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