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
81
82
83
84
85
86
87
88
89
90
91
92
93
|
// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/devtools/chrome_devtools_session_android.h"
#include "base/metrics/histogram_functions.h"
#include "base/metrics/metrics_hashes.h"
#include "chrome/browser/devtools/protocol/browser_handler_android.h"
#include "chrome/browser/devtools/protocol/target_handler_android.h"
#include "content/public/browser/devtools_agent_host_client_channel.h"
namespace {
template <typename Handler>
bool IsDomainAvailableToUntrustedClient() {
return std::disjunction_v<std::is_same<Handler, TargetHandlerAndroid>>;
}
} // namespace
ChromeDevToolsSessionAndroid::ChromeDevToolsSessionAndroid(
content::DevToolsAgentHostClientChannel* channel)
: dispatcher_(this), client_channel_(channel) {
content::DevToolsAgentHost* agent_host = channel->GetAgentHost();
if (IsDomainAvailableToUntrustedClient<BrowserHandlerAndroid>() ||
channel->GetClient()->IsTrusted()) {
browser_handler_ = std::make_unique<BrowserHandlerAndroid>(
&dispatcher_, agent_host->GetId());
}
if (IsDomainAvailableToUntrustedClient<TargetHandlerAndroid>() ||
channel->GetClient()->IsTrusted()) {
target_handler_ = std::make_unique<TargetHandlerAndroid>(
&dispatcher_, channel->GetClient()->IsTrusted(),
channel->GetClient()->MayReadLocalFiles());
}
}
ChromeDevToolsSessionAndroid::~ChromeDevToolsSessionAndroid() = default;
base::HistogramBase::Sample32 GetCommandUmaId(std::string_view command_name) {
return static_cast<base::HistogramBase::Sample32>(
base::HashMetricName(command_name));
}
void ChromeDevToolsSessionAndroid::HandleCommand(
base::span<const uint8_t> message,
content::DevToolsManagerDelegate::NotHandledCallback callback) {
crdtp::Dispatchable dispatchable(crdtp::SpanFrom(message));
DCHECK(dispatchable.ok()); // Checked by content::DevToolsSession.
crdtp::UberDispatcher::DispatchResult dispatched =
dispatcher_.Dispatch(dispatchable);
auto command_uma_id = GetCommandUmaId(std::string_view(
reinterpret_cast<const char*>(dispatchable.Method().data()),
dispatchable.Method().size()));
std::string client_type = client_channel_->GetClient()->GetTypeForMetrics();
DCHECK(client_type == "DevTools" || client_type == "Extension" ||
client_type == "RemoteDebugger" || client_type == "Other");
base::UmaHistogramSparse("DevTools.CDPCommandFrom" + client_type,
command_uma_id);
if (!dispatched.MethodFound()) {
std::move(callback).Run(message);
return;
}
pending_commands_[dispatchable.CallId()] = std::move(callback);
dispatched.Run();
}
// The following methods handle responses or notifications coming from
// the browser to the client.
void ChromeDevToolsSessionAndroid::SendProtocolResponse(
int call_id,
std::unique_ptr<protocol::Serializable> message) {
pending_commands_.erase(call_id);
client_channel_->DispatchProtocolMessageToClient(message->Serialize());
}
void ChromeDevToolsSessionAndroid::SendProtocolNotification(
std::unique_ptr<protocol::Serializable> message) {
client_channel_->DispatchProtocolMessageToClient(message->Serialize());
}
void ChromeDevToolsSessionAndroid::FlushProtocolNotifications() {}
void ChromeDevToolsSessionAndroid::FallThrough(int call_id,
crdtp::span<uint8_t> method,
crdtp::span<uint8_t> message) {
auto callback = std::move(pending_commands_[call_id]);
pending_commands_.erase(call_id);
std::move(callback).Run(message);
}
|
