| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_CHROMEOS_OFFLINE_OFFLINE_LOAD_PAGE_H_ |
| #define CHROME_BROWSER_CHROMEOS_OFFLINE_OFFLINE_LOAD_PAGE_H_ |
| |
| #include <string> |
| |
| #include "base/callback.h" |
| #include "base/compiler_specific.h" |
| #include "content/public/browser/interstitial_page_delegate.h" |
| #include "net/base/network_change_notifier.h" |
| #include "url/gurl.h" |
| |
| namespace base { |
| class DictionaryValue; |
| } |
| |
| namespace content { |
| class InterstitialPage; |
| class WebContents; |
| } |
| |
| namespace extensions { |
| class Extension; |
| } |
| |
| namespace chromeos { |
| |
| // OfflineLoadPage class shows the interstitial page that is shown |
| // when no network is available and hides when some network (either |
| // one of wifi, 3g or ethernet) becomes available. |
| // It deletes itself when the interstitial page is closed. |
| class OfflineLoadPage |
| : public content::InterstitialPageDelegate, |
| public net::NetworkChangeNotifier::ConnectionTypeObserver { |
| public: |
| // Passed a boolean indicating whether or not it is OK to proceed with the |
| // page load. |
| typedef base::Callback<void(bool /*proceed*/)> CompletionCallback; |
| |
| // Create a offline load page for the |web_contents|. The callback will be |
| // run on the IO thread. |
| OfflineLoadPage(content::WebContents* web_contents, const GURL& url, |
| const CompletionCallback& callback); |
| |
| void Show(); |
| |
| protected: |
| virtual ~OfflineLoadPage(); |
| |
| // Overridden by tests. |
| virtual void NotifyBlockingPageComplete(bool proceed); |
| |
| private: |
| friend class TestOfflineLoadPage; |
| |
| // InterstitialPageDelegate implementation. |
| virtual std::string GetHTMLContents() OVERRIDE; |
| virtual void CommandReceived(const std::string& command) OVERRIDE; |
| virtual void OverrideRendererPrefs( |
| content::RendererPreferences* prefs) OVERRIDE; |
| virtual void OnProceed() OVERRIDE; |
| virtual void OnDontProceed() OVERRIDE; |
| |
| // net::NetworkChangeNotifier::ConnectionTypeObserver overrides. |
| virtual void OnConnectionTypeChanged( |
| net::NetworkChangeNotifier::ConnectionType type) OVERRIDE; |
| |
| CompletionCallback callback_; |
| |
| // True if the proceed is chosen. |
| bool proceeded_; |
| |
| content::WebContents* web_contents_; |
| GURL url_; |
| content::InterstitialPage* interstitial_page_; // Owns us. |
| |
| DISALLOW_COPY_AND_ASSIGN(OfflineLoadPage); |
| }; |
| |
| } // namespace chromeos |
| |
| #endif // CHROME_BROWSER_CHROMEOS_OFFLINE_OFFLINE_LOAD_PAGE_H_ |