[Eraser] First pass at removing the notification center panel.

ui/message_center/cocoa/status_item_view.mm

-// Copyright (c) 2013 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.
-
-#import "ui/message_center/cocoa/status_item_view.h"
-
-#include <cmath>
-
-#include "base/format_macros.h"
-#include "base/mac/sdk_forward_declarations.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/resources/grit/ui_resources.h"
-
-// The width of the status bar item when it's just the icon.
-const CGFloat kStatusItemLength = 26;
-
-// The amount of space between the left and right edges and the content of the
-// status item.
-const CGFloat kMargin = 5;
-
-
-@interface MCStatusItemView (Private)
-// Whether or not the status item should be drawn highlighted.
-- (BOOL)shouldHighlight;
-
-- (int)getTrayResourceId;
-@end
-
-@implementation MCStatusItemView
-
-@synthesize highlight = highlight_;
-
-- (id)init {
-  statusItem_.reset([[[NSStatusBar systemStatusBar] statusItemWithLength:
-      NSVariableStatusItemLength] retain]);
-  CGFloat thickness = [[statusItem_ statusBar] thickness];
-
-  NSRect frame = NSMakeRect(0, 0, kStatusItemLength, thickness);
-  if ((self = [super initWithFrame:frame])) {
-    [statusItem_ setView:self];
-  }
-  return self;
-}
-
-- (void)removeItem {
-  [[NSStatusBar systemStatusBar] removeStatusItem:statusItem_];
-  statusItem_.reset();
-}
-
-- (size_t)unreadCount {
-  return unreadCount_;
-}
-
-- (message_center::StatusItemClickedCallback)callback {
-  return callback_.get();
-}
-
-- (void)setCallback:(message_center::StatusItemClickedCallback)callback {
-  callback_.reset(callback, base::scoped_policy::RETAIN);
-}
-
-- (void)setUnreadCount:(size_t)unreadCount withQuietMode:(BOOL)quietMode {
-  unreadCount_ = unreadCount;
-  quietMode_ = quietMode;
-
-  NSRect frame = [self frame];
-  frame.size.width = kStatusItemLength;
-  [self setFrame:frame];
-
-  [self setNeedsDisplay:YES];
-}
-
-- (void)setHighlight:(BOOL)highlight {
-  highlight_ = highlight;
-  [self setNeedsDisplay:YES];
-}
-
-- (void)mouseDown:(NSEvent*)event {
-  inMouseEventSequence_ = YES;
-  [self setNeedsDisplay:YES];
-
-  if (callback_)
-    callback_.get()();
-}
-
-- (void)mouseUp:(NSEvent*)event {
-  inMouseEventSequence_ = NO;
-  [self setNeedsDisplay:YES];
-}
-
-- (void)rightMouseDown:(NSEvent*)event {
-  [self mouseDown:event];
-}
-
-- (void)rightMouseUp:(NSEvent*)event {
-  [self mouseUp:event];
-}
-
-- (void)otherMouseDown:(NSEvent*)event {
-  [self mouseDown:event];
-}
-
-- (void)otherMouseUp:(NSEvent*)event {
-  [self mouseUp:event];
-}
-
-- (void)drawRect:(NSRect)dirtyRect {
-  NSRect frame = [self bounds];
-
-  // Draw the background color.
-  BOOL highlight = [self shouldHighlight];
-  [statusItem_ drawStatusBarBackgroundInRect:frame
-                               withHighlight:highlight];
-
-  int resource_id = [self getTrayResourceId];
-  // Draw the icon.
-  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
-  NSImage* image = rb.GetNativeImageNamed(resource_id).ToNSImage();
-  NSSize size = [image size];
-  NSRect drawRect = NSMakeRect(kMargin,
-                               floorf((NSHeight(frame) - size.height) / 2),
-                               size.width,
-                               size.height);
-  [image drawInRect:drawRect
-           fromRect:NSZeroRect
-          operation:NSCompositeSourceOver
-           fraction:1.0];
-}
-
-- (NSArray*)accessibilityActionNames {
-  return @[ NSAccessibilityPressAction ];
-}
-
-- (void)accessibilityPerformAction:(NSString*)action {
-  if ([action isEqualToString:NSAccessibilityPressAction]) {
-    if (callback_)
-      callback_.get()();
-    return;
-  }
-  [super accessibilityPerformAction:action];
-}
-
-// Private /////////////////////////////////////////////////////////////////////
-
-- (BOOL)shouldHighlight {
-  return highlight_ || inMouseEventSequence_;
-}
-
-- (int)getTrayResourceId {
-  BOOL highlight = [self shouldHighlight];
-  BOOL hasUnreadItems = unreadCount_ > 0;
-  BOOL dark = NO;
-
-  Class nsAppearanceClass = NSClassFromString(@"NSAppearance");
-  if ([self respondsToSelector:@selector(effectiveAppearance)] &&
-      [nsAppearanceClass respondsToSelector:@selector(appearanceNamed:)]) {
-    id<NSObject> darkAppearance =
-        [nsAppearanceClass appearanceNamed:NSAppearanceNameVibrantDark];
-    dark = [[self effectiveAppearance] isEqual:darkAppearance];
-  }
-
-  int kResourceIds[2][2][2][2] = {
-    {
-      {
-        { IDR_TRAY_EMPTY, IDR_TRAY_EMPTY_PRESSED },
-        { IDR_TRAY_ATTENTION, IDR_TRAY_ATTENTION_PRESSED },
-      },
-      {
-        { IDR_TRAY_DO_NOT_DISTURB_EMPTY,
-          IDR_TRAY_DO_NOT_DISTURB_EMPTY_PRESSED },
-        { IDR_TRAY_DO_NOT_DISTURB_ATTENTION,
-          IDR_TRAY_DO_NOT_DISTURB_ATTENTION_PRESSED },
-      },
-    },
-    {
-      {
-        // We chose not to support the empty version of the pressed
-        // resource for the dark theme, so we use the same resource
-        // for both "pressed" options.
-        { IDR_DARK_TRAY_EMPTY, IDR_DARK_TRAY_PRESSED },
-        { IDR_DARK_TRAY_ATTENTION, IDR_DARK_TRAY_PRESSED },
-      },
-      {
-        { IDR_DARK_TRAY_DO_NOT_DISTURB_EMPTY,
-          IDR_DARK_TRAY_DO_NOT_DISTURB_PRESSED },
-        { IDR_DARK_TRAY_DO_NOT_DISTURB_ATTENTION,
-          IDR_DARK_TRAY_DO_NOT_DISTURB_PRESSED },
-      },
-    }
-  };
-  return kResourceIds[dark][quietMode_][hasUnreadItems][highlight];
-}
-
-@end