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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_EVENTS_KEYBOARD_DRIVEN_EVENT_REWRITER_H_
#define ASH_EVENTS_KEYBOARD_DRIVEN_EVENT_REWRITER_H_
#include "ash/ash_export.h"
#include "ui/events/event_rewriter.h"
namespace ash {
// KeyboardDrivenEventRewriter removes the modifier flags from
// Shift+<Arrow keys|Enter|F6> key events. This mapping only happens
// on login screen and only when the keyboard driven oobe is enabled.
class ASH_EXPORT KeyboardDrivenEventRewriter : public ui::EventRewriter {
public:
KeyboardDrivenEventRewriter();
KeyboardDrivenEventRewriter(const KeyboardDrivenEventRewriter&) = delete;
KeyboardDrivenEventRewriter& operator=(const KeyboardDrivenEventRewriter&) =
delete;
~KeyboardDrivenEventRewriter() override;
// Calls Rewrite for testing.
ui::EventDispatchDetails RewriteForTesting(const ui::Event& event,
const Continuation continuation);
// EventRewriter overrides:
ui::EventDispatchDetails RewriteEvent(
const ui::Event& event,
const Continuation continuation) override;
void set_enabled(bool enabled) { enabled_ = enabled; }
void set_arrow_to_tab_rewriting_enabled(bool enabled) {
arrow_to_tab_rewriting_enabled_ = enabled;
}
private:
ui::EventDispatchDetails Rewrite(const ui::Event& event,
const Continuation continuation);
// If true, this rewriter is enabled. It is only active before user login.
bool enabled_ = false;
// If true, Shift + Arrow keys are rewritten to Tab/Shift-Tab keys.
// This only applies when the KeyboardDrivenEventRewriter is active.
bool arrow_to_tab_rewriting_enabled_ = false;
};
} // namespace ash
#endif // ASH_EVENTS_KEYBOARD_DRIVEN_EVENT_REWRITER_H_
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