Introduces the UI for the settings of notifiers.

Although this adds the UI, it's still unavailable because there remain
two large TODOs:
- icon loader
- integration with preferences
They'll be done in other CLs.

BUG=161094


Review URL: https://chromiumcodereview.appspot.com/12018006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@178240 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 95 insertions, 0 deletions

diff --git a/ui/message_center/notifier_settings.h b/ui/message_center/notifier_settings.h
new file mode 100644
index 0000000..a8f3bb0
--- /dev/null
+++ b/ui/message_center/notifier_settings.h
@@ -0,0 +1,95 @@
+// Copyright (c) 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 UI_MESSAGE_CENTER_NOTIFIER_SETTINGS_H_
+#define UI_MESSAGE_CENTER_NOTIFIER_SETTINGS_H_
+
+#include <map>
+#include <string>
+#include <vector>
+
+#include "base/string16.h"
+#include "ui/gfx/image/image_skia.h"
+#include "ui/message_center/message_center_export.h"
+#include "ui/views/controls/button/button.h"
+#include "ui/views/widget/widget_delegate.h"
+
+namespace message_center {
+
+// A class to show the list of notifier extensions / URL patterns and allow
+// users to customize the settings.
+class MESSAGE_CENTER_EXPORT NotifierSettingsView
+    : public views::WidgetDelegateView,
+      public views::ButtonListener {
+ public:
+  struct MESSAGE_CENTER_EXPORT Notifier {
+    enum NotifierType {
+      APPLICATION,
+      URL_PATTERN,
+    };
+
+    Notifier(const std::string& id, NotifierType type, const string16& name);
+
+    // The identifier of the notifier. The extension id or URL pattern itself.
+    std::string id;
+
+    // The human-readable name of the notifier such like the extension name.
+    // It can be empty.
+    string16 name;
+
+    // True if the source is allowed to send notifications. True is default.
+    bool enabled;
+
+    // The type of notifier: Chrome app or URL pattern.
+    NotifierType type;
+
+    // The icon image of the notifier. The extension icon or favicon.
+    gfx::ImageSkia icon;
+  };
+
+  class MESSAGE_CENTER_EXPORT Delegate {
+   public:
+    // Collects the current notifier list and fills to |notifiers|.
+    virtual void GetNotifierList(std::vector<Notifier>* notifiers) = 0;
+
+    // Called when the |enabled| for the |id| has been changed by user
+    // operation.
+    virtual void SetNotifierEnabled(const std::string& id, bool enabled) = 0;
+
+    // Called when the settings window is closed.
+    virtual void OnNotifierSettingsClosing(NotifierSettingsView* view) = 0;
+  };
+
+  // Create a new widget of the notifier settings and returns it. Note that
+  // the widget and the view is self-owned. It'll be deleted when it's closed
+  // or the chrome's shutdown.
+  static NotifierSettingsView* Create(Delegate* delegate);
+
+  void UpdateIconImage(const std::string& id, const gfx::ImageSkia& icon);
+
+ private:
+  class NotifierButton;
+
+  NotifierSettingsView(Delegate* delegate);
+  virtual ~NotifierSettingsView();
+
+  // views::WidgetDelegate overrides:
+  virtual bool CanResize() const OVERRIDE;
+  virtual string16 GetWindowTitle() const OVERRIDE;
+  virtual void WindowClosing() OVERRIDE;
+  virtual views::View* GetContentsView() OVERRIDE;
+
+  // views::ButtonListener overrides:
+  virtual void ButtonPressed(views::Button* sender,
+                             const ui::Event& event) OVERRIDE;
+
+  Delegate* delegate_;
+  std::set<NotifierButton*> buttons_;
+
+  DISALLOW_COPY_AND_ASSIGN(NotifierSettingsView);
+};
+
+}  // namespace message_center
+
+#endif  // UI_MESSAGE_CENTER_NOTIFIER_SETTINGS_H_