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 CHROME_BROWSER_UI_LIBGTK2UI_GTK2_BORDER_H_ 6 #define CHROME_BROWSER_UI_LIBGTK2UI_GTK2_BORDER_H_ 7 8 #include "base/scoped_observer.h" 9 #include "ui/gfx/image/image_skia.h" 10 #include "ui/native_theme/native_theme.h" 11 #include "ui/native_theme/native_theme_observer.h" 12 #include "ui/views/border.h" 13 #include "ui/views/controls/button/button.h" 14 15 namespace gfx { 16 class Canvas; 17 } 18 19 namespace views { 20 class LabelButton; 21 class LabelButtonBorder; 22 } 23 24 namespace libgtk2ui { 25 class Gtk2UI; 26 27 // Draws a gtk button border, and manages the memory of the resulting pixbufs. 28 class Gtk2Border : public views::Border, public ui::NativeThemeObserver { 29 public: 30 Gtk2Border(Gtk2UI* gtk2_ui, 31 views::LabelButton* owning_button, 32 scoped_ptr<views::LabelButtonBorder> border); 33 virtual ~Gtk2Border(); 34 35 // Overridden from views::Border: 36 virtual void Paint(const views::View& view, gfx::Canvas* canvas) OVERRIDE; 37 virtual gfx::Insets GetInsets() const OVERRIDE; 38 virtual gfx::Size GetMinimumSize() const OVERRIDE; 39 40 // Overridden from views::NativeThemeChangeObserver: 41 virtual void OnNativeThemeUpdated(ui::NativeTheme* observed_theme) OVERRIDE; 42 43 private: 44 void PaintState(const ui::NativeTheme::State state, 45 const ui::NativeTheme::ExtraParams& extra, 46 const gfx::Rect& rect, 47 gfx::Canvas* canvas); 48 49 Gtk2UI* gtk2_ui_; 50 51 gfx::ImageSkia button_images_[2][views::Button::STATE_COUNT]; 52 53 // The view to which we are a border. We keep track of this so that we can 54 // force invalidate the layout on theme changes. 55 views::LabelButton* owning_button_; 56 57 // The views::Border that we are replacing in native mode. We keep track of 58 // this for inset information. 59 scoped_ptr<views::LabelButtonBorder> border_; 60 61 ScopedObserver<ui::NativeTheme, ui::NativeThemeObserver> observer_manager_; 62 63 DISALLOW_COPY_AND_ASSIGN(Gtk2Border); 64 }; 65 66 } // namespace libgtk2ui 67 68 #endif // CHROME_BROWSER_UI_LIBGTK2UI_GTK2_BORDER_H_ 69