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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_controller.h"
      6 
      7 #include "base/logging.h"
      8 #include "base/mac/bundle_locations.h"
      9 #include "base/mac/mac_util.h"
     10 #include "chrome/browser/infobars/infobar_service.h"
     11 #import "chrome/browser/ui/cocoa/animatable_view.h"
     12 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
     13 #import "chrome/browser/ui/cocoa/hyperlink_text_view.h"
     14 #import "chrome/browser/ui/cocoa/image_button_cell.h"
     15 #include "chrome/browser/ui/cocoa/infobars/infobar_cocoa.h"
     16 #import "chrome/browser/ui/cocoa/infobars/infobar_container_cocoa.h"
     17 #import "chrome/browser/ui/cocoa/infobars/infobar_container_controller.h"
     18 #import "chrome/browser/ui/cocoa/infobars/infobar_gradient_view.h"
     19 #import "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
     20 #include "grit/theme_resources.h"
     21 #include "grit/ui_resources.h"
     22 #include "ui/gfx/image/image.h"
     23 
     24 @interface InfoBarController ()
     25 // Sets |label_| based on |labelPlaceholder_|, sets |labelPlaceholder_| to nil.
     26 - (void)initializeLabel;
     27 @end
     28 
     29 @implementation InfoBarController
     30 
     31 @synthesize containerController = containerController_;
     32 
     33 - (id)initWithInfoBar:(InfoBarCocoa*)infobar {
     34   if ((self = [super initWithNibName:@"InfoBar"
     35                               bundle:base::mac::FrameworkBundle()])) {
     36     DCHECK(infobar);
     37     infobar_ = infobar->GetWeakPtr();
     38   }
     39   return self;
     40 }
     41 
     42 // All infobars have an icon, so we set up the icon in the base class
     43 // awakeFromNib.
     44 - (void)awakeFromNib {
     45   [[closeButton_ cell] setImageID:IDR_CLOSE_1
     46                    forButtonState:image_button_cell::kDefaultState];
     47   [[closeButton_ cell] setImageID:IDR_CLOSE_1_H
     48                    forButtonState:image_button_cell::kHoverState];
     49   [[closeButton_ cell] setImageID:IDR_CLOSE_1_P
     50                    forButtonState:image_button_cell::kPressedState];
     51   [[closeButton_ cell] setImageID:IDR_CLOSE_1
     52                    forButtonState:image_button_cell::kDisabledState];
     53 
     54   if (![self delegate]->GetIcon().IsEmpty()) {
     55     [image_ setImage:[self delegate]->GetIcon().ToNSImage()];
     56   } else {
     57     // No icon, remove it from the view and grow the textfield to include the
     58     // space.
     59     NSRect imageFrame = [image_ frame];
     60     NSRect labelFrame = [labelPlaceholder_ frame];
     61     labelFrame.size.width += NSMinX(imageFrame) - NSMinX(labelFrame);
     62     labelFrame.origin.x = imageFrame.origin.x;
     63     [image_ removeFromSuperview];
     64     image_ = nil;
     65     [labelPlaceholder_ setFrame:labelFrame];
     66   }
     67   [self initializeLabel];
     68 
     69   [self addAdditionalControls];
     70 
     71   [infoBarView_ setInfobarType:[self delegate]->GetInfoBarType()];
     72 }
     73 
     74 - (void)dealloc {
     75   [okButton_ setTarget:nil];
     76   [cancelButton_ setTarget:nil];
     77   [closeButton_ setTarget:nil];
     78   [super dealloc];
     79 }
     80 
     81 - (InfoBarCocoa*)infobar {
     82   return infobar_.get();
     83 }
     84 
     85 // Called when someone clicks on the embedded link.
     86 - (BOOL)textView:(NSTextView*)textView
     87    clickedOnLink:(id)link
     88          atIndex:(NSUInteger)charIndex {
     89   if ([self respondsToSelector:@selector(linkClicked)])
     90     [self performSelector:@selector(linkClicked)];
     91   return YES;
     92 }
     93 
     94 - (BOOL)isOwned {
     95   return infobar_ && infobar_->OwnerCocoa() != NULL;
     96 }
     97 
     98 // Called when someone clicks on the ok button.
     99 - (void)ok:(id)sender {
    100   // Subclasses must override this method if they do not hide the ok button.
    101   NOTREACHED();
    102 }
    103 
    104 // Called when someone clicks on the cancel button.
    105 - (void)cancel:(id)sender {
    106   // Subclasses must override this method if they do not hide the cancel button.
    107   NOTREACHED();
    108 }
    109 
    110 // Called when someone clicks on the close button.
    111 - (void)dismiss:(id)sender {
    112   if (![self isOwned])
    113     return;
    114   [self delegate]->InfoBarDismissed();
    115   [self removeSelf];
    116 }
    117 
    118 - (void)removeSelf {
    119   infobar_->RemoveSelf();
    120 }
    121 
    122 - (void)addAdditionalControls {
    123   // Default implementation does nothing.
    124 }
    125 
    126 - (void)infobarWillHide {
    127 }
    128 
    129 - (void)infobarWillClose {
    130 }
    131 
    132 - (void)removeButtons {
    133   // Extend the label all the way across.
    134   NSRect labelFrame = [label_.get() frame];
    135   labelFrame.size.width = NSMaxX([cancelButton_ frame]) - NSMinX(labelFrame);
    136   [okButton_ removeFromSuperview];
    137   okButton_ = nil;
    138   [cancelButton_ removeFromSuperview];
    139   cancelButton_ = nil;
    140   [label_.get() setFrame:labelFrame];
    141 }
    142 
    143 - (void)layoutArrow {
    144   [infoBarView_ setArrowHeight:infobar_->arrow_height()];
    145   [infoBarView_ setArrowHalfWidth:infobar_->arrow_half_width()];
    146   [infoBarView_ setHasTip:![containerController_ shouldSuppressTopInfoBarTip]];
    147 
    148   // Convert from window to view coordinates.
    149   NSPoint point = NSMakePoint([containerController_ infobarArrowX], 0);
    150   point = [infoBarView_ convertPoint:point fromView:nil];
    151   [infoBarView_ setArrowX:point.x];
    152 }
    153 
    154 - (void)disablePopUpMenu:(NSMenu*)menu {
    155   // If the menu is re-opened, prevent queries to update items.
    156   [menu setDelegate:nil];
    157 
    158   // Prevent target/action messages to the controller.
    159   for (NSMenuItem* item in [menu itemArray]) {
    160     [item setEnabled:NO];
    161     [item setTarget:nil];
    162   }
    163 }
    164 
    165 - (InfoBarDelegate*)delegate {
    166   return infobar_->delegate();
    167 }
    168 
    169 - (void)initializeLabel {
    170   // Replace the label placeholder NSTextField with the real label NSTextView.
    171   // The former doesn't show links in a nice way, but the latter can't be added
    172   // in IB without a containing scroll view, so create the NSTextView
    173   // programmatically.
    174   label_.reset([[HyperlinkTextView alloc]
    175       initWithFrame:[labelPlaceholder_ frame]]);
    176   [label_.get() setAutoresizingMask:[labelPlaceholder_ autoresizingMask]];
    177   [[labelPlaceholder_ superview]
    178       replaceSubview:labelPlaceholder_ with:label_.get()];
    179   labelPlaceholder_ = nil;  // Now released.
    180   [label_.get() setDelegate:self];
    181 }
    182 
    183 @end
    184