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| 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 CHROME_BROWSER_INSTANT_INSTANT_NTP_H_ |
| 6 #define CHROME_BROWSER_INSTANT_INSTANT_NTP_H_ |
| 7 |
| 8 #include <string> |
| 9 |
| 10 #include "base/basictypes.h" |
| 11 #include "base/compiler_specific.h" |
| 12 #include "base/memory/scoped_ptr.h" |
| 13 #include "chrome/browser/instant/instant_loader.h" |
| 14 #include "chrome/browser/instant/instant_page.h" |
| 15 |
| 16 class Profile; |
| 17 |
| 18 // InstantNTP is used to preload an Instant page that will be swapped in when a |
| 19 // user navigates to a New Tab Page (NTP). The InstantNTP contents are never |
| 20 // shown in an un-committed state. |
| 21 class InstantNTP : public InstantPage, |
| 22 public InstantLoader::Delegate { |
| 23 public: |
| 24 InstantNTP(InstantPage::Delegate* delegate, const std::string& instant_url); |
| 25 virtual ~InstantNTP(); |
| 26 |
| 27 // Creates a new WebContents and loads |instant_url_| into it. Uses |
| 28 // |active_tab|, if non-NULL, to initialize the size of the WebContents. |
| 29 // |on_stale_callback| will be called when |loader_| determines the page to |
| 30 // be stale. |
| 31 void InitContents(Profile* profile, |
| 32 const content::WebContents* active_tab, |
| 33 const base::Closure& on_stale_callback); |
| 34 |
| 35 // Releases the WebContents for the instant page. This should be called when |
| 36 // the page is about to be committed. |
| 37 scoped_ptr<content::WebContents> ReleaseContents() WARN_UNUSED_RESULT; |
| 38 |
| 39 // Returns the URL that we're loading. |
| 40 const std::string& instant_url() const { return instant_url_; } |
| 41 |
| 42 private: |
| 43 // Overriden from InstantLoader::Delegate: |
| 44 virtual void OnSwappedContents() OVERRIDE; |
| 45 virtual void OnFocus() OVERRIDE; |
| 46 virtual void OnMouseDown() OVERRIDE; |
| 47 virtual void OnMouseUp() OVERRIDE; |
| 48 virtual content::WebContents* OpenURLFromTab( |
| 49 content::WebContents* source, |
| 50 const content::OpenURLParams& params) OVERRIDE; |
| 51 |
| 52 // Overridden from InstantPage: |
| 53 virtual bool ShouldProcessAboutToNavigateMainFrame() OVERRIDE; |
| 54 virtual bool ShouldProcessSetSuggestions() OVERRIDE; |
| 55 virtual bool ShouldProcessShowInstantPreview() OVERRIDE; |
| 56 virtual bool ShouldProcessStartCapturingKeyStrokes() OVERRIDE; |
| 57 virtual bool ShouldProcessStopCapturingKeyStrokes() OVERRIDE; |
| 58 virtual bool ShouldProcessNavigateToURL() OVERRIDE; |
| 59 |
| 60 InstantLoader loader_; |
| 61 const std::string instant_url_; |
| 62 |
| 63 DISALLOW_COPY_AND_ASSIGN(InstantNTP); |
| 64 }; |
| 65 |
| 66 #endif // CHROME_BROWSER_INSTANT_INSTANT_NTP_H_ |
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