gecko-dev/dom/ipc/BrowserBridgeChild.h

132 строки
4.1 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::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; }
nsILoadContext* GetLoadContext();
void NavigateByKey(bool aForward, bool aForDocumentNavigation);
void Activate(uint64_t aActionId);
void Deactivate(bool aWindowLowering, uint64_t aActionId);
void SetIsUnderHiddenEmbedderElement(bool aIsUnderHiddenEmbedderElement);
already_AddRefed<BrowserBridgeHost> FinishInit(nsFrameLoader* aFrameLoader);
#if defined(ACCESSIBILITY)
void SetEmbedderAccessible(PDocAccessibleChild* aDoc, uint64_t aID) {
MOZ_ASSERT((aDoc && aID) || (!aDoc && !aID));
mEmbedderAccessibleID = aID;
Unused << SendSetEmbedderAccessible(aDoc, aID);
}
uint64_t GetEmbedderAccessibleID() { return mEmbedderAccessibleID; }
# if defined(XP_WIN)
already_AddRefed<IDispatch> GetEmbeddedDocAccessible() {
return RefPtr{mEmbeddedDocAccessible}.forget();
}
# endif // defined(XP_WIN)
#endif // defined(ACCESSIBILITY)
static BrowserBridgeChild* GetFrom(nsFrameLoader* aFrameLoader);
static BrowserBridgeChild* GetFrom(nsIContent* aContent);
BrowserBridgeChild(BrowsingContext* aBrowsingContext, TabId aId,
const LayersId& aLayersId);
protected:
friend class ContentChild;
friend class PBrowserBridgeChild;
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);
// TODO: Use MOZ_CAN_RUN_SCRIPT when it gains IPDL support (bug 1539864)
MOZ_CAN_RUN_SCRIPT_BOUNDARY mozilla::ipc::IPCResult
RecvMaybeFireEmbedderLoadEvents(
EmbedderElementEventType aFireEventAtEmbeddingElement);
mozilla::ipc::IPCResult RecvIntrinsicSizeOrRatioChanged(
const Maybe<IntrinsicSize>& aIntrinsicSize,
const Maybe<AspectRatio>& aIntrinsicRatio);
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();
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)
// We need to keep track of the embedder accessible id we last sent to the
// parent process.
uint64_t mEmbedderAccessibleID = 0;
# if defined(XP_WIN)
RefPtr<IDispatch> mEmbeddedDocAccessible;
# endif // defined(XP_WIN)
#endif // defined(ACCESSIBILITY)
};
} // namespace mozilla::dom
#endif // !defined(mozilla_dom_BrowserBridgeParent_h)