| // Copyright 2013 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_UI_SEARCH_INSTANT_NTP_H_ |
| #define CHROME_BROWSER_UI_SEARCH_INSTANT_NTP_H_ |
| |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "base/gtest_prod_util.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "chrome/browser/ui/search/instant_loader.h" |
| #include "chrome/browser/ui/search/instant_page.h" |
| |
| class InstantNTPPrerenderer; |
| class Profile; |
| |
| namespace content { |
| class RenderViewHost; |
| class WebContents; |
| } |
| |
| // InstantNTP is used to preload an Instant page that will be swapped in when a |
| // user navigates to a New Tab Page (NTP). The InstantNTP contents are never |
| // shown in an un-committed state. |
| class InstantNTP : public InstantPage, |
| public InstantLoader::Delegate { |
| public: |
| InstantNTP(InstantNTPPrerenderer* delegate, |
| const std::string& instant_url, |
| Profile* profile); |
| virtual ~InstantNTP(); |
| |
| // Creates a new WebContents and loads |instant_url_| into it. |
| // |on_stale_callback| will be called when |loader_| determines the page to |
| // be stale. |
| void InitContents(const base::Closure& on_stale_callback); |
| |
| // Releases the WebContents for the Instant page. This should be called when |
| // the page is about to be committed. |
| scoped_ptr<content::WebContents> ReleaseContents(); |
| |
| private: |
| FRIEND_TEST_ALL_PREFIXES(InstantExtendedNetworkTest, |
| NTPReactsToNetworkChanges); |
| |
| // Overridden from content::WebContentsObserver: |
| virtual void RenderProcessGone( |
| base::TerminationStatus status) OVERRIDE; |
| |
| // Overridden from InstantLoader::Delegate: |
| virtual void OnSwappedContents() OVERRIDE; |
| virtual content::WebContents* OpenURLFromTab( |
| content::WebContents* source, |
| const content::OpenURLParams& params) OVERRIDE; |
| virtual void LoadCompletedMainFrame() OVERRIDE; |
| |
| InstantLoader loader_; |
| InstantNTPPrerenderer* const ntp_prerenderer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(InstantNTP); |
| }; |
| |
| #endif // CHROME_BROWSER_UI_SEARCH_INSTANT_NTP_H_ |