forked from mirrors/gecko-dev
680815cd6e
This patch was generated automatically by the "modeline.py" script, available here: https://github.com/amccreight/moz-source-tools/blob/master/modeline.py For every file that is modified in this patch, the changes are as follows: (1) The patch changes the file to use the exact C++ mode lines from the Mozilla coding style guide, available here: https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide/Coding_Style#Mode_Line (2) The patch deletes any blank lines between the mode line & the MPL boilerplate comment. (3) If the file previously had the mode lines and MPL boilerplate in a single contiguous C++ comment, then the patch splits them into separate C++ comments, to match the boilerplate in the coding style. MozReview-Commit-ID: EuRsDue63tK --HG-- extra : rebase_source : 3356d4b80ff6213935192e87cdbc9103fec6084c
41 lines
1.2 KiB
C++
41 lines
1.2 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* interface for rendering objects whose state is saved in
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* session-history (back-forward navigation)
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*/
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#ifndef _nsIStatefulFrame_h
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#define _nsIStatefulFrame_h
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#include "nsContentUtils.h"
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#include "nsQueryFrame.h"
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class nsPresState;
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class nsIStatefulFrame
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{
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public:
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NS_DECL_QUERYFRAME_TARGET(nsIStatefulFrame)
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// Save the state for this frame. If this method succeeds, the caller is
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// responsible for deleting the resulting state when done with it.
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NS_IMETHOD SaveState(nsPresState** aState) = 0;
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// Restore the state for this frame from aState
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NS_IMETHOD RestoreState(nsPresState* aState) = 0;
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// Generate a key for this stateful frame
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NS_IMETHOD GenerateStateKey(nsIContent* aContent,
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nsIDocument* aDocument,
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nsACString& aKey)
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{
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return nsContentUtils::GenerateStateKey(aContent, aDocument, aKey);
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};
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};
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#endif /* _nsIStatefulFrame_h */
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