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authortfarina@chromium.org <tfarina@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2011-12-01 16:09:33 +0000
committertfarina@chromium.org <tfarina@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2011-12-01 16:09:33 +0000
commit45647af87d1e7e5ed607c6fd82a1ac32a708a725 (patch)
tree258381d5b333c5749616d97c1fe3a6bc4db50e1d /views/background.h
parentab91de22a8a7eef73958b0b4463de89bd7fdbd12 (diff)
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views: Move the remaining file from views/ to ui/views/.
BUG=104039 R=ben@chromium.org TBR=stevenjb@chromium.org Review URL: http://codereview.chromium.org/8771006 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@112469 0039d316-1c4b-4281-b951-d872f2087c98
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-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef VIEWS_BACKGROUND_H_
-#define VIEWS_BACKGROUND_H_
-#pragma once
-
-#include "build/build_config.h"
-
-#if defined(OS_WIN)
-#include <windows.h>
-#endif // defined(OS_WIN)
-
-#include "base/basictypes.h"
-#include "third_party/skia/include/core/SkColor.h"
-#include "views/views_export.h"
-
-namespace gfx {
-class Canvas;
-}
-
-namespace views {
-
-class Painter;
-class View;
-
-/////////////////////////////////////////////////////////////////////////////
-//
-// Background class
-//
-// A background implements a way for views to paint a background. The
-// background can be either solid or based on a gradient. Of course,
-// Background can be subclassed to implement various effects.
-//
-// Any View can have a background. See View::SetBackground() and
-// View::OnPaintBackground()
-//
-/////////////////////////////////////////////////////////////////////////////
-class VIEWS_EXPORT Background {
- public:
- Background();
- virtual ~Background();
-
- // Creates a background that fills the canvas in the specified color.
- static Background* CreateSolidBackground(const SkColor& color);
-
- // Creates a background that fills the canvas in the specified color.
- static Background* CreateSolidBackground(int r, int g, int b) {
- return CreateSolidBackground(SkColorSetRGB(r, g, b));
- }
-
- // Creates a background that fills the canvas in the specified color.
- static Background* CreateSolidBackground(int r, int g, int b, int a) {
- return CreateSolidBackground(SkColorSetARGB(a, r, g, b));
- }
-
- // Creates a background that contains a vertical gradient that varies
- // from |color1| to |color2|
- static Background* CreateVerticalGradientBackground(const SkColor& color1,
- const SkColor& color2);
-
- // Creates Chrome's standard panel background
- static Background* CreateStandardPanelBackground();
-
- // Creates a Background from the specified Painter. If owns_painter is
- // true, the Painter is deleted when the Border is deleted.
- static Background* CreateBackgroundPainter(bool owns_painter,
- Painter* painter);
-
- // Render the background for the provided view
- virtual void Paint(gfx::Canvas* canvas, View* view) const = 0;
-
- // Set a solid, opaque color to be used when drawing backgrounds of native
- // controls. Unfortunately alpha=0 is not an option.
- void SetNativeControlColor(SkColor color);
-
- // Returns the "background color". This is equivalent to the color set in
- // SetNativeControlColor(). For solid backgrounds, this is the color; for
- // gradient backgrounds, it's the midpoint of the gradient; for painter
- // backgrounds, this is not useful (returns a default color).
- SkColor get_color() const { return color_; }
-
-#if defined(OS_WIN)
- // TODO(port): Make GetNativeControlBrush portable (currently uses HBRUSH).
-
- // Get the brush that was specified by SetNativeControlColor
- HBRUSH GetNativeControlBrush() const;
-#endif // defined(OS_WIN)
-
- private:
- SkColor color_;
-#if defined(OS_WIN)
- // TODO(port): Create portable replacement for HBRUSH.
- mutable HBRUSH native_control_brush_;
-#endif // defined(OS_WIN)
-
- DISALLOW_COPY_AND_ASSIGN(Background);
-};
-
-} // namespace views
-
-#endif // VIEWS_BACKGROUND_H_