Issue 465302:System wide share options on Mac

chrome/browser/app_controller_mac.mm

Index: chrome/browser/app_controller_mac.mm
diff --git a/chrome/browser/app_controller_mac.mm b/chrome/browser/app_controller_mac.mm
index 811185b1137ff73a329ac7884da9505f6ba7ae96..d3952c6a8448a113f3a0e2366f40fb5f750f07ac 100644
--- a/chrome/browser/app_controller_mac.mm
+++ b/chrome/browser/app_controller_mac.mm
@@ -66,6 +66,7 @@
 #import "chrome/browser/ui/cocoa/history_menu_bridge.h"
 #include "chrome/browser/ui/cocoa/last_active_browser_cocoa.h"
 #import "chrome/browser/ui/cocoa/profiles/profile_menu_controller.h"
+#import "chrome/browser/ui/cocoa/share_menu/share_menu_controller.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "chrome/browser/ui/startup/startup_browser_creator.h"
@@ -211,6 +212,7 @@ bool IsProfileSignedOut(Profile* profile) {
 
 - (void)initMenuState;
 - (void)initProfileMenu;
+- (void)initShareMenu;
 - (void)updateConfirmToQuitPrefMenuItem:(NSMenuItem*)item;
 - (void)updateDisplayMessageCenterPrefMenuItem:(NSMenuItem*)item;
 - (void)registerServicesMenuTypesTo:(NSApplication*)app;
@@ -388,6 +390,10 @@ class AppControllerProfileObserver : public ProfileInfoCacheObserver {
 
   // Initialize the Profile menu.
   [self initProfileMenu];
+
+  // Initialize the Share menu. Call this method only for OSX versions >= 10.9.
+  if (base::mac::IsOSMavericksOrLater())
+    [self initShareMenu];
 }
 
 - (void)unregisterEventHandlers {
@@ -750,6 +756,11 @@ class AppControllerProfileObserver : public ProfileInfoCacheObserver {
   EncodingMenuControllerDelegate::BuildEncodingMenu([self lastProfile],
                                                     encodingMenu);
 
+  // Implement delegate methods to rebuild share menu when the cursor hovers
+  // over the Share Menu Item.
+  NSMenu* fileMenu = [[[NSApp mainMenu] itemWithTag:IDC_FILE_MENU] submenu];
+  [fileMenu setDelegate:self];
+
   // Instantiate the ProfileInfoCache observer so that we can get
   // notified when a profile is deleted.
   profileInfoCacheObserver_.reset(new AppControllerProfileObserver(
@@ -1303,6 +1314,23 @@ class AppControllerProfileObserver : public ProfileInfoCacheObserver {
       [[ProfileMenuController alloc] initWithMainMenuItem:profileMenu]);
 }
 
+- (void)initShareMenu {
+  NSMenu* mainMenu = [NSApp mainMenu];
+
+  shareMenuController_.reset(
+      [[ShareMenuController alloc] initWithMainMenu:mainMenu]);
+}
+
+// Rebuild the share menu when the cursor hovers over Share Menu Item.
+// This is to ensure Share menu has updated list of items since it has been
+// changed in System Pref panel.
+- (void)menu:(NSMenu *)menu willHighlightItem:(NSMenuItem *)item {
+  if ([item tag] == IDC_SHARE_MENU) {
+    NSLog(@"menu item highlighted %@ %s", item, __FUNCTION__);
+    [shareMenuController_.get() rebuildShareMenu];
+  }
+}
+
 // The Confirm to Quit preference is atypical in that the preference lives in
 // the app menu right above the Quit menu item. This method will refresh the
 // display of that item depending on the preference state.