--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKitTools/DumpRenderTree/chromium/WebThemeControlDRT.h Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,203 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+// WebThemeControlDRT implements the generic rendering of controls
+// needed by WebThemeEngineDRT. See the comments in that class
+// header file for why this class is needed and used.
+//
+// This class implements a generic set of widgets using Skia. The widgets
+// are optimized for testability, not a pleasing appearance.
+//
+
+#ifndef WebThemeControlDRT_h
+#define WebThemeControlDRT_h
+
+#include "skia/ext/platform_canvas.h"
+#include "third_party/skia/include/core/SkColor.h"
+#include <wtf/Noncopyable.h>
+
+// Skia forward declarations
+struct SkIRect;
+
+class WebThemeControlDRT : public Noncopyable {
+public:
+ // This list of states mostly mirrors the list in WebCore/platform/ThemeTypes.h
+ // but is maintained separately since that isn't public and also to minimize
+ // dependencies.
+ // Note that the WebKit ThemeTypes seem to imply that a control can be
+ // in multiple states simultaneously but WebThemeEngine only allows for
+ // a single state at a time.
+ //
+ // Some definitions for the various states:
+ // Disabled - indicates that a control can't be modified or selected
+ // (corresponds to HTML 'disabled' attribute)
+ // ReadOnly - indicates that a control can't be modified but can be
+ // selected
+ // Normal - the normal state of control on the page when it isn't
+ // focused or otherwise active
+ // Hot - when the mouse is hovering over a part of the control,
+ // all the other parts are considered "hot"
+ // Hover - when the mouse is directly over a control (the CSS
+ // :hover pseudo-class)
+ // Focused - when the control has the keyboard focus
+ // Pressed - when the control is being triggered (by a mousedown or
+ // a key event).
+ // Indeterminate - when set to indeterminate (only for progress bar)
+ enum State {
+ UnknownState = 0,
+ DisabledState,
+ ReadOnlyState,
+ NormalState,
+ HotState,
+ HoverState,
+ FocusedState,
+ PressedState,
+ IndeterminateState
+ };
+
+ // This list of types mostly mirrors the list in
+ // WebCore/platform/ThemeTypes.h but is maintained
+ // separately since that isn't public and also to minimize dependencies.
+ //
+ // Note that what the user might think of as a single control can be
+ // made up of multiple parts. For example, a single scroll bar contains
+ // six clickable parts - two arrows, the "thumb" indicating the current
+ // position on the bar, the other two parts of the bar (before and after
+ // the thumb) and the "gripper" on the thumb itself.
+ //
+ enum Type {
+ UnknownType = 0,
+ TextFieldType,
+ PushButtonType,
+ UncheckedBoxType,
+ CheckedBoxType,
+ IndeterminateCheckboxType,
+ UncheckedRadioType,
+ CheckedRadioType,
+ HorizontalScrollTrackBackType,
+ HorizontalScrollTrackForwardType,
+ HorizontalScrollThumbType,
+ HorizontalScrollGripType,
+ VerticalScrollTrackBackType,
+ VerticalScrollTrackForwardType,
+ VerticalScrollThumbType,
+ VerticalScrollGripType,
+ LeftArrowType,
+ RightArrowType,
+ UpArrowType,
+ DownArrowType,
+ HorizontalSliderTrackType,
+ HorizontalSliderThumbType,
+ DropDownButtonType,
+ ProgressBarType
+ };
+
+ // canvas is the canvas to draw onto, and rect gives the size of the
+ // control. ctype and cstate specify the type and state of the control.
+ WebThemeControlDRT(skia::PlatformCanvas* canvas,
+ const SkIRect& rect,
+ Type ctype,
+ State cstate);
+ ~WebThemeControlDRT();
+
+ // Draws the control.
+ void draw();
+
+ // Use this for TextField controls instead, because the logic
+ // for drawing them is dependent on what WebKit tells us to do.
+ // If drawEdges is true, draw an edge around the control. If
+ // fillContentArea is true, fill the content area with the given color.
+ void drawTextField(bool drawEdges, bool fillContentArea, SkColor color);
+
+ // Use this for drawing ProgressBar controls instead, since we
+ // need to know the rect to fill inside the bar.
+ void drawProgressBar(const SkIRect& fillRect);
+
+private:
+ // Draws a box of size specified by irect, filled with the given color.
+ // The box will have a border drawn in the default edge color.
+ void box(const SkIRect& irect, SkColor color);
+
+
+ // Draws a triangle of size specified by the three pairs of coordinates,
+ // filled with the given color. The box will have an edge drawn in the
+ // default edge color.
+ void triangle(int x0, int y0, int x1, int y1, int x2, int y2, SkColor color);
+
+ // Draws a rectangle the size of the control with rounded corners, filled
+ // with the specified color (and with a border in the default edge color).
+ void roundRect(SkColor color);
+
+ // Draws an oval the size of the control, filled with the specified color
+ // and with a border in the default edge color.
+ void oval(SkColor color);
+
+ // Draws a circle centered in the control with the specified radius,
+ // filled with the specified color, and with a border draw in the
+ // default edge color.
+ void circle(SkScalar radius, SkColor color);
+
+ // Draws a box the size of the control, filled with the outerColor and
+ // with a border in the default edge color, and then draws another box
+ // indented on all four sides by the specified amounts, filled with the
+ // inner color and with a border in the default edge color.
+ void nestedBoxes(int indentLeft,
+ int indentTop,
+ int indentRight,
+ int indentBottom,
+ SkColor outerColor,
+ SkColor innerColor);
+
+ // Draws a line between the two points in the given color.
+ void line(int x0, int y0, int x1, int y1, SkColor color);
+
+ // Draws a distinctive mark on the control for each state, so that the
+ // state of the control can be determined without needing to know which
+ // color is which.
+ void markState();
+
+ skia::PlatformCanvas* m_canvas;
+ const SkIRect m_irect;
+ const Type m_type;
+ const State m_state;
+ const SkColor m_edgeColor;
+ const SkColor m_bgColor;
+ const SkColor m_fgColor;
+
+ // The following are convenience accessors for m_irect.
+ const int m_left;
+ const int m_right;
+ const int m_top;
+ const int m_bottom;
+ const int m_width;
+ const int m_height;
+};
+
+#endif // WebThemeControlDRT_h