| // 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 web_cache { |
| |
| // This class implements the Mojo interface mojom::WebCache. |
| class WebCacheImpl : public mojom::WebCache { |
| public: |
| WebCacheImpl(); |
| ~WebCacheImpl() override; |
| |
| void BindRequest(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_ |