Index: chrome/browser/budget_service/budget_database.h |
diff --git a/chrome/browser/budget_service/budget_database.h b/chrome/browser/budget_service/budget_database.h |
index 155f23d22c8f6e708c1f7282669e55b7ce0a9ae0..4303bb5934ae80169355df7280de2e571d182241 100644 |
--- a/chrome/browser/budget_service/budget_database.h |
+++ b/chrome/browser/budget_service/budget_database.h |
@@ -5,7 +5,10 @@ |
#ifndef CHROME_BROWSER_BUDGET_SERVICE_BUDGET_DATABASE_H_ |
#define CHROME_BROWSER_BUDGET_SERVICE_BUDGET_DATABASE_H_ |
+#include <list> |
#include <memory> |
+#include <unordered_map> |
+#include <vector> |
#include "base/callback_forward.h" |
#include "base/macros.h" |
@@ -26,6 +29,9 @@ class GURL; |
// assigned to an origin. The class uses an underlying LevelDB. |
class BudgetDatabase { |
public: |
+ // Data structure for returing the budget decay expectations to the caller. |
+ using BudgetExpectation = std::list<std::pair<double, double>>; |
+ |
// Callback for the basic GetBudget call. |
using GetValueCallback = |
base::Callback<void(bool success, |
@@ -34,6 +40,10 @@ class BudgetDatabase { |
// Callback for setting a budget value. |
using SetValueCallback = base::Callback<void(bool success)>; |
+ // Callback for getting a list of all budget chunks. |
+ using GetBudgetDetailsCallback = base::Callback< |
+ void(bool success, double debt, const BudgetExpectation& expectation)>; |
+ |
// The database_dir specifies the location of the budget information on |
// disk. The task_runner is used by the ProtoDatabase to handle all blocking |
// calls and disk access. |
@@ -46,12 +56,36 @@ class BudgetDatabase { |
const budget_service::Budget& budget, |
const SetValueCallback& callback); |
+ // Get the full budget expectation for the origin. This will return any |
+ // debt as well as a sequence of time points and the expected budget at |
+ // those times. |
+ void GetBudgetDetails(const GURL& origin, |
+ const GetBudgetDetailsCallback& callback); |
+ |
private: |
+ // Data structure for caching budget information. |
+ using BudgetChunks = std::vector<std::pair<double, double>>; |
+ using BudgetInfo = std::pair<double, BudgetChunks>; |
+ |
+ using AddToCacheCallback = base::Callback<void(bool success)>; |
+ |
void OnDatabaseInit(bool success); |
+ void AddToCache(const GURL& origin, |
+ const AddToCacheCallback& callback, |
+ bool success, |
+ std::unique_ptr<budget_service::Budget> budget); |
+ |
+ void DidGetBudget(const GURL& origin, |
+ const GetBudgetDetailsCallback& callback, |
+ bool success); |
+ |
// The database for storing budget information. |
std::unique_ptr<leveldb_proto::ProtoDatabase<budget_service::Budget>> db_; |
+ // Cached data for the origins which have been loaded. |
+ std::unordered_map<std::string, BudgetInfo> budget_map_; |
+ |
base::WeakPtrFactory<BudgetDatabase> weak_ptr_factory_; |
DISALLOW_COPY_AND_ASSIGN(BudgetDatabase); |