MacViews: Get views based FindBar to compile on the Mac.

chrome/browser/ui/cocoa/find_bar/find_bar_view.mm

-// 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.h"
-
-#import "chrome/browser/ui/cocoa/themed_window.h"
-#import "chrome/browser/ui/cocoa/url_drop_target.h"
-#import "chrome/browser/ui/cocoa/view_id_util.h"
-#import "ui/base/cocoa/nsgraphics_context_additions.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)rect {
-  const CGFloat lineWidth = [self cr_lineWidth];
-  const CGFloat halfLineWidth = lineWidth / 2.0;
-
-  // TODO(rohitrao): Make this prettier.
-  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;
-    NSGraphicsContext* context = [NSGraphicsContext currentContext];
-    [path addClip];
-
-    // Set the pattern phase
-    NSPoint position = [[self window]
-        themeImagePositionForAlignment:THEME_IMAGE_ALIGN_WITH_TAB_STRIP];
-    [context cr_setPatternPhase:position forView:self];
-
-    [super drawBackgroundWithOpaque:YES];
-  }
-
-  [[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