| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "components/browsing_data/core/history_notice_utils.h" |
| |
| #include "base/bind.h" |
| #include "base/callback.h" |
| #include "base/location.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/strings/stringprintf.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| #include "components/history/core/browser/web_history_service.h" |
| #include "components/sync/driver/sync_service.h" |
| #include "components/sync/driver/sync_user_settings.h" |
| #include "components/version_info/version_info.h" |
| |
| namespace { |
| |
| // Merges several asynchronous boolean callbacks into one that returns a boolean |
| // product of their responses. Deletes itself when done. |
| class MergeBooleanCallbacks { |
| public: |
| // Constructor. Upon receiving |expected_call_count| calls to |RunCallback|, |
| // |target_callback| will be run with the boolean product of their results. |
| MergeBooleanCallbacks( |
| int expected_call_count, |
| const base::Callback<void(bool)>& target_callback) |
| : expected_call_count_(expected_call_count), |
| target_callback_(target_callback), |
| final_response_(true), |
| call_count_(0) {} |
| |
| // This method is to be bound to all asynchronous callbacks which we want |
| // to merge. |
| void RunCallback(bool response) { |
| final_response_ &= response; |
| |
| if (++call_count_ < expected_call_count_) |
| return; |
| |
| target_callback_.Run(final_response_); |
| base::ThreadTaskRunnerHandle::Get()->DeleteSoon(FROM_HERE, this); |
| } |
| |
| private: |
| int expected_call_count_; |
| base::Callback<void(bool)> target_callback_; |
| bool final_response_; |
| int call_count_; |
| }; |
| |
| } // namespace |
| |
| namespace browsing_data { |
| |
| void ShouldShowNoticeAboutOtherFormsOfBrowsingHistory( |
| const syncer::SyncService* sync_service, |
| history::WebHistoryService* history_service, |
| base::Callback<void(bool)> callback) { |
| if (!sync_service || !sync_service->IsSyncFeatureActive() || |
| !sync_service->GetActiveDataTypes().Has( |
| syncer::HISTORY_DELETE_DIRECTIVES) || |
| sync_service->GetUserSettings()->IsUsingSecondaryPassphrase() || |
| !history_service) { |
| callback.Run(false); |
| return; |
| } |
| net::PartialNetworkTrafficAnnotationTag partial_traffic_annotation = |
| net::DefinePartialNetworkTrafficAnnotation("history_notice_utils_notice", |
| "web_history_service", R"( |
| semantics { |
| description: |
| "Queries history.google.com to find out if user has the 'Include " |
| "Chrome browsing history and activity from websites and apps that " |
| "use Google services' option enabled in the Activity controls of " |
| "their Google account. This is done for users who sync their " |
| "browsing history without a custom passphrase in order to show " |
| "information about history.google.com on the history page and in " |
| "the Clear Browsing Data dialog." |
| trigger: |
| "This request is sent when user opens the history page or the " |
| "Clear Browsing Data dialog and history sync without a custom " |
| "passphrase is (re)enabled." |
| data: |
| "An OAuth2 token authenticating the user." |
| } |
| policy { |
| chrome_policy { |
| SyncDisabled { |
| SyncDisabled: true |
| } |
| } |
| })"); |
| history_service->QueryWebAndAppActivity(callback, partial_traffic_annotation); |
| } |
| |
| void ShouldPopupDialogAboutOtherFormsOfBrowsingHistory( |
| const syncer::SyncService* sync_service, |
| history::WebHistoryService* history_service, |
| version_info::Channel channel, |
| base::Callback<void(bool)> callback) { |
| if (!sync_service || !sync_service->IsSyncFeatureActive() || |
| !sync_service->GetActiveDataTypes().Has( |
| syncer::HISTORY_DELETE_DIRECTIVES) || |
| sync_service->GetUserSettings()->IsUsingSecondaryPassphrase() || |
| !history_service) { |
| callback.Run(false); |
| return; |
| } |
| |
| // Return the boolean product of QueryWebAndAppActivity and |
| // QueryOtherFormsOfBrowsingHistory. MergeBooleanCallbacks deletes itself |
| // after processing both callbacks. |
| MergeBooleanCallbacks* merger = new MergeBooleanCallbacks(2, callback); |
| net::PartialNetworkTrafficAnnotationTag partial_traffic_annotation = |
| net::DefinePartialNetworkTrafficAnnotation("history_notice_utils_popup", |
| "web_history_service", R"( |
| semantics { |
| description: |
| "Determines if the user has other forms of browsing history " |
| "(than Chrome browsing history) stored in their Google account. " |
| "This is used to inform the users about the existence of other " |
| "forms of browsing history when they delete their Chrome " |
| "browsing history from the Clear Browsing Data dialog." |
| trigger: |
| "This request is sent when user opens the Clear Browsing Data " |
| "dialog and history sync without a custom passphrase is " |
| "(re)enabled." |
| data: "An OAuth2 token authenticating the user." |
| } |
| policy { |
| chrome_policy { |
| SyncDisabled { |
| SyncDisabled: true |
| } |
| } |
| })"); |
| history_service->QueryWebAndAppActivity( |
| base::Bind(&MergeBooleanCallbacks::RunCallback, base::Unretained(merger)), |
| partial_traffic_annotation); |
| history_service->QueryOtherFormsOfBrowsingHistory( |
| channel, |
| base::Bind(&MergeBooleanCallbacks::RunCallback, base::Unretained(merger)), |
| partial_traffic_annotation); |
| } |
| |
| } // namespace browsing_data |