ipc::IPCResult RecvRequestFocus(const bool& aCanRaise,
const CallerType aCallerType);
mozilla::ipc::IPCResult RecvMoveFocus(const bool& aForward,
const bool& aForDocumentNavigation);
mozilla::ipc::IPCResult RecvSetEmbeddedDocAccessibleCOMProxy(
const IDispatchHolder& aCOMProxy);
mozilla::ipc::IPCResult RecvMaybeFireEmbedderLoadEvents(
bool aIsTrusted, bool aFireLoadAtEmbeddingElement);
MOZ_CAN_RUN_SCRIPT_BOUNDARY
mozilla::ipc::IPCResult RecvScrollRectIntoView(
const nsRect& aRect, const ScrollAxis& aVertical,
const ScrollAxis& aHorizontal, const ScrollFlags& aScrollFlags,
const int32_t& aAppUnitsPerDevPixel);
mozilla::ipc::IPCResult RecvSubFrameCrashed(
const MaybeDiscarded<BrowsingContext>& aContext);
void ActorDestroy(ActorDestroyReason aWhy) override;
private:
~BrowserBridgeChild();
void UnblockOwnerDocsLoadEvent();
TabId mId;
LayersId mLayersId;
bool mHadInitialLoad = false;
RefPtr<nsFrameLoader> mFrameLoader;
RefPtr<BrowsingContext> mBrowsingContext;
#if defined(ACCESSIBILITY) && defined(XP_WIN)
RefPtr<a11y::RemoteIframeDocProxyAccessibleWrap> mEmbeddedDocAccessible;
#endif
};
} // namespace dom
} // namespace mozilla
#endif // !defined(mozilla_dom_BrowserBridgeParent_h)