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| 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 #import "ui/gfx/mac/nswindow_frame_controls.h" |
| 6 |
| 7 #import "base/mac/mac_util.h" |
| 8 #import "base/mac/sdk_forward_declarations.h" |
| 9 #include "ui/gfx/geometry/size.h" |
| 10 |
| 11 namespace { |
| 12 |
| 13 // The value used to represent an unbounded width or height. |
| 14 const int kUnboundedSize = 0; |
| 15 |
| 16 void SetResizableStyleMask(NSWindow* window, bool resizable) { |
| 17 NSUInteger style_mask = [window styleMask]; |
| 18 if (resizable) |
| 19 style_mask |= NSResizableWindowMask; |
| 20 else |
| 21 style_mask &= ~NSResizableWindowMask; |
| 22 [window setStyleMask:style_mask]; |
| 23 } |
| 24 |
| 25 } // namespace |
| 26 |
| 27 namespace gfx { |
| 28 |
| 29 void SetNSWindowCanFullscreen(NSWindow* window, bool allow_fullscreen) { |
| 30 NSWindowCollectionBehavior behavior = [window collectionBehavior]; |
| 31 if (allow_fullscreen) |
| 32 behavior |= NSWindowCollectionBehaviorFullScreenPrimary; |
| 33 else |
| 34 behavior &= ~NSWindowCollectionBehaviorFullScreenPrimary; |
| 35 [window setCollectionBehavior:behavior]; |
| 36 } |
| 37 |
| 38 void ApplyNSWindowSizeConstraints(NSWindow* window, |
| 39 const gfx::Size& min_size, |
| 40 const gfx::Size& max_size, |
| 41 bool can_resize, |
| 42 bool can_fullscreen) { |
| 43 [window setContentMinSize:NSMakeSize(min_size.width(), min_size.height())]; |
| 44 |
| 45 CGFloat max_width = |
| 46 max_size.width() == kUnboundedSize ? CGFLOAT_MAX : max_size.width(); |
| 47 CGFloat max_height = |
| 48 max_size.height() == kUnboundedSize ? CGFLOAT_MAX : max_size.height(); |
| 49 [window setContentMaxSize:NSMakeSize(max_width, max_height)]; |
| 50 |
| 51 SetResizableStyleMask(window, can_resize); |
| 52 [window setShowsResizeIndicator:can_resize]; |
| 53 |
| 54 // Set the window to participate in Lion Fullscreen mode. Setting this flag |
| 55 // has no effect on Snow Leopard or earlier. UI controls for fullscreen are |
| 56 // only shown for windows that have unbounded size. |
| 57 if (base::mac::IsOSLionOrLater()) |
| 58 SetNSWindowCanFullscreen(window, can_fullscreen); |
| 59 |
| 60 [[window standardWindowButton:NSWindowZoomButton] setEnabled:can_fullscreen]; |
| 61 } |
| 62 |
| 63 } // namespace gfx |
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