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| 1 // Copyright (c) 2011 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_SIDEBAR_SIDEBAR_MANAGER_H_ | |
| 6 #define CHROME_BROWSER_SIDEBAR_SIDEBAR_MANAGER_H_ | |
| 7 | |
| 8 #include <map> | |
| 9 #include <string> | |
| 10 | |
| 11 #include "base/memory/ref_counted.h" | |
| 12 #include "base/string16.h" | |
| 13 #include "chrome/browser/sidebar/sidebar_container.h" | |
| 14 #include "content/public/browser/notification_observer.h" | |
| 15 #include "content/public/browser/notification_registrar.h" | |
| 16 | |
| 17 class GURL; | |
| 18 class SidebarContainer; | |
| 19 class SkBitmap; | |
| 20 class TabContents; | |
| 21 | |
| 22 namespace content { | |
| 23 class WebContents; | |
| 24 } | |
| 25 | |
| 26 /////////////////////////////////////////////////////////////////////////////// | |
| 27 // SidebarManager | |
| 28 // | |
| 29 // This class is a singleton that manages SidebarContainer instances and | |
| 30 // maintains a connection between tabs and sidebars. | |
| 31 // | |
| 32 class SidebarManager : public content::NotificationObserver, | |
| 33 public base::RefCounted<SidebarManager>, | |
| 34 private SidebarContainer::Delegate { | |
| 35 public: | |
| 36 // Returns s singleton instance. | |
| 37 static SidebarManager* GetInstance(); | |
| 38 | |
| 39 // Returns true if sidebar is allowed to be displayed in the browser. | |
| 40 static bool IsSidebarAllowed(); | |
| 41 | |
| 42 SidebarManager(); | |
| 43 | |
| 44 // Returns SidebarContainer registered for |tab| and active or NULL if | |
| 45 // there is no alive and active SidebarContainer registered for |tab|. | |
| 46 SidebarContainer* GetActiveSidebarContainerFor(TabContents* tab); | |
| 47 | |
| 48 // Returns SidebarContainer registered for |tab| and |content_id| or NULL if | |
| 49 // there is no such SidebarContainer registered. | |
| 50 SidebarContainer* GetSidebarContainerFor(content::WebContents* tab, | |
| 51 const std::string& content_id); | |
| 52 | |
| 53 // Returns sidebar's TabContents registered for |tab| and |content_id|. | |
| 54 TabContents* GetSidebarTabContents(TabContents* tab, | |
| 55 const std::string& content_id); | |
| 56 | |
| 57 // Sends sidebar state change notification to extensions. | |
| 58 void NotifyStateChanges(TabContents* was_active_sidebar_contents, | |
| 59 TabContents* active_sidebar_contents); | |
| 60 | |
| 61 // Functions supporting chrome.experimental.sidebar API. | |
| 62 | |
| 63 // Shows sidebar identified by |tab| and |content_id| (only sidebar's | |
| 64 // mini tab is visible). | |
| 65 void ShowSidebar(TabContents* tab, const std::string& content_id); | |
| 66 | |
| 67 // Expands sidebar identified by |tab| and |content_id|. | |
| 68 void ExpandSidebar(TabContents* tab, const std::string& content_id); | |
| 69 | |
| 70 // Collapses sidebar identified by |tab| and |content_id| (has no effect | |
| 71 // if sidebar is not expanded). | |
| 72 void CollapseSidebar(TabContents* tab, const std::string& content_id); | |
| 73 | |
| 74 // Hides sidebar identified by |tab| and |content_id| (removes sidebar's | |
| 75 // mini tab). | |
| 76 void HideSidebar(content::WebContents* tab, const std::string& content_id); | |
| 77 | |
| 78 // Navigates sidebar identified by |tab| and |content_id| to |url|. | |
| 79 void NavigateSidebar(TabContents* tab, | |
| 80 const std::string& content_id, | |
| 81 const GURL& url); | |
| 82 | |
| 83 // Changes sidebar's badge text (displayed on the mini tab). | |
| 84 void SetSidebarBadgeText(TabContents* tab, | |
| 85 const std::string& content_id, | |
| 86 const string16& badge_text); | |
| 87 | |
| 88 // Changes sidebar's icon (displayed on the mini tab). | |
| 89 void SetSidebarIcon(TabContents* tab, | |
| 90 const std::string& content_id, | |
| 91 const SkBitmap& bitmap); | |
| 92 | |
| 93 // Changes sidebar's title (mini tab's tooltip). | |
| 94 void SetSidebarTitle(TabContents* tab, | |
| 95 const std::string& content_id, | |
| 96 const string16& title); | |
| 97 | |
| 98 private: | |
| 99 friend class base::RefCounted<SidebarManager>; | |
| 100 | |
| 101 virtual ~SidebarManager(); | |
| 102 | |
| 103 // Overridden from content::NotificationObserver. | |
| 104 virtual void Observe(int type, | |
| 105 const content::NotificationSource& source, | |
| 106 const content::NotificationDetails& details) OVERRIDE; | |
| 107 | |
| 108 // Overridden from SidebarContainer::Delegate. | |
| 109 virtual void UpdateSidebar(SidebarContainer* host) OVERRIDE; | |
| 110 | |
| 111 // Hides all sidebars registered for |tab|. | |
| 112 void HideAllSidebars(content::WebContents* tab); | |
| 113 | |
| 114 // Returns SidebarContainer corresponding to |sidebar_contents|. | |
| 115 SidebarContainer* FindSidebarContainerFor(TabContents* sidebar_contents); | |
| 116 | |
| 117 // Registers new SidebarContainer for |tab|. There must be no | |
| 118 // other SidebarContainers registered for the RenderViewHost at the moment. | |
| 119 void RegisterSidebarContainerFor(content::WebContents* tab, | |
| 120 SidebarContainer* container); | |
| 121 | |
| 122 // Unregisters SidebarContainer identified by |tab| and |content_id|. | |
| 123 void UnregisterSidebarContainerFor(content::WebContents* tab, | |
| 124 const std::string& content_id); | |
| 125 | |
| 126 // Records the link between |tab| and |sidebar_host|. | |
| 127 void BindSidebarHost(content::WebContents* tab, | |
| 128 SidebarContainer* sidebar_host); | |
| 129 | |
| 130 // Forgets the link between |tab| and |sidebar_host|. | |
| 131 void UnbindSidebarHost(content::WebContents* tab, | |
| 132 SidebarContainer* sidebar_host); | |
| 133 | |
| 134 content::NotificationRegistrar registrar_; | |
| 135 | |
| 136 // This map stores sidebars linked to a particular tab. Sidebars are | |
| 137 // identified by their unique content id (string). | |
| 138 typedef std::map<std::string, SidebarContainer*> ContentIdToSidebarHostMap; | |
| 139 | |
| 140 // These two maps are for tracking dependencies between tabs and | |
| 141 // their SidebarContainers. | |
| 142 // | |
| 143 // SidebarManager start listening to SidebarContainers when they are put | |
| 144 // into these maps and removes them when they are closing. | |
| 145 struct SidebarStateForTab; | |
| 146 typedef std::map<content::WebContents*, SidebarStateForTab> | |
| 147 TabToSidebarHostMap; | |
| 148 TabToSidebarHostMap tab_to_sidebar_host_; | |
| 149 | |
| 150 typedef std::map<SidebarContainer*, content::WebContents*> | |
| 151 SidebarHostToTabMap; | |
| 152 SidebarHostToTabMap sidebar_host_to_tab_; | |
| 153 | |
| 154 DISALLOW_COPY_AND_ASSIGN(SidebarManager); | |
| 155 }; | |
| 156 | |
| 157 #endif // CHROME_BROWSER_SIDEBAR_SIDEBAR_MANAGER_H_ | |
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