GTK: Add download notifications to the unity dock.

chrome/browser/ui/gtk/unity_dock_service.h

+// Copyright (c) 2011 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_GTK_UNITY_DOCK_SERVICE_H_
+#define CHROME_BROWSER_UI_GTK_UNITY_DOCK_SERVICE_H_
+
+#include "chrome/browser/ui/gtk/dock_service.h"
+
+#include <gtk/gtk.h>
+
+// Unity data typedefs.
+typedef struct _UnityLauncherEntry UnityLauncherEntry;
+typedef UnityLauncherEntry* (*unity_launcher_entry_get_for_desktop_id_func)
+    (const gchar* desktop_id);
+typedef void (*unity_launcher_entry_set_count_func)(UnityLauncherEntry* self,
+                                               gint64 value);
+typedef void (*unity_launcher_entry_set_count_visible_func)
+    (UnityLauncherEntry* self, gboolean value);
+typedef void (*unity_launcher_entry_set_progress_func)(UnityLauncherEntry* self,
+                                                       gdouble value);
+typedef void (*unity_launcher_entry_set_progress_visible_func)
+    (UnityLauncherEntry* self, gboolean value);
+
+class UnityDockService : public DockService {
+ public:
+  // Possibly sets the download counter in the dock icon. Any value other than
+  // 0 displays the badge.
+  virtual void SetDownloadCount(int count);
+
+  // Possibly sets the download progress bar in the dock icon. Any value less
+  // than 1.0 shows the progress bar.
+  virtual void SetProgressPercent(float percentage);
+
+ protected:
+  friend class DockService;
+
+  UnityDockService();
+  virtual ~UnityDockService();
+
+  // Real constructor. Returns NULL on error.
+  static DockService* Build();
+
+  // A link to the desktop entry in the panel.
+  UnityLauncherEntry* chrome_entry;
+
+  // Retrieved functions from libunity.
+  unity_launcher_entry_set_count_func entry_set_count;

[Evan Martin, 2011/04/26 00:33:52]

I feel like these are statics.  I feel like they sorta belong in the .cc in an
anon namespace.

+  unity_launcher_entry_set_count_visible_func entry_set_count_visible;
+  unity_launcher_entry_set_progress_func entry_set_progress;
+  unity_launcher_entry_set_progress_visible_func entry_set_progress_visible;
+};
+
+#endif  // CHROME_BROWSER_UI_GTK_UNITY_DOCK_SERVICE_H_