inspect_ui.cc revision 68043e1e95eeb07d5cae7aca370b26518b0867d6 
1// Copyright (c) 2012 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/ui/webui/inspect_ui.h"
6
7#include <set>
8
9#include "base/bind.h"
10#include "base/bind_helpers.h"
11#include "base/json/json_writer.h"
12#include "base/memory/ref_counted_memory.h"
13#include "base/strings/string_number_conversions.h"
14#include "base/strings/string_util.h"
15#include "base/strings/stringprintf.h"
16#include "base/strings/utf_string_conversions.h"
17#include "base/values.h"
18#include "chrome/browser/devtools/devtools_window.h"
19#include "chrome/browser/devtools/port_forwarding_controller.h"
20#include "chrome/browser/extensions/extension_service.h"
21#include "chrome/browser/profiles/profile.h"
22#include "chrome/browser/ui/tab_contents/tab_contents_iterator.h"
23#include "chrome/browser/ui/webui/theme_source.h"
24#include "chrome/common/pref_names.h"
25#include "chrome/common/url_constants.h"
26#include "content/public/browser/browser_child_process_observer.h"
27#include "content/public/browser/browser_thread.h"
28#include "content/public/browser/child_process_data.h"
29#include "content/public/browser/devtools_agent_host.h"
30#include "content/public/browser/devtools_client_host.h"
31#include "content/public/browser/devtools_manager.h"
32#include "content/public/browser/favicon_status.h"
33#include "content/public/browser/navigation_entry.h"
34#include "content/public/browser/notification_service.h"
35#include "content/public/browser/notification_source.h"
36#include "content/public/browser/notification_types.h"
37#include "content/public/browser/render_process_host.h"
38#include "content/public/browser/render_view_host.h"
39#include "content/public/browser/web_contents.h"
40#include "content/public/browser/web_ui.h"
41#include "content/public/browser/web_ui_data_source.h"
42#include "content/public/browser/web_ui_message_handler.h"
43#include "content/public/browser/worker_service.h"
44#include "content/public/browser/worker_service_observer.h"
45#include "content/public/common/process_type.h"
46#include "grit/browser_resources.h"
47#include "grit/generated_resources.h"
48#include "net/base/escape.h"
49#include "net/base/net_errors.h"
50#include "ui/base/resource/resource_bundle.h"
51
52using content::BrowserThread;
53using content::ChildProcessData;
54using content::DevToolsAgentHost;
55using content::DevToolsClientHost;
56using content::DevToolsManager;
57using content::RenderProcessHost;
58using content::RenderViewHost;
59using content::RenderViewHostDelegate;
60using content::RenderWidgetHost;
61using content::WebContents;
62using content::WebUIMessageHandler;
63using content::WorkerService;
64using content::WorkerServiceObserver;
65
66namespace {
67
68const char kAppTargetType[] = "app";
69const char kExtensionTargetType[]  = "extension";
70const char kPageTargetType[]  = "page";
71const char kWorkerTargetType[]  = "worker";
72const char kAdbTargetType[]  = "adb_page";
73
74const char kInitUICommand[]  = "init-ui";
75const char kInspectCommand[]  = "inspect";
76const char kActivateCommand[]  = "activate";
77const char kTerminateCommand[]  = "terminate";
78const char kReloadCommand[]  = "reload";
79const char kOpenCommand[]  = "open";
80
81const char kPortForwardingEnabledCommand[] =
82    "set-port-forwarding-enabled";
83const char kPortForwardingConfigCommand[] = "set-port-forwarding-config";
84
85const char kPortForwardingDefaultPort[] = "8080";
86const char kPortForwardingDefaultLocation[] = "localhost:8080";
87
88const char kTargetTypeField[]  = "type";
89const char kAttachedField[]  = "attached";
90const char kProcessIdField[]  = "processId";
91const char kRouteIdField[]  = "routeId";
92const char kUrlField[]  = "url";
93const char kNameField[]  = "name";
94const char kFaviconUrlField[] = "faviconUrl";
95const char kDescription[] = "description";
96const char kPidField[]  = "pid";
97const char kAdbSerialField[] = "adbSerial";
98const char kAdbModelField[] = "adbModel";
99const char kAdbBrowserProductField[] = "adbBrowserProduct";
100const char kAdbBrowserPackageField[] = "adbBrowserPackage";
101const char kAdbBrowserVersionField[] = "adbBrowserVersion";
102const char kAdbGlobalIdField[] = "adbGlobalId";
103const char kAdbBrowsersField[] = "browsers";
104const char kAdbPagesField[] = "pages";
105const char kAdbPortStatus[] = "adbPortStatus";
106const char kAdbScreenWidthField[] = "adbScreenWidth";
107const char kAdbScreenHeightField[] = "adbScreenHeight";
108const char kGuestList[] = "guests";
109
110DictionaryValue* BuildTargetDescriptor(
111    const std::string& target_type,
112    bool attached,
113    const GURL& url,
114    const std::string& name,
115    const GURL& favicon_url,
116    const std::string& description,
117    int process_id,
118    int route_id,
119    base::ProcessHandle handle = base::kNullProcessHandle) {
120  DictionaryValue* target_data = new DictionaryValue();
121  target_data->SetString(kTargetTypeField, target_type);
122  target_data->SetBoolean(kAttachedField, attached);
123  target_data->SetInteger(kProcessIdField, process_id);
124  target_data->SetInteger(kRouteIdField, route_id);
125  target_data->SetString(kUrlField, url.spec());
126  target_data->SetString(kNameField, net::EscapeForHTML(name));
127  target_data->SetInteger(kPidField, base::GetProcId(handle));
128  target_data->SetString(kFaviconUrlField, favicon_url.spec());
129  target_data->SetString(kDescription, description);
130
131  return target_data;
132}
133
134bool HasClientHost(RenderViewHost* rvh) {
135  if (!DevToolsAgentHost::HasFor(rvh))
136    return false;
137
138  scoped_refptr<DevToolsAgentHost> agent(
139      DevToolsAgentHost::GetOrCreateFor(rvh));
140  return agent->IsAttached();
141}
142
143bool HasClientHost(int process_id, int route_id) {
144  if (!DevToolsAgentHost::HasForWorker(process_id, route_id))
145    return false;
146
147  scoped_refptr<DevToolsAgentHost> agent(
148      DevToolsAgentHost::GetForWorker(process_id, route_id));
149  return agent->IsAttached();
150}
151
152DictionaryValue* BuildTargetDescriptor(RenderViewHost* rvh, bool is_tab) {
153  WebContents* web_contents = WebContents::FromRenderViewHost(rvh);
154  std::string title;
155  std::string target_type = is_tab ? kPageTargetType : "";
156  GURL url;
157  GURL favicon_url;
158  if (web_contents) {
159    url = web_contents->GetURL();
160    title = UTF16ToUTF8(web_contents->GetTitle());
161    content::NavigationController& controller = web_contents->GetController();
162    content::NavigationEntry* entry = controller.GetActiveEntry();
163    if (entry != NULL && entry->GetURL().is_valid())
164      favicon_url = entry->GetFavicon().url;
165
166    Profile* profile = Profile::FromBrowserContext(
167        web_contents->GetBrowserContext());
168    if (profile) {
169      ExtensionService* extension_service = profile->GetExtensionService();
170      const extensions::Extension* extension = extension_service->
171          extensions()->GetByID(url.host());
172      if (extension) {
173        if (extension->is_hosted_app()
174            || extension->is_legacy_packaged_app()
175            || extension->is_platform_app())
176          target_type = kAppTargetType;
177        else
178          target_type = kExtensionTargetType;
179        title = extension->name();
180      }
181    }
182  }
183
184  return BuildTargetDescriptor(target_type,
185                               HasClientHost(rvh),
186                               url,
187                               title,
188                               favicon_url,
189                               "",
190                               rvh->GetProcess()->GetID(),
191                               rvh->GetRoutingID());
192}
193
194class InspectMessageHandler : public WebUIMessageHandler {
195 public:
196  explicit InspectMessageHandler(InspectUI* inspect_ui)
197      : inspect_ui_(inspect_ui) {}
198  virtual ~InspectMessageHandler() {}
199
200 private:
201  // WebUIMessageHandler implementation.
202  virtual void RegisterMessages() OVERRIDE;
203
204  void HandleInitUICommand(const ListValue* args);
205  void HandleInspectCommand(const ListValue* args);
206  void HandleActivateCommand(const ListValue* args);
207  void HandleTerminateCommand(const ListValue* args);
208  void HandleReloadCommand(const ListValue* args);
209  void HandleOpenCommand(const ListValue* args);
210  void HandlePortForwardingEnabledCommand(const ListValue* args);
211  void HandlePortForwardingConfigCommand(const ListValue* args);
212
213  static bool GetProcessAndRouteId(const ListValue* args,
214                                   int* process_id,
215                                   int* route_id);
216
217  static bool GetRemotePageId(const ListValue* args, std::string* page_id);
218
219  InspectUI* inspect_ui_;
220
221  DISALLOW_COPY_AND_ASSIGN(InspectMessageHandler);
222};
223
224void InspectMessageHandler::RegisterMessages() {
225  web_ui()->RegisterMessageCallback(kInitUICommand,
226      base::Bind(&InspectMessageHandler::HandleInitUICommand,
227                 base::Unretained(this)));
228  web_ui()->RegisterMessageCallback(kInspectCommand,
229      base::Bind(&InspectMessageHandler::HandleInspectCommand,
230                 base::Unretained(this)));
231  web_ui()->RegisterMessageCallback(kActivateCommand,
232      base::Bind(&InspectMessageHandler::HandleActivateCommand,
233                 base::Unretained(this)));
234  web_ui()->RegisterMessageCallback(kTerminateCommand,
235      base::Bind(&InspectMessageHandler::HandleTerminateCommand,
236                 base::Unretained(this)));
237  web_ui()->RegisterMessageCallback(kPortForwardingEnabledCommand,
238      base::Bind(&InspectMessageHandler::HandlePortForwardingEnabledCommand,
239                 base::Unretained(this)));
240  web_ui()->RegisterMessageCallback(kPortForwardingConfigCommand,
241      base::Bind(&InspectMessageHandler::HandlePortForwardingConfigCommand,
242                 base::Unretained(this)));
243  web_ui()->RegisterMessageCallback(kReloadCommand,
244      base::Bind(&InspectMessageHandler::HandleReloadCommand,
245                 base::Unretained(this)));
246  web_ui()->RegisterMessageCallback(kOpenCommand,
247      base::Bind(&InspectMessageHandler::HandleOpenCommand,
248                 base::Unretained(this)));
249}
250
251void InspectMessageHandler::HandleInitUICommand(const ListValue*) {
252  inspect_ui_->InitUI();
253}
254
255void InspectMessageHandler::HandleInspectCommand(const ListValue* args) {
256  Profile* profile = Profile::FromWebUI(web_ui());
257  if (!profile)
258    return;
259
260  std::string page_id;
261  if (GetRemotePageId(args, &page_id)) {
262    inspect_ui_->InspectRemotePage(page_id);
263    return;
264  }
265
266  int process_id;
267  int route_id;
268  if (!GetProcessAndRouteId(args, &process_id, &route_id) || process_id == 0
269      || route_id == 0) {
270    return;
271  }
272
273  RenderViewHost* rvh = RenderViewHost::FromID(process_id, route_id);
274  if (rvh) {
275    DevToolsWindow::OpenDevToolsWindow(rvh);
276    return;
277  }
278
279  scoped_refptr<DevToolsAgentHost> agent_host(
280      DevToolsAgentHost::GetForWorker(process_id, route_id));
281  if (!agent_host.get())
282    return;
283
284  DevToolsWindow::OpenDevToolsWindowForWorker(profile, agent_host.get());
285}
286
287void InspectMessageHandler::HandleActivateCommand(const ListValue* args) {
288  std::string page_id;
289  if (GetRemotePageId(args, &page_id))
290    inspect_ui_->ActivateRemotePage(page_id);
291}
292
293static void TerminateWorker(int process_id, int route_id) {
294  WorkerService::GetInstance()->TerminateWorker(process_id, route_id);
295}
296
297void InspectMessageHandler::HandleTerminateCommand(const ListValue* args) {
298  std::string page_id;
299  if (GetRemotePageId(args, &page_id)) {
300    inspect_ui_->CloseRemotePage(page_id);
301    return;
302  }
303
304  int process_id;
305  int route_id;
306  if (!GetProcessAndRouteId(args, &process_id, &route_id))
307    return;
308
309  BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
310      base::Bind(&TerminateWorker, process_id, route_id));
311}
312
313void InspectMessageHandler::HandleReloadCommand(const ListValue* args) {
314  std::string page_id;
315  if (GetRemotePageId(args, &page_id))
316    inspect_ui_->ReloadRemotePage(page_id);
317}
318
319void InspectMessageHandler::HandleOpenCommand(const ListValue* args) {
320  std::string browser_id;
321  std::string url;
322  if (args->GetSize() == 2 &&
323      args->GetString(0, &browser_id) &&
324      args->GetString(1, &url)) {
325    inspect_ui_->OpenRemotePage(browser_id, url);
326  }
327}
328
329bool InspectMessageHandler::GetProcessAndRouteId(const ListValue* args,
330                                                 int* process_id,
331                                                 int* route_id) {
332  const DictionaryValue* data;
333  if (args->GetSize() == 1 && args->GetDictionary(0, &data) &&
334      data->GetInteger(kProcessIdField, process_id) &&
335      data->GetInteger(kRouteIdField, route_id)) {
336    return true;
337  }
338  return false;
339}
340
341void InspectMessageHandler::HandlePortForwardingEnabledCommand(
342    const ListValue* args) {
343  Profile* profile = Profile::FromWebUI(web_ui());
344  if (!profile)
345    return;
346
347  bool enabled;
348  if (args->GetSize() == 1 && args->GetBoolean(0, &enabled)) {
349    profile->GetPrefs()->SetBoolean(
350        prefs::kDevToolsPortForwardingEnabled, enabled);
351  }
352}
353
354void InspectMessageHandler::HandlePortForwardingConfigCommand(
355    const ListValue* args) {
356  Profile* profile = Profile::FromWebUI(web_ui());
357  if (!profile)
358    return;
359
360  const DictionaryValue* dict_src;
361  if (args->GetSize() == 1 && args->GetDictionary(0, &dict_src))
362    profile->GetPrefs()->Set(prefs::kDevToolsPortForwardingConfig, *dict_src);
363}
364
365bool InspectMessageHandler::GetRemotePageId(const ListValue* args,
366                                            std::string* page_id) {
367  const DictionaryValue* data;
368  if (args->GetSize() == 1 && args->GetDictionary(0, &data) &&
369      data->GetString(kAdbGlobalIdField, page_id)) {
370    return true;
371  }
372  return false;
373}
374
375}  // namespace
376
377class InspectUI::WorkerCreationDestructionListener
378    : public WorkerServiceObserver,
379      public content::BrowserChildProcessObserver,
380      public base::RefCountedThreadSafe<WorkerCreationDestructionListener> {
381 public:
382  WorkerCreationDestructionListener()
383      : discovery_ui_(NULL) {}
384
385  void Init(InspectUI* workers_ui) {
386    DCHECK(workers_ui);
387    DCHECK(!discovery_ui_);
388    discovery_ui_ = workers_ui;
389    BrowserChildProcessObserver::Add(this);
390    BrowserThread::PostTask(
391        BrowserThread::IO, FROM_HERE,
392        base::Bind(&WorkerCreationDestructionListener::RegisterObserver,
393                   this));
394  }
395
396  void InspectUIDestroyed() {
397    DCHECK(discovery_ui_);
398    discovery_ui_ = NULL;
399    BrowserChildProcessObserver::Remove(this);
400    BrowserThread::PostTask(
401        BrowserThread::IO, FROM_HERE,
402        base::Bind(&WorkerCreationDestructionListener::UnregisterObserver,
403                   this));
404  }
405
406  void UpdateUI() {
407    BrowserThread::PostTask(
408        BrowserThread::IO, FROM_HERE,
409        base::Bind(&WorkerCreationDestructionListener::CollectWorkersData,
410                   this));
411  }
412
413 private:
414  friend class base::RefCountedThreadSafe<WorkerCreationDestructionListener>;
415  virtual ~WorkerCreationDestructionListener() {}
416
417  virtual void WorkerCreated(
418      const GURL& url,
419      const string16& name,
420      int process_id,
421      int route_id) OVERRIDE {
422    CollectWorkersData();
423  }
424
425  virtual void WorkerDestroyed(int process_id, int route_id) OVERRIDE {
426    CollectWorkersData();
427  }
428
429  virtual void BrowserChildProcessHostConnected(
430      const content::ChildProcessData& data) OVERRIDE {
431    if (data.process_type == content::PROCESS_TYPE_WORKER)
432      UpdateUI();
433  }
434
435  virtual void BrowserChildProcessHostDisconnected(
436      const content::ChildProcessData& data) OVERRIDE {
437    if (data.process_type == content::PROCESS_TYPE_WORKER)
438      UpdateUI();
439  }
440
441  void CollectWorkersData() {
442    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
443    BrowserThread::PostTask(
444        BrowserThread::UI, FROM_HERE,
445        base::Bind(&WorkerCreationDestructionListener::PopulateWorkersList,
446                   this, WorkerService::GetInstance()->GetWorkers()));
447  }
448
449  void RegisterObserver() {
450    WorkerService::GetInstance()->AddObserver(this);
451  }
452
453  void UnregisterObserver() {
454    WorkerService::GetInstance()->RemoveObserver(this);
455  }
456
457  void PopulateWorkersList(
458      const std::vector<WorkerService::WorkerInfo>& worker_info) {
459    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
460    if (!discovery_ui_)
461      return;
462
463    ListValue target_list;
464    for (size_t i = 0; i < worker_info.size(); ++i) {
465      if (!worker_info[i].handle)
466        continue;  // Process is still being created.
467      target_list.Append(BuildTargetDescriptor(
468          kWorkerTargetType,
469          HasClientHost(worker_info[i].process_id, worker_info[i].route_id),
470          worker_info[i].url,
471          UTF16ToUTF8(worker_info[i].name),
472          GURL(),
473          "",
474          worker_info[i].process_id,
475          worker_info[i].route_id,
476          worker_info[i].handle));
477    }
478    discovery_ui_->web_ui()->CallJavascriptFunction(
479        "populateWorkersList", target_list);
480  }
481
482  InspectUI* discovery_ui_;
483};
484
485InspectUI::InspectUI(content::WebUI* web_ui)
486    : WebUIController(web_ui) {
487  web_ui->AddMessageHandler(new InspectMessageHandler(this));
488  Profile* profile = Profile::FromWebUI(web_ui);
489  content::WebUIDataSource::Add(profile, CreateInspectUIHTMLSource());
490
491  // Set up the chrome://theme/ source.
492  ThemeSource* theme = new ThemeSource(profile);
493  content::URLDataSource::Add(profile, theme);
494}
495
496InspectUI::~InspectUI() {
497  StopListeningNotifications();
498}
499
500void InspectUI::InitUI() {
501  SetPortForwardingDefaults();
502  StartListeningNotifications();
503  PopulateLists();
504  UpdatePortForwardingEnabled();
505  UpdatePortForwardingConfig();
506  observer_->UpdateUI();
507}
508
509void InspectUI::InspectRemotePage(const std::string& id) {
510  RemotePages::iterator it = remote_pages_.find(id);
511  if (it != remote_pages_.end()) {
512    Profile* profile = Profile::FromWebUI(web_ui());
513    it->second->Inspect(profile);
514  }
515}
516
517void InspectUI::ActivateRemotePage(const std::string& id) {
518  RemotePages::iterator it = remote_pages_.find(id);
519  if (it != remote_pages_.end())
520    it->second->Activate();
521}
522
523void InspectUI::ReloadRemotePage(const std::string& id) {
524  RemotePages::iterator it = remote_pages_.find(id);
525  if (it != remote_pages_.end())
526    it->second->Reload();
527}
528
529void InspectUI::CloseRemotePage(const std::string& id) {
530  RemotePages::iterator it = remote_pages_.find(id);
531  if (it != remote_pages_.end())
532    it->second->Close();
533}
534
535void InspectUI::OpenRemotePage(const std::string& browser_id,
536                               const std::string& url) {
537  GURL gurl(url);
538  if (!gurl.is_valid()) {
539    gurl = GURL("http://" + url);
540    if (!gurl.is_valid())
541      return;
542  }
543  RemoteBrowsers::iterator it = remote_browsers_.find(browser_id);
544  if (it != remote_browsers_.end())
545    it->second->Open(gurl.spec());
546}
547
548void InspectUI::PopulateLists() {
549  std::set<RenderViewHost*> tab_rvhs;
550  for (TabContentsIterator it; !it.done(); it.Next())
551    tab_rvhs.insert(it->GetRenderViewHost());
552
553  scoped_ptr<ListValue> target_list(new ListValue());
554
555  std::vector<RenderViewHost*> rvh_vector =
556      DevToolsAgentHost::GetValidRenderViewHosts();
557
558  std::map<WebContents*, DictionaryValue*> description_map;
559  std::vector<WebContents*> guest_contents;
560
561  for (std::vector<RenderViewHost*>::iterator it(rvh_vector.begin());
562       it != rvh_vector.end(); it++) {
563    bool is_tab = tab_rvhs.find(*it) != tab_rvhs.end();
564    RenderViewHost* rvh = (*it);
565    WebContents* web_contents = WebContents::FromRenderViewHost(rvh);
566    if (rvh->GetProcess()->IsGuest()) {
567      if (web_contents)
568        guest_contents.push_back(web_contents);
569    } else {
570      DictionaryValue* dictionary = BuildTargetDescriptor(rvh, is_tab);
571      if (web_contents)
572        description_map[web_contents] = dictionary;
573      target_list->Append(dictionary);
574    }
575  }
576
577  // Add the list of guest-views to each of its embedders.
578  for (std::vector<WebContents*>::iterator it(guest_contents.begin());
579       it != guest_contents.end(); ++it) {
580    WebContents* guest = (*it);
581    WebContents* embedder = guest->GetEmbedderWebContents();
582    if (embedder && description_map.count(embedder) > 0) {
583      DictionaryValue* description = description_map[embedder];
584      ListValue* guests = NULL;
585      if (!description->GetList(kGuestList, &guests)) {
586        guests = new ListValue();
587        description->Set(kGuestList, guests);
588      }
589      RenderViewHost* rvh = guest->GetRenderViewHost();
590      if (rvh)
591        guests->Append(BuildTargetDescriptor(rvh, false));
592    }
593  }
594
595  web_ui()->CallJavascriptFunction("populateLists", *target_list.get());
596}
597
598void InspectUI::Observe(int type,
599    const content::NotificationSource& source,
600    const content::NotificationDetails& details) {
601  if (source != content::Source<WebContents>(web_ui()->GetWebContents()))
602    PopulateLists();
603  else if (type == content::NOTIFICATION_WEB_CONTENTS_DISCONNECTED)
604    StopListeningNotifications();
605}
606
607void InspectUI::StartListeningNotifications() {
608  if (observer_)
609    return;
610
611  observer_ = new WorkerCreationDestructionListener();
612  observer_->Init(this);
613
614  Profile* profile = Profile::FromWebUI(web_ui());
615  DevToolsAdbBridge* adb_bridge =
616      DevToolsAdbBridge::Factory::GetForProfile(profile);
617  if (adb_bridge)
618    adb_bridge->AddListener(this);
619
620  notification_registrar_.Add(this,
621                              content::NOTIFICATION_WEB_CONTENTS_CONNECTED,
622                              content::NotificationService::AllSources());
623  notification_registrar_.Add(this,
624                              content::NOTIFICATION_WEB_CONTENTS_DISCONNECTED,
625                              content::NotificationService::AllSources());
626  notification_registrar_.Add(this,
627                              content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
628                              content::NotificationService::AllSources());
629
630  pref_change_registrar_.Init(profile->GetPrefs());
631  pref_change_registrar_.Add(prefs::kDevToolsPortForwardingEnabled,
632      base::Bind(&InspectUI::UpdatePortForwardingEnabled,
633                 base::Unretained(this)));
634  pref_change_registrar_.Add(prefs::kDevToolsPortForwardingConfig,
635      base::Bind(&InspectUI::UpdatePortForwardingConfig,
636                 base::Unretained(this)));
637}
638
639void InspectUI::StopListeningNotifications()
640{
641  if (!observer_.get())
642    return;
643  Profile* profile = Profile::FromWebUI(web_ui());
644  DevToolsAdbBridge* adb_bridge =
645      DevToolsAdbBridge::Factory::GetForProfile(profile);
646  if (adb_bridge)
647    adb_bridge->RemoveListener(this);
648  observer_->InspectUIDestroyed();
649  observer_ = NULL;
650  notification_registrar_.RemoveAll();
651  pref_change_registrar_.RemoveAll();
652}
653
654content::WebUIDataSource* InspectUI::CreateInspectUIHTMLSource() {
655  content::WebUIDataSource* source =
656      content::WebUIDataSource::Create(chrome::kChromeUIInspectHost);
657  source->AddResourcePath("inspect.css", IDR_INSPECT_CSS);
658  source->AddResourcePath("inspect.js", IDR_INSPECT_JS);
659  source->SetDefaultResource(IDR_INSPECT_HTML);
660  return source;
661}
662
663void InspectUI::RemoteDevicesChanged(
664    DevToolsAdbBridge::RemoteDevices* devices) {
665  Profile* profile = Profile::FromWebUI(web_ui());
666  PortForwardingController* port_forwarding_controller =
667      PortForwardingController::Factory::GetForProfile(profile);
668  PortForwardingController::DevicesStatus port_forwarding_status;
669  if (port_forwarding_controller)
670    port_forwarding_status =
671        port_forwarding_controller->UpdateDeviceList(*devices);
672
673  remote_browsers_.clear();
674  remote_pages_.clear();
675  ListValue device_list;
676  for (DevToolsAdbBridge::RemoteDevices::iterator dit = devices->begin();
677       dit != devices->end(); ++dit) {
678    DevToolsAdbBridge::RemoteDevice* device = dit->get();
679    DictionaryValue* device_data = new DictionaryValue();
680    device_data->SetString(kAdbModelField, device->model());
681    device_data->SetString(kAdbSerialField, device->serial());
682    std::string device_id = base::StringPrintf(
683        "device:%s",
684        device->serial().c_str());
685    device_data->SetString(kAdbGlobalIdField, device_id);
686    ListValue* browser_list = new ListValue();
687    device_data->Set(kAdbBrowsersField, browser_list);
688
689    DevToolsAdbBridge::RemoteBrowsers& browsers = device->browsers();
690    for (DevToolsAdbBridge::RemoteBrowsers::iterator bit =
691        browsers.begin(); bit != browsers.end(); ++bit) {
692      DevToolsAdbBridge::RemoteBrowser* browser = bit->get();
693      DictionaryValue* browser_data = new DictionaryValue();
694      browser_data->SetString(kAdbBrowserProductField, browser->product());
695      browser_data->SetString(kAdbBrowserPackageField, browser->package());
696      browser_data->SetString(kAdbBrowserVersionField, browser->version());
697      std::string browser_id = base::StringPrintf(
698          "browser:%s:%s:%s",
699          device->serial().c_str(),
700          browser->product().c_str(),  // Force sorting by product name.
701          browser->socket().c_str());
702      browser_data->SetString(kAdbGlobalIdField, browser_id);
703      remote_browsers_[browser_id] = browser;
704      ListValue* page_list = new ListValue();
705      browser_data->Set(kAdbPagesField, page_list);
706
707      DevToolsAdbBridge::RemotePages& pages = browser->pages();
708      for (DevToolsAdbBridge::RemotePages::iterator it =
709          pages.begin(); it != pages.end(); ++it) {
710        DevToolsAdbBridge::RemotePage* page =  it->get();
711        DictionaryValue* page_data = BuildTargetDescriptor(
712            kAdbTargetType, page->attached(),
713            GURL(page->url()), page->title(), GURL(page->favicon_url()),
714            page->description(), 0, 0);
715        std::string page_id = base::StringPrintf("page:%s:%s:%s",
716            device->serial().c_str(),
717            browser->socket().c_str(),
718            page->id().c_str());
719        page_data->SetString(kAdbGlobalIdField, page_id);
720        // Pass the screen size in the page object to make sure that
721        // the caching logic does not prevent the page item from updating
722        // when the screen size changes.
723        gfx::Size screen_size = device->GetScreenSize();
724        page_data->SetInteger(kAdbScreenWidthField, screen_size.width());
725        page_data->SetInteger(kAdbScreenHeightField, screen_size.height());
726        remote_pages_[page_id] = page;
727        page_list->Append(page_data);
728      }
729      browser_list->Append(browser_data);
730    }
731
732    if (port_forwarding_controller) {
733      PortForwardingController::DevicesStatus::iterator sit =
734          port_forwarding_status.find(device->serial());
735      if (sit != port_forwarding_status.end()) {
736        DictionaryValue* port_status_dict = new DictionaryValue();
737        typedef PortForwardingController::PortStatusMap StatusMap;
738        const StatusMap& port_status = sit->second;
739        for (StatusMap::const_iterator it = port_status.begin();
740             it != port_status.end(); ++it) {
741          port_status_dict->SetInteger(
742              base::StringPrintf("%d", it->first), it->second);
743        }
744        device_data->Set(kAdbPortStatus, port_status_dict);
745      }
746    }
747
748    device_list.Append(device_data);
749  }
750  web_ui()->CallJavascriptFunction("populateDeviceLists", device_list);
751}
752
753void InspectUI::UpdatePortForwardingEnabled() {
754  web_ui()->CallJavascriptFunction("updatePortForwardingEnabled",
755      *GetPrefValue(prefs::kDevToolsPortForwardingEnabled));
756
757}
758
759void InspectUI::UpdatePortForwardingConfig() {
760  web_ui()->CallJavascriptFunction("updatePortForwardingConfig",
761      *GetPrefValue(prefs::kDevToolsPortForwardingConfig));
762}
763
764void InspectUI::SetPortForwardingDefaults() {
765  Profile* profile = Profile::FromWebUI(web_ui());
766  PrefService* prefs = profile->GetPrefs();
767
768  bool default_set;
769  if (!GetPrefValue(prefs::kDevToolsPortForwardingDefaultSet)->
770      GetAsBoolean(&default_set) || default_set) {
771    return;
772  }
773
774  // This is the first chrome://inspect invocation on a fresh profile or after
775  // upgrade from a version that did not have kDevToolsPortForwardingDefaultSet.
776  prefs->SetBoolean(prefs::kDevToolsPortForwardingDefaultSet, true);
777
778  bool enabled;
779  const base::DictionaryValue* config;
780  if (!GetPrefValue(prefs::kDevToolsPortForwardingEnabled)->
781        GetAsBoolean(&enabled) ||
782      !GetPrefValue(prefs::kDevToolsPortForwardingConfig)->
783        GetAsDictionary(&config)) {
784    return;
785  }
786
787  // Do nothing if user already took explicit action.
788  if (enabled || config->size() != 0)
789    return;
790
791  base::DictionaryValue default_config;
792  default_config.SetString(
793      kPortForwardingDefaultPort, kPortForwardingDefaultLocation);
794  prefs->Set(prefs::kDevToolsPortForwardingConfig, default_config);
795}
796
797const base::Value* InspectUI::GetPrefValue(const char* name) {
798  Profile* profile = Profile::FromWebUI(web_ui());
799  return profile->GetPrefs()->FindPreference(name)->GetValue();
800}
801