FullscreenExitBubble temp UI for Mac.

chrome/browser/ui/cocoa/fullscreen_exit_bubble_view.mm

+// Copyright (c) 2011 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 "chrome/browser/ui/cocoa/fullscreen_exit_bubble_view.h"
+
+#import "chrome/browser/ui/cocoa/nsview_additions.h"
+#import "chrome/browser/ui/cocoa/themed_window.h"
+#import "chrome/browser/ui/cocoa/url_drop_target.h"
+#import "chrome/browser/ui/cocoa/view_id_util.h"
+#include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h"
+
+CGFloat kCurveSize = 8;
+
+@implementation FullscreenExitBubbleView
+
+- (void)drawRect:(NSRect)rect {
+  const CGFloat lineWidth = [self cr_lineWidth];
+
+  rect = NSOffsetRect([self bounds], 0, lineWidth*2);
+
+  NSPoint topLeft = NSMakePoint(NSMinX(rect), NSMaxY(rect));
+  NSPoint topRight = NSMakePoint(NSMaxX(rect), NSMaxY(rect));
+  NSPoint midLeft =
+      NSMakePoint(NSMinX(rect), NSMinY(rect) + kCurveSize);
+  NSPoint midRight =
+      NSMakePoint(NSMaxX(rect), NSMinY(rect) + kCurveSize);
+  NSPoint bottomLeft =
+      NSMakePoint(NSMinX(rect) + kCurveSize, NSMinY(rect));
+  NSPoint bottomRight =
+      NSMakePoint(NSMaxX(rect) - kCurveSize, NSMinY(rect));
+
+  NSBezierPath* path = [NSBezierPath bezierPath];
+  [path moveToPoint:topLeft];
+  [path appendBezierPathWithArcWithCenter:NSMakePoint(bottomLeft.x, midLeft.y)
+      radius:kCurveSize startAngle:180 endAngle:270];
+
+  [path lineToPoint:bottomRight];
+  [path appendBezierPathWithArcWithCenter:NSMakePoint(bottomRight.x, midRight.y)
+      radius:kCurveSize startAngle:270 endAngle:360];
+  [path lineToPoint:topRight];
+
+  {
+    gfx::ScopedNSGraphicsContextSaveGState scopedGState;
+    [path addClip];
+
+    const NSRect bounds = [self bounds];
+
+    [[NSColor colorWithDeviceWhite:0 alpha:0.7] set];
+    NSRectFillUsingOperation(bounds, NSCompositeSourceOver);
+  }
+
+}
+
+// Eat all mouse events, to prevent clicks from falling through to views below.
+- (void)mouseDown:(NSEvent *)theEvent {
+}
+
+- (void)rightMouseDown:(NSEvent *)theEvent {
+}
+
+- (void)otherMouseDown:(NSEvent *)theEvent {
+}
+
+- (void)mouseUp:(NSEvent *)theEvent {
+}
+
+- (void)rightMouseUp:(NSEvent *)theEvent {
+}
+
+- (void)otherMouseUp:(NSEvent *)theEvent {
+}
+
+- (void)mouseMoved:(NSEvent *)theEvent {
+}
+
+- (void)mouseDragged:(NSEvent *)theEvent {
+}
+
+- (void)rightMouseDragged:(NSEvent *)theEvent {
+}
+
+- (void)otherMouseDragged:(NSEvent *)theEvent {
+}
+
+// Specifies that mouse events over this view should be ignored by the
+// render host.
+- (BOOL)nonWebContentView {
+  return YES;
+}
+
+@end