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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "views/background.h" | |
| 6 | |
| 7 #include "base/logging.h" | |
| 8 #include "skia/ext/skia_utils_win.h" | |
| 9 #include "third_party/skia/include/core/SkPaint.h" | |
| 10 #include "ui/gfx/canvas_skia.h" | |
| 11 #include "ui/gfx/color_utils.h" | |
| 12 #include "ui/views/view.h" | |
| 13 #include "views/painter.h" | |
| 14 | |
| 15 namespace views { | |
| 16 | |
| 17 // SolidBackground is a trivial Background implementation that fills the | |
| 18 // background in a solid color. | |
| 19 class SolidBackground : public Background { | |
| 20 public: | |
| 21 explicit SolidBackground(const SkColor& color) { | |
| 22 SetNativeControlColor(color); | |
| 23 } | |
| 24 | |
| 25 void Paint(gfx::Canvas* canvas, View* view) const { | |
| 26 // Fill the background. Note that we don't constrain to the bounds as | |
| 27 // canvas is already clipped for us. | |
| 28 canvas->GetSkCanvas()->drawColor(get_color()); | |
| 29 } | |
| 30 | |
| 31 private: | |
| 32 DISALLOW_COPY_AND_ASSIGN(SolidBackground); | |
| 33 }; | |
| 34 | |
| 35 class BackgroundPainter : public Background { | |
| 36 public: | |
| 37 BackgroundPainter(bool owns_painter, Painter* painter) | |
| 38 : owns_painter_(owns_painter), painter_(painter) { | |
| 39 DCHECK(painter); | |
| 40 } | |
| 41 | |
| 42 virtual ~BackgroundPainter() { | |
| 43 if (owns_painter_) | |
| 44 delete painter_; | |
| 45 } | |
| 46 | |
| 47 | |
| 48 void Paint(gfx::Canvas* canvas, View* view) const { | |
| 49 Painter::PaintPainterAt(0, 0, view->width(), view->height(), canvas, | |
| 50 painter_); | |
| 51 } | |
| 52 | |
| 53 private: | |
| 54 bool owns_painter_; | |
| 55 Painter* painter_; | |
| 56 | |
| 57 DISALLOW_COPY_AND_ASSIGN(BackgroundPainter); | |
| 58 }; | |
| 59 | |
| 60 Background::Background() | |
| 61 : color_(SK_ColorWHITE) | |
| 62 #if defined(OS_WIN) | |
| 63 , native_control_brush_(NULL) | |
| 64 #endif | |
| 65 { | |
| 66 } | |
| 67 | |
| 68 Background::~Background() { | |
| 69 #if defined(OS_WIN) | |
| 70 DeleteObject(native_control_brush_); | |
| 71 #endif | |
| 72 } | |
| 73 | |
| 74 void Background::SetNativeControlColor(SkColor color) { | |
| 75 color_ = color; | |
| 76 #if defined(OS_WIN) | |
| 77 DeleteObject(native_control_brush_); | |
| 78 native_control_brush_ = NULL; | |
| 79 #endif | |
| 80 } | |
| 81 | |
| 82 #if defined(OS_WIN) | |
| 83 HBRUSH Background::GetNativeControlBrush() const { | |
| 84 if (!native_control_brush_) | |
| 85 native_control_brush_ = CreateSolidBrush(skia::SkColorToCOLORREF(color_)); | |
| 86 return native_control_brush_; | |
| 87 } | |
| 88 #endif | |
| 89 | |
| 90 //static | |
| 91 Background* Background::CreateSolidBackground(const SkColor& color) { | |
| 92 return new SolidBackground(color); | |
| 93 } | |
| 94 | |
| 95 //static | |
| 96 Background* Background::CreateStandardPanelBackground() { | |
| 97 return CreateVerticalGradientBackground(SkColorSetRGB(246, 250, 255), | |
| 98 SkColorSetRGB(219, 235, 255)); | |
| 99 } | |
| 100 | |
| 101 //static | |
| 102 Background* Background::CreateVerticalGradientBackground( | |
| 103 const SkColor& color1, const SkColor& color2) { | |
| 104 Background* background = CreateBackgroundPainter( | |
| 105 true, Painter::CreateVerticalGradient(color1, color2)); | |
| 106 background->SetNativeControlColor( | |
| 107 color_utils::AlphaBlend(color1, color2, 128)); | |
| 108 | |
| 109 return background; | |
| 110 } | |
| 111 | |
| 112 //static | |
| 113 Background* Background::CreateBackgroundPainter(bool owns_painter, | |
| 114 Painter* painter) { | |
| 115 return new BackgroundPainter(owns_painter, painter); | |
| 116 } | |
| 117 | |
| 118 } // namespace views | |
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Chromium Code Reviews
Issue 8771006:
views: Move the remaining file from views/ to ui/views/. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src