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7b6e3a2d4a
This removes a lot of the plumbing for having the platform embed itself through IPC which was required for B2G running the browser as both shell and browser application.
75 lines
2.5 KiB
Text
75 lines
2.5 KiB
Text
/* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 8 -*- */
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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 protocol PBrowser;
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include PBrowserOrId;
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using UIStateChangeType from "nsPIDOMWindow.h";
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using mozilla::DocShellOriginAttributes 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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//
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// If isMozBrowserElement is false, this PopupIPCTabContext is either a
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// <xul:browser> or an app frame. The frame's app-id and app-frame-owner-app-id
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// will be equal to the opener's values. For a <xul:browser>, those app IDs
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// will be NO_APP_ID.
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//
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// If isMozBrowserElement is true, the frame's browserFrameOwnerAppId will be
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// equal to the opener's app-id.
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//
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// It's an error to set isMozBrowserElement == false if opener is a mozbrowser
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// element. Such a PopupIPCTabContext should be rejected by code which receives
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// it.
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struct PopupIPCTabContext
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{
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PBrowserOrId opener;
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bool isMozBrowserElement;
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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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// The originAttributes dictionary.
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DocShellOriginAttributes originAttributes;
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// Whether this is a mozbrowser frame. <iframe mozbrowser mozapp> and
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// <xul:browser> are not considered to be mozbrowser frames.
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bool isMozBrowserElement;
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// Whether this TabContext should work in prerender mode.
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bool isPrerendered;
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// Keyboard indicator state inherited from the parent.
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UIStateChangeType showAccelerators;
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UIStateChangeType showFocusRings;
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};
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// XXXcatalinb: This is only used by ServiceWorkerClients::OpenWindow.
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// Because service workers don't have an associated TabChild
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// we can't satisfy the security constraints on b2g. As such, the parent
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// process will accept this tab context only on desktop.
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struct UnsafeIPCTabContext
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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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UnsafeIPCTabContext;
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};
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}
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}
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