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| 1 // Copyright 2017 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_UI_APP_LIST_SEARCH_ANSWER_WEB_CONTENTS_DELEGATE_H_ | |
| 6 #define CHROME_BROWSER_UI_APP_LIST_SEARCH_ANSWER_WEB_CONTENTS_DELEGATE_H_ | |
| 7 | |
| 8 #include <memory> | |
| 9 #include <string> | |
| 10 | |
| 11 #include "base/time/time.h" | |
| 12 #include "content/public/browser/web_contents_delegate.h" | |
| 13 #include "content/public/browser/web_contents_observer.h" | |
| 14 #include "ui/app_list/search_provider.h" | |
| 15 #include "url/gurl.h" | |
| 16 | |
| 17 class Profile; | |
| 18 | |
| 19 namespace app_list { | |
| 20 class AppListModel; | |
| 21 } | |
| 22 | |
| 23 namespace net { | |
| 24 class HttpResponseHeaders; | |
| 25 } | |
| 26 | |
| 27 namespace views { | |
| 28 class View; | |
| 29 class WebView; | |
| 30 } | |
| 31 | |
| 32 namespace app_list { | |
| 33 | |
| 34 // Search provider for the answer card. | |
| 35 class SearchAnswerWebContentsDelegate : public SearchProvider, | |
| 36 public content::WebContentsDelegate, | |
| 37 public content::WebContentsObserver { | |
| 38 public: | |
| 39 SearchAnswerWebContentsDelegate(Profile* profile, | |
| 40 app_list::AppListModel* model); | |
| 41 | |
| 42 ~SearchAnswerWebContentsDelegate() override; | |
| 43 | |
| 44 // Returns a pointer to the web view for the web contents managed by this | |
| 45 // class. The object is owned by this class and has property | |
| 46 // 'set_owned_by_client()' set. | |
| 47 views::View* web_view(); | |
| 48 | |
| 49 // SearchProvider overrides: | |
| 50 void Start(bool is_voice_query, const base::string16& query) override; | |
| 51 void Stop() override {} | |
| 52 | |
| 53 // content::WebContentsDelegate overrides: | |
| 54 void UpdatePreferredSize(content::WebContents* web_contents, | |
| 55 const gfx::Size& pref_size) override; | |
| 56 | |
| 57 content::WebContents* OpenURLFromTab( | |
| 58 content::WebContents* source, | |
| 59 const content::OpenURLParams& params) override; | |
| 60 | |
| 61 bool HandleContextMenu(const content::ContextMenuParams& params) override; | |
| 62 | |
| 63 // content::WebContentsObserver overrides: | |
| 64 void DidFinishNavigation( | |
| 65 content::NavigationHandle* navigation_handle) override; | |
| 66 void DidStopLoading() override; | |
| 67 void DidGetUserInteraction(const blink::WebInputEvent::Type type) override; | |
| 68 | |
| 69 private: | |
| 70 bool IsCardSizeOk() const; | |
| 71 void RecordReceivedAnswerFinalResult(); | |
| 72 void OnResultAvailable(bool is_available); | |
| 73 bool ParseResponseHeaders(const net::HttpResponseHeaders* headers); | |
| 74 | |
| 75 // Unowned pointer to the associated profile. | |
| 76 Profile* const profile_; | |
| 77 | |
| 78 // Unowned pointer to app list model. | |
| 79 app_list::AppListModel* const model_; | |
| 80 | |
| 81 // Web view for the web contents managed by this class. | |
| 82 const std::unique_ptr<views::WebView> web_view_; | |
| 83 | |
| 84 // Whether have received a server response for the current query string, and | |
| 85 // the response contains an answer. | |
| 86 bool received_answer_ = false; | |
| 87 | |
| 88 // Web contents managed by this class. | |
| 89 const std::unique_ptr<content::WebContents> web_contents_; | |
| 90 | |
| 91 // If valid, URL of the answer server. Otherwise, search answers are disabled. | |
| 92 GURL answer_server_url_; | |
| 93 | |
| 94 // URL of the current answer server request. | |
| 95 GURL current_request_url_; | |
| 96 | |
| 97 // Time when the current server request started. | |
| 98 base::TimeTicks server_request_start_time_; | |
| 99 | |
| 100 // Time when the current server response loaded. | |
| 101 base::TimeTicks answer_loaded_time_; | |
| 102 | |
| 103 // When in the dark run mode, indicates whether we mimic that the server | |
| 104 // response contains an answer. | |
| 105 bool dark_run_received_answer_ = false; | |
| 106 | |
| 107 // Url to open when the user clicks at the result. | |
| 108 std::string result_url_; | |
| 109 | |
| 110 DISALLOW_COPY_AND_ASSIGN(SearchAnswerWebContentsDelegate); | |
| 111 }; | |
| 112 | |
| 113 } // namespace app_list | |
| 114 | |
| 115 #endif // CHROME_BROWSER_UI_APP_LIST_SEARCH_ANSWER_WEB_CONTENTS_DELEGATE_H_ | |
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