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