15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/views/background.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "skia/ext/skia_utils_win.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "third_party/skia/include/core/SkPaint.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/canvas.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/color_utils.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/views/painter.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/views/view.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace views { 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// SolidBackground is a trivial Background implementation that fills the 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// background in a solid color. 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SolidBackground : public Background { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit SolidBackground(SkColor color) { 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetNativeControlColor(color); 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void Paint(gfx::Canvas* canvas, View* view) const OVERRIDE { 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Fill the background. Note that we don't constrain to the bounds as 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // canvas is already clipped for us. 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) canvas->DrawColor(get_color()); 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SolidBackground); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class BackgroundPainter : public Background { 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BackgroundPainter(bool owns_painter, Painter* painter) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : owns_painter_(owns_painter), painter_(painter) { 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(painter); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~BackgroundPainter() { 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (owns_painter_) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delete painter_; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void Paint(gfx::Canvas* canvas, View* view) const OVERRIDE { 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Painter::PaintPainterAt(canvas, painter_, view->GetLocalBounds()); 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool owns_painter_; 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Painter* painter_; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(BackgroundPainter); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Background::Background() 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : color_(SK_ColorWHITE) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) , native_control_brush_(NULL) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Background::~Background() { 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DeleteObject(native_control_brush_); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void Background::SetNativeControlColor(SkColor color) { 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) color_ = color; 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DeleteObject(native_control_brush_); 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) native_control_brush_ = NULL; 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)HBRUSH Background::GetNativeControlBrush() const { 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!native_control_brush_) 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) native_control_brush_ = CreateSolidBrush(skia::SkColorToCOLORREF(color_)); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return native_control_brush_; 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//static 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Background* Background::CreateSolidBackground(SkColor color) { 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return new SolidBackground(color); 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//static 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Background* Background::CreateStandardPanelBackground() { 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(beng): Should be in NativeTheme. 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return CreateSolidBackground(SK_ColorWHITE); 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//static 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Background* Background::CreateVerticalGradientBackground(SkColor color1, 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkColor color2) { 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Background* background = CreateBackgroundPainter( 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) true, Painter::CreateVerticalGradient(color1, color2)); 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) background->SetNativeControlColor( 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) color_utils::AlphaBlend(color1, color2, 128)); 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return background; 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//static 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Background* Background::CreateVerticalMultiColorGradientBackground( 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkColor* colors, 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkScalar* pos, 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t count) { 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Background* background = CreateBackgroundPainter( 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) true, Painter::CreateVerticalMultiColorGradient(colors, pos, count)); 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) background->SetNativeControlColor( 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) color_utils::AlphaBlend(colors[0], colors[count-1], 128)); 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return background; 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//static 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Background* Background::CreateBackgroundPainter(bool owns_painter, 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Painter* painter) { 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return new BackgroundPainter(owns_painter, painter); 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace views 131