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render_frame_function_store.h
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render_frame_function_store.h
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// Copyright (c) 2019 Slack Technologies, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef SHELL_RENDERER_API_CONTEXT_BRIDGE_RENDER_FRAME_FUNCTION_STORE_H_
#define SHELL_RENDERER_API_CONTEXT_BRIDGE_RENDER_FRAME_FUNCTION_STORE_H_
#include <map>
#include <tuple>
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/render_frame_observer.h"
#include "shell/renderer/electron_render_frame_observer.h"
#include "third_party/blink/public/web/web_local_frame.h"
namespace electron {
namespace api {
namespace context_bridge {
using FunctionContextPair =
std::tuple<v8::Global<v8::Function>, v8::Global<v8::Context>>;
class RenderFrameFunctionStore final : public content::RenderFrameObserver {
public:
explicit RenderFrameFunctionStore(content::RenderFrame* render_frame);
~RenderFrameFunctionStore() override;
// RenderFrameObserver implementation.
void OnDestruct() override;
void WillReleaseScriptContext(v8::Local<v8::Context> context,
int32_t world_id) override;
size_t take_func_id() { return next_func_id_++; }
std::map<size_t, FunctionContextPair>& functions() { return functions_; }
base::WeakPtr<RenderFrameFunctionStore> GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
private:
// func_id ==> { function, owning_context }
std::map<size_t, FunctionContextPair> functions_;
size_t next_func_id_ = 1;
const int32_t routing_id_;
base::WeakPtrFactory<RenderFrameFunctionStore> weak_factory_{this};
};
std::map<int32_t, RenderFrameFunctionStore*>& GetStoreMap();
} // namespace context_bridge
} // namespace api
} // namespace electron
#endif // SHELL_RENDERER_API_CONTEXT_BRIDGE_RENDER_FRAME_FUNCTION_STORE_H_