Move all components/offline_pages/ files into component/offline_pages/core

components/offline_pages/offline_page_client_policy.h

-// 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.
-
-#ifndef COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_CLIENT_POLICY_H_
-#define COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_CLIENT_POLICY_H_
-
-#include <stdint.h>
-
-#include <string>
-
-#include "base/time/time.h"
-
-namespace offline_pages {
-
-static const size_t kUnlimitedPages = 0;
-
-// The struct describing the lifetime policy of offline pages.
-// The following behaviors are controlled by policy:
-//    a. Persistency of the offline page.
-//    b. Expiration time of an offline page
-//    c. Limit of number of pages offline.
-struct LifetimePolicy {
-  // Type of the client, indicating where the archived page would be saved
-  // and whether it could be kept indefinitely.
-  enum class LifetimeType {
-    TEMPORARY,
-    PERSISTENT,
-  };
-
-  // Type of the page generated by the client.
-  LifetimeType lifetime_type;
-
-  // The time after which the page expires.
-  // A TimeDelta of 0 means no expiration.
-  base::TimeDelta expiration_period;
-
-  // The maximum number of pages allowed to be saved by the namespace.
-  // kUnlimitedPages (defined above) means no limit set.
-  size_t page_limit;
-
-  LifetimePolicy(LifetimeType init_lifetime_type, size_t init_page_limit)
-      : lifetime_type(init_lifetime_type),
-        expiration_period(base::TimeDelta::FromDays(0)),
-        page_limit(init_page_limit){};
-};
-
-// The struct describing feature set of the offline pages.
-struct FeaturePolicy {
-  // Whether pages are shown in download ui.
-  bool is_supported_by_download;
-  // Whether pages are shown in recent tabs ui.
-  bool is_supported_by_recent_tabs;
-  // Whether pages should only be viewed in the tab they were generated in.
-  bool only_shown_in_original_tab;
-  // Whether pages are removed on user-initiated cache reset. Defaults to true.
-  bool is_removed_on_cache_reset;
-
-  FeaturePolicy()
-      : is_supported_by_download(false),
-        is_supported_by_recent_tabs(false),
-        only_shown_in_original_tab(false),
-        is_removed_on_cache_reset(true){};
-};
-
-// The struct describing policies for various namespaces (Bookmark, Last-N etc.)
-// used by offline page model. The name_space is supposed to be key, so that
-// it's sufficient to compare name_space only when doing comparisons.
-struct OfflinePageClientPolicy {
-  // Namespace to which the policy applied.
-  std::string name_space;
-
-  // Policy to control the lifetime of a page generated by this namespace.
-  LifetimePolicy lifetime_policy;
-
-  // How many pages for the same online URL can be stored at any time.
-  // kUnlimitedPages means there's no limit.
-  size_t pages_allowed_per_url;
-
-  FeaturePolicy feature_policy;
-
-  OfflinePageClientPolicy(std::string namespace_val,
-                          LifetimePolicy lifetime_policy_val,
-                          size_t pages_allowed_per_url_val,
-                          FeaturePolicy feature_policy_val)
-      : name_space(namespace_val),
-        lifetime_policy(lifetime_policy_val),
-        pages_allowed_per_url(pages_allowed_per_url_val),
-        feature_policy(feature_policy_val){};
-
-  OfflinePageClientPolicy(std::string namespace_val,
-                          LifetimePolicy lifetime_policy_val,
-                          size_t pages_allowed_per_url_val)
-      : OfflinePageClientPolicy(namespace_val,
-                                lifetime_policy_val,
-                                pages_allowed_per_url_val,
-                                FeaturePolicy()){};
-};
-
-class OfflinePageClientPolicyBuilder {
- public:
-  OfflinePageClientPolicyBuilder(const std::string& name_space,
-                                 LifetimePolicy::LifetimeType lifetime_type,
-                                 size_t page_limit,
-                                 size_t pages_allowed_per_url)
-      : policy_(
-            OfflinePageClientPolicy(name_space,
-                                    LifetimePolicy(lifetime_type, page_limit),
-                                    pages_allowed_per_url)){};
-
-  ~OfflinePageClientPolicyBuilder() {}
-
-  // Calling build does not reset the object inside.
-  const OfflinePageClientPolicy Build() const { return policy_; }
-
-  OfflinePageClientPolicyBuilder& SetExpirePeriod(
-      const base::TimeDelta& expire_period) {
-    policy_.lifetime_policy.expiration_period = expire_period;
-    return *this;
-  }
-
-  OfflinePageClientPolicyBuilder& SetIsSupportedByDownload(
-      const bool is_downloaded) {
-    policy_.feature_policy.is_supported_by_download = is_downloaded;
-    return *this;
-  }
-
-  OfflinePageClientPolicyBuilder& SetIsSupportedByRecentTabs(
-      const bool is_recent_tabs) {
-    policy_.feature_policy.is_supported_by_recent_tabs = is_recent_tabs;
-    return *this;
-  }
-
-  OfflinePageClientPolicyBuilder& SetIsRemovedOnCacheReset(
-      const bool removed_on_cache_reset) {
-    policy_.feature_policy.is_removed_on_cache_reset = removed_on_cache_reset;
-    return *this;
-  }
-
-  OfflinePageClientPolicyBuilder& SetIsOnlyShownInOriginalTab(
-      const bool only_shown_in_original_tab) {
-    policy_.feature_policy.only_shown_in_original_tab =
-        only_shown_in_original_tab;
-    return *this;
-  }
-
- private:
-  OfflinePageClientPolicy policy_;
-
-  DISALLOW_COPY_AND_ASSIGN(OfflinePageClientPolicyBuilder);
-};
-
-}  // namespace offline_pages
-
-#endif  // COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_CLIENT_POLICY_H_