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/*
* Copyright (C) 2009 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 WebWidgetClient_h
#define WebWidgetClient_h
#include "WebCommon.h"
#include "WebNavigationPolicy.h"
#include "WebRect.h"
#include "WebScreenInfo.h"
namespace WebKit {
class WebWidget;
struct WebCursorInfo;
class WebWidgetClient {
public:
// Called when a region of the WebWidget needs to be re-painted.
virtual void didInvalidateRect(const WebRect&) { }
// Called when a region of the WebWidget, given by clipRect, should be
// scrolled by the specified dx and dy amounts.
virtual void didScrollRect(int dx, int dy, const WebRect& clipRect) { }
// Called when the compositor enables or disables.
virtual void didActivateAcceleratedCompositing(bool active) { }
// Called when a call to WebWidget::composite is required
virtual void scheduleComposite() { }
// Called when the widget acquires or loses focus, respectively.
virtual void didFocus() { }
virtual void didBlur() { }
// Called when the cursor for the widget changes.
virtual void didChangeCursor(const WebCursorInfo&) { }
// Called when the widget should be closed. WebWidget::close() should
// be called asynchronously as a result of this notification.
virtual void closeWidgetSoon() { }
// Called to show the widget according to the given policy.
virtual void show(WebNavigationPolicy) { }
// Called to block execution of the current thread until the widget is
// closed.
virtual void runModal() { }
// Called to get/set the position of the widget in screen coordinates.
virtual WebRect windowRect() { return WebRect(); }
virtual void setWindowRect(const WebRect&) { }
// Called to get the position of the resizer rect in window coordinates.
virtual WebRect windowResizerRect() { return WebRect(); }
// Called to get the position of the root window containing the widget
// in screen coordinates.
virtual WebRect rootWindowRect() { return WebRect(); }
// Called to query information about the screen where this widget is
// displayed.
virtual WebScreenInfo screenInfo() { return WebScreenInfo(); }
// When this method gets called, WebWidgetClient implementation should
// reset the input method by cancelling any ongoing composition.
virtual void resetInputMethod() { }
protected:
~WebWidgetClient() { }
};
} // namespace WebKit
#endif
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