[Mac] Unspoofable infobars v3.

chrome/browser/ui/cocoa/infobars/infobar_controller.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 <Cocoa/Cocoa.h>
 
 #include "base/logging.h"  // for NOTREACHED()
 #include "base/mac/mac_util.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/tab_contents/confirm_infobar_delegate.h"
 #include "chrome/browser/tab_contents/link_infobar_delegate.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #import "chrome/browser/ui/cocoa/animatable_view.h"
+#import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #include "chrome/browser/ui/cocoa/event_utils.h"
 #include "chrome/browser/ui/cocoa/infobars/infobar.h"
 #import "chrome/browser/ui/cocoa/infobars/infobar_container_controller.h"
 #import "chrome/browser/ui/cocoa/infobars/infobar_controller.h"
 #import "chrome/browser/ui/cocoa/infobars/infobar_gradient_view.h"
+#import "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
 #include "third_party/GTM/AppKit/GTMUILocalizerAndLayoutTweaker.h"
 #include "ui/gfx/image/image.h"
 #include "webkit/glue/window_open_disposition.h"
 
 namespace {
 // Durations set to match the default SlideAnimation duration.
 const float kAnimateOpenDuration = 0.12;
 const float kAnimateCloseDuration = 0.12;
 }
 
@@ skipping 58 matching lines @@
 // Performs final cleanup after an animation is finished or stopped, including
 // notifying the InfoBarDelegate that the infobar was closed and removing the
 // infobar from its container, if necessary.
 - (void)cleanUpAfterAnimation:(BOOL)finished;
 
 // Sets the info bar message to the specified |message|, with a hypertext
 // style link. |link| will be inserted into message at |linkOffset|.
 - (void)setLabelToMessage:(NSString*)message
                  withLink:(NSString*)link
                  atOffset:(NSUInteger)linkOffset;
+
+// Returns the point, in gradient view coordinates, at which the apex of the
+// infobar tip should be drawn.
+- (NSPoint)pointForTipApex;
 @end
 
 @implementation InfoBarController
 
 @synthesize containerController = containerController_;
 @synthesize delegate = delegate_;
 
 - (id)initWithDelegate:(InfoBarDelegate*)delegate
                  owner:(TabContentsWrapper*)owner {
   DCHECK(delegate);
@@ skipping 18 matching lines @@
     NSRect labelFrame = [labelPlaceholder_ frame];
     labelFrame.size.width += NSMinX(imageFrame) - NSMinX(labelFrame);
     labelFrame.origin.x = imageFrame.origin.x;
     [image_ removeFromSuperview];
     [labelPlaceholder_ setFrame:labelFrame];
   }
   [self initializeLabel];
 
   [self addAdditionalControls];
 
+  infoBarView_.tipApex = [self pointForTipApex];
   [infoBarView_ setInfobarType:delegate_->GetInfoBarType()];
 }
 
 // Called when someone clicks on the embedded link.
 - (BOOL) textView:(NSTextView*)textView
     clickedOnLink:(id)link
           atIndex:(NSUInteger)charIndex {
   if ([self respondsToSelector:@selector(linkClicked)])
     [self performSelector:@selector(linkClicked)];
   return YES;
@@ skipping 201 matching lines @@
   // Insert the link text into the string at the appropriate offset.
   scoped_nsobject<NSAttributedString> attributedString(
       [[NSAttributedString alloc] initWithString:link
                                       attributes:linkAttributes]);
   [infoText.get() insertAttributedString:attributedString.get()
                                  atIndex:linkOffset];
   // Update the label view with the new text.
   [[label_.get() textStorage] setAttributedString:infoText];
 }
 
+- (NSPoint)pointForTipApex {
+  BrowserWindowController* windowController =
+      [containerController_ browserWindowController];
+  if (!windowController) {
+    // This should only happen in unit tests.
+    return NSZeroPoint;
+  }
+
+  LocationBarViewMac* locationBar = [windowController locationBarBridge];
+  NSPoint point = locationBar->GetPageInfoBubblePoint();
+  point = [infoBarView_ convertPoint:point fromView:nil];
+  return point;
+}
+
 @end
 
 
 /////////////////////////////////////////////////////////////////////////
 // LinkInfoBarController implementation
 
 @implementation LinkInfoBarController
 
 // Link infobars have a text message, of which part is linkified.  We
 // use an NSAttributedString to display styled text, and we set a
@@ skipping 166 matching lines @@
   LinkInfoBarController* controller =
       [[LinkInfoBarController alloc] initWithDelegate:this owner:owner];
   return new InfoBar(controller, this);
 }
 
 InfoBar* ConfirmInfoBarDelegate::CreateInfoBar(TabContentsWrapper* owner) {
   ConfirmInfoBarController* controller =
       [[ConfirmInfoBarController alloc] initWithDelegate:this owner:owner];
   return new InfoBar(controller, this);
 }