chrome/browser/ui/cocoa/themed_window.h

   1 // Copyright (c) 2010 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_COCOA_THEMED_WINDOW_H_
   6 #define CHROME_BROWSER_UI_COCOA_THEMED_WINDOW_H_
   7
   8 #import <Cocoa/Cocoa.h>
   9
  10 namespace ui {
  11 class ThemeProvider;
  12 }
  13 using ui::ThemeProvider;
  14
  15 // Bit flags; mix-and-match as necessary.
  16 enum {
  17   THEMED_NORMAL    = 0,
  18   THEMED_INCOGNITO = 1 << 0,
  19   THEMED_POPUP     = 1 << 1,
  20   THEMED_DEVTOOLS  = 1 << 2
  21 };
  22 typedef NSUInteger ThemedWindowStyle;
  23
  24 // Indicates how the theme image should be aligned.
  25 enum ThemeImageAlignment {
  26   // Aligns the top of the theme image with the top of the frame. Use this
  27   // for IDR_THEME_THEME_FRAME.*
  28   THEME_IMAGE_ALIGN_WITH_FRAME,
  29   // Aligns the top of the theme image with the top of the tabs.
  30   // Use this for IDR_THEME_TAB_BACKGROUND and IDR_THEME_TOOLBAR.
  31   THEME_IMAGE_ALIGN_WITH_TAB_STRIP
  32 };
  33
  34 // Implemented by windows that support theming.
  35 @interface NSWindow (ThemeProvider)
  36 - (ThemeProvider*)themeProvider;
  37 - (ThemedWindowStyle)themedWindowStyle;
  38
  39 // Returns the position in window coordinates that the top left of a theme
  40 // image with |alignment| should be painted at. The result of this method can
  41 // be used in conjunction with [NSGraphicsContext cr_setPatternPhase:] to set
  42 // the offset of pattern colors.
  43 - (NSPoint)themeImagePositionForAlignment:(ThemeImageAlignment)alignment;
  44 @end
  45
  46 // Adopted by views that want to redraw when the theme changed, or when the
  47 // window's active status changed.
  48 @protocol ThemedWindowDrawing
  49
  50 // Called by the window controller when the theme changed.
  51 - (void)windowDidChangeTheme;
  52
  53 // Called by the window controller when the window gained or lost main window
  54 // status.
  55 - (void)windowDidChangeActive;
  56
  57 @end
  58
  59 #endif  // CHROME_BROWSER_UI_COCOA_THEMED_WINDOW_H_