CacheStorage: Implement Cache.matchAll()

content/browser/cache_storage/cache_storage_cache.h

 // Copyright 2014 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 CONTENT_BROWSER_CACHE_STORAGE_CACHE_STORAGE_CACHE_H_
 #define CONTENT_BROWSER_CACHE_STORAGE_CACHE_STORAGE_CACHE_H_
 
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 28 matching lines @@
 // The asynchronous methods are executed serially. Callbacks to the
 // public functions will be called so long as the cache object lives.
 class CONTENT_EXPORT CacheStorageCache
     : public base::RefCounted<CacheStorageCache> {
  public:
   using ErrorCallback = base::Callback<void(CacheStorageError)>;
   using ResponseCallback =
       base::Callback<void(CacheStorageError,
                           scoped_ptr<ServiceWorkerResponse>,
                           scoped_ptr<storage::BlobDataHandle>)>;
+  using ResponsesCallback =
+      base::Callback<void(CacheStorageError,
+                          const std::vector<ServiceWorkerResponse>&,
+                          ScopedVector<storage::BlobDataHandle>)>;
   using Requests = std::vector<ServiceWorkerFetchRequest>;
   using RequestsCallback =
       base::Callback<void(CacheStorageError, scoped_ptr<Requests>)>;
 
   static scoped_refptr<CacheStorageCache> CreateMemoryCache(
       const GURL& origin,
       const scoped_refptr<net::URLRequestContextGetter>& request_context_getter,
       const scoped_refptr<storage::QuotaManagerProxy>& quota_manager_proxy,
       base::WeakPtr<storage::BlobStorageContext> blob_context);
   static scoped_refptr<CacheStorageCache> CreatePersistentCache(
       const GURL& origin,
       const base::FilePath& path,
       const scoped_refptr<net::URLRequestContextGetter>& request_context_getter,
       const scoped_refptr<storage::QuotaManagerProxy>& quota_manager_proxy,
       base::WeakPtr<storage::BlobStorageContext> blob_context);
 
   // Returns ERROR_TYPE_NOT_FOUND if not found.
   void Match(scoped_ptr<ServiceWorkerFetchRequest> request,
              const ResponseCallback& callback);
 
+  // Returns CACHE_STORAGE_OK and all responses in this cache. If there is no
+  // response, returns CACHE_STORAGE_OK and an empty vector.
+  void MatchAll(const ResponsesCallback& callback);
+
   // Runs given batch operations. This corresponds to the Batch Cache Operations
   // algorithm in the spec.
   //
   // |operations| cannot mix PUT and DELETE operations and cannot contain
   // multiple DELETE operations.
   //
   // In the case of the PUT operation, puts request and response objects in the
   // cache and returns OK when all operations are successfully completed.
   // In the case of the DELETE operation, returns ERROR_NOT_FOUND if a specified
   // entry is not found. Otherwise deletes it and returns OK.
@@ skipping 18 matching lines @@
   // The size of the cache contents in memory. Returns 0 if the cache backend is
   // not a memory cache backend.
   int64 MemoryBackedSize() const;
 
   base::WeakPtr<CacheStorageCache> AsWeakPtr();
 
  private:
   friend class base::RefCounted<CacheStorageCache>;
   friend class TestCacheStorageCache;
 
+  struct MatchAllContext;
   struct KeysContext;
   struct PutContext;
 
   // The backend progresses from uninitialized, to open, to closed, and cannot
   // reverse direction.  The open step may be skipped.
   enum BackendState {
     BACKEND_UNINITIALIZED,  // No backend, create backend on first operation.
     BACKEND_OPEN,           // Backend can be used.
     BACKEND_CLOSED          // Backend cannot be used.  All ops should fail.
   };
@@ skipping 21 matching lines @@
                  const ResponseCallback& callback);
   void MatchDidOpenEntry(scoped_ptr<ServiceWorkerFetchRequest> request,
                          const ResponseCallback& callback,
                          scoped_ptr<disk_cache::Entry*> entry_ptr,
                          int rv);
   void MatchDidReadMetadata(scoped_ptr<ServiceWorkerFetchRequest> request,
                             const ResponseCallback& callback,
                             disk_cache::ScopedEntryPtr entry,
                             scoped_ptr<CacheMetadata> headers);
 
+  // MatchAll callbacks
+  void MatchAllImpl(const ResponsesCallback& callback);
+  void MatchAllDidOpenNextEntry(scoped_ptr<MatchAllContext> context, int rv);
+  void MatchAllProcessNextEntry(scoped_ptr<MatchAllContext> context);
+  void MatchAllDidReadMetadata(scoped_ptr<MatchAllContext> context,
+                               disk_cache::ScopedEntryPtr entry,
+                               scoped_ptr<CacheMetadata> metadata);
+
   // Puts the request and response object in the cache. The response body (if
   // present) is stored in the cache, but not the request body. Returns OK on
   // success.
   void Put(const CacheStorageBatchOperation& operation,
            const ErrorCallback& callback);
   void PutImpl(scoped_ptr<PutContext> put_context);
   void PutDidDelete(scoped_ptr<PutContext> put_context,
                     CacheStorageError delete_error);
   void PutDidCreateEntry(scoped_ptr<disk_cache::Entry*> entry_ptr,
                          scoped_ptr<PutContext> put_context,
@@ skipping 41 matching lines @@
   void InitDone(CacheStorageError error);
 
   void PendingClosure(const base::Closure& callback);
   void PendingErrorCallback(const ErrorCallback& callback,
                             CacheStorageError error);
   void PendingResponseCallback(
       const ResponseCallback& callback,
       CacheStorageError error,
       scoped_ptr<ServiceWorkerResponse> response,
       scoped_ptr<storage::BlobDataHandle> blob_data_handle);
+  void PendingResponsesCallback(
+      const ResponsesCallback& callback,
+      CacheStorageError error,
+      const std::vector<ServiceWorkerResponse>& responses,
+      ScopedVector<storage::BlobDataHandle> blob_data_handles);
   void PendingRequestsCallback(const RequestsCallback& callback,
                                CacheStorageError error,
                                scoped_ptr<Requests> requests);
 
   // Be sure to check |backend_state_| before use.
   scoped_ptr<disk_cache::Backend> backend_;
 
   GURL origin_;
   base::FilePath path_;
   scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
@@ skipping 10 matching lines @@
   bool memory_only_;
 
   base::WeakPtrFactory<CacheStorageCache> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CacheStorageCache);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_CACHE_STORAGE_CACHE_STORAGE_CACHE_H_