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c864e00967
This remotes the APZInputBridge interface over the PAPZInputBridge
protocol in the case of the GPU process, and makes the GPU process'
main thread act as the APZ controller thread in that process. If
there is no GPU process we continue as before and the APZInputBridge
interface implementation is the concrete APZCTreeManager instance
in the UI process.
The main changes in this patch are moving all the code associated with
these messages out of APZCTreeManager{Parent,Child} and into
APZInputBridge{Parent,Child}. APZCTreeManagerChild now returns an
APZInputBridgeChild instance via InputBridge(), instead of returning
itself. The SetControllerThread call in the GPU process is also updated.
MozReview-Commit-ID: M4AaIW1Q0h
--HG--
extra : rebase_source : e5a8f14e23be34229fe80a47f6789d19b19e0a9f
87 lines
2.7 KiB
C++
87 lines
2.7 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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include PBrowserOrId;
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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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//
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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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OriginAttributes 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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// 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 showAccelerators;
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UIStateChangeType showFocusRings;
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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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// 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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JSPluginFrameIPCTabContext;
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UnsafeIPCTabContext;
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};
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}
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}
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