Show a warning bubble when the IME extension is activated.

chrome/browser/ui/views/ime/ime_warning_bubble_view.h

Index: chrome/browser/ui/views/ime/ime_warning_bubble_view.h
diff --git a/chrome/browser/ui/views/ime/ime_warning_bubble_view.h b/chrome/browser/ui/views/ime/ime_warning_bubble_view.h
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index 0000000000000000000000000000000000000000..1bbbf3f1ebe5acf8b2246c870272a7f13ca78f2a
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+++ b/chrome/browser/ui/views/ime/ime_warning_bubble_view.h
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+// Copyright 2016 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_VIEWS_IME_IME_WARNING_BUBBLE_VIEW_H_
+#define CHROME_BROWSER_UI_VIEWS_IME_IME_WARNING_BUBBLE_VIEW_H_
+
+#include "base/macros.h"
+#include "chrome/browser/ui/browser_list_observer.h"
+#include "chrome/browser/ui/toolbar/toolbar_actions_bar_observer.h"
+#include "ui/views/bubble/bubble_dialog_delegate.h"
+
+class BrowserActionsContainer;
+class BrowserView;
+class ToolbarActionsBar;
+enum class ImeWarningBubblePermissionStatus;
+
+namespace extensions {
+class Extension;
+}
+
+namespace views {
+class Checkbox;
+}
+
+using ImeWarningBubbleResponseCallback =
+    base::Callback<void(ImeWarningBubblePermissionStatus status)>;
+
+// The implementation for the IME warning bubble. Provides warning information
+// to the user upon the activation of an IME extension.
+// The ImeWarningBubbleView is self-owned and deletes itself when it is closed
+// or the parent browser is being destroyed.
+class ImeWarningBubbleView : public views::BubbleDialogDelegateView,
+                             public ToolbarActionsBarObserver,
+                             public chrome::BrowserListObserver {
+ public:
+  static void ShowBubble(const extensions::Extension* extension,
+                         BrowserView* browser_view,
+                         const ImeWarningBubbleResponseCallback& callback);
+
+  // views::DialogDelegate:
+  bool Accept() override;
+  bool Cancel() override;
+  bool ShouldDefaultButtonBeBlue() const override;
+
+  // ToolbarActionsBarObserver:
+  void OnToolbarActionsBarAnimationEnded() override;
+
+  // chrome::BrowserListObserver:
+  void OnBrowserRemoved(Browser* browser) override;
+
+ private:
+  friend class ImeWarningBubbleTest;
+
+  static ImeWarningBubbleView* ime_warning_bubble_for_test_;
+
+  ImeWarningBubbleView(const extensions::Extension* extension,
+                       BrowserView* browser_view,
+                       const ImeWarningBubbleResponseCallback& callback);
+
+  ~ImeWarningBubbleView() override;
+
+  // Recalculates the anchor position for this bubble.
+  void InitAnchorView();
+
+  // Intializes the layout for the bubble.
+  void InitLayout();
+
+  // Returns true if the action toolbar is animating.
+  bool IsToolbarAnimating();
+
+  const extensions::Extension* extension_;
+  BrowserView* browser_view_;
+
+  // Saves the Browser instance of the browser view, which will be used in
+  // OnBrowserRemoved(), as browser_view_->browser() may be null when
+  // OnBrowserRemoved() is called.
+  Browser* browser_;
+
+  // True if bubble anchors to the browser action of the extension.
+  bool anchor_to_browser_action_;
+
+  // The check box on the bubble view.
+  views::Checkbox* never_show_checkbox_;
+
+  ImeWarningBubbleResponseCallback response_callback_;
+
+  // True if the warning bubble has been shown.
+  bool bubble_has_shown_;
+
+  BrowserActionsContainer* container_;
+
+  ToolbarActionsBar* toolbar_actions_bar_;
+
+  ScopedObserver<ToolbarActionsBar, ToolbarActionsBarObserver>
+      toolbar_actions_bar_observer_;
+
+  base::WeakPtrFactory<ImeWarningBubbleView> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(ImeWarningBubbleView);
+};
+
+#endif  // CHROME_BROWSER_UI_VIEWS_IME_IME_WARNING_BUBBLE_VIEW_H_