Preliminary work toward page actions on Mac.

chrome/browser/cocoa/autocomplete_text_field.mm

 // Copyright (c) 2009 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/cocoa/autocomplete_text_field.h"
 
 #include "base/logging.h"
 #import "chrome/browser/cocoa/autocomplete_text_field_cell.h"
 
 @implementation AutocompleteTextField
@@ skipping 47 matching lines @@
 // editor the default NSTextField code detects if the hit is in the
 // field editor area, and if so sets the selection to {0,0} to clear
 // the selection before forwarding the event to the field editor for
 // processing (it will set the cursor position).  This also starts the
 // click-drag selection machinery.
 //
 // This code does the same thing for cases where the click was in the
 // decoration area.  This allows the user to click-drag starting from
 // a decoration area and get the expected selection behaviour,
 // likewise for multiple clicks in those areas.
-- (void)mouseDown:(NSEvent *)theEvent {
+- (void)mouseDown:(NSEvent*)theEvent {
   const NSPoint locationInWindow = [theEvent locationInWindow];
   const NSPoint location = [self convertPoint:locationInWindow fromView:nil];
 
   AutocompleteTextFieldCell* cell = [self autocompleteTextFieldCell];
   const NSRect textFrame([cell textFrameForFrame:[self bounds]]);
 
   // A version of the textFrame which extends across the field's
   // entire width.
   const NSRect bounds([self bounds]);
   const NSRect fullFrame(NSMakeRect(bounds.origin.x, textFrame.origin.y,
@@ skipping 22 matching lines @@
       NSEvent* currentEvent = [NSApp currentEvent];
       if ([currentEvent type] == NSLeftMouseUp &&
           ![editor selectedRange].length) {
         [editor selectAll:nil];
       }
     }
 
     return;
   }
 
-  // Check to see if the user clicked the security hint icon in the cell. If so,
-  // we need to display the page info window.
+  // If the user clicked the security hint icon in the cell, display the page
+  // info window.
   const NSRect hintIconFrame = [cell securityImageFrameForFrame:[self bounds]];
   if (NSMouseInRect(location, hintIconFrame, [self isFlipped])) {
     [cell onSecurityIconMousePressed];
     return;
   }
 
+  // If the user clicked a Page Action icon, execute its action.
+  const NSRect iconFrame([self bounds]);
+  const size_t pageActionCount = [cell pageActionCount];
+  for (size_t i = 0; i < pageActionCount; ++i) {
+    NSRect pageActionFrame = [cell pageActionFrameForIndex:i inFrame:iconFrame];
+    if (NSMouseInRect(location, pageActionFrame, [self isFlipped])) {
+      // TODO(pamg): Do we need to send the event?
+      [cell onPageActionMousePressedIn:pageActionFrame forIndex:i];
+      return;
+    }
+  }
+
   NSText* editor = [self currentEditor];
 
   // We should only be here if we accepted first-responder status and
   // have a field editor.  If one of these fires, it means some
   // assumptions are being broken.
   DCHECK(editor != nil);
   DCHECK([editor isDescendantOf:self]);
 
   // -becomeFirstResponder does a select-all, which we don't want
   // because it can lead to a dragged-text situation.  Clear the
@@ skipping 103 matching lines @@
   if ([self window]) {
     NSNotificationCenter* nc = [NSNotificationCenter defaultCenter];
     [nc addObserver:self
            selector:@selector(windowDidResignKey:)
                name:NSWindowDidResignKeyNotification
              object:[self window]];
   }
 }
 
 @end