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// Copyright (c) 2012 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_RENDERER_CHROME_RENDER_PROCESS_OBSERVER_H_
#define CHROME_RENDERER_CHROME_RENDER_PROCESS_OBSERVER_H_
#pragma once
#include <string>
#include "base/compiler_specific.h"
#include "base/file_path.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/common/content_settings.h"
#include "content/public/renderer/render_process_observer.h"
class GURL;
struct ContentSettings;
namespace chrome {
class ChromeContentRendererClient;
}
namespace content {
class ResourceDispatcherDelegate;
}
// This class filters the incoming control messages (i.e. ones not destined for
// a RenderView) for Chrome specific messages that the content layer doesn't
// happen. If a few messages are related, they should probably have their own
// observer.
class ChromeRenderProcessObserver : public content::RenderProcessObserver {
public:
explicit ChromeRenderProcessObserver(
chrome::ChromeContentRendererClient* client);
virtual ~ChromeRenderProcessObserver();
static bool is_incognito_process() { return is_incognito_process_; }
// 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();
// Returns a pointer to the content setting rules owned by
// |ChromeRenderProcessObserver|.
const RendererContentSettingRules* content_setting_rules() const;
private:
// RenderProcessObserver implementation.
virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE;
void OnSetIsIncognitoProcess(bool is_incognito_process);
void OnSetContentSettingsForCurrentURL(
const GURL& url, const ContentSettings& content_settings);
void OnSetContentSettingRules(const RendererContentSettingRules& rules);
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);
void OnGetCacheResourceStats();
void OnSetFieldTrialGroup(const std::string& fiel_trial_name,
const std::string& group_name);
void OnSetTcmallocHeapProfiling(bool profiling, const std::string& prefix);
void OnWriteTcmallocHeapProfile(const FilePath::StringType& filename);
void OnGetV8HeapStats();
void OnPurgeMemory();
static bool is_incognito_process_;
scoped_ptr<content::ResourceDispatcherDelegate> resource_delegate_;
chrome::ChromeContentRendererClient* client_;
// If true, the web cache shall be cleared before the next navigation event.
bool clear_cache_pending_;
RendererContentSettingRules content_setting_rules_;
DISALLOW_COPY_AND_ASSIGN(ChromeRenderProcessObserver);
};
#endif // CHROME_RENDERER_CHROME_RENDER_PROCESS_OBSERVER_H_
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