2012-07-24 19:01:09 +00:00
|
|
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
|
|
|
* vim: sw=2 ts=8 et :
|
|
|
|
|
*/
|
|
|
|
|
/* 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 mozilla_WidgetUtils_h
|
|
|
|
|
#define mozilla_WidgetUtils_h
|
|
|
|
|
|
2014-10-23 17:16:45 +00:00
|
|
|
#include "mozilla/EventForwards.h"
|
2014-01-16 07:22:19 +00:00
|
|
|
#include "mozilla/gfx/Matrix.h"
|
2014-10-23 17:16:45 +00:00
|
|
|
#include "nsCOMPtr.h"
|
|
|
|
|
#include "nsIDOMWindow.h"
|
|
|
|
|
#include "nsIWidget.h"
|
|
|
|
|
#include "nsPIDOMWindow.h"
|
|
|
|
|
#include "nsRect.h"
|
2012-07-24 19:01:09 +00:00
|
|
|
|
|
|
|
|
namespace mozilla {
|
|
|
|
|
|
|
|
|
|
// NB: these must match up with pseudo-enum in nsIScreen.idl.
|
|
|
|
|
enum ScreenRotation {
|
|
|
|
|
ROTATION_0 = 0,
|
|
|
|
|
ROTATION_90,
|
|
|
|
|
ROTATION_180,
|
|
|
|
|
ROTATION_270,
|
|
|
|
|
|
|
|
|
|
ROTATION_COUNT
|
|
|
|
|
};
|
|
|
|
|
|
2014-01-16 07:22:19 +00:00
|
|
|
gfx::Matrix ComputeTransformForRotation(const nsIntRect& aBounds,
|
|
|
|
|
ScreenRotation aRotation);
|
2012-07-24 19:01:09 +00:00
|
|
|
|
2014-09-30 20:20:48 +00:00
|
|
|
gfx::Matrix ComputeTransformForUnRotation(const nsIntRect& aBounds,
|
|
|
|
|
ScreenRotation aRotation);
|
|
|
|
|
|
|
|
|
|
nsIntRect RotateRect(nsIntRect aRect,
|
|
|
|
|
const nsIntRect& aBounds,
|
|
|
|
|
ScreenRotation aRotation);
|
|
|
|
|
|
2014-10-23 17:16:45 +00:00
|
|
|
namespace widget {
|
|
|
|
|
|
|
|
|
|
class WidgetUtils
|
|
|
|
|
{
|
|
|
|
|
public:
|
2015-02-19 06:50:19 +00:00
|
|
|
/**
|
|
|
|
|
* Shutdown() is called when "xpcom-will-shutdown" is notified. This is
|
|
|
|
|
* useful when you need to observe the notification in XP level code under
|
|
|
|
|
* widget.
|
|
|
|
|
*/
|
|
|
|
|
static void Shutdown();
|
2014-10-23 17:16:45 +00:00
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Starting at the docshell item for the passed in DOM window this looks up
|
|
|
|
|
* the docshell tree until it finds a docshell item that has a widget.
|
|
|
|
|
*/
|
|
|
|
|
static already_AddRefed<nsIWidget> DOMWindowToWidget(nsIDOMWindow *aDOMWindow);
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Compute our keyCode value (NS_VK_*) from an ASCII character.
|
|
|
|
|
*/
|
|
|
|
|
static uint32_t ComputeKeyCodeFromChar(uint32_t aCharCode);
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Get unshifted charCode and shifted charCode for aKeyCode if the keyboad
|
|
|
|
|
* layout is a Latin keyboard layout.
|
|
|
|
|
*
|
|
|
|
|
* @param aKeyCode Our keyCode (NS_VK_*).
|
|
|
|
|
* @param aIsCapsLock TRUE if CapsLock is Locked. Otherwise, FALSE.
|
|
|
|
|
* This is used only when aKeyCode is NS_VK_[0-9].
|
|
|
|
|
* @param aUnshiftedCharCode CharCode for aKeyCode without Shift key.
|
|
|
|
|
* This may be zero if aKeyCode key doesn't input
|
|
|
|
|
* a Latin character.
|
|
|
|
|
* Note that must not be nullptr.
|
|
|
|
|
* @param aShiftedCharCode CharCode for aKeyCOde with Shift key.
|
|
|
|
|
* This is always 0 when aKeyCode isn't
|
|
|
|
|
* NS_VK_[A-Z].
|
|
|
|
|
* Note that must not be nullptr.
|
|
|
|
|
*/
|
|
|
|
|
static void GetLatinCharCodeForKeyCode(uint32_t aKeyCode,
|
|
|
|
|
bool aIsCapsLock,
|
|
|
|
|
uint32_t* aUnshiftedCharCode,
|
|
|
|
|
uint32_t* aShiftedCharCode);
|
2015-05-08 01:29:00 +00:00
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Does device have touch support
|
|
|
|
|
*/
|
|
|
|
|
static uint32_t IsTouchDeviceSupportPresent();
|
2014-10-23 17:16:45 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
} // namespace widget
|
2012-07-24 19:01:09 +00:00
|
|
|
} // namespace mozilla
|
|
|
|
|
|
|
|
|
|
#endif // mozilla_WidgetUtils_h
|
