blob: 535081a1c0920369a3d2e7af2a642e1a206f9566 [file] [log] [blame]
/*
* Copyright (C) 2018 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <memory>
#include <wpe/wpe.h>
#if defined(ENABLE_ACCESSIBILITY) && ENABLE_ACCESSIBILITY
typedef struct _AtkObject AtkObject;
#endif
namespace WPEToolingBackends {
class ViewBackend {
public:
virtual ~ViewBackend();
virtual struct wpe_view_backend* backend() const = 0;
class InputClient {
public:
virtual ~InputClient() = default;
virtual bool dispatchPointerEvent(struct wpe_input_pointer_event*) { return false; }
virtual bool dispatchAxisEvent(struct wpe_input_axis_event*) { return false; }
virtual bool dispatchKeyboardEvent(struct wpe_input_keyboard_event*) { return false; }
virtual bool dispatchTouchEvent(struct wpe_input_touch_event*) { return false; }
};
void setInputClient(std::unique_ptr<InputClient>&&);
#if defined(ENABLE_ACCESSIBILITY) && ENABLE_ACCESSIBILITY
void setAccessibleChild(AtkObject*);
#endif
void addActivityState(uint32_t);
void removeActivityState(uint32_t);
protected:
ViewBackend(uint32_t width, uint32_t height);
void initializeAccessibility();
void updateAccessibilityState(uint32_t);
#if defined(ENABLE_ACCESSIBILITY) && ENABLE_ACCESSIBILITY
static void notifyAccessibilityKeyEventListeners(struct wpe_input_keyboard_event* event);
#endif
void dispatchInputPointerEvent(struct wpe_input_pointer_event*);
void dispatchInputAxisEvent(struct wpe_input_axis_event*);
void dispatchInputKeyboardEvent(struct wpe_input_keyboard_event*);
void dispatchInputTouchEvent(struct wpe_input_touch_event*);
uint32_t m_width { 0 };
uint32_t m_height { 0 };
std::unique_ptr<InputClient> m_inputClient;
};
} // namespace WPEToolingBackends