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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 #import "chrome/browser/ui/cocoa/download/download_shelf_view.h"
      6 
      7 #include "base/memory/scoped_nsobject.h"
      8 #include "chrome/browser/themes/theme_service.h"
      9 #import "chrome/browser/ui/cocoa/themed_window.h"
     10 #import "chrome/browser/ui/cocoa/view_id_util.h"
     11 #include "grit/theme_resources.h"
     12 
     13 @implementation DownloadShelfView
     14 
     15 - (NSColor*)strokeColor {
     16   BOOL isKey = [[self window] isKeyWindow];
     17   ui::ThemeProvider* themeProvider = [[self window] themeProvider];
     18   return themeProvider ? themeProvider->GetNSColor(
     19       isKey ? ThemeService::COLOR_TOOLBAR_STROKE :
     20               ThemeService::COLOR_TOOLBAR_STROKE_INACTIVE, true) :
     21       [NSColor blackColor];
     22 }
     23 
     24 - (void)drawRect:(NSRect)rect {
     25   BOOL isKey = [[self window] isKeyWindow];
     26   ui::ThemeProvider* themeProvider = [[self window] themeProvider];
     27   if (!themeProvider)
     28     return;
     29 
     30   NSColor* backgroundImageColor =
     31       themeProvider->GetNSImageColorNamed(IDR_THEME_TOOLBAR, false);
     32   if (backgroundImageColor) {
     33     // We want our backgrounds for the shelf to be phased from the upper
     34     // left hand corner of the view.
     35     NSPoint phase = NSMakePoint(0, NSHeight([self bounds]));
     36     [[NSGraphicsContext currentContext] setPatternPhase:phase];
     37     [backgroundImageColor set];
     38     NSRectFill([self bounds]);
     39   } else {
     40     NSGradient* gradient = themeProvider->GetNSGradient(
     41         isKey ? ThemeService::GRADIENT_TOOLBAR :
     42                 ThemeService::GRADIENT_TOOLBAR_INACTIVE);
     43     NSPoint startPoint = [self convertPoint:NSMakePoint(0, 0) fromView:nil];
     44     NSPoint endPoint =
     45         [self convertPoint:NSMakePoint(0, [self frame].size.height)
     46                   fromView:nil];
     47 
     48     [gradient drawFromPoint:startPoint
     49                     toPoint:endPoint
     50                     options:NSGradientDrawsBeforeStartingLocation |
     51                             NSGradientDrawsAfterEndingLocation];
     52   }
     53 
     54   // Draw top stroke
     55   [[self strokeColor] set];
     56   NSRect borderRect, contentRect;
     57   NSDivideRect([self bounds], &borderRect, &contentRect, 1, NSMaxYEdge);
     58   NSRectFillUsingOperation(borderRect, NSCompositeSourceOver);
     59 }
     60 
     61 // Mouse down events on the download shelf should not allow dragging the parent
     62 // window around.
     63 - (BOOL)mouseDownCanMoveWindow {
     64   return NO;
     65 }
     66 
     67 - (ViewID)viewID {
     68   return VIEW_ID_DOWNLOAD_SHELF;
     69 }
     70 
     71 @end
     72