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91 lines
2.8 KiB
C++
91 lines
2.8 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_ContentProcessManager_h
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#define mozilla_dom_ContentProcessManager_h
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#include "mozilla/StaticPtr.h"
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#include "mozilla/dom/TabContext.h"
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#include "mozilla/dom/ipc/IdType.h"
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#include "nsTArray.h"
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#include "nsTHashMap.h"
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namespace mozilla::dom {
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class ContentParent;
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class ContentProcessManager final {
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public:
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static ContentProcessManager* GetSingleton();
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MOZ_COUNTED_DTOR(ContentProcessManager);
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/**
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* Add a new content process into the map.
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*/
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void AddContentProcess(ContentParent* aChildCp);
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/**
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* Remove the content process by id.
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*/
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void RemoveContentProcess(const ContentParentId& aChildCpId);
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/**
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* Return the ContentParent pointer by id.
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*/
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ContentParent* GetContentProcessById(const ContentParentId& aChildCpId);
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/**
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* Add a new browser parent into the map.
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*/
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bool RegisterRemoteFrame(BrowserParent* aChildBp);
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/**
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* Remove the browser parent by the given tab id.
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*/
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void UnregisterRemoteFrame(const TabId& aChildTabId);
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/**
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* Get the ContentParentId of the parent of the given tab id.
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*/
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ContentParentId GetTabProcessId(const TabId& aChildTabId);
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/**
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* Get the number of BrowserParents managed by the givent content process.
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* Return 0 when ContentParent couldn't be found via aChildCpId.
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*/
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uint32_t GetBrowserParentCountByProcessId(const ContentParentId& aChildCpId);
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/**
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* Get the BrowserParent by the given content process and tab id.
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* Return nullptr when BrowserParent couldn't be found via aChildCpId
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* and aChildTabId.
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*/
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already_AddRefed<BrowserParent> GetBrowserParentByProcessAndTabId(
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const ContentParentId& aChildCpId, const TabId& aChildTabId);
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/**
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* Get the BrowserParent on top level by the given content process and tab id.
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*
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* This function returns the BrowserParent directly within a BrowserHost,
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* called top-level BrowserParent here, by given aChildCpId and aChildTabId.
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* The given aChildCpId and aChildTabId are related to a content process
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* and a tab respectively.
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*/
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already_AddRefed<BrowserParent> GetTopLevelBrowserParentByProcessAndTabId(
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const ContentParentId& aChildCpId, const TabId& aChildTabId);
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private:
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static StaticAutoPtr<ContentProcessManager> sSingleton;
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nsTHashMap<nsUint64HashKey, ContentParent*> mContentParentMap;
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nsTHashMap<nsUint64HashKey, BrowserParent*> mBrowserParentMap;
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MOZ_COUNTED_DEFAULT_CTOR(ContentProcessManager);
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};
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} // namespace mozilla::dom
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#endif // mozilla_dom_ContentProcessManager_h
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