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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,123 @@ | ||
| // Copyright (c) 2019 The Brave Authors. All rights reserved. | ||
| // This Source Code Form is subject to the terms of the Mozilla Public | ||
| // License, v. 2.0. If a copy of the MPL was not distributed with this file, | ||
| // you can obtain one at http://mozilla.org/MPL/2.0/. | ||
|
|
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| #include "brave/browser/ui/webui/brave_new_tab_message_handler.h" | ||
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| #include <string> | ||
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| #include "base/bind.h" | ||
| #include "base/values.h" | ||
| #include "brave/browser/ui/webui/brave_new_tab_ui.h" | ||
| #include "brave/browser/search_engines/search_engine_provider_util.h" | ||
| #include "brave/common/pref_names.h" | ||
| #include "chrome/browser/profiles/profile.h" | ||
| #include "components/prefs/pref_service.h" | ||
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| BraveNewTabMessageHandler::BraveNewTabMessageHandler(BraveNewTabUI* web_ui) | ||
| : new_tab_web_ui_(web_ui) { | ||
| } | ||
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| BraveNewTabMessageHandler::~BraveNewTabMessageHandler() {} | ||
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| void BraveNewTabMessageHandler::OnJavascriptAllowed() { | ||
| // Observe relevant preferences | ||
| PrefService* prefs = Profile::FromWebUI(web_ui())->GetPrefs(); | ||
| pref_change_registrar_.Init(prefs); | ||
| // Stats | ||
| pref_change_registrar_.Add(kAdsBlocked, | ||
| base::Bind(&BraveNewTabMessageHandler::OnStatsChanged, | ||
| base::Unretained(this))); | ||
| pref_change_registrar_.Add(kTrackersBlocked, | ||
| base::Bind(&BraveNewTabMessageHandler::OnStatsChanged, | ||
| base::Unretained(this))); | ||
| pref_change_registrar_.Add(kHttpsUpgrades, | ||
| base::Bind(&BraveNewTabMessageHandler::OnStatsChanged, | ||
| base::Unretained(this))); | ||
| // Private New Tab Page preferences | ||
| pref_change_registrar_.Add(kUseAlternativeSearchEngineProvider, | ||
| base::Bind(&BraveNewTabMessageHandler::OnPrivatePropertiesChanged, | ||
| base::Unretained(this))); | ||
| pref_change_registrar_.Add(kAlternativeSearchEngineProviderInTor, | ||
| base::Bind(&BraveNewTabMessageHandler::OnPrivatePropertiesChanged, | ||
| base::Unretained(this))); | ||
| // New Tab Page preferences | ||
| pref_change_registrar_.Add(kNewTabPageShowBackgroundImage, | ||
| base::Bind(&BraveNewTabMessageHandler::OnPreferencesChanged, | ||
| base::Unretained(this))); | ||
| } | ||
|
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| void BraveNewTabMessageHandler::OnJavascriptDisallowed() { | ||
| pref_change_registrar_.RemoveAll(); | ||
| } | ||
|
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| void BraveNewTabMessageHandler::RegisterMessages() { | ||
| web_ui()->RegisterMessageCallback( | ||
| "newTabPageInitialized", | ||
| base::BindRepeating( | ||
| &BraveNewTabMessageHandler::HandleInitialized, | ||
| base::Unretained(this))); | ||
| web_ui()->RegisterMessageCallback( | ||
| "toggleAlternativePrivateSearchEngine", | ||
| base::BindRepeating( | ||
| &BraveNewTabMessageHandler::HandleToggleAlternativeSearchEngineProvider, | ||
| base::Unretained(this))); | ||
| web_ui()->RegisterMessageCallback( | ||
| "saveNewTabPagePref", | ||
| base::BindRepeating( | ||
| &BraveNewTabMessageHandler::HandleSaveNewTabPagePref, | ||
| base::Unretained(this))); | ||
| } | ||
|
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| void BraveNewTabMessageHandler::HandleInitialized(const base::ListValue* args) { | ||
| AllowJavascript(); | ||
| } | ||
|
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| void BraveNewTabMessageHandler::HandleToggleAlternativeSearchEngineProvider( | ||
| const base::ListValue* args) { | ||
| brave::ToggleUseAlternativeSearchEngineProvider( | ||
| Profile::FromWebUI(web_ui())); | ||
| } | ||
|
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| void BraveNewTabMessageHandler::HandleSaveNewTabPagePref( | ||
| const base::ListValue* args) { | ||
| if (args->GetSize() != 2) { | ||
| LOG(ERROR) << "Invalid input"; | ||
| return; | ||
| } | ||
| PrefService* prefs = Profile::FromWebUI(web_ui())->GetPrefs(); | ||
| // Collect args | ||
| std::string settingsKeyInput = args->GetList()[0].GetString(); | ||
| auto settingsValue = args->GetList()[1].Clone(); | ||
| // Validate args | ||
| // Note: if we introduce any non-bool settings values | ||
| // then perform this type check within the appropriate key conditionals. | ||
| if (!settingsValue.is_bool()) { | ||
| LOG(ERROR) << "Invalid value type"; | ||
| return; | ||
| } | ||
| const auto settingsValueBool = settingsValue.GetBool(); | ||
| std::string settingsKey; | ||
| if (settingsKeyInput == "showBackgroundImage") { | ||
| settingsKey = kNewTabPageShowBackgroundImage; | ||
| } else { | ||
| LOG(ERROR) << "Invalid setting key"; | ||
| return; | ||
| } | ||
| prefs->SetBoolean(settingsKey, settingsValueBool); | ||
| } | ||
|
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| void BraveNewTabMessageHandler::OnPrivatePropertiesChanged() { | ||
| new_tab_web_ui_->OnPrivatePropertiesChanged(); | ||
| } | ||
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| void BraveNewTabMessageHandler::OnStatsChanged() { | ||
| new_tab_web_ui_->OnStatsChanged(); | ||
| FireWebUIListener("stats-updated"); | ||
| } | ||
|
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| void BraveNewTabMessageHandler::OnPreferencesChanged() { | ||
| new_tab_web_ui_->OnPreferencesChanged(); | ||
| FireWebUIListener("preferences-changed"); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| // Copyright (c) 2019 The Brave Authors. All rights reserved. | ||
| // This Source Code Form is subject to the terms of the Mozilla Public | ||
| // License, v. 2.0. If a copy of the MPL was not distributed with this file, | ||
| // you can obtain one at http://mozilla.org/MPL/2.0/. | ||
|
|
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| #ifndef BRAVE_BROWSER_UI_WEBUI_BRAVE_NEW_TAB_MESSAGE_HANDLER_H_ | ||
| #define BRAVE_BROWSER_UI_WEBUI_BRAVE_NEW_TAB_MESSAGE_HANDLER_H_ | ||
|
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| #include "components/prefs/pref_change_registrar.h" | ||
| #include "content/public/browser/web_ui_message_handler.h" | ||
|
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| class Profile; | ||
| class BraveNewTabUI; | ||
|
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| // Handles messages to and from the New Tab Page javascript | ||
| class BraveNewTabMessageHandler : public content::WebUIMessageHandler { | ||
| public: | ||
| explicit BraveNewTabMessageHandler(BraveNewTabUI* web_ui); | ||
| ~BraveNewTabMessageHandler() override; | ||
|
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| private: | ||
| // WebUIMessageHandler implementation. | ||
| void RegisterMessages() override; | ||
| void OnJavascriptAllowed() override; | ||
| void OnJavascriptDisallowed() override; | ||
|
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| void HandleInitialized(const base::ListValue* args); | ||
| void HandleSaveNewTabPagePref(const base::ListValue* args); | ||
| void HandleToggleAlternativeSearchEngineProvider( | ||
| const base::ListValue* args); | ||
|
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| void OnStatsChanged(); | ||
| void OnPreferencesChanged(); | ||
| void OnPrivatePropertiesChanged(); | ||
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| PrefChangeRegistrar pref_change_registrar_; | ||
| BraveNewTabUI* new_tab_web_ui_; | ||
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| DISALLOW_COPY_AND_ASSIGN(BraveNewTabMessageHandler); | ||
| }; | ||
|
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| #endif // BRAVE_BROWSER_UI_WEBUI_BRAVE_NEW_TAB_MESSAGE_HANDLER_H_ |
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