зеркало из https://github.com/mozilla/gecko-dev.git
63 строки
1.7 KiB
C++
63 строки
1.7 KiB
C++
/* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 8 -*- */
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/* vim: set sw=4 ts=8 et tw=80 ft=cpp : */
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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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include "mozilla/dom/TabMessageUtils.h";
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include protocol PBrowser;
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using UIStateChangeType from "nsPIDOMWindow.h";
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using mozilla::OriginAttributes from "mozilla/ipc/BackgroundUtils.h";
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namespace mozilla {
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namespace dom {
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// An IPCTabContext which corresponds to a PBrowser opened by a child when it
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// receives window.open().
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struct PopupIPCTabContext
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{
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PBrowser opener;
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uint64_t chromeOuterWindowID;
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};
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// An IPCTabContext which corresponds to an app, browser, or normal frame.
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struct FrameIPCTabContext
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{
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uint64_t chromeOuterWindowID;
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// The requested presentation URL.
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// This value would be empty if the TabContext isn't created for
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// presented content.
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nsString presentationURL;
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// Keyboard indicator state inherited from the parent.
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UIStateChangeType showFocusRings;
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// Maximum number of touch points on the screen.
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uint32_t maxTouchPoints;
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};
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struct JSPluginFrameIPCTabContext
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{
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uint32_t jsPluginId;
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};
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// IPCTabContext is an analog to mozilla::dom::TabContext. Both specify an
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// iframe/PBrowser's own and containing app-ids and tell you whether the
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// iframe/PBrowser is a browser frame. But only IPCTabContext is allowed to
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// travel over IPC.
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//
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// We need IPCTabContext (specifically, PopupIPCTabContext) to prevent a
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// privilege escalation attack by a compromised child process.
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union IPCTabContext
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{
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PopupIPCTabContext;
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FrameIPCTabContext;
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JSPluginFrameIPCTabContext;
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};
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}
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}
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