src/chrome/browser/ui/cocoa/constrained_window/constrained_window_custom_sheet.mm

   1 // Copyright (c) 2012 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 "chrome/browser/ui/cocoa/constrained_window/constrained_window_custom_sheet.h"
   6
   7 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_animation.h"
   8 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_sheet_controller.h"
   9
  10 @implementation CustomConstrainedWindowSheet
  11
  12 - (id)initWithCustomWindow:(NSWindow*)customWindow {
  13   if ((self = [super init])) {
  14     customWindow_.reset([customWindow retain]);
  15   }
  16   return self;
  17 }
  18
  19 - (void)showSheetForWindow:(NSWindow*)window {
  20   base::scoped_nsobject<NSAnimation> animation(
  21       [[ConstrainedWindowAnimationShow alloc] initWithWindow:customWindow_]);
  22   [window addChildWindow:customWindow_
  23                  ordered:NSWindowAbove];
  24   [self unhideSheet];
  25   [self updateSheetPosition];
  26   [customWindow_ makeKeyAndOrderFront:nil];
  27   [animation startAnimation];
  28 }
  29
  30 - (void)closeSheetWithAnimation:(BOOL)withAnimation {
  31   if (withAnimation) {
  32     base::scoped_nsobject<NSAnimation> animation(
  33         [[ConstrainedWindowAnimationHide alloc] initWithWindow:customWindow_]);
  34     [animation startAnimation];
  35   }
  36
  37   [[customWindow_ parentWindow] removeChildWindow:customWindow_];
  38   [customWindow_ close];
  39 }
  40
  41 - (void)hideSheet {
  42   // Hide the sheet window, and any of its direct child windows, by setting the
  43   // alpha to 0. This technique is used instead of -orderOut: because that may
  44   // cause a Spaces change or window ordering change.
  45   [customWindow_ setAlphaValue:0.0];
  46   for (NSWindow* window : [customWindow_ childWindows]) {
  47     [window setAlphaValue:0.0];
  48   }
  49 }
  50
  51 - (void)unhideSheet {
  52   [customWindow_ setAlphaValue:1.0];
  53   for (NSWindow* window : [customWindow_ childWindows]) {
  54     [window setAlphaValue:1.0];
  55   }
  56 }
  57
  58 - (void)pulseSheet {
  59   base::scoped_nsobject<NSAnimation> animation(
  60       [[ConstrainedWindowAnimationPulse alloc] initWithWindow:customWindow_]);
  61   [animation startAnimation];
  62 }
  63
  64 - (void)makeSheetKeyAndOrderFront {
  65   [customWindow_ makeKeyAndOrderFront:nil];
  66 }
  67
  68 - (void)updateSheetPosition {
  69   ConstrainedWindowSheetController* controller =
  70       [ConstrainedWindowSheetController controllerForSheet:self];
  71   NSPoint origin = [controller originForSheet:self
  72                                withWindowSize:[customWindow_ frame].size];
  73   [customWindow_ setFrameOrigin:origin];
  74 }
  75
  76 @end