Mac OS X: Show the Translate icon on Omnibox

chrome/browser/ui/cocoa/location_bar/translate_decoration.h

+// Copyright 2013 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.
+
+#ifndef CHROME_BROWSER_UI_COCOA_LOCATION_BAR_TRANSLATE_DECORATION_H_
+#define CHROME_BROWSER_UI_COCOA_LOCATION_BAR_TRANSLATE_DECORATION_H_
+
+#import <Cocoa/Cocoa.h>
+
+#include "chrome/browser/ui/cocoa/location_bar/image_decoration.h"
+
+class CommandUpdater;
+
+class TranslateDecoration : public ImageDecoration {
+ public:
+  explicit TranslateDecoration(CommandUpdater* command_updater);
+  virtual ~TranslateDecoration();
+
+  // Toggles the icon on or off.
+  void SetToggled(bool on);

[Nico, 2014/02/05 06:07:18]

SetOn or something. "Toggled" isn't something where it's clear what it being
true or false means.

[hajimehoshi, 2014/02/05 11:08:03]

Done.

+
+  // Get the point where the translate bubble should point within the
+  // decoration's frame.
+  NSPoint GetBubblePointInFrame(NSRect frame);
+
+ private:
+  // Implement |LocationBarDecoration|
+  virtual bool AcceptsMousePress() OVERRIDE;
+  virtual bool OnMousePressed(NSRect frame) OVERRIDE;
+  virtual NSString* GetToolTip() OVERRIDE;
+
+  // For showing the translate bubble up.
+  CommandUpdater* command_updater_;  // Weak, owned by Browser.
+
+  // Whether the translate icon is lit.
+  bool toggled_;
+
+  DISALLOW_COPY_AND_ASSIGN(TranslateDecoration);
+};
+
+#endif  // CHROME_BROWSER_UI_COCOA_LOCATION_BAR_TRANSLATE_DECORATION_H_