From d679d4ea85aedcc22ccf7610146e77c15f9d7ac1 Mon Sep 17 00:00:00 2001
From: "avi@chromium.org"
 <avi@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Tue, 17 Feb 2009 16:01:15 +0000
Subject: Sad Tab view for the Mac.

Review URL: http://codereview.chromium.org/20334

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@9876 0039d316-1c4b-4281-b951-d872f2087c98
---
 chrome/browser/cocoa/sad_tab_view.mm | 74 ++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 chrome/browser/cocoa/sad_tab_view.mm

(limited to 'chrome/browser/cocoa/sad_tab_view.mm')

diff --git a/chrome/browser/cocoa/sad_tab_view.mm b/chrome/browser/cocoa/sad_tab_view.mm
new file mode 100644
index 0000000..b862d53
--- /dev/null
+++ b/chrome/browser/cocoa/sad_tab_view.mm
@@ -0,0 +1,74 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/cocoa/sad_tab_view.h"
+
+static const int kSadTabOffset = -64;
+static const int kIconTitleSpacing = 20;
+static const int kTitleMessageSpacing = 15;
+
+@implementation SadTabView
+
+- (void)drawRect:(NSRect)dirtyRect {
+  NSImage* sadTabImage = [NSImage imageNamed:@"sadtab"];
+  NSString* title = @"Aw, Snap!";  // TODO(avi):localize
+  NSString* message = @"Something went wrong while displaying this webpage. "
+      "To continue, press Reload or go to another page.";
+  
+  NSColor* textColor = [NSColor whiteColor];
+  NSColor* backgroundColor = [NSColor colorWithCalibratedRed:(35.0f/255.0f)
+                                                       green:(48.0f/255.0f)
+                                                        blue:(64.0f/255.0f)
+                                                       alpha:1.0];
+  
+  // Layout
+  NSFont* titleFont = [NSFont boldSystemFontOfSize:[NSFont systemFontSize]];
+  NSFont* messageFont = [NSFont systemFontOfSize:[NSFont smallSystemFontSize]];
+  
+  NSDictionary* titleAttrs = [NSDictionary dictionaryWithObjectsAndKeys:
+                              titleFont, NSFontAttributeName,
+                              textColor, NSForegroundColorAttributeName,
+                              nil];
+  NSDictionary* messageAttrs = [NSDictionary dictionaryWithObjectsAndKeys:
+                                messageFont, NSFontAttributeName,
+                                textColor, NSForegroundColorAttributeName,
+                                nil];
+  
+  NSAttributedString* titleString =
+      [[[NSAttributedString alloc] initWithString:title
+                                       attributes:titleAttrs] autorelease];
+  NSAttributedString* messageString =
+      [[[NSAttributedString alloc] initWithString:message
+                                       attributes:messageAttrs] autorelease];
+  
+  NSRect viewBounds = [self bounds];
+  
+  NSSize sadTabImageSize = [sadTabImage size];
+  CGFloat iconWidth = sadTabImageSize.width;
+  CGFloat iconHeight = sadTabImageSize.height;
+  CGFloat iconX = (viewBounds.size.width - iconWidth) / 2;
+  CGFloat iconY =
+      ((viewBounds.size.height - iconHeight) / 2) - kSadTabOffset;
+  
+  NSSize titleSize = [titleString size];
+  CGFloat titleX = (viewBounds.size.width - titleSize.width) / 2;
+  CGFloat titleY = iconY - kIconTitleSpacing - titleSize.height;
+
+  NSSize messageSize = [messageString size];
+  CGFloat messageX = (viewBounds.size.width - messageSize.width) / 2;
+  CGFloat messageY = titleY - kTitleMessageSpacing - messageSize.height;
+  
+  // Paint
+  [backgroundColor set];
+  NSRectFill(viewBounds);
+  
+  [sadTabImage drawAtPoint:NSMakePoint(iconX, iconY)
+                  fromRect:NSZeroRect
+                 operation:NSCompositeSourceOver
+                  fraction:1.0f];
+  [titleString drawAtPoint:NSMakePoint(titleX, titleY)];
+  [messageString drawAtPoint:NSMakePoint(messageX, messageY)];
+}
+
+@end
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