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015fb6557b
This was broken by bug 1453979. MozReview-Commit-ID: JtJqICb2vBP --HG-- extra : rebase_source : 90aa93a1591b0d8c0705fd79fdf9a64c5ee15e57
100 lines
3.1 KiB
Plaintext
100 lines
3.1 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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include protocol PFileDescriptorSet;
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include protocol PBrowser;
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using mozilla::a11y::role from "mozilla/a11y/IPCTypes.h";
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using mozilla::a11y::IAccessibleHolder from "mozilla/a11y/IPCTypes.h";
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using mozilla::a11y::IDispatchHolder from "mozilla/a11y/IPCTypes.h";
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using mozilla::WindowsHandle from "ipc/IPCMessageUtils.h";
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using mozilla::LayoutDeviceIntRect from "Units.h";
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namespace mozilla {
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namespace a11y {
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struct AccessibleData
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{
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uint64_t ID;
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int32_t MsaaID;
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role Role;
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uint32_t ChildrenCount;
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uint32_t Interfaces;
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};
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struct ShowEventData
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{
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uint64_t ID;
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uint32_t Idx;
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AccessibleData[] NewTree;
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bool EventSuppressed;
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};
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struct Attribute
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{
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nsCString Name;
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nsString Value;
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};
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sync protocol PDocAccessible
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{
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manager PBrowser;
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parent:
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async Shutdown();
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/*
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* Notify the parent process the document in the child process is firing an
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* event.
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*/
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async Event(uint64_t aID, uint32_t type);
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async ShowEvent(ShowEventData data, bool aFromUser);
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async HideEvent(uint64_t aRootID, bool aFromUser);
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async StateChangeEvent(uint64_t aID, uint64_t aState, bool aEnabled);
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async CaretMoveEvent(uint64_t aID, LayoutDeviceIntRect aCaretRect,
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int32_t aOffset);
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async TextChangeEvent(uint64_t aID, nsString aStr, int32_t aStart, uint32_t aLen,
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bool aIsInsert, bool aFromUser);
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sync SyncTextChangeEvent(uint64_t aID, nsString aStr, int32_t aStart,
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uint32_t aLen, bool aIsInsert, bool aFromUser);
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async SelectionEvent(uint64_t aID, uint64_t aWidgetID, uint32_t aType);
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async RoleChangedEvent(role aRole);
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async FocusEvent(uint64_t aID, LayoutDeviceIntRect aCaretRect);
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/*
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* Tell the parent document to bind the existing document as a new child
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* document.
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*/
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async BindChildDoc(PDocAccessible aChildDoc, uint64_t aID);
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sync GetWindowedPluginIAccessible(WindowsHandle aHwnd)
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returns (IAccessibleHolder aPluginCOMProxy);
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child:
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/**
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* We use IDispatchHolder instead of IAccessibleHolder for the following two
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* methods because of sandboxing. IAccessible::get_accParent returns the parent
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* as an IDispatch. COM is not smart enough to understand that IAccessible is
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* derived from IDispatch, so during marshaling it attempts to QueryInterface
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* on the parent's proxy for IDispatch. This will fail with E_ACCESSDENIED
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* thanks to the sandbox. We can avoid this entirely by just giving content
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* the correct interface to begin with: IDispatch.
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*/
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async ParentCOMProxy(IDispatchHolder aParentCOMProxy);
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async EmulatedWindow(WindowsHandle aEmulatedWindowHandle,
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IDispatchHolder aEmulatedWindowCOMProxy);
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/*
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* Called as a result of focus shifting from chrome to content
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* elements through keyboard navigation.
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*/
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async RestoreFocus();
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async __delete__();
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};
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}
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}
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