/
render_frame_context_bridge_store.h
80 lines (56 loc) · 2.48 KB
/
render_frame_context_bridge_store.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
// 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_CONTEXT_BRIDGE_STORE_H_
#define SHELL_RENDERER_API_CONTEXT_BRIDGE_RENDER_FRAME_CONTEXT_BRIDGE_STORE_H_
#include <map>
#include <tuple>
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/render_frame_observer.h"
#include "shell/renderer/atom_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>>;
using WeakGlobalPair = std::tuple<v8::Global<v8::Value>, v8::Global<v8::Value>>;
struct WeakGlobalPairNode {
explicit WeakGlobalPairNode(WeakGlobalPair pair_);
~WeakGlobalPairNode();
WeakGlobalPair pair;
bool detached = false;
struct WeakGlobalPairNode* prev = nullptr;
struct WeakGlobalPairNode* next = nullptr;
};
class RenderFramePersistenceStore final : public content::RenderFrameObserver {
public:
explicit RenderFramePersistenceStore(content::RenderFrame* render_frame);
~RenderFramePersistenceStore() override;
// RenderFrameObserver implementation.
void OnDestruct() override;
size_t take_func_id() { return next_func_id_++; }
std::map<size_t, FunctionContextPair>& functions() { return functions_; }
std::map<int, WeakGlobalPairNode*>* proxy_map() { return &proxy_map_; }
void CacheProxiedObject(v8::Local<v8::Value> from,
v8::Local<v8::Value> proxy_value);
v8::MaybeLocal<v8::Value> GetCachedProxiedObject(v8::Local<v8::Value> from);
base::WeakPtr<RenderFramePersistenceStore> GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
private:
// func_id ==> { function, owning_context }
std::map<size_t, FunctionContextPair> functions_;
size_t next_func_id_ = 1;
// proxy maps are weak globals, i.e. these are not retained beyond
// there normal JS lifetime. You must check IsEmpty()
const int32_t routing_id_;
// object_identity ==> [from_value, proxy_value]
std::map<int, WeakGlobalPairNode*> proxy_map_;
base::WeakPtrFactory<RenderFramePersistenceStore> weak_factory_{this};
};
std::map<int32_t, RenderFramePersistenceStore*>& GetStoreMap();
} // namespace context_bridge
} // namespace api
} // namespace electron
#endif // SHELL_RENDERER_API_CONTEXT_BRIDGE_RENDER_FRAME_CONTEXT_BRIDGE_STORE_H_