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86 lines
2.0 KiB
86 lines
2.0 KiB
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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/* vim:expandtab:shiftwidth=2:tabstop=2: |
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*/ |
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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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#ifndef nsWinUtils_h_ |
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#define nsWinUtils_h_ |
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#include <windows.h> |
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#include "nsIDOMCSSStyleDeclaration.h" |
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#include "nsCOMPtr.h" |
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class nsIContent; |
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namespace mozilla { |
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namespace a11y { |
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class DocAccessible; |
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const LPCWSTR kClassNameRoot = L"MozillaUIWindowClass"; |
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const LPCWSTR kClassNameTabContent = L"MozillaContentWindowClass"; |
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const LPCWSTR kPropNameDocAcc = L"MozDocAccessible"; |
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class nsWinUtils |
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{ |
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public: |
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/** |
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* Return computed styles declaration for the given node. |
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* |
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* @note Please use it carefully since it can shutdown the accessible tree |
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* you operate on. |
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*/ |
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static already_AddRefed<nsIDOMCSSStyleDeclaration> |
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GetComputedStyleDeclaration(nsIContent* aContent); |
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/** |
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* Start window emulation if presence of specific AT is detected. |
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*/ |
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static bool MaybeStartWindowEmulation(); |
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/** |
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* Free resources used for window emulation. |
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*/ |
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static void ShutdownWindowEmulation(); |
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/** |
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* Return true if window emulation is started. |
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*/ |
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static bool IsWindowEmulationStarted() { return sWindowEmulationStarted; } |
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/** |
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* Helper to register window class. |
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*/ |
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static void RegisterNativeWindow(LPCWSTR aWindowClass); |
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/** |
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* Helper to create a window. |
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*/ |
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static HWND CreateNativeWindow(LPCWSTR aWindowClass, HWND aParentWnd, |
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int aX, int aY, int aWidth, int aHeight, |
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bool aIsActive); |
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/** |
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* Helper to show window. |
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*/ |
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static void ShowNativeWindow(HWND aWnd); |
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/** |
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* Helper to hide window. |
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*/ |
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static void HideNativeWindow(HWND aWnd); |
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private: |
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/** |
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* Flag that indicates if window emulation is started. |
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*/ |
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static bool sWindowEmulationStarted; |
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}; |
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} // namespace a11y |
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} // namespace mozilla |
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#endif
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