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content / renderer / web_ui_extension_data.h [blame]
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_RENDERER_WEB_UI_EXTENSION_DATA_H_
#define CONTENT_RENDERER_WEB_UI_EXTENSION_DATA_H_
#include <map>
#include <string>
#include "base/values.h"
#include "content/common/web_ui.mojom.h"
#include "content/public/renderer/render_frame_observer.h"
#include "content/public/renderer/render_frame_observer_tracker.h"
#include "mojo/public/cpp/bindings/associated_remote.h"
#include "mojo/public/cpp/bindings/pending_associated_receiver.h"
#include "mojo/public/cpp/bindings/pending_associated_remote.h"
namespace content {
class WebUIExtensionData
: public RenderFrameObserver,
public RenderFrameObserverTracker<WebUIExtensionData>,
public mojom::WebUI {
public:
static void Create(RenderFrame* render_frame,
mojo::PendingAssociatedReceiver<mojom::WebUI> receiver,
mojo::PendingAssociatedRemote<mojom::WebUIHost> remote);
WebUIExtensionData() = delete;
WebUIExtensionData(const WebUIExtensionData&) = delete;
WebUIExtensionData& operator=(const WebUIExtensionData&) = delete;
~WebUIExtensionData() override;
// Returns value for a given |key|. Will return an empty string if no such key
// exists in the |variable_map_|.
std::string GetValue(const std::string& key) const;
void SendMessage(const std::string& message, base::Value::List args);
private:
// Use Create() instead.
WebUIExtensionData(RenderFrame* render_frame,
mojo::PendingAssociatedRemote<mojom::WebUIHost> remote);
// mojom::WebUI:
void SetProperty(const std::string& name, const std::string& value) override;
// RenderFrameObserver:
void OnDestruct() override;
std::map<std::string, std::string> variable_map_;
mojo::AssociatedRemote<mojom::WebUIHost> remote_;
};
} // namespace content
#endif // CONTENT_RENDERER_WEB_UI_EXTENSION_DATA_H_