Infobar UI cleanup on Mac. Adds the yellow background gradient and...

chrome/browser/cocoa/infobar_gradient_view.mm

 // 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/background_gradient_view.h"
+#include "chrome/browser/cocoa/infobar_gradient_view.h"
+#import "third_party/GTM/AppKit/GTMTheme.h"
 
-#define kToolbarTopOffset 12
-#define kToolbarMaxHeight 128
+const double kBackgroundColorTop[3] =
+    {255.0 / 255.0, 242.0 / 255.0, 183.0 / 255.0};
+const double kBackgroundColorBottom[3] =
+    {250.0 / 255.0, 230.0 / 255.0, 145.0 / 255.0};
 
-@implementation BackgroundGradientView
-@synthesize showsDivider = showsDivider_;
-
-- (id)initWithFrame:(NSRect)frameRect {
-  self = [super initWithFrame:frameRect];
-  if (self != nil) {
-    showsDivider_ = YES;
-  }
-  return self;
-}
-
-- (void)awakeFromNib {
-  showsDivider_ = YES;
-}
-
-- (void)setShowsDivider:(BOOL)show {
-  showsDivider_ = show;
-  [self setNeedsDisplay:YES];
-}
-
-// The offset of this pattern to make it line up with the top of the window.
-- (NSPoint)patternPhase {
-  NSPoint phase = NSZeroPoint;
-  phase.y += NSHeight([[self window] frame]) - kToolbarTopOffset;
-  return phase;
-}
-
-- (void)drawRect:(NSRect)rect {
-  BOOL isKey = [[self window] isKeyWindow];
-
-  GTMTheme *theme = [self gtm_theme];
-
-  NSImage *backgroundImage = [theme backgroundImageForStyle:GTMThemeStyleToolBar
-                                               state:GTMThemeStateActiveWindow];
-  if (backgroundImage) {
-    NSPoint phase = [self patternPhase];
-    [[NSGraphicsContext currentContext] setPatternPhase:phase];
-
-    NSColor *color = [NSColor colorWithPatternImage:backgroundImage];
-    [color set];
-    NSRectFill([self bounds]);
-  } else {
-    CGFloat winHeight = NSHeight([[self window] frame]);
-    NSGradient *gradient = [theme gradientForStyle:GTMThemeStyleToolBar
-                                             state:isKey];
-    NSPoint startPoint = [self convertPointFromBase:
-                          NSMakePoint(0, winHeight - kToolbarTopOffset)];
-    NSPoint endPoint = [self convertPointFromBase:
-        NSMakePoint(0, winHeight - kToolbarTopOffset - kToolbarMaxHeight)];
-
-    [gradient drawFromPoint:startPoint
-                    toPoint:endPoint
-                    options:NSGradientDrawsBeforeStartingLocation |
-                            NSGradientDrawsAfterEndingLocation];
-  }
-
-  if (showsDivider_) {
-    // Draw bottom stroke
-    [[self strokeColor] set];
-    NSRect borderRect, contentRect;
-    NSDivideRect([self bounds], &borderRect, &contentRect, 1, NSMinYEdge);
-    NSRectFillUsingOperation(borderRect, NSCompositeSourceOver);
-  }
-}
-
+@implementation InfoBarGradientView
 - (NSColor*)strokeColor {
   return [[self gtm_theme] strokeColorForStyle:GTMThemeStyleToolBar
                                          state:[[self window] isKeyWindow]];
 }
 
+- (void)drawRect:(NSRect)rect {
+  NSColor* startingColor =
+      [NSColor colorWithCalibratedRed:kBackgroundColorTop[0]
+                                green:kBackgroundColorTop[1]
+                                 blue:kBackgroundColorTop[2]
+                                alpha:1.0];
+  NSColor* endingColor =
+      [NSColor colorWithCalibratedRed:kBackgroundColorBottom[0]
+                                green:kBackgroundColorBottom[1]
+                                 blue:kBackgroundColorBottom[2]
+                                alpha:1.0];
+  NSGradient* gradient =
+      [[[NSGradient alloc] initWithStartingColor:startingColor
+                                     endingColor:endingColor] autorelease];
+  [gradient drawInRect:[self bounds] angle:270];
+
+  // Draw bottom stroke
+  [[self strokeColor] set];
+  NSRect borderRect, contentRect;
+  NSDivideRect([self bounds], &borderRect, &contentRect, 1, NSMinYEdge);
+  NSRectFillUsingOperation(borderRect, NSCompositeSourceOver);
+}
+
+- (BOOL)mouseDownCanMoveWindow {
+  return NO;
+}
+
+// This view is intentionally not opaque because it overlaps with the findbar.
+
 @end