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| 1 // Copyright 2012 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/supports_user_data.h" |
| 8 #include "chrome/browser/instant/instant_controller.h" |
| 9 #include "content/public/browser/web_contents.h" |
| 10 |
| 11 namespace { |
| 12 |
| 13 const int kStalePageTimeoutMS = 3 * 3600 * 1000; // 3 hours |
| 14 |
| 15 int kUserDataKey; |
| 16 |
| 17 class InstantOverlayUserData : public base::SupportsUserData::Data { |
| 18 public: |
| 19 explicit InstantOverlayUserData(InstantOverlay* overlay) |
| 20 : overlay_(overlay) {} |
| 21 |
| 22 InstantOverlay* overlay() const { return overlay_; } |
| 23 |
| 24 private: |
| 25 ~InstantOverlayUserData() {} |
| 26 |
| 27 InstantOverlay* const overlay_; |
| 28 |
| 29 DISALLOW_COPY_AND_ASSIGN(InstantOverlayUserData); |
| 30 }; |
| 31 |
| 32 } // namespace |
| 33 |
| 34 // static |
| 35 InstantOverlay* InstantOverlay::FromWebContents( |
| 36 const content::WebContents* web_contents) { |
| 37 InstantOverlayUserData* data = static_cast<InstantOverlayUserData*>( |
| 38 web_contents->GetUserData(&kUserDataKey)); |
| 39 return data ? data->overlay() : NULL; |
| 40 } |
| 41 |
| 42 InstantOverlay::InstantOverlay(InstantController* controller, |
| 43 const std::string& instant_url) |
| 44 : InstantPage(controller), |
| 45 loader_(new InstantLoader(ALLOW_THIS_IN_INITIALIZER_LIST(this))), |
| 46 instant_url_(instant_url), |
| 47 is_stale_(false), |
| 48 is_pointer_down_from_activate_(false) { |
| 49 } |
| 50 |
| 51 InstantOverlay::~InstantOverlay() { |
| 52 } |
| 53 |
| 54 void InstantOverlay::InitContents(Profile* profile, |
| 55 const content::WebContents* active_tab) { |
| 56 loader_->Load(GURL(instant_url_), profile, active_tab, kStalePageTimeoutMS); |
| 57 api()->SetContents(contents()); |
| 58 contents()->SetUserData(&kUserDataKey, new InstantOverlayUserData(this)); |
| 59 } |
| 60 |
| 61 content::WebContents* InstantOverlay::ReleaseContents() { |
| 62 api()->SetContents(NULL); |
| 63 contents()->RemoveUserData(&kUserDataKey); |
| 64 return loader_->ReleaseContents(); |
| 65 } |
| 66 |
| 67 void InstantOverlay::DidNavigate( |
| 68 const history::HistoryAddPageArgs& add_page_args) { |
| 69 last_navigation_ = add_page_args; |
| 70 } |
| 71 |
| 72 bool InstantOverlay::IsUsingLocalPreview() const { |
| 73 return instant_url_ == InstantController::kLocalOmniboxPopupURL; |
| 74 } |
| 75 |
| 76 content::WebContents* InstantOverlay::ReplaceAndReleaseContents( |
| 77 content::WebContents* new_contents) { |
| 78 content::WebContents* old_contents = ReleaseContents(); |
| 79 loader_->SetContents(new_contents); |
| 80 api()->SetContents(new_contents); |
| 81 contents()->SetUserData(&kUserDataKey, new InstantOverlayUserData(this)); |
| 82 controller_->SwappedOverlayWebContents(); |
| 83 return old_contents; |
| 84 } |
| 85 |
| 86 void InstantOverlay::OnFocus() { |
| 87 // The preview is getting focus. Equivalent to it being clicked. |
| 88 bool tmp = is_pointer_down_from_activate_; |
| 89 is_pointer_down_from_activate_ = true; |
| 90 controller_->InstantOverlayContentsFocused(); |
| 91 is_pointer_down_from_activate_ = tmp; |
| 92 } |
| 93 |
| 94 bool InstantOverlay::OnOpenURL() { |
| 95 // Allow navigation to continue if we can commit the overlay. |
| 96 return controller_->CommitIfPossible(INSTANT_COMMIT_NAVIGATED); |
| 97 } |
| 98 |
| 99 void InstantOverlay::SetPointerDown() { |
| 100 is_pointer_down_from_activate_ = true; |
| 101 } |
| 102 |
| 103 void InstantOverlay::MaybeCommitFromPointerRelease() { |
| 104 if (is_pointer_down_from_activate_) { |
| 105 is_pointer_down_from_activate_ = false; |
| 106 controller_->CommitIfPossible(INSTANT_COMMIT_FOCUS_LOST); |
| 107 } |
| 108 } |
| 109 |
| 110 void InstantOverlay::OnStalePage() { |
| 111 is_stale_ = true; |
| 112 controller_->OnStaleOverlay(); |
| 113 } |
| 114 |
| 115 void InstantOverlay::OnUpdate() { |
| 116 last_navigation_ = history::HistoryAddPageArgs(); |
| 117 } |
| 118 |
| 119 bool InstantOverlay::OnRenderViewGone() const { |
| 120 return true; |
| 121 } |
| 122 |
| 123 bool InstantOverlay::OnAboutToNavigateMainFrame() const { |
| 124 return true; |
| 125 } |
| 126 |
| 127 bool InstantOverlay::OnSetSuggestions() const { |
| 128 return true; |
| 129 } |
| 130 |
| 131 bool InstantOverlay::OnShowInstantPreview() const { |
| 132 return true; |
| 133 } |
| 134 |
| 135 bool InstantOverlay::OnStartCapturingKeyStrokes() const { |
| 136 return true; |
| 137 } |
| 138 |
| 139 bool InstantOverlay::OnStopCapturingKeyStrokes() const { |
| 140 return true; |
| 141 } |
| 142 |
| 143 bool InstantOverlay::OnNavigateToURL() const { |
| 144 return true; |
| 145 } |
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