зеркало из https://github.com/mozilla/gecko-dev.git
69 строки
1.7 KiB
C++
69 строки
1.7 KiB
C++
/* 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 mozilla_ShortcutKeys_h
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#define mozilla_ShortcutKeys_h
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#include "nsIObserver.h"
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class nsAtom;
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namespace mozilla {
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class KeyEventHandler;
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class WidgetKeyboardEvent;
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typedef struct {
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const char16_t* event;
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const char16_t* keycode;
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const char16_t* key;
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const char16_t* modifiers;
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const char16_t* command;
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} ShortcutKeyData;
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enum class HandlerType {
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eInput,
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eTextArea,
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eBrowser,
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eEditor,
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};
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class ShortcutKeys : public nsIObserver {
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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// Returns a pointer to the first handler for the given type.
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static KeyEventHandler* GetHandlers(HandlerType aType);
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// Gets the event type for a widget keyboard event.
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static nsAtom* ConvertEventToDOMEventType(
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const WidgetKeyboardEvent* aWidgetKeyboardEvent);
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protected:
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ShortcutKeys();
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virtual ~ShortcutKeys();
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// Returns a pointer to the first handler for the given type.
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KeyEventHandler* EnsureHandlers(HandlerType aType);
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// Maintains a strong reference to the only instance.
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static StaticRefPtr<ShortcutKeys> sInstance;
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// Shortcut keys for different elements.
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static ShortcutKeyData sBrowserHandlers[];
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static ShortcutKeyData sEditorHandlers[];
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static ShortcutKeyData sInputHandlers[];
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static ShortcutKeyData sTextAreaHandlers[];
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// Cached event handlers generated from the above data.
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KeyEventHandler* mBrowserHandlers;
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KeyEventHandler* mEditorHandlers;
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KeyEventHandler* mInputHandlers;
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KeyEventHandler* mTextAreaHandlers;
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};
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} // namespace mozilla
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#endif // #ifndef mozilla_ShortcutKeys_h
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