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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 #include "chrome/browser/instant/instant_overlay.h" | |
6 | |
7 #include "base/auto_reset.h" | |
8 #include "base/supports_user_data.h" | |
9 #include "content/public/browser/web_contents.h" | |
10 | |
11 namespace { | |
12 | |
13 int kUserDataKey; | |
14 | |
15 class InstantOverlayUserData : public base::SupportsUserData::Data { | |
16 public: | |
17 explicit InstantOverlayUserData(InstantOverlay* overlay) | |
18 : overlay_(overlay) {} | |
19 | |
20 InstantOverlay* overlay() const { return overlay_; } | |
21 | |
22 private: | |
23 ~InstantOverlayUserData() {} | |
sreeram
2013/02/07 18:22:46
Add "virtual" here (cf: rsleevi's on going effort
samarth
2013/02/07 22:11:55
Done.
| |
24 | |
25 InstantOverlay* const overlay_; | |
26 | |
27 DISALLOW_COPY_AND_ASSIGN(InstantOverlayUserData); | |
28 }; | |
29 | |
30 } // namespace | |
31 | |
32 // static | |
33 InstantOverlay* InstantOverlay::FromWebContents( | |
34 const content::WebContents* web_contents) { | |
35 InstantOverlayUserData* data = static_cast<InstantOverlayUserData*>( | |
36 web_contents->GetUserData(&kUserDataKey)); | |
37 return data ? data->overlay() : NULL; | |
38 } | |
39 | |
40 InstantOverlay::InstantOverlay(InstantController* controller, | |
41 const std::string& instant_url) | |
42 : InstantPage(controller), | |
43 loader_(ALLOW_THIS_IN_INITIALIZER_LIST(this)), | |
44 instant_url_(instant_url), | |
45 is_stale_(false), | |
46 is_pointer_down_from_activate_(false) { | |
47 } | |
48 | |
49 InstantOverlay::~InstantOverlay() { | |
50 } | |
51 | |
52 void InstantOverlay::InitContents(Profile* profile, | |
53 const content::WebContents* active_tab) { | |
54 loader_.Init(GURL(instant_url_), profile, active_tab, | |
55 base::Bind(&InstantOverlay::HandleStalePage, | |
56 base::Unretained(this))); | |
57 SetContents(loader_.contents()); | |
58 contents()->SetUserData(&kUserDataKey, new InstantOverlayUserData(this)); | |
59 loader_.Load(); | |
60 } | |
61 | |
62 scoped_ptr<content::WebContents> InstantOverlay::ReleaseContents() { | |
63 contents()->RemoveUserData(&kUserDataKey); | |
64 SetContents(NULL); | |
65 return loader_.ReleaseContents(); | |
66 } | |
67 | |
68 void InstantOverlay::DidNavigate( | |
69 const history::HistoryAddPageArgs& add_page_args) { | |
70 last_navigation_ = add_page_args; | |
71 } | |
72 | |
73 bool InstantOverlay::IsUsingLocalPreview() const { | |
74 return instant_url_ == InstantController::kLocalOmniboxPopupURL; | |
75 } | |
76 | |
77 void InstantOverlay::Update(const string16& text, | |
78 size_t selection_start, | |
79 size_t selection_end, | |
80 bool verbatim) { | |
81 last_navigation_ = history::HistoryAddPageArgs(); | |
82 InstantPage::Update(text, selection_start, selection_end, verbatim); | |
83 } | |
84 | |
85 void InstantOverlay::OnSwappedContents() { | |
86 contents()->RemoveUserData(&kUserDataKey); | |
87 SetContents(loader_.contents()); | |
88 contents()->SetUserData(&kUserDataKey, new InstantOverlayUserData(this)); | |
89 instant_controller()->SwappedOverlayContents(); | |
90 } | |
91 | |
92 void InstantOverlay::OnFocus() { | |
93 // The preview is getting focus. Equivalent to it being clicked. | |
94 base::AutoReset<bool> reset(&is_pointer_down_from_activate_, true); | |
95 instant_controller()->FocusedOverlayContents(); | |
96 } | |
97 | |
98 void InstantOverlay::OnMouseDown() { | |
99 is_pointer_down_from_activate_ = true; | |
100 } | |
101 | |
102 void InstantOverlay::OnMouseUp() { | |
103 if (is_pointer_down_from_activate_) { | |
104 is_pointer_down_from_activate_ = false; | |
105 instant_controller()->CommitIfPossible(INSTANT_COMMIT_FOCUS_LOST); | |
106 } | |
107 } | |
108 | |
109 content::WebContents* InstantOverlay::OpenURLFromTab( | |
110 content::WebContents* source, | |
111 const content::OpenURLParams& params) { | |
112 // We will allow the navigate to continue if we are able to commit the | |
113 // overlay. | |
114 // | |
115 // First, cache the overlay contents since committing it will cause the | |
116 // contents to be released (and be set to NULL). | |
117 content::WebContents* overlay = contents(); | |
118 if (instant_controller()->CommitIfPossible(INSTANT_COMMIT_NAVIGATED)) { | |
119 // If the commit was successful, the overlay's delegate should be the tab | |
120 // strip, which will be able to handle the navigation. | |
121 DCHECK_NE(&loader_, overlay->GetDelegate()); | |
122 return overlay->GetDelegate()->OpenURLFromTab(source, params); | |
123 } | |
124 return NULL; | |
125 } | |
126 | |
127 void InstantOverlay::HandleStalePage() { | |
128 is_stale_ = true; | |
129 instant_controller()->ReloadOverlayIfStale(); | |
130 } | |
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