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Unified Diff: components/web_cache/renderer/web_cache_render_process_observer.h

Issue 528363002: Move webCacheManager to //components. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebase Created 6 years, 3 months ago
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Index: components/web_cache/renderer/web_cache_render_process_observer.h
diff --git a/components/web_cache/renderer/web_cache_render_process_observer.h b/components/web_cache/renderer/web_cache_render_process_observer.h
new file mode 100644
index 0000000000000000000000000000000000000000..6f49a3cc8f353dbcfa03e0ea344723db9e3e9846
--- /dev/null
+++ b/components/web_cache/renderer/web_cache_render_process_observer.h
@@ -0,0 +1,51 @@
+// 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_RENDER_PROCESS_OBSERVER_H_
+#define COMPONENTS_WEB_CACHE_RENDERER_WEB_CACHE_RENDER_PROCESS_OBSERVER_H_
+
+#include "base/compiler_specific.h"
+#include "base/macros.h"
+#include "content/public/renderer/render_process_observer.h"
+
+namespace web_cache {
+
+// This class filters the incoming cache related control messages.
+class WebCacheRenderProcessObserver : public content::RenderProcessObserver {
+ public:
+ WebCacheRenderProcessObserver();
+ virtual ~WebCacheRenderProcessObserver();
+
+ // 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:
+ // RenderProcessObserver implementation.
+ virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE;
+ virtual void WebKitInitialized() OVERRIDE;
+ virtual void OnRenderProcessShutdown() OVERRIDE;
+
+ // Message handlers.
+ void OnSetCacheCapacities(size_t min_dead_capacity,
+ size_t max_dead_capacity,
+ size_t capacity);
+ // If |on_navigation| is true, the clearing is delayed until the next
+ // navigation event.
+ void OnClearCache(bool on_navigation);
+
+ // If true, the web cache shall be cleared before the next navigation event.
+ bool clear_cache_pending_;
+ bool webkit_initialized_;
+ size_t pending_cache_min_dead_capacity_;
+ size_t pending_cache_max_dead_capacity_;
+ size_t pending_cache_capacity_;
+
+ DISALLOW_COPY_AND_ASSIGN(WebCacheRenderProcessObserver);
+};
+
+} // namespace web_cache
+
+#endif // COMPONENTS_WEB_CACHE_RENDERER_WEB_CACHE_RENDER_PROCESS_OBSERVER_H_
+

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