Mac: Fix 10.6 SDK compile errors due to delegate protocol requirement.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@287 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

include/cef_application_mac.h

@@ -40,9 +40,13 @@
 // Use the existing CrAppProtocol definition.
 #include "base/message_pump_mac.h"
 
+// Use the existing empty protocol definitions.
+#import "base/mac/cocoa_protocols.h"
+
 #else // BUILDING_CEF_SHARED
 
 #import <AppKit/AppKit.h>
+#import <Cocoa/Cocoa.h>
 
 // Copy of CrAppProtocol definition from base/message_pump_mac.h.
 @protocol CrAppProtocol
@@ -50,6 +54,40 @@
 - (BOOL)isHandlingSendEvent;
 @end
 
+// The Mac OS X 10.6 SDK introduced new protocols used for delegates.  These
+// protocol defintions were not present in earlier releases of the Mac OS X
+// SDK.  In order to support building against the new SDK, which requires
+// delegates to conform to these protocols, and earlier SDKs, which do not
+// define these protocols at all, this file will provide empty protocol
+// definitions when used with earlier SDK versions.
+
+#if !defined(MAC_OS_X_VERSION_10_6) || \
+MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6
+
+#define DEFINE_EMPTY_PROTOCOL(p) \
+@protocol p \
+@end
+
+DEFINE_EMPTY_PROTOCOL(NSAlertDelegate)
+DEFINE_EMPTY_PROTOCOL(NSApplicationDelegate)
+DEFINE_EMPTY_PROTOCOL(NSControlTextEditingDelegate)
+DEFINE_EMPTY_PROTOCOL(NSMatrixDelegate)
+DEFINE_EMPTY_PROTOCOL(NSMenuDelegate)
+DEFINE_EMPTY_PROTOCOL(NSOpenSavePanelDelegate)
+DEFINE_EMPTY_PROTOCOL(NSOutlineViewDataSource)
+DEFINE_EMPTY_PROTOCOL(NSOutlineViewDelegate)
+DEFINE_EMPTY_PROTOCOL(NSSpeechSynthesizerDelegate)
+DEFINE_EMPTY_PROTOCOL(NSSplitViewDelegate)
+DEFINE_EMPTY_PROTOCOL(NSTableViewDataSource)
+DEFINE_EMPTY_PROTOCOL(NSTableViewDelegate)
+DEFINE_EMPTY_PROTOCOL(NSTextFieldDelegate)
+DEFINE_EMPTY_PROTOCOL(NSTextViewDelegate)
+DEFINE_EMPTY_PROTOCOL(NSWindowDelegate)
+
+#undef DEFINE_EMPTY_PROTOCOL
+
+#endif
+
 #endif // BUILDING_CEF_SHARED
 
 // All CEF client applications must subclass NSApplication and implement this

libcef/browser_webview_mac.h

@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 #import <Cocoa/Cocoa.h>
+#import "base/mac/cocoa_protocols.h"
 #include "base/memory/scoped_nsobject.h"
 
 class CefBrowserImpl;
@@ -13,7 +14,7 @@ struct WebDropData;
 // A view to wrap the WebCore view and help it live in a Cocoa world. The
 // (rough) equivalent of Apple's WebView.
 
-@interface BrowserWebView : NSView {
+@interface BrowserWebView : NSView <NSMenuDelegate> {
  @private
   CefBrowserImpl *browser_; // weak
   NSTrackingArea *trackingArea_;

tests/cefclient/cefclient_mac.mm

@@ -58,7 +58,7 @@ static NSAutoreleasePool* g_autopool = nil;
 
 // Receives notifications from controls and the browser window. Will delete
 // itself when done.
-@interface ClientWindowDelegate : NSObject
+@interface ClientWindowDelegate : NSObject <NSWindowDelegate>
 - (IBAction)goBack:(id)sender;
 - (IBAction)goForward:(id)sender;
 - (IBAction)reload:(id)sender;
@@ -286,7 +286,7 @@ NSButton* MakeButton(NSRect* rect, NSString* title, NSView* parent) {
   [menubar addItem:testItem];
   
   // Create the delegate for control and browser window events.
-  NSObject* delegate = [[ClientWindowDelegate alloc] init];
+  ClientWindowDelegate* delegate = [[ClientWindowDelegate alloc] init];
   
   // Create the main application window.
   NSRect screen_rect = [[NSScreen mainScreen] visibleFrame];