src/chrome/browser/ui/views/extensions/extension_popup.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_POPUP_H_
   6 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_POPUP_H_
   7
   8 #include "base/callback.h"
   9 #include "base/compiler_specific.h"
  10 #include "chrome/browser/extensions/extension_host.h"
  11 #include "chrome/browser/ui/views/extensions/extension_view_views.h"
  12 #include "content/public/browser/notification_observer.h"
  13 #include "ui/views/bubble/bubble_delegate.h"
  14 #include "ui/views/focus/widget_focus_manager.h"
  15 #include "url/gurl.h"
  16
  17 class Browser;
  18 namespace views {
  19 class Widget;
  20 }
  21
  22 namespace content {
  23 class DevToolsAgentHost;
  24 }
  25
  26 class ExtensionPopup : public views::BubbleDelegateView,
  27                        public ExtensionViewViews::Container,
  28                        public content::NotificationObserver {
  29  public:
  30   enum ShowAction {
  31     SHOW,
  32     SHOW_AND_INSPECT
  33   };
  34
  35   virtual ~ExtensionPopup();
  36
  37   // Create and show a popup with |url| positioned adjacent to |anchor_view|.
  38   // |browser| is the browser to which the pop-up will be attached.  NULL is a
  39   // valid parameter for pop-ups not associated with a browser.
  40   // The positioning of the pop-up is determined by |arrow| according to the
  41   // following logic:  The popup is anchored so that the corner indicated by the
  42   // value of |arrow| remains fixed during popup resizes.  If |arrow| is
  43   // BOTTOM_*, then the popup 'pops up', otherwise the popup 'drops down'.
  44   // The actual display of the popup is delayed until the page contents
  45   // finish loading in order to minimize UI flashing and resizing.
  46   static ExtensionPopup* ShowPopup(const GURL& url,
  47                                    Browser* browser,
  48                                    views::View* anchor_view,
  49                                    views::BubbleBorder::Arrow arrow,
  50                                    ShowAction show_action);
  51
  52   extensions::ExtensionHost* host() const { return extension_host_.get(); }
  53
  54   // content::NotificationObserver overrides.
  55   virtual void Observe(int type,
  56                        const content::NotificationSource& source,
  57                        const content::NotificationDetails& details) OVERRIDE;
  58
  59   // ExtensionViewViews::Container overrides.
  60   virtual void OnExtensionSizeChanged(ExtensionViewViews* view) OVERRIDE;
  61
  62   // views::View overrides.
  63   virtual gfx::Size GetPreferredSize() OVERRIDE;
  64
  65   // views::BubbleDelegateView overrides.
  66   virtual void OnWidgetActivationChanged(views::Widget* widget, bool active)
  67       OVERRIDE;
  68
  69   // The min/max height of popups.
  70   static const int kMinWidth;
  71   static const int kMinHeight;
  72   static const int kMaxWidth;
  73   static const int kMaxHeight;
  74
  75  private:
  76   ExtensionPopup(extensions::ExtensionHost* host,
  77                  views::View* anchor_view,
  78                  views::BubbleBorder::Arrow arrow,
  79                  ShowAction show_action);
  80
  81   // Show the bubble, focus on its content, and register listeners.
  82   void ShowBubble();
  83
  84   void OnDevToolsStateChanged(content::DevToolsAgentHost*, bool attached);
  85
  86   // The contained host for the view.
  87   scoped_ptr<extensions::ExtensionHost> extension_host_;
  88
  89   // Flag used to indicate if the pop-up should open a devtools window once
  90   // it is shown inspecting it.
  91   bool inspect_with_devtools_;
  92
  93   content::NotificationRegistrar registrar_;
  94
  95   base::Callback<void(content::DevToolsAgentHost*, bool)> devtools_callback_;
  96
  97   DISALLOW_COPY_AND_ASSIGN(ExtensionPopup);
  98 };
  99
 100 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_POPUP_H_