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| 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 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 <Cocoa/Cocoa.h> | 5 #import <Cocoa/Cocoa.h> |
| 6 #import "chrome/browser/ui/cocoa/fast_resize_view.h" | 6 #import "chrome/browser/ui/cocoa/fast_resize_view.h" |
| 7 | 7 |
| 8 #include "base/logging.h" | 8 #include "base/logging.h" |
| 9 | 9 |
| 10 @interface FastResizeView (PrivateMethods) | 10 @interface FastResizeView (PrivateMethods) |
| 11 // Lays out this views subviews. If fast resize mode is on, does not resize any | 11 // Lays out this views subviews. If fast resize mode is on, does not resize any |
| 12 // subviews and instead pegs them to the top left. If fast resize mode is off, | 12 // subviews and instead pegs them to the top left. If fast resize mode is off, |
| 13 // sets the subviews' frame to be equal to this view's bounds. | 13 // sets the subviews' frame to be equal to this view's bounds. |
| 14 - (void)layoutSubviews; | 14 - (void)layoutSubviews; |
| 15 @end | 15 @end |
| 16 | 16 |
| 17 @implementation FastResizeView | 17 @implementation FastResizeView |
| 18 | 18 |
| 19 @synthesize contentOffset = contentOffset_; | |
| 20 | |
| 21 - (void)setFastResizeMode:(BOOL)fastResizeMode { | 19 - (void)setFastResizeMode:(BOOL)fastResizeMode { |
| 22 if (fastResizeMode_ == fastResizeMode) | 20 if (fastResizeMode_ == fastResizeMode) |
| 23 return; | 21 return; |
| 24 | 22 |
| 25 fastResizeMode_ = fastResizeMode; | 23 fastResizeMode_ = fastResizeMode; |
| 26 | 24 |
| 27 // Force a relayout when coming out of fast resize mode. | 25 // Force a relayout when coming out of fast resize mode. |
| 28 if (!fastResizeMode_) | 26 if (!fastResizeMode_) |
| 29 [self layoutSubviews]; | 27 [self layoutSubviews]; |
| 30 | 28 |
| 31 [self setNeedsDisplay:YES]; | 29 [self setNeedsDisplay:YES]; |
| 32 } | 30 } |
| 33 | 31 |
| 34 - (void)resizeSubviewsWithOldSize:(NSSize)oldSize { | 32 - (void)resizeSubviewsWithOldSize:(NSSize)oldSize { |
| 35 [self layoutSubviews]; | 33 [self layoutSubviews]; |
| 36 } | 34 } |
| 37 | 35 |
| 38 - (void)drawRect:(NSRect)dirtyRect { | 36 - (void)drawRect:(NSRect)dirtyRect { |
| 39 // If we are in fast resize mode, our subviews may not completely cover our | 37 // If we are in fast resize mode, our subviews may not completely cover our |
| 40 // bounds, so we fill with white. If we are not in fast resize mode, we do | 38 // bounds, so we fill with white. If we are not in fast resize mode, we do |
| 41 // not need to draw anything. | 39 // not need to draw anything. |
| 42 if (!fastResizeMode_) | 40 if (!fastResizeMode_) |
| 43 return; | 41 return; |
| 44 | 42 |
| 45 // Don't draw on the non-content area. | |
| 46 NSRect clipRect = [self bounds]; | |
| 47 clipRect.size.height -= contentOffset_; | |
| 48 NSRectClip(clipRect); | |
| 49 | |
| 50 [[NSColor whiteColor] set]; | 43 [[NSColor whiteColor] set]; |
| 51 NSRectFill(dirtyRect); | 44 NSRectFill(dirtyRect); |
| 52 } | 45 } |
| 53 | 46 |
| 54 - (NSView*)hitTest:(NSPoint)point { | |
| 55 NSView* result = [super hitTest:point]; | |
| 56 // Never return this view during hit testing. This allows overlapping views to | |
| 57 // get events even when they are not topmost. | |
| 58 if ([result isEqual:self]) | |
| 59 return nil; | |
| 60 return result; | |
| 61 } | |
| 62 | |
| 63 @end | 47 @end |
| 64 | 48 |
| 65 @implementation FastResizeView (PrivateMethods) | 49 @implementation FastResizeView (PrivateMethods) |
| 66 | 50 |
| 67 - (void)layoutSubviews { | 51 - (void)layoutSubviews { |
| 68 // There should never be more than one subview. There can be zero, if we are | 52 // There should never be more than one subview. There can be zero, if we are |
| 69 // in the process of switching tabs or closing the window. In those cases, no | 53 // in the process of switching tabs or closing the window. In those cases, no |
| 70 // layout is needed. | 54 // layout is needed. |
| 71 NSArray* subviews = [self subviews]; | 55 NSArray* subviews = [self subviews]; |
| 72 DCHECK([subviews count] <= 1); | 56 DCHECK([subviews count] <= 1); |
| 73 if ([subviews count] < 1) | 57 if ([subviews count] < 1) |
| 74 return; | 58 return; |
| 75 | 59 |
| 76 NSView* subview = [subviews objectAtIndex:0]; | 60 NSView* subview = [subviews objectAtIndex:0]; |
| 77 NSRect bounds = [self bounds]; | 61 NSRect bounds = [self bounds]; |
| 78 | 62 |
| 79 if (fastResizeMode_) { | 63 if (fastResizeMode_) { |
| 80 NSRect frame = [subview frame]; | 64 NSRect frame = [subview frame]; |
| 81 frame.origin.x = 0; | 65 frame.origin.x = 0; |
| 82 frame.origin.y = NSHeight(bounds) - NSHeight(frame); | 66 frame.origin.y = NSHeight(bounds) - NSHeight(frame); |
| 83 [subview setFrame:frame]; | 67 [subview setFrame:frame]; |
| 84 } else { | 68 } else { |
| 85 [subview setFrame:bounds]; | 69 [subview setFrame:bounds]; |
| 86 } | 70 } |
| 87 } | 71 } |
| 88 | 72 |
| 89 @end | 73 @end |
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