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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #import "chrome/browser/ui/cocoa/infobars/infobar_utilities.h"
      6 
      7 #include "base/mac/scoped_nsobject.h"
      8 #import "chrome/browser/infobars/infobar.h"
      9 #import "chrome/browser/ui/cocoa/infobars/infobar_container_controller.h"
     10 #import "chrome/browser/ui/cocoa/infobars/infobar_gradient_view.h"
     11 
     12 namespace InfoBarUtilities {
     13 
     14 // Move the |toMove| view |spacing| pixels before/after the |anchor| view.
     15 // |after| signifies the side of |anchor| on which to place |toMove|.
     16 void MoveControl(NSView* anchor, NSView* toMove, int spacing, bool after) {
     17   NSRect anchorFrame = [anchor frame];
     18   NSRect toMoveFrame = [toMove frame];
     19 
     20   // At the time of this writing, OS X doesn't natively support BiDi UIs, but
     21   // it doesn't hurt to be forward looking.
     22   bool toRight = after;
     23 
     24   if (toRight) {
     25     toMoveFrame.origin.x = NSMaxX(anchorFrame) + spacing;
     26   } else {
     27     // Place toMove to theleft of anchor.
     28     toMoveFrame.origin.x = NSMinX(anchorFrame) -
     29         spacing - NSWidth(toMoveFrame);
     30   }
     31   [toMove setFrame:toMoveFrame];
     32 }
     33 
     34 // Check that the control |before| is ordered visually before the |after|
     35 // control. Also, check that there is space between them.
     36 bool VerifyControlOrderAndSpacing(id before, id after) {
     37   NSRect beforeFrame = [before frame];
     38   NSRect afterFrame = [after frame];
     39   return NSMinX(afterFrame) >= NSMaxX(beforeFrame);
     40 }
     41 
     42 // Vertically center |toMove| in its container.
     43 void VerticallyCenterView(NSView* toMove) {
     44   NSRect superViewFrame = [[toMove superview] frame];
     45   NSRect viewFrame = [toMove frame];
     46   // If the superview is the infobar view, then subtract out the anti-spoof
     47   // height so that the content is centered in the content area of the infobar,
     48   // rather than in the total height (which includes the bulge).
     49   CGFloat superHeight = NSHeight(superViewFrame);
     50   if ([[toMove superview] isKindOfClass:[InfoBarGradientView class]])
     51     superHeight = InfoBar::kDefaultBarTargetHeight;
     52   viewFrame.origin.y =
     53       floor((superHeight - NSHeight(viewFrame)) / 2.0);
     54   [toMove setFrame:viewFrame];
     55 }
     56 
     57 // Creates a label control in the style we need for the infobar's labels
     58 // within |bounds|.
     59 NSTextField* CreateLabel(NSRect bounds) {
     60   NSTextField* ret = [[NSTextField alloc] initWithFrame:bounds];
     61   [ret setEditable:NO];
     62   [ret setDrawsBackground:NO];
     63   [ret setBordered:NO];
     64   return ret;
     65 }
     66 
     67 // Adds an item with the specified properties to |menu|.
     68 void AddMenuItem(NSMenu *menu, id target, SEL selector, NSString* title,
     69     int tag, bool enabled, bool checked) {
     70   if (tag == -1) {
     71     [menu addItem:[NSMenuItem separatorItem]];
     72   } else {
     73     base::scoped_nsobject<NSMenuItem> item(
     74         [[NSMenuItem alloc] initWithTitle:title
     75                                    action:selector
     76                             keyEquivalent:@""]);
     77     [item setTag:tag];
     78     [menu addItem:item];
     79     [item setTarget:target];
     80     if (checked)
     81       [item setState:NSOnState];
     82     if (!enabled)
     83       [item setEnabled:NO];
     84   }
     85 }
     86 
     87 }  // namespace InfoBarUtilities
     88