1 // Copyright 2013 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 EXTENSIONS_BROWSER_EXTENSIONS_BROWSER_CLIENT_H_ 6 #define EXTENSIONS_BROWSER_EXTENSIONS_BROWSER_CLIENT_H_ 7 8 #include "base/memory/scoped_ptr.h" 9 10 class CommandLine; 11 class PrefService; 12 13 namespace content { 14 class BrowserContext; 15 class JavaScriptDialogManager; 16 } 17 18 namespace extensions { 19 20 class AppSorting; 21 22 // Interface to allow the extensions module to make browser-process-specific 23 // queries of the embedder. Should be Set() once in the browser process. 24 // 25 // NOTE: Methods that do not require knowledge of browser concepts should be 26 // added in ExtensionsClient (extensions/common/extensions_client.h) even if 27 // they are only used in the browser process. 28 class ExtensionsBrowserClient { 29 public: ~ExtensionsBrowserClient()30 virtual ~ExtensionsBrowserClient() {} 31 32 // Returns true if the embedder has started shutting down. 33 virtual bool IsShuttingDown() = 0; 34 35 // Returns true if extensions have been disabled (e.g. via a command-line flag 36 // or preference). 37 virtual bool AreExtensionsDisabled(const CommandLine& command_line, 38 content::BrowserContext* context) = 0; 39 40 // Returns true if the |context| is known to the embedder. 41 virtual bool IsValidContext(content::BrowserContext* context) = 0; 42 43 // Returns true if the BrowserContexts could be considered equivalent, for 44 // example, if one is an off-the-record context owned by the other. 45 virtual bool IsSameContext(content::BrowserContext* first, 46 content::BrowserContext* second) = 0; 47 48 // Returns true if |context| has an off-the-record context associated with it. 49 virtual bool HasOffTheRecordContext(content::BrowserContext* context) = 0; 50 51 // Returns the off-the-record context associated with |context|. If |context| 52 // is already off-the-record, returns |context|. 53 // WARNING: This may create a new off-the-record context. To avoid creating 54 // another context, check HasOffTheRecordContext() first. 55 virtual content::BrowserContext* GetOffTheRecordContext( 56 content::BrowserContext* context) = 0; 57 58 // Return the original "recording" context. This method returns |context| if 59 // |context| is not incognito. 60 virtual content::BrowserContext* GetOriginalContext( 61 content::BrowserContext* context) = 0; 62 63 // Returns the PrefService associated with |context|. 64 virtual PrefService* GetPrefServiceForContext( 65 content::BrowserContext* context) = 0; 66 67 // Returns true if loading background pages should be deferred. 68 virtual bool DeferLoadingBackgroundHosts( 69 content::BrowserContext* context) const = 0; 70 71 virtual bool IsBackgroundPageAllowed( 72 content::BrowserContext* context) const = 0; 73 74 // Returns true if the client version has updated since the last run. Called 75 // once each time the extensions system is loaded per browser_context. The 76 // implementation may wish to use the BrowserContext to record the current 77 // version for later comparison. 78 virtual bool DidVersionUpdate(content::BrowserContext* context) = 0; 79 80 // Creates a new AppSorting instance. 81 virtual scoped_ptr<AppSorting> CreateAppSorting() = 0; 82 83 // Return true if the system is run in forced app mode. 84 virtual bool IsRunningInForcedAppMode() = 0; 85 86 // Returns the embedder's JavaScriptDialogManager or NULL if the embedder 87 // does not support JavaScript dialogs. 88 virtual content::JavaScriptDialogManager* GetJavaScriptDialogManager() = 0; 89 90 // Returns the single instance of |this|. 91 static ExtensionsBrowserClient* Get(); 92 93 // Initialize the single instance. 94 static void Set(ExtensionsBrowserClient* client); 95 }; 96 97 } // namespace extensions 98 99 #endif // EXTENSIONS_BROWSER_EXTENSIONS_BROWSER_CLIENT_H_ 100