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// Copyright 2013 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 CHROME_BROWSER_UI_WEBUI_MEMORY_INTERNALS_MEMORY_INTERNALS_PROXY_H_
#define CHROME_BROWSER_UI_WEBUI_MEMORY_INTERNALS_MEMORY_INTERNALS_PROXY_H_
#include <set>
#include <string>
#include "base/memory/ref_counted.h"
#include "base/strings/string16.h"
#include "base/values.h"
#include "chrome/browser/memory_details.h"
#include "content/public/browser/browser_thread.h"
class MemoryInternalsHandler;
class RendererDetails;
namespace base {
class DictionaryValue;
class ListValue;
class Value;
}
namespace content {
class WebContents;
}
class MemoryInternalsProxy
: public base::RefCountedThreadSafe<
MemoryInternalsProxy, content::BrowserThread::DeleteOnUIThread> {
public:
MemoryInternalsProxy();
// Registers a handler.
void Attach(MemoryInternalsHandler* handler);
// Unregisters a handler.
void Detach();
// Starts fetching memory usages of all processes.
void StartFetch(const base::ListValue* list);
private:
friend struct
content::BrowserThread::DeleteOnThread<content::BrowserThread::UI>;
friend class base::DeleteHelper<MemoryInternalsProxy>;
typedef ProcessMemoryInformationList::const_iterator PMIIterator;
virtual ~MemoryInternalsProxy();
// Enumerates all processes information.
void OnProcessAvailable(const ProcessData& browser);
// Measures memory usage of V8.
void OnRendererAvailable(const base::ProcessId pid,
const size_t v8_allocated,
const size_t v8_used);
// Converts information related to each WebContents, which represents contents
// in a tab, into Value format and appends it to information of the process
// which each tab belongs to.
void ConvertTabsInformation(
const std::set<content::WebContents*>& web_contents,
base::ListValue* processes);
// Requests all renderer processes to get detailed memory information.
void RequestRendererDetails();
// Be called on finish of collection.
void FinishCollection();
// Calls a JavaScript function on a UI page.
void CallJavaScriptFunctionOnUIThread(const std::string& function,
const base::Value& args);
MemoryInternalsHandler* handler_;
base::DictionaryValue* information_;
RendererDetails* renderer_details_;
DISALLOW_COPY_AND_ASSIGN(MemoryInternalsProxy);
};
#endif // CHROME_BROWSER_UI_WEBUI_MEMORY_INTERNALS_MEMORY_INTERNALS_PROXY_H_
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