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/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_PAGE_PAGE_WIDGET_DELEGATE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_PAGE_PAGE_WIDGET_DELEGATE_H_
#include "third_party/blink/public/platform/web_coalesced_input_event.h"
#include "third_party/blink/public/web/web_widget.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
namespace blink {
class LocalFrame;
class Page;
class WebGestureEvent;
class WebInputEvent;
class WebKeyboardEvent;
class WebMouseEvent;
class WebMouseWheelEvent;
class WebPointerEvent;
class CORE_EXPORT PageWidgetEventHandler {
public:
virtual void HandleMouseMove(LocalFrame& main_frame,
const WebMouseEvent&,
const WebVector<const WebInputEvent*>&,
const WebVector<const WebInputEvent*>&);
virtual void HandleMouseLeave(LocalFrame& main_frame, const WebMouseEvent&);
virtual void HandleMouseDown(LocalFrame& main_frame, const WebMouseEvent&);
virtual WebInputEventResult HandleMouseUp(LocalFrame& main_frame,
const WebMouseEvent&);
virtual WebInputEventResult HandleMouseWheel(LocalFrame& main_frame,
const WebMouseWheelEvent&);
virtual WebInputEventResult HandleKeyEvent(const WebKeyboardEvent&) = 0;
virtual WebInputEventResult HandleCharEvent(const WebKeyboardEvent&) = 0;
virtual WebInputEventResult HandleGestureEvent(const WebGestureEvent&) = 0;
virtual WebInputEventResult HandlePointerEvent(
LocalFrame& main_frame,
const WebPointerEvent&,
const WebVector<const WebInputEvent*>&,
const WebVector<const WebInputEvent*>&);
virtual ~PageWidgetEventHandler() {}
};
// Common implementation of WebViewImpl and WebPagePopupImpl.
class CORE_EXPORT PageWidgetDelegate {
STATIC_ONLY(PageWidgetDelegate);
public:
static void Animate(Page&, base::TimeTicks monotonic_frame_begin_time);
static void PostAnimate(Page&);
// For the following methods, the |root| argument indicates a root LocalFrame
// from which to start performing the specified operation.
// See comment of WebWidget::UpdateLifecycle.
static void UpdateLifecycle(Page&,
LocalFrame& root,
WebLifecycleUpdate requested_update,
DocumentUpdateReason reason);
// See comment of WebWidget::DidBeginFrame.
static void DidBeginFrame(LocalFrame& root);
// See FIXME in the function body about nullptr |root|.
static WebInputEventResult HandleInputEvent(
PageWidgetEventHandler&,
const WebCoalescedInputEvent& coalesced_event,
LocalFrame* root);
};
} // namespace blink
#endif
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