chrome/browser/ui/cocoa/notifications/balloon_view.mm

   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 #include "chrome/browser/ui/cocoa/notifications/balloon_view.h"
   6
   7 #import <Cocoa/Cocoa.h>
   8
   9 #include "base/basictypes.h"
  10 #import "chrome/browser/ui/cocoa/notifications/balloon_controller.h"
  11 #import "third_party/google_toolbox_for_mac/src/AppKit/GTMNSBezierPath+RoundRect.h"
  12
  13 namespace {
  14
  15 const int kRoundedCornerSize = 6;
  16
  17 }  // namespace
  18
  19 @implementation BalloonWindow
  20 - (id)initWithContentRect:(NSRect)contentRect
  21                 styleMask:(NSUInteger)aStyle
  22                   backing:(NSBackingStoreType)bufferingType
  23                     defer:(BOOL)flag {
  24   self = [super initWithContentRect:contentRect
  25                           styleMask:NSBorderlessWindowMask
  26                             backing:NSBackingStoreBuffered
  27                               defer:NO];
  28   // Using NSModalPanelWindowLevel (8) rather then NSStatusWindowLevel (25)
  29   // ensures notification balloons on top of regular windows, but below
  30   // popup menus which are at NSPopUpMenuWindowLevel (101) and Spotlight
  31   // drop-out, which is at NSStatusWindowLevel-2 (23) for OSX 10.6/7.
  32   // See http://crbug.com/59878.
  33   if (self) {
  34     [self setLevel:NSModalPanelWindowLevel];
  35     [self setOpaque:NO];
  36     [self setBackgroundColor:[NSColor clearColor]];
  37   }
  38   return self;
  39 }
  40
  41 - (BOOL)canBecomeMainWindow {
  42   return NO;
  43 }
  44 @end
  45
  46 @implementation BalloonShelfViewCocoa
  47 - (void)drawRect:(NSRect)rect {
  48   NSBezierPath* path =
  49       [NSBezierPath gtm_bezierPathWithRoundRect:[self bounds]
  50                             topLeftCornerRadius:kRoundedCornerSize
  51                            topRightCornerRadius:kRoundedCornerSize
  52                          bottomLeftCornerRadius:0.0
  53                         bottomRightCornerRadius:0.0];
  54
  55   [[NSColor colorWithCalibratedWhite:0.957 alpha:1.0] set];
  56   [path fill];
  57
  58   [[NSColor colorWithCalibratedWhite:0.8 alpha:1.0] set];
  59   NSPoint origin = [self bounds].origin;
  60   [NSBezierPath strokeLineFromPoint:origin
  61       toPoint:NSMakePoint(origin.x + NSWidth([self bounds]), origin.y)];
  62 }
  63 @end
  64
  65 @implementation BalloonContentViewCocoa
  66 - (void)drawRect:(NSRect)rect {
  67   rect = NSInsetRect([self bounds], 0.5, 0.5);
  68   NSBezierPath* path =
  69       [NSBezierPath gtm_bezierPathWithRoundRect:rect
  70                             topLeftCornerRadius:0.0
  71                            topRightCornerRadius:0.0
  72                          bottomLeftCornerRadius:kRoundedCornerSize
  73                         bottomRightCornerRadius:kRoundedCornerSize];
  74   [[NSColor whiteColor] set];
  75   [path setLineWidth:3];
  76   [path stroke];
  77 }
  78 @end
  79
  80 @implementation BalloonOverlayViewCocoa
  81
  82 // We do not want to bring chrome window to foreground when we click on any
  83 // part of the notification balloon. To do this, we first postpone the window
  84 // reorder here (shouldDelayWindowOrderingForEvent is called during mouseDown)
  85 // and then complete canceling the reorder by [NSApp preventWindowOrdering] in
  86 // mouseDown handler of this view.
  87 - (BOOL)shouldDelayWindowOrderingForEvent:(NSEvent*)theEvent {
  88   return YES;
  89 }
  90
  91 - (void)mouseDown:(NSEvent*)event {
  92   [NSApp preventWindowOrdering];
  93   // Continue bubbling the event up the chain of responders.
  94   [super mouseDown:event];
  95 }
  96
  97 - (BOOL)acceptsFirstMouse:(NSEvent*)event {
  98   return YES;
  99 }
 100 @end