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/*
* Copyright (C) 2008-2020 Apple 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:
* 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. ``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
* 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 "GraphicsClient.h"
#include "Widget.h"
#include <wtf/TZoneMallocInlines.h>
#if PLATFORM(IOS_FAMILY)
OBJC_CLASS NSData;
#endif
namespace WebCore {
class Cursor;
using FramesPerSecond = unsigned;
class HostWindow : public GraphicsClient {
WTF_MAKE_TZONE_ALLOCATED_INLINE(HostWindow);
WTF_MAKE_NONCOPYABLE(HostWindow);
public:
HostWindow() = default;
virtual ~HostWindow() = default;
// Requests the host invalidate the root view, not the contents.
virtual void invalidateRootView(const IntRect& updateRect) = 0;
// Requests the host invalidate the contents and the root view.
virtual void invalidateContentsAndRootView(const IntRect& updateRect) = 0;
// Requests the host scroll backingstore by the specified delta, rect to scroll, and clip rect.
virtual void scroll(const IntSize& scrollDelta, const IntRect& rectToScroll, const IntRect& clipRect) = 0;
// Requests the host invalidate the contents, not the root view. This is the slow path for scrolling.
virtual void invalidateContentsForSlowScroll(const IntRect& updateRect) = 0;
// Methods for doing coordinate conversions to and from screen coordinates.
virtual IntPoint screenToRootView(const IntPoint&) const = 0;
virtual IntPoint rootViewToScreen(const IntPoint&) const = 0;
virtual IntRect rootViewToScreen(const IntRect&) const = 0;
virtual IntPoint accessibilityScreenToRootView(const IntPoint&) const = 0;
virtual IntRect rootViewToAccessibilityScreen(const IntRect&) const = 0;
#if PLATFORM(IOS_FAMILY)
virtual void relayAccessibilityNotification(const String&, const RetainPtr<NSData>&) const = 0;
#endif
// Method for retrieving the native client of the page.
virtual PlatformPageClient platformPageClient() const = 0;
// Request that the cursor change.
virtual void setCursor(const Cursor&) = 0;
virtual void setCursorHiddenUntilMouseMoves(bool) = 0;
virtual void windowScreenDidChange(PlatformDisplayID, std::optional<FramesPerSecond> nominalFramesPerSecond) = 0;
virtual FloatSize screenSize() const = 0;
virtual FloatSize availableScreenSize() const = 0;
virtual FloatSize overrideScreenSize() const = 0;
virtual FloatSize overrideAvailableScreenSize() const = 0;
};
} // namespace WebCore
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