1 files changed, 68 insertions, 0 deletions
diff --git a/ipc/chromium/src/base/chrome_application_mac.mm b/ipc/chromium/src/base/chrome_application_mac.mm
new file mode 100644
index 0000000000..405a02a0e7
--- /dev/null
+++ b/ipc/chromium/src/base/chrome_application_mac.mm
@@ -0,0 +1,68 @@
+// 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_application_mac.h"
+
+#include "base/logging.h"
+
+@interface CrApplication ()
+@property(readwrite, getter=isHandlingSendEvent, nonatomic)
+    BOOL handlingSendEvent;
+@end
+
+@implementation CrApplication
+@synthesize handlingSendEvent = handlingSendEvent_;
+
+// Initialize NSApplication using the custom subclass.  Check whether NSApp
+// was already initialized using another class, because that would break
+// some things.
++ (NSApplication*)sharedApplication {
+  NSApplication* app = [super sharedApplication];
+  if (![NSApp isKindOfClass:self]) {
+    CHROMIUM_LOG(ERROR) << "NSApp should be of type "
+                        << [[self className] UTF8String] << ", not "
+                        << [[NSApp className] UTF8String];
+    DCHECK(false) << "NSApp is of wrong type";
+  }
+  return app;
+}
+
+- (id)init {
+  if ((self = [super init])) {
+    eventHooks_.reset([[NSMutableArray alloc] init]);
+  }
+  return self;
+}
+
+- (void)sendEvent:(NSEvent*)event {
+  chrome_application_mac::ScopedSendingEvent sendingEventScoper;
+  for (id<CrApplicationEventHookProtocol> handler in eventHooks_.get()) {
+    [handler hookForEvent:event];
+  }
+  [super sendEvent:event];
+}
+
+- (void)addEventHook:(id<CrApplicationEventHookProtocol>)handler {
+  [eventHooks_ addObject:handler];
+}
+
+- (void)removeEventHook:(id<CrApplicationEventHookProtocol>)handler {
+  [eventHooks_ removeObject:handler];
+}
+
+@end
+
+namespace chrome_application_mac {
+
+ScopedSendingEvent::ScopedSendingEvent()
+    : app_(static_cast<CrApplication*>([CrApplication sharedApplication])),
+      handling_([app_ isHandlingSendEvent]) {
+  [app_ setHandlingSendEvent:YES];
+}
+
+ScopedSendingEvent::~ScopedSendingEvent() {
+  [app_ setHandlingSendEvent:handling_];
+}
+
+}  // namespace chrome_application_mac