1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "chrome/browser/devtools/chrome_devtools_manager_delegate.h"
6
7 #include "base/values.h"
8 #include "chrome/browser/devtools/devtools_network_conditions.h"
9 #include "chrome/browser/devtools/devtools_network_controller.h"
10 #include "chrome/browser/devtools/devtools_protocol.h"
11 #include "chrome/browser/devtools/devtools_protocol_constants.h"
12 #include "chrome/browser/devtools/devtools_window.h"
13 #include "chrome/browser/profiles/profile.h"
14 #include "content/public/browser/browser_thread.h"
15 #include "content/public/browser/devtools_agent_host.h"
16 #include "content/public/browser/devtools_manager.h"
17 #include "content/public/browser/render_process_host.h"
18 #include "content/public/browser/render_view_host.h"
19 #include "content/public/browser/site_instance.h"
20
ChromeDevToolsManagerDelegate()21 ChromeDevToolsManagerDelegate::ChromeDevToolsManagerDelegate() {
22 }
23
~ChromeDevToolsManagerDelegate()24 ChromeDevToolsManagerDelegate::~ChromeDevToolsManagerDelegate() {
25 }
26
Inspect(content::BrowserContext * browser_context,content::DevToolsAgentHost * agent_host)27 void ChromeDevToolsManagerDelegate::Inspect(
28 content::BrowserContext* browser_context,
29 content::DevToolsAgentHost* agent_host) {
30 if (!agent_host->IsWorker()) {
31 // TODO(horo): Support other types of DevToolsAgentHost when necessary.
32 NOTREACHED() << "Inspect() only supports workers.";
33 }
34 #if !defined(OS_ANDROID)
35 if (Profile* profile = Profile::FromBrowserContext(browser_context))
36 DevToolsWindow::OpenDevToolsWindowForWorker(profile, agent_host);
37 #endif
38 }
39
HandleCommand(content::DevToolsAgentHost * agent_host,base::DictionaryValue * command_dict)40 base::DictionaryValue* ChromeDevToolsManagerDelegate::HandleCommand(
41 content::DevToolsAgentHost* agent_host,
42 base::DictionaryValue* command_dict) {
43 scoped_ptr<DevToolsProtocol::Command> command(
44 DevToolsProtocol::ParseCommand(command_dict));
45 if (!command)
46 return NULL;
47
48 const std::string method = command->method();
49 scoped_ptr<DevToolsProtocol::Response> response;
50
51 if (method == chrome::devtools::Network::emulateNetworkConditions::kName)
52 response = EmulateNetworkConditions(agent_host, command.get());
53
54 if (response)
55 return response->Serialize();
56 return NULL;
57 }
58
GetProfile(content::DevToolsAgentHost * agent_host)59 Profile* ChromeDevToolsManagerDelegate::GetProfile(
60 content::DevToolsAgentHost* agent_host) {
61 content::RenderViewHost* host = agent_host->GetRenderViewHost();
62 if (!host)
63 return NULL;
64 return Profile::FromBrowserContext(host->GetSiteInstance()->GetProcess()->
65 GetBrowserContext());
66 }
67
68 scoped_ptr<DevToolsProtocol::Response>
EmulateNetworkConditions(content::DevToolsAgentHost * agent_host,DevToolsProtocol::Command * command)69 ChromeDevToolsManagerDelegate::EmulateNetworkConditions(
70 content::DevToolsAgentHost* agent_host,
71 DevToolsProtocol::Command* command) {
72 base::DictionaryValue* params = command->params();
73 namespace names = ::chrome::devtools::Network::emulateNetworkConditions;
74
75 bool offline = false;
76 if (!params || !params->GetBoolean(names::kParamOffline, &offline))
77 return command->InvalidParamResponse(names::kParamOffline);
78
79 double latency = 0.0;
80 if (!params->GetDouble(names::kParamLatency, &latency))
81 return command->InvalidParamResponse(names::kParamLatency);
82 if (latency < 0.0)
83 latency = 0.0;
84
85 double download_throughput = 0.0;
86 if (!params->GetDouble(names::kParamDownloadThroughput, &download_throughput))
87 return command->InvalidParamResponse(names::kParamDownloadThroughput);
88 if (download_throughput < 0.0)
89 download_throughput = 0.0;
90
91 double upload_throughput = 0.0;
92 if (!params->GetDouble(names::kParamUploadThroughput, &upload_throughput))
93 return command->InvalidParamResponse(names::kParamUploadThroughput);
94 if (upload_throughput < 0.0)
95 upload_throughput = 0.0;
96
97 scoped_ptr<DevToolsNetworkConditions> conditions(
98 new DevToolsNetworkConditions(
99 offline, latency, download_throughput, upload_throughput));
100
101 UpdateNetworkState(agent_host, conditions.Pass());
102 return command->SuccessResponse(NULL);
103 }
104
UpdateNetworkState(content::DevToolsAgentHost * agent_host,scoped_ptr<DevToolsNetworkConditions> conditions)105 void ChromeDevToolsManagerDelegate::UpdateNetworkState(
106 content::DevToolsAgentHost* agent_host,
107 scoped_ptr<DevToolsNetworkConditions> conditions) {
108 Profile* profile = GetProfile(agent_host);
109 if (!profile)
110 return;
111 profile->GetDevToolsNetworkController()->SetNetworkState(
112 agent_host->GetId(), conditions.Pass());
113 }
114
DevToolsAgentStateChanged(content::DevToolsAgentHost * agent_host,bool attached)115 void ChromeDevToolsManagerDelegate::DevToolsAgentStateChanged(
116 content::DevToolsAgentHost* agent_host,
117 bool attached) {
118 scoped_ptr<DevToolsNetworkConditions> conditions;
119 if (attached)
120 conditions.reset(new DevToolsNetworkConditions());
121 UpdateNetworkState(agent_host, conditions.Pass());
122 }
123