61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
// Copyright (c) 2016 GitHub, Inc.
|
|
// Use of this source code is governed by the MIT license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef ATOM_BROWSER_RENDER_PROCESS_PREFERENCES_H_
|
|
#define ATOM_BROWSER_RENDER_PROCESS_PREFERENCES_H_
|
|
|
|
#include <memory>
|
|
#include <unordered_map>
|
|
|
|
#include "base/callback.h"
|
|
#include "base/values.h"
|
|
#include "content/public/browser/notification_observer.h"
|
|
#include "content/public/browser/notification_registrar.h"
|
|
|
|
namespace content {
|
|
class RenderProcessHost;
|
|
}
|
|
|
|
namespace atom {
|
|
|
|
// Sets user preferences for render processes.
|
|
class RenderProcessPreferences : public content::NotificationObserver {
|
|
public:
|
|
using Predicate = base::Callback<bool(content::RenderProcessHost*)>;
|
|
|
|
// The |predicate| is used to determine whether to set preferences for a
|
|
// render process.
|
|
explicit RenderProcessPreferences(const Predicate& predicate);
|
|
~RenderProcessPreferences() override;
|
|
|
|
int AddEntry(const base::DictionaryValue& entry);
|
|
void RemoveEntry(int id);
|
|
|
|
private:
|
|
// content::NotificationObserver:
|
|
void Observe(int type,
|
|
const content::NotificationSource& source,
|
|
const content::NotificationDetails& details) override;
|
|
|
|
void UpdateCache();
|
|
|
|
// Manages our notification registrations.
|
|
content::NotificationRegistrar registrar_;
|
|
|
|
Predicate predicate_;
|
|
|
|
int next_id_ = 0;
|
|
std::unordered_map<int, std::unique_ptr<base::DictionaryValue>> entries_;
|
|
|
|
// We need to convert the |entries_| to ListValue for multiple times, this
|
|
// caches is only updated when we are sending messages.
|
|
bool cache_needs_update_ = true;
|
|
base::ListValue cached_entries_;
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(RenderProcessPreferences);
|
|
};
|
|
|
|
} // namespace atom
|
|
|
|
#endif // ATOM_BROWSER_RENDER_PROCESS_PREFERENCES_H_
|