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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CC_TEST_TRANSFER_CACHE_TEST_HELPER_H_
#define CC_TEST_TRANSFER_CACHE_TEST_HELPER_H_
#include <limits>
#include <map>
#include <memory>
#include <set>
#include <vector>
#include "base/containers/span.h"
#include "base/memory/raw_ptr.h"
#include "cc/paint/transfer_cache_deserialize_helper.h"
#include "cc/paint/transfer_cache_serialize_helper.h"
#include "third_party/skia/include/gpu/ganesh/GrDirectContext.h"
namespace cc {
class TransferCacheTestHelper : public TransferCacheDeserializeHelper,
public TransferCacheSerializeHelper {
public:
explicit TransferCacheTestHelper(GrDirectContext* context = nullptr);
~TransferCacheTestHelper() override;
void SetGrContext(GrDirectContext* context);
void SetCachedItemsLimit(size_t limit);
// Direct Access API (simulates ContextSupport methods).
bool LockEntryDirect(const EntryKey& key);
void CreateEntryDirect(const EntryKey& key, base::span<uint8_t> data);
void UnlockEntriesDirect(const std::vector<EntryKey>& keys);
void DeleteEntryDirect(const EntryKey& key);
// Deserialization helpers.
ServiceTransferCacheEntry* GetEntryInternal(TransferCacheEntryType type,
uint32_t id) override;
const EntryKey& GetLastAddedEntry() const { return last_added_entry_; }
void CreateLocalEntry(
uint32_t id,
std::unique_ptr<ServiceTransferCacheEntry> entry) override;
size_t num_of_entries() const { return entries_.size(); }
protected:
// Serialization helpers.
bool LockEntryInternal(const EntryKey& key) override;
uint32_t CreateEntryInternal(const ClientTransferCacheEntry& entry,
uint8_t* memory) override;
void FlushEntriesInternal(std::set<EntryKey> keys) override;
private:
// Helper functions.
void EnforceLimits();
std::map<EntryKey, std::unique_ptr<ServiceTransferCacheEntry>> entries_;
std::set<EntryKey> local_entries_;
std::set<EntryKey> locked_entries_;
EntryKey last_added_entry_ = {TransferCacheEntryType::kRawMemory, ~0};
// owned_context_ must be declared before context_ because when no context is
// provided, context_ points to owned_context_.get().
sk_sp<GrDirectContext> owned_context_;
raw_ptr<GrDirectContext> context_ = nullptr;
size_t cached_items_limit_ = std::numeric_limits<size_t>::max();
};
} // namespace cc
#endif // CC_TEST_TRANSFER_CACHE_TEST_HELPER_H_
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