chrome/browser/instant/instant_ntp.h - Issue 12386019: Instant: Use only one hidden WebContents per profile.

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Side by Side Diff: chrome/browser/instant/instant_ntp.h

Issue 12386019: Instant: Use only one hidden WebContents per profile. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Created 7 years, 9 months ago

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« chrome/browser/instant/instant_model.h ('K') | « chrome/browser/instant/instant_model_observer.h ('k') | chrome/browser/instant/instant_ntp.cc » ('j') | chrome/browser/instant/instant_service.h » ('J')
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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 ShouldProcessRenderViewCreated() OVERRIDE;

54 virtual bool ShouldProcessRenderViewGone() OVERRIDE;

55

56 InstantLoader loader_;

57 const std::string instant_url_;

58

59 DISALLOW_COPY_AND_ASSIGN(InstantNTP);

60 };

61

62 #endif // CHROME_BROWSER_INSTANT_INSTANT_NTP_H_

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