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// Copyright (c) 2012 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/info_bubble_view.h"
#include "base/logging.h"
#include "base/mac/foundation_util.h"
#import "chrome/browser/ui/cocoa/info_bubble_window.h"
#import "third_party/google_toolbox_for_mac/src/AppKit/GTMNSBezierPath+RoundRect.h"
@implementation InfoBubbleView
@synthesize arrowLocation = arrowLocation_;
@synthesize alignment = alignment_;
@synthesize cornerFlags = cornerFlags_;
- (id)initWithFrame:(NSRect)frameRect {
if ((self = [super initWithFrame:frameRect])) {
arrowLocation_ = info_bubble::kTopLeft;
alignment_ = info_bubble::kAlignArrowToAnchor;
cornerFlags_ = info_bubble::kRoundedAllCorners;
backgroundColor_.reset([[NSColor whiteColor] retain]);
}
return self;
}
- (BOOL)performKeyEquivalent:(NSEvent *)event {
InfoBubbleWindow* info_bubble_window =
base::mac::ObjCCast<InfoBubbleWindow>([self window]);
if (info_bubble_window && [info_bubble_window isClosing]) {
// When a keyboard shortcut is pressed, the method that handles it is
// -[NSApplication _handleKeyEquivalent:], which calls the
// -performKeyEquivalent methods on all windows in the window list, whether
// they are open or closed, shown or hidden, active or dying. If a bubble
// window is closed but lingers in an autorelease pool, it might receive
// unexpected requests for key commands; see <http://crbug.com/574798> for
// an example. In such a case, make sure the key equivalent search stops
// here rather than proceeding down the view hierarchy and tickling stale
// pointers.
return NO;
}
return [super performKeyEquivalent:event];
}
- (void)drawRect:(NSRect)rect {
// Make room for the border to be seen.
NSRect bounds = [self bounds];
if (arrowLocation_ != info_bubble::kNoArrow) {
bounds.size.height -= info_bubble::kBubbleArrowHeight;
}
rect.size.height -= info_bubble::kBubbleArrowHeight;
float topRadius = cornerFlags_ & info_bubble::kRoundedTopCorners ?
info_bubble::kBubbleCornerRadius : 0;
float bottomRadius = cornerFlags_ & info_bubble::kRoundedBottomCorners ?
info_bubble::kBubbleCornerRadius : 0;
NSBezierPath* bezier =
[NSBezierPath gtm_bezierPathWithRoundRect:bounds
topLeftCornerRadius:topRadius
topRightCornerRadius:topRadius
bottomLeftCornerRadius:bottomRadius
bottomRightCornerRadius:bottomRadius];
// Add the bubble arrow.
CGFloat dX = 0;
switch (arrowLocation_) {
case info_bubble::kTopLeft:
dX = info_bubble::kBubbleArrowXOffset;
break;
case info_bubble::kTopRight:
dX = NSWidth(bounds) - info_bubble::kBubbleArrowXOffset -
info_bubble::kBubbleArrowWidth;
break;
case info_bubble::kTopCenter:
dX = NSMidX(bounds) - info_bubble::kBubbleArrowWidth / 2.0;
break;
case info_bubble::kNoArrow:
break;
default:
NOTREACHED();
break;
}
NSPoint arrowStart = NSMakePoint(NSMinX(bounds), NSMaxY(bounds));
arrowStart.x += dX;
[bezier moveToPoint:NSMakePoint(arrowStart.x, arrowStart.y)];
if (arrowLocation_ != info_bubble::kNoArrow) {
[bezier lineToPoint:NSMakePoint(arrowStart.x +
info_bubble::kBubbleArrowWidth / 2.0,
arrowStart.y +
info_bubble::kBubbleArrowHeight)];
}
[bezier lineToPoint:NSMakePoint(arrowStart.x + info_bubble::kBubbleArrowWidth,
arrowStart.y)];
[bezier closePath];
[backgroundColor_ set];
[bezier fill];
}
- (NSPoint)arrowTip {
NSRect bounds = [self bounds];
CGFloat tipXOffset =
info_bubble::kBubbleArrowXOffset + info_bubble::kBubbleArrowWidth / 2.0;
CGFloat xOffset = 0.0;
switch(arrowLocation_) {
case info_bubble::kTopRight:
xOffset = NSMaxX(bounds) - tipXOffset;
break;
case info_bubble::kTopLeft:
xOffset = NSMinX(bounds) + tipXOffset;
break;
case info_bubble::kTopCenter:
xOffset = NSMidX(bounds);
break;
default:
NOTREACHED();
break;
}
NSPoint arrowTip = NSMakePoint(xOffset, NSMaxY(bounds));
return arrowTip;
}
- (NSColor*)backgroundColor {
return backgroundColor_;
}
- (void)setBackgroundColor:(NSColor*)backgroundColor {
backgroundColor_.reset([backgroundColor retain]);
}
- (void)setArrowLocation:(info_bubble::BubbleArrowLocation)location {
if (arrowLocation_ == location)
return;
arrowLocation_ = location;
[self setNeedsDisplayInRect:[self bounds]];
}
@end
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