87 lines
2.0 KiB
C++
87 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim:expandtab:shiftwidth=2:tabstop=2:
|
|
*/
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef nsWinUtils_h_
|
|
#define nsWinUtils_h_
|
|
|
|
#include <windows.h>
|
|
|
|
#include "nsIDOMCSSStyleDeclaration.h"
|
|
#include "nsCOMPtr.h"
|
|
|
|
class nsIContent;
|
|
|
|
namespace mozilla {
|
|
namespace a11y {
|
|
|
|
class DocAccessible;
|
|
|
|
const LPCWSTR kClassNameRoot = L"MozillaUIWindowClass";
|
|
const LPCWSTR kClassNameTabContent = L"MozillaContentWindowClass";
|
|
const LPCWSTR kPropNameDocAcc = L"MozDocAccessible";
|
|
|
|
class nsWinUtils
|
|
{
|
|
public:
|
|
/**
|
|
* Return computed styles declaration for the given node.
|
|
*
|
|
* @note Please use it carefully since it can shutdown the accessible tree
|
|
* you operate on.
|
|
*/
|
|
static already_AddRefed<nsIDOMCSSStyleDeclaration>
|
|
GetComputedStyleDeclaration(nsIContent* aContent);
|
|
|
|
/**
|
|
* Start window emulation if presence of specific AT is detected.
|
|
*/
|
|
static bool MaybeStartWindowEmulation();
|
|
|
|
/**
|
|
* Free resources used for window emulation.
|
|
*/
|
|
static void ShutdownWindowEmulation();
|
|
|
|
/**
|
|
* Return true if window emulation is started.
|
|
*/
|
|
static bool IsWindowEmulationStarted() { return sWindowEmulationStarted; }
|
|
|
|
/**
|
|
* Helper to register window class.
|
|
*/
|
|
static void RegisterNativeWindow(LPCWSTR aWindowClass);
|
|
|
|
/**
|
|
* Helper to create a window.
|
|
*/
|
|
static HWND CreateNativeWindow(LPCWSTR aWindowClass, HWND aParentWnd,
|
|
int aX, int aY, int aWidth, int aHeight,
|
|
bool aIsActive);
|
|
|
|
/**
|
|
* Helper to show window.
|
|
*/
|
|
static void ShowNativeWindow(HWND aWnd);
|
|
|
|
/**
|
|
* Helper to hide window.
|
|
*/
|
|
static void HideNativeWindow(HWND aWnd);
|
|
|
|
private:
|
|
/**
|
|
* Flag that indicates if window emulation is started.
|
|
*/
|
|
static bool sWindowEmulationStarted;
|
|
};
|
|
|
|
} // namespace a11y
|
|
} // namespace mozilla
|
|
|
|
#endif
|