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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 CONTENT_BROWSER_WEBUI_WEB_UI_FACTORY_H_ | |
| 6 #define CONTENT_BROWSER_WEBUI_WEB_UI_FACTORY_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include "base/basictypes.h" | |
| 10 #include "chrome/browser/favicon_service.h" | |
| 11 | |
| 12 class WebUI; | |
| 13 class GURL; | |
| 14 class Profile; | |
| 15 class RefCountedMemory; | |
| 16 class TabContents; | |
| 17 | |
| 18 // An opaque identifier used to identify a WebUI. This can only be compared to | |
| 19 // kNoWebUI or other WebUI types. See GetWebUIType. | |
| 20 typedef void* WebUITypeID; | |
| 21 | |
| 22 class WebUIFactory { | |
| 23 public: | |
| 24 // A special WebUI type that signifies that a given page would not use the | |
| 25 // Web UI system. | |
| 26 static const WebUITypeID kNoWebUI; | |
| 27 | |
| 28 // Returns a type identifier indicating what WebUI we would use for the | |
| 29 // given URL. This is useful for comparing the potential WebUIs for two URLs. | |
| 30 // Returns kNoWebUI if the given URL will not use the Web UI system. | |
| 31 static WebUITypeID GetWebUIType(Profile* profile, const GURL& url); | |
| 32 | |
| 33 // Returns true if the given URL's scheme would trigger the Web UI system. | |
| 34 // This is a less precise test than UseDONUIForURL, which tells you whether | |
| 35 // that specific URL matches a known one. This one is faster and can be used | |
| 36 // to determine security policy. | |
| 37 static bool HasWebUIScheme(const GURL& url); | |
| 38 | |
| 39 // Returns true if the given URL must use the Web UI system. | |
| 40 static bool UseWebUIForURL(Profile* profile, const GURL& url); | |
| 41 | |
| 42 // Returns true if the given URL can be loaded by Web UI system. This | |
| 43 // includes URLs that can be loaded by normal tabs as well, such as | |
| 44 // javascript: URLs or about:hang. | |
| 45 static bool IsURLAcceptableForWebUI(Profile* profile, const GURL& url); | |
| 46 | |
| 47 // Allocates a new WebUI object for the given URL, and returns it. If the URL | |
| 48 // is not a Web UI URL, then it will return NULL. When non-NULL, ownership of | |
| 49 // the returned pointer is passed to the caller. | |
| 50 static WebUI* CreateWebUIForURL(TabContents* tab_contents, const GURL& url); | |
| 51 | |
| 52 // Get the favicon for |page_url| and forward the result to the |request| | |
| 53 // when loaded. | |
| 54 static void GetFaviconForURL(Profile* profile, | |
| 55 FaviconService::GetFaviconRequest* request, | |
| 56 const GURL& page_url); | |
| 57 | |
| 58 private: | |
| 59 // Gets the data for the favicon for a WebUI page. Returns NULL if the WebUI | |
| 60 // does not have a favicon. | |
| 61 static RefCountedMemory* GetFaviconResourceBytes(Profile* profile, | |
| 62 const GURL& page_url); | |
| 63 | |
| 64 DISALLOW_IMPLICIT_CONSTRUCTORS(WebUIFactory); | |
| 65 }; | |
| 66 | |
| 67 #endif // CONTENT_BROWSER_WEBUI_WEB_UI_FACTORY_H_ | |
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