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      1 // Copyright (c) 2012 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 "chrome/browser/themes/theme_properties.h"
      8 #include "chrome/browser/themes/theme_service.h"
      9 #import "chrome/browser/ui/cocoa/nsview_additions.h"
     10 #import "chrome/browser/ui/cocoa/tabs/tab_strip_controller.h"
     11 #import "chrome/browser/ui/cocoa/themed_window.h"
     12 #import "chrome/browser/ui/cocoa/view_id_util.h"
     13 #include "grit/theme_resources.h"
     14 #import "ui/base/cocoa/nsgraphics_context_additions.h"
     15 #include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h"
     16 
     17 @implementation DownloadShelfView
     18 
     19 // For programmatic instantiations in unit tests.
     20 - (id)initWithFrame:(NSRect)frameRect {
     21   if ((self = [super initWithFrame:frameRect])) {
     22     [self setShowsDivider:NO];
     23   }
     24   return self;
     25 }
     26 
     27 // For nib instantiations in production.
     28 - (id)initWithCoder:(NSCoder*)decoder {
     29   if ((self = [super initWithCoder:decoder])) {
     30     [self setShowsDivider:NO];
     31   }
     32   return self;
     33 }
     34 
     35 - (NSColor*)strokeColor {
     36   BOOL isActive = [[self window] isMainWindow];
     37   ui::ThemeProvider* themeProvider = [[self window] themeProvider];
     38   return themeProvider ? themeProvider->GetNSColor(
     39       isActive ? ThemeProperties::COLOR_TOOLBAR_STROKE :
     40                  ThemeProperties::COLOR_TOOLBAR_STROKE_INACTIVE) :
     41       [NSColor blackColor];
     42 }
     43 
     44 - (void)drawRect:(NSRect)rect {
     45   gfx::ScopedNSGraphicsContextSaveGState saveGState;
     46 
     47   // We want our backgrounds for the shelf to be phased from the upper
     48   // left hand corner of the view. Offset it by tab height so that the
     49   // background matches the toolbar background.
     50   NSPoint phase = NSMakePoint(
     51       0, NSHeight([self bounds]) + [TabStripController defaultTabHeight]);
     52   [[NSGraphicsContext currentContext]
     53       cr_setPatternPhase:phase forView:[self cr_viewBeingDrawnTo]];
     54   [self drawBackgroundWithOpaque:YES];
     55 
     56   // Draw top stroke
     57   [[self strokeColor] set];
     58   NSRect borderRect, contentRect;
     59   NSDivideRect([self bounds], &borderRect, &contentRect, [self cr_lineWidth],
     60                NSMaxYEdge);
     61   NSRectFillUsingOperation(borderRect, NSCompositeSourceOver);
     62 
     63   // Draw the top highlight
     64   ThemeService* themeProvider =
     65       static_cast<ThemeService*>([[self window] themeProvider]);
     66   if (themeProvider) {
     67     int resourceName = themeProvider->UsingDefaultTheme() ?
     68         ThemeProperties::COLOR_TOOLBAR_BEZEL : ThemeProperties::COLOR_TOOLBAR;
     69     NSColor* highlightColor = themeProvider->GetNSColor(resourceName);
     70     if (highlightColor) {
     71       [highlightColor set];
     72       borderRect.origin.y -= [self cr_lineWidth];
     73       NSRectFillUsingOperation(borderRect, NSCompositeSourceOver);
     74     }
     75   }
     76 }
     77 
     78 // Mouse down events on the download shelf should not allow dragging the parent
     79 // window around.
     80 - (BOOL)mouseDownCanMoveWindow {
     81   return NO;
     82 }
     83 
     84 - (ViewID)viewID {
     85   return VIEW_ID_DOWNLOAD_SHELF;
     86 }
     87 
     88 - (BOOL)isOpaque {
     89   return YES;
     90 }
     91 
     92 @end
     93