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/ui/tabs/tab_strip_model_observer.h"
  11 #include "chrome/browser/ui/views/extensions/extension_view_views.h"
  12 #include "content/public/browser/notification_observer.h"
  13 #include "content/public/browser/notification_registrar.h"
  14 #include "ui/views/bubble/bubble_delegate.h"
  15 #include "ui/views/focus/widget_focus_manager.h"
  16 #include "url/gurl.h"
  17
  18 #if defined(USE_AURA)
  19 #include "ui/aura/client/activation_change_observer.h"
  20 #endif
  21
  22 class Browser;
  23 namespace views {
  24 class Widget;
  25 }
  26
  27 namespace content {
  28 class DevToolsAgentHost;
  29 }
  30
  31 namespace extensions {
  32 class ExtensionViewHost;
  33 }
  34
  35 class ExtensionPopup : public views::BubbleDelegateView,
  36 #if defined(USE_AURA)
  37                        public aura::client::ActivationChangeObserver,
  38 #endif
  39                        public ExtensionViewViews::Container,
  40                        public content::NotificationObserver,
  41                        public TabStripModelObserver {
  42  public:
  43   enum ShowAction {
  44     SHOW,
  45     SHOW_AND_INSPECT
  46   };
  47
  48   virtual ~ExtensionPopup();
  49
  50   // Create and show a popup with |url| positioned adjacent to |anchor_view|.
  51   // |browser| is the browser to which the pop-up will be attached.  NULL is a
  52   // valid parameter for pop-ups not associated with a browser.
  53   // The positioning of the pop-up is determined by |arrow| according to the
  54   // following logic:  The popup is anchored so that the corner indicated by the
  55   // value of |arrow| remains fixed during popup resizes.  If |arrow| is
  56   // BOTTOM_*, then the popup 'pops up', otherwise the popup 'drops down'.
  57   // The actual display of the popup is delayed until the page contents
  58   // finish loading in order to minimize UI flashing and resizing.
  59   static ExtensionPopup* ShowPopup(const GURL& url,
  60                                    Browser* browser,
  61                                    views::View* anchor_view,
  62                                    views::BubbleBorder::Arrow arrow,
  63                                    ShowAction show_action);
  64
  65   extensions::ExtensionViewHost* host() const { return host_.get(); }
  66
  67   // content::NotificationObserver overrides.
  68   virtual void Observe(int type,
  69                        const content::NotificationSource& source,
  70                        const content::NotificationDetails& details) OVERRIDE;
  71
  72   // ExtensionViewViews::Container overrides.
  73   virtual void OnExtensionSizeChanged(ExtensionViewViews* view) OVERRIDE;
  74
  75   // views::View overrides.
  76   virtual gfx::Size GetPreferredSize() OVERRIDE;
  77
  78   // views::BubbleDelegateView overrides.
  79   virtual void OnWidgetDestroying(views::Widget* widget) OVERRIDE;
  80   virtual void OnWidgetActivationChanged(views::Widget* widget,
  81                                          bool active) OVERRIDE;
  82
  83 #if defined(USE_AURA)
  84   // aura::client::ActivationChangeObserver overrides.
  85   virtual void OnWindowActivated(aura::Window* gained_active,
  86                                  aura::Window* lost_active) OVERRIDE;
  87 #endif
  88
  89   // TabStripModelObserver overrides.
  90   virtual void ActiveTabChanged(content::WebContents* old_contents,
  91                                 content::WebContents* new_contents,
  92                                 int index,
  93                                 int reason) OVERRIDE;
  94
  95   // The min/max height of popups.
  96   static const int kMinWidth;
  97   static const int kMinHeight;
  98   static const int kMaxWidth;
  99   static const int kMaxHeight;
 100
 101  private:
 102   ExtensionPopup(extensions::ExtensionViewHost* host,
 103                  views::View* anchor_view,
 104                  views::BubbleBorder::Arrow arrow,
 105                  ShowAction show_action);
 106
 107   // Show the bubble, focus on its content, and register listeners.
 108   void ShowBubble();
 109
 110   void OnDevToolsStateChanged(content::DevToolsAgentHost*, bool attached);
 111
 112   // The contained host for the view.
 113   scoped_ptr<extensions::ExtensionViewHost> host_;
 114
 115   // Flag used to indicate if the pop-up should open a devtools window once
 116   // it is shown inspecting it.
 117   bool inspect_with_devtools_;
 118
 119   content::NotificationRegistrar registrar_;
 120
 121   base::Callback<void(content::DevToolsAgentHost*, bool)> devtools_callback_;
 122
 123   DISALLOW_COPY_AND_ASSIGN(ExtensionPopup);
 124 };
 125
 126 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_POPUP_H_