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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_ACCESSIBILITY_ACCESSIBILITY_EVENT_REWRITER_DELEGATE_IMPL_H_
#define CHROME_BROWSER_ASH_ACCESSIBILITY_ACCESSIBILITY_EVENT_REWRITER_DELEGATE_IMPL_H_
#include <memory>
#include "ash/public/cpp/accessibility_event_rewriter_delegate.h"
#include "content/public/browser/web_contents_delegate.h"
#include "ui/gfx/geometry/point_f.h"
namespace ash {
enum class MagnifierCommand;
enum class SwitchAccessCommand;
// Passes key events from Ash's EventRewriter to accessibility component
// extension code. Used by ChromeVox and Switch Access. Reports ChromeVox's
// unhandled key events back to Ash for continued dispatch.
// TODO(http://crbug.com/839541): Avoid reposting unhandled events.
class AccessibilityEventRewriterDelegateImpl
: public AccessibilityEventRewriterDelegate,
public content::WebContentsDelegate {
public:
AccessibilityEventRewriterDelegateImpl();
AccessibilityEventRewriterDelegateImpl(
const AccessibilityEventRewriterDelegateImpl&) = delete;
AccessibilityEventRewriterDelegateImpl& operator=(
const AccessibilityEventRewriterDelegateImpl&) = delete;
~AccessibilityEventRewriterDelegateImpl() override;
// AccessibilityEventRewriterDelegate:
void DispatchKeyEventToChromeVox(std::unique_ptr<ui::Event> event,
bool capture) override;
void DispatchMouseEvent(std::unique_ptr<ui::Event> event) override;
void SendSwitchAccessCommand(SwitchAccessCommand command) override;
void SendPointScanPoint(const gfx::PointF& point) override;
void SendMagnifierCommand(MagnifierCommand command) override;
private:
// Reports unhandled key events to the EventRewriterController for dispatch.
void OnUnhandledSpokenFeedbackEvent(std::unique_ptr<ui::Event> event) const;
// WebContentsDelegate:
bool HandleKeyboardEvent(content::WebContents* source,
const input::NativeWebKeyboardEvent& event) override;
};
} // namespace ash
#endif // CHROME_BROWSER_ASH_ACCESSIBILITY_ACCESSIBILITY_EVENT_REWRITER_DELEGATE_IMPL_H_
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