1 // Copyright 2014 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 #ifndef ASH_FRAME_DEFAULT_HEADER_PAINTER_H_ 6 #define ASH_FRAME_DEFAULT_HEADER_PAINTER_H_ 7 8 #include "ash/ash_export.h" 9 #include "ash/frame/header_painter.h" 10 #include "base/basictypes.h" 11 #include "base/compiler_specific.h" // OVERRIDE 12 #include "base/gtest_prod_util.h" 13 #include "base/memory/scoped_ptr.h" 14 #include "third_party/skia/include/core/SkColor.h" 15 #include "ui/gfx/animation/animation_delegate.h" 16 17 namespace gfx { 18 class ImageSkia; 19 class Rect; 20 class SlideAnimation; 21 } 22 namespace views { 23 class View; 24 class Widget; 25 } 26 27 namespace ash { 28 class FrameCaptionButtonContainerView; 29 30 // Helper class for painting the default window header. 31 class ASH_EXPORT DefaultHeaderPainter : public HeaderPainter, 32 public gfx::AnimationDelegate { 33 public: 34 DefaultHeaderPainter(); 35 virtual ~DefaultHeaderPainter(); 36 37 // DefaultHeaderPainter does not take ownership of any of the parameters. 38 void Init(views::Widget* frame, 39 views::View* header_view, 40 FrameCaptionButtonContainerView* caption_button_container); 41 42 // HeaderPainter overrides: 43 virtual int GetMinimumHeaderWidth() const OVERRIDE; 44 virtual void PaintHeader(gfx::Canvas* canvas, Mode mode) OVERRIDE; 45 virtual void LayoutHeader() OVERRIDE; 46 virtual int GetHeaderHeightForPainting() const OVERRIDE; 47 virtual void SetHeaderHeightForPainting(int height) OVERRIDE; 48 virtual void SchedulePaintForTitle() OVERRIDE; 49 virtual void UpdateLeftViewXInset(int left_view_x_inset) OVERRIDE; 50 51 // Sets the left header view for the header. Passing NULL removes the view. 52 void UpdateLeftHeaderView(views::View* left_header_view); 53 54 private: 55 FRIEND_TEST_ALL_PREFIXES(DefaultHeaderPainterTest, TitleIconAlignment); 56 57 // gfx::AnimationDelegate override: 58 virtual void AnimationProgressed(const gfx::Animation* animation) OVERRIDE; 59 60 // Paints highlight around the edge of the header for inactive restored 61 // windows. 62 void PaintHighlightForInactiveRestoredWindow(gfx::Canvas* canvas); 63 64 // Paints the title bar, primarily the title string. 65 void PaintTitleBar(gfx::Canvas* canvas); 66 67 // Paints the header/content separator. 68 void PaintHeaderContentSeparator(gfx::Canvas* canvas); 69 70 // Layout the left header view. 71 void LayoutLeftHeaderView(); 72 73 // Updates the size button's images. 74 void UpdateSizeButtonImages(); 75 76 // Returns the header bounds in the coordinates of |view_|. The header is 77 // assumed to be positioned at the top left corner of |view_| and to have the 78 // same width as |view_|. 79 gfx::Rect GetLocalBounds() const; 80 81 // Returns the bounds for the title. 82 gfx::Rect GetTitleBounds() const; 83 84 // Returns the frame color to use when |frame_| is inactive. 85 SkColor GetInactiveFrameColor() const; 86 87 views::Widget* frame_; 88 views::View* view_; 89 views::View* left_header_view_; // May be NULL. 90 int left_view_x_inset_; 91 FrameCaptionButtonContainerView* caption_button_container_; 92 93 // The height of the header including the header/content separator. 94 int height_; 95 96 // Whether the header should be painted as active. 97 Mode mode_; 98 99 // Whether the header is painted for the first time. 100 bool initial_paint_; 101 102 scoped_ptr<gfx::SlideAnimation> activation_animation_; 103 104 DISALLOW_COPY_AND_ASSIGN(DefaultHeaderPainter); 105 }; 106 107 } // namespace ash 108 109 #endif // ASH_FRAME_DEFAULT_HEADER_PAINTER_H_ 110
