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123 lines
4.0 KiB
C++
123 lines
4.0 KiB
C++
/*
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* Copyright (C) 2010 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SKY_ENGINE_PUBLIC_PLATFORM_WEBFALLBACKTHEMEENGINE_H_
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#define SKY_ENGINE_PUBLIC_PLATFORM_WEBFALLBACKTHEMEENGINE_H_
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#include "sky/engine/public/platform/WebCanvas.h"
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#include "sky/engine/public/platform/WebColor.h"
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#include "sky/engine/public/platform/WebSize.h"
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namespace blink {
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struct WebRect;
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class WebFallbackThemeEngine {
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public:
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// The UI part which is being accessed.
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enum Part {
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// RenderTheme parts
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PartCheckbox,
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PartRadio,
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PartButton,
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PartMenuList,
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PartSliderTrack,
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PartSliderThumb,
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PartInnerSpinButton,
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PartProgressBar
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};
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// The current state of the associated Part.
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enum State {
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StateDisabled,
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StateHover,
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StateNormal,
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StatePressed,
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};
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// Extra parameters for PartCheckbox, PartPushButton and PartRadio.
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struct ButtonExtraParams {
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bool checked;
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bool indeterminate; // Whether the button state is indeterminate.
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bool isDefault; // Whether the button is default button.
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bool hasBorder;
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WebColor backgroundColor;
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};
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// Extra parameters for PartMenuList
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struct MenuListExtraParams {
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bool hasBorder;
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bool hasBorderRadius;
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int arrowX;
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int arrowY;
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WebColor backgroundColor;
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};
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// Extra parameters for PartSliderTrack and PartSliderThumb
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struct SliderExtraParams {
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bool vertical;
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bool inDrag;
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};
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// Extra parameters for PartInnerSpinButton
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struct InnerSpinButtonExtraParams {
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bool spinUp;
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bool readOnly;
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};
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// Extra parameters for PartProgressBar
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struct ProgressBarExtraParams {
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bool determinate;
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int valueRectX;
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int valueRectY;
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int valueRectWidth;
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int valueRectHeight;
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};
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union ExtraParams {
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ButtonExtraParams button;
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MenuListExtraParams menuList;
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SliderExtraParams slider;
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InnerSpinButtonExtraParams innerSpin;
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ProgressBarExtraParams progressBar;
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};
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// Gets the size of the given theme part. For variable sized items
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// like vertical scrollbar thumbs, the width will be the required width of
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// the track while the height will be the minimum height.
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virtual WebSize getSize(Part) { return WebSize(); }
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// Paint the given the given theme part.
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virtual void paint(WebCanvas*, Part, State, const WebRect&, const ExtraParams*) { }
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};
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} // namespace blink
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#endif // SKY_ENGINE_PUBLIC_PLATFORM_WEBFALLBACKTHEMEENGINE_H_
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