chrome/browser/ui/views/apps/app_window_native_widget_mac.mm

   1 // Copyright 2015 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/views/apps/app_window_native_widget_mac.h"
   6
   7 #import <Cocoa/Cocoa.h>
   8
   9 #import "chrome/browser/ui/views/frame/native_widget_mac_frameless_nswindow.h"
  10 #import "ui/base/cocoa/window_size_constants.h"
  11
  12 AppWindowNativeWidgetMac::AppWindowNativeWidgetMac(views::Widget* widget)
  13     : NativeWidgetMac(widget) {
  14 }
  15
  16 AppWindowNativeWidgetMac::~AppWindowNativeWidgetMac() {
  17 }
  18
  19 NSWindow* AppWindowNativeWidgetMac::CreateNSWindow(
  20     const views::Widget::InitParams& params) {
  21   // If the window has a standard frame, use the same NSWindow as
  22   // NativeWidgetMac.
  23   if (!params.remove_standard_frame)
  24     return NativeWidgetMac::CreateNSWindow(params);
  25
  26   // NSTexturedBackgroundWindowMask is needed to implement draggable window
  27   // regions.
  28   NSUInteger style_mask = NSTexturedBackgroundWindowMask | NSTitledWindowMask |
  29                           NSClosableWindowMask | NSMiniaturizableWindowMask |
  30                           NSResizableWindowMask;
  31   return [[[NativeWidgetMacFramelessNSWindow alloc]
  32       initWithContentRect:ui::kWindowSizeDeterminedLater
  33                 styleMask:style_mask
  34                   backing:NSBackingStoreBuffered
  35                     defer:YES] autorelease];
  36 }