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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_UTILS_H_ | 5 #ifndef CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_UTILS_H_ |
| 6 #define CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_UTILS_H_ | 6 #define CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_UTILS_H_ |
| 7 | 7 |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 #include "base/callback.h" | 10 #include "base/callback.h" |
| 11 | 11 |
| 12 class GURL; | 12 class GURL; |
| 13 | 13 |
| 14 namespace content { | 14 namespace content { |
| 15 class BrowserContext; | 15 class BrowserContext; |
| 16 class WebContents; | 16 class WebContents; |
| 17 } | 17 } |
| 18 | 18 |
| 19 namespace offline_pages { | 19 namespace offline_pages { |
| 20 struct OfflinePageHeader; | 20 struct OfflinePageHeader; |
| 21 struct OfflinePageItem; | 21 struct OfflinePageItem; |
| 22 | 22 |
| 23 class OfflinePageUtils { | 23 class OfflinePageUtils { |
| 24 public: | 24 public: |
| 25 // Returns true if |url| might point to an offline page. | |
| 26 static bool MightBeOfflineURL(const GURL& url); | |
| 27 | |
| 28 // Returns via callback an offline page saved for |online_url|, if any. The | 25 // Returns via callback an offline page saved for |online_url|, if any. The |
| 29 // page is chosen based on creation date; a more recently created offline | 26 // page is chosen based on creation date; a more recently created offline |
| 30 // page will be preferred over an older one. The offline page captured from | 27 // page will be preferred over an older one. The offline page captured from |
| 31 // last visit in the tab will not be considered if its tab id does not match | 28 // last visit in the tab will not be considered if its tab id does not match |
| 32 // the provided |tab_id|. | 29 // the provided |tab_id|. |
| 33 static void SelectPageForOnlineURL( | 30 static void SelectPageForOnlineURL( |
| 34 content::BrowserContext* browser_context, | 31 content::BrowserContext* browser_context, |
| 35 const GURL& online_url, | 32 const GURL& online_url, |
| 36 int tab_id, | 33 int tab_id, |
| 37 const base::Callback<void(const OfflinePageItem*)>& callback); | 34 const base::Callback<void(const OfflinePageItem*)>& callback); |
| 38 | 35 |
| 39 // Gets an online URL of an offline page with |offline_url| if one exists. | |
| 40 // Deprecated. Use |GetOnlineURLForOfflineURL|. | |
| 41 static GURL MaybeGetOnlineURLForOfflineURL( | |
| 42 content::BrowserContext* browser_context, | |
| 43 const GURL& offline_url); | |
| 44 | |
| 45 static void GetOnlineURLForOfflineURL( | |
| 46 content::BrowserContext* browser_context, | |
| 47 const GURL& offline_url, | |
| 48 const base::Callback<void(const GURL&)>& callback); | |
| 49 | |
| 50 // Checks whether |offline_url| points to an offline page. | |
| 51 // Deprecated. Use something else. | |
| 52 static bool IsOfflinePage(content::BrowserContext* browser_context, | |
| 53 const GURL& offline_url); | |
| 54 | |
| 55 // Marks that the offline page related to the |offline_url| has been accessed. | |
| 56 static void MarkPageAccessed(content::BrowserContext* browser_context, | |
| 57 const GURL& offline_url); | |
| 58 | |
| 59 // Gets the offline page corresponding to the given web contents. The | 36 // Gets the offline page corresponding to the given web contents. The |
| 60 // returned pointer is owned by the web_contents and may be deleted by user | 37 // returned pointer is owned by the web_contents and may be deleted by user |
| 61 // navigation, so it is unsafe to store a copy of the returned pointer. | 38 // navigation, so it is unsafe to store a copy of the returned pointer. |
| 62 static const OfflinePageItem* GetOfflinePageFromWebContents( | 39 static const OfflinePageItem* GetOfflinePageFromWebContents( |
| 63 content::WebContents* web_contents); | 40 content::WebContents* web_contents); |
| 64 | 41 |
| 65 // Gets the offline header provided when loading the offline page for the | 42 // Gets the offline header provided when loading the offline page for the |
| 66 // given web contents. | 43 // given web contents. |
| 67 static const OfflinePageHeader* GetOfflineHeaderFromWebContents( | 44 static const OfflinePageHeader* GetOfflineHeaderFromWebContents( |
| 68 content::WebContents* web_contents); | 45 content::WebContents* web_contents); |
| 69 | 46 |
| 70 // Gets an Android Tab ID from a tab containing |web_contents|. Returns false, | 47 // Gets an Android Tab ID from a tab containing |web_contents|. Returns false, |
| 71 // when tab is not available. Returns true otherwise and sets |tab_id| to the | 48 // when tab is not available. Returns true otherwise and sets |tab_id| to the |
| 72 // ID of the tab. | 49 // ID of the tab. |
| 73 static bool GetTabId(content::WebContents* web_contents, int* tab_id); | 50 static bool GetTabId(content::WebContents* web_contents, int* tab_id); |
| 74 }; | 51 }; |
| 75 | 52 |
| 76 } // namespace offline_pages | 53 } // namespace offline_pages |
| 77 | 54 |
| 78 #endif // CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_UTILS_H_ | 55 #endif // CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_UTILS_H_ |
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