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// 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 COMPONENTS_WEB_CACHE_RENDERER_WEB_CACHE_IMPL_H_
#define COMPONENTS_WEB_CACHE_RENDERER_WEB_CACHE_IMPL_H_
#include <stddef.h>
#include <stdint.h>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "components/web_cache/public/interfaces/web_cache.mojom.h"
#include "mojo/public/cpp/bindings/binding_set.h"
namespace service_manager {
struct BindSourceInfo;
}
namespace web_cache {
// This class implements the Mojo interface mojom::WebCache.
class WebCacheImpl : public mojom::WebCache {
public:
WebCacheImpl();
~WebCacheImpl() override;
void BindRequest(const service_manager::BindSourceInfo& source_info,
mojom::WebCacheRequest web_cache_request);
// Needs to be called by RenderViews in case of navigations to execute
// any 'clear cache' commands that were delayed until the next navigation.
void ExecutePendingClearCache();
private:
enum State {
kInit,
kNavigate_Pending,
kClearCache_Pending,
};
// mojom::WebCache methods:
void SetCacheCapacity(uint64_t capacity) override;
// If |on_navigation| is true, the clearing is delayed until the next
// navigation event.
void ClearCache(bool on_navigation) override;
// Records status regarding the sequence of navigation event and
// ClearCache(true) call, to ensure delayed 'clear cache' command always
// get executed on navigation.
State clear_cache_state_;
mojo::BindingSet<mojom::WebCache> bindings_;
DISALLOW_COPY_AND_ASSIGN(WebCacheImpl);
};
} // namespace web_cache
#endif // COMPONENTS_WEB_CACHE_RENDERER_WEB_CACHE_IMPL_H_
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