The Tor Browser / file comparison
comparison: widget/shared/WidgetUtils.h
widget/shared/WidgetUtils.h
- branch
- TOR_BUG_9701
- changeset 9
- a63d609f5ebe
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| -1:000000000000 | 0:5d0b8ce2d843 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * | |
| 3 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef __mozilla_widget_WidgetUtils_h__ | |
| 8 #define __mozilla_widget_WidgetUtils_h__ | |
| 9 | |
| 10 #include "nsCOMPtr.h" | |
| 11 #include "nsIWidget.h" | |
| 12 #include "nsPIDOMWindow.h" | |
| 13 #include "nsIDOMWindow.h" | |
| 14 #include "mozilla/EventForwards.h" | |
| 15 | |
| 16 namespace mozilla { | |
| 17 namespace widget { | |
| 18 | |
| 19 class WidgetUtils | |
| 20 { | |
| 21 public: | |
| 22 | |
| 23 /** | |
| 24 * Starting at the docshell item for the passed in DOM window this looks up | |
| 25 * the docshell tree until it finds a docshell item that has a widget. | |
| 26 */ | |
| 27 static already_AddRefed<nsIWidget> DOMWindowToWidget(nsIDOMWindow *aDOMWindow); | |
| 28 | |
| 29 /** | |
| 30 * Compute our keyCode value (NS_VK_*) from an ASCII character. | |
| 31 */ | |
| 32 static uint32_t ComputeKeyCodeFromChar(uint32_t aCharCode); | |
| 33 | |
| 34 /** | |
| 35 * Get unshifted charCode and shifted charCode for aKeyCode if the keyboad | |
| 36 * layout is a Latin keyboard layout. | |
| 37 * | |
| 38 * @param aKeyCode Our keyCode (NS_VK_*). | |
| 39 * @param aIsCapsLock TRUE if CapsLock is Locked. Otherwise, FALSE. | |
| 40 * This is used only when aKeyCode is NS_VK_[0-9]. | |
| 41 * @param aUnshiftedCharCode CharCode for aKeyCode without Shift key. | |
| 42 * This may be zero if aKeyCode key doesn't input | |
| 43 * a Latin character. | |
| 44 * Note that must not be nullptr. | |
| 45 * @param aShiftedCharCode CharCode for aKeyCOde with Shift key. | |
| 46 * This is always 0 when aKeyCode isn't | |
| 47 * NS_VK_[A-Z]. | |
| 48 * Note that must not be nullptr. | |
| 49 */ | |
| 50 static void GetLatinCharCodeForKeyCode(uint32_t aKeyCode, | |
| 51 bool aIsCapsLock, | |
| 52 uint32_t* aUnshiftedCharCode, | |
| 53 uint32_t* aShiftedCharCode); | |
| 54 | |
| 55 /** | |
| 56 * GetDeadKeyNameIndex() returns a key name index for dead key or | |
| 57 * "Unidentified". This method can return the index from non-combining | |
| 58 * unicode character, e.g., '`' returns KEY_NAME_INDEX_DeadGrave. | |
| 59 * So, you cannot use this method for checking if the char is a dead char. | |
| 60 */ | |
| 61 static KeyNameIndex GetDeadKeyNameIndex(char16_t aChar); | |
| 62 }; | |
| 63 | |
| 64 } // namespace widget | |
| 65 } // namespace mozilla | |
| 66 | |
| 67 #endif |
