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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #import "chrome/browser/cocoa/vertical_layout_view.h" | 5 #import "chrome/browser/cocoa/vertical_layout_view.h" |
| 6 | 6 |
| 7 @interface VerticalLayoutView(PrivateMethods) | 7 @interface VerticalLayoutView(PrivateMethods) |
| 8 - (void)layoutChildren; | 8 - (void)layoutChildren; |
| 9 @end | 9 @end |
| 10 | 10 |
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| 22 } | 22 } |
| 23 | 23 |
| 24 // Flip the coordinate system to arrange child views from top to bottom | 24 // Flip the coordinate system to arrange child views from top to bottom |
| 25 // with top at 0, increasing down. This simplifies the logic and plays | 25 // with top at 0, increasing down. This simplifies the logic and plays |
| 26 // well with containing scroll views. | 26 // well with containing scroll views. |
| 27 - (BOOL)isFlipped { | 27 - (BOOL)isFlipped { |
| 28 return YES; | 28 return YES; |
| 29 } | 29 } |
| 30 | 30 |
| 31 // Override the default |viewWillDraw| to indicate to drawing machinery proper | 31 // Override the default |viewWillDraw| to indicate to drawing machinery proper |
| 32 // arrangement of subvies. | 32 // arrangement of subviews. |
| 33 - (void)viewWillDraw { | 33 - (void)viewWillDraw { |
| 34 // Reposition child views prior to super's descent into its |viewWillDraw| | 34 // Reposition child views prior to super's descent into its |viewWillDraw| |
| 35 // pass. | 35 // pass. |
| 36 [self layoutChildren]; | 36 [self layoutChildren]; |
| 37 | 37 |
| 38 // Default descent into subviews. | 38 // Default descent into subviews. |
| 39 [super viewWillDraw]; | 39 [super viewWillDraw]; |
| 40 | 40 |
| 41 // Adjust children again to account for any modifications made during the | 41 // Adjust children again to account for any modifications made during the |
| 42 // prior descent. Most importantly we resize our own frame to properly | 42 // prior descent. Most importantly we resize our own frame to properly |
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| 64 } | 64 } |
| 65 | 65 |
| 66 // Resize self to reflect vertical extent of children. | 66 // Resize self to reflect vertical extent of children. |
| 67 [self setFrame:NSMakeRect([self frame].origin.x, | 67 [self setFrame:NSMakeRect([self frame].origin.x, |
| 68 [self frame].origin.y, | 68 [self frame].origin.y, |
| 69 [self frame].size.width, | 69 [self frame].size.width, |
| 70 yPosition)]; | 70 yPosition)]; |
| 71 } | 71 } |
| 72 | 72 |
| 73 @end | 73 @end |
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