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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "chrome/browser/ui/cocoa/find_bar/find_bar_view_cocoa.h"
#import "chrome/browser/ui/cocoa/url_drop_target.h"
#import "chrome/browser/ui/cocoa/view_id_util.h"
#import "ui/base/cocoa/nsview_additions.h"
#include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h"
namespace {
CGFloat kCurveSize = 8;
} // end namespace
@implementation FindBarView
- (id)initWithFrame:(NSRect)frame {
if ((self = [super initWithFrame:frame])) {
// Give this view its own layer so that it can appear over the web contents
// view's layer. Layer squashing is not helpful for this view because
// NSTextField will correctly anti-alias text on 10.8 and beyond.
[self setWantsLayer:YES];
}
return self;
}
- (void)awakeFromNib {
// Register for all the drag types handled by the RWHVCocoa.
[self registerForDraggedTypes:[URLDropTargetHandler handledDragTypes]];
}
- (void)drawRect:(NSRect)dirtyRect {
const CGFloat lineWidth = [self cr_lineWidth];
const CGFloat halfLineWidth = lineWidth / 2.0;
// TODO(rohitrao): Make this prettier.
NSRect rect = NSInsetRect([self bounds], halfLineWidth, halfLineWidth);
rect = NSOffsetRect(rect, 0, lineWidth);
NSPoint topLeft = NSMakePoint(NSMinX(rect), NSMaxY(rect));
NSPoint topRight = NSMakePoint(NSMaxX(rect), NSMaxY(rect));
NSPoint midLeft1 =
NSMakePoint(NSMinX(rect) + kCurveSize, NSMaxY(rect) - kCurveSize);
NSPoint midLeft2 =
NSMakePoint(NSMinX(rect) + kCurveSize, NSMinY(rect) + kCurveSize);
NSPoint midRight1 =
NSMakePoint(NSMaxX(rect) - kCurveSize, NSMinY(rect) + kCurveSize);
NSPoint midRight2 =
NSMakePoint(NSMaxX(rect) - kCurveSize, NSMaxY(rect) - kCurveSize);
NSPoint bottomLeft =
NSMakePoint(NSMinX(rect) + (2 * kCurveSize), NSMinY(rect));
NSPoint bottomRight =
NSMakePoint(NSMaxX(rect) - (2 * kCurveSize), NSMinY(rect));
NSBezierPath* path = [NSBezierPath bezierPath];
[path moveToPoint:topLeft];
[path curveToPoint:midLeft1
controlPoint1:NSMakePoint(midLeft1.x, topLeft.y)
controlPoint2:NSMakePoint(midLeft1.x, topLeft.y)];
[path lineToPoint:midLeft2];
[path curveToPoint:bottomLeft
controlPoint1:NSMakePoint(midLeft2.x, bottomLeft.y)
controlPoint2:NSMakePoint(midLeft2.x, bottomLeft.y)];
[path lineToPoint:bottomRight];
[path curveToPoint:midRight1
controlPoint1:NSMakePoint(midRight1.x, bottomLeft.y)
controlPoint2:NSMakePoint(midRight1.x, bottomLeft.y)];
[path lineToPoint:midRight2];
[path curveToPoint:topRight
controlPoint1:NSMakePoint(midRight2.x, topLeft.y)
controlPoint2:NSMakePoint(midRight2.x, topLeft.y)];
{
gfx::ScopedNSGraphicsContextSaveGState scopedGState;
[path addClip];
[self drawBackground:dirtyRect];
}
[[self strokeColor] set];
[path setLineWidth:lineWidth];
[path stroke];
}
// The findbar is mostly opaque, but has an 8px transparent border on the left
// and right sides (see |kCurveSize|). This is an artifact of the way it is
// drawn. We override hitTest to return nil for points in this transparent
// area.
- (NSView*)hitTest:(NSPoint)point {
NSView* hitView = [super hitTest:point];
if (hitView == self) {
// |rect| is approximately equivalent to the opaque area of the findbar.
NSRect rect = NSInsetRect([self bounds], kCurveSize, 0);
if (!NSMouseInRect(point, rect, [self isFlipped]))
return nil;
}
return hitView;
}
// Eat all mouse events, to prevent clicks from falling through to views below.
- (void)mouseDown:(NSEvent *)theEvent {
}
- (void)rightMouseDown:(NSEvent *)theEvent {
}
- (void)otherMouseDown:(NSEvent *)theEvent {
}
- (void)mouseUp:(NSEvent *)theEvent {
}
- (void)rightMouseUp:(NSEvent *)theEvent {
}
- (void)otherMouseUp:(NSEvent *)theEvent {
}
- (void)mouseMoved:(NSEvent *)theEvent {
}
- (void)mouseDragged:(NSEvent *)theEvent {
}
- (void)rightMouseDragged:(NSEvent *)theEvent {
}
- (void)otherMouseDragged:(NSEvent *)theEvent {
}
// Eat drag operations, to prevent drags from going through to the views below.
- (NSDragOperation)draggingEntered:(id<NSDraggingInfo>)info {
return NSDragOperationNone;
}
// Specifies that mouse events over this view should be ignored by the
// render host.
- (BOOL)nonWebContentView {
return YES;
}
@end
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