chrome/browser/android/dev_tools_manager_delegate_android.cc

   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/android/dev_tools_manager_delegate_android.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/compiler_specific.h"
   9 #include "base/strings/string_number_conversions.h"
  10 #include "base/strings/utf_string_conversions.h"
  11 #include "chrome/browser/android/tab_android.h"
  12 #include "chrome/browser/browser_process.h"
  13 #include "chrome/browser/history/top_sites.h"
  14 #include "chrome/browser/profiles/profile_manager.h"
  15 #include "chrome/browser/ui/android/tab_model/tab_model.h"
  16 #include "chrome/browser/ui/android/tab_model/tab_model_list.h"
  17 #include "content/public/browser/devtools_agent_host.h"
  18 #include "content/public/browser/devtools_target.h"
  19 #include "content/public/browser/favicon_status.h"
  20 #include "content/public/browser/navigation_entry.h"
  21 #include "content/public/browser/web_contents.h"
  22
  23 using content::DevToolsAgentHost;
  24 using content::WebContents;
  25
  26 namespace {
  27
  28 const char kTargetTypePage[] = "page";
  29 const char kTargetTypeServiceWorker[] = "service_worker";
  30 const char kTargetTypeOther[] = "other";
  31
  32 GURL GetFaviconURLForContents(WebContents* web_contents) {
  33   content::NavigationController& controller = web_contents->GetController();
  34   content::NavigationEntry* entry = controller.GetActiveEntry();
  35   if (entry != NULL && entry->GetURL().is_valid())
  36     return entry->GetFavicon().url;
  37   return GURL();
  38 }
  39
  40 GURL GetFaviconURLForAgentHost(
  41     scoped_refptr<DevToolsAgentHost> agent_host) {
  42   if (WebContents* web_contents = agent_host->GetWebContents())
  43     return GetFaviconURLForContents(web_contents);
  44   return GURL();
  45 }
  46
  47 base::TimeTicks GetLastActiveTimeForAgentHost(
  48     scoped_refptr<DevToolsAgentHost> agent_host) {
  49   if (WebContents* web_contents = agent_host->GetWebContents())
  50     return web_contents->GetLastActiveTime();
  51   return base::TimeTicks();
  52 }
  53
  54 class TargetBase : public content::DevToolsTarget {
  55  public:
  56   // content::DevToolsTarget implementation:
  57   virtual std::string GetParentId() const override { return std::string(); }
  58
  59   virtual std::string GetTitle() const override { return title_; }
  60
  61   virtual std::string GetDescription() const override { return std::string(); }
  62
  63   virtual GURL GetURL() const override { return url_; }
  64
  65   virtual GURL GetFaviconURL() const override { return favicon_url_; }
  66
  67   virtual base::TimeTicks GetLastActivityTime() const override {
  68     return last_activity_time_;
  69   }
  70
  71  protected:
  72   explicit TargetBase(WebContents* web_contents)
  73       : title_(base::UTF16ToUTF8(web_contents->GetTitle())),
  74         url_(web_contents->GetURL()),
  75         favicon_url_(GetFaviconURLForContents(web_contents)),
  76         last_activity_time_(web_contents->GetLastActiveTime()) {
  77   }
  78
  79   explicit TargetBase(scoped_refptr<DevToolsAgentHost> agent_host)
  80       : title_(agent_host->GetTitle()),
  81         url_(agent_host->GetURL()),
  82         favicon_url_(GetFaviconURLForAgentHost(agent_host)),
  83         last_activity_time_(GetLastActiveTimeForAgentHost(agent_host)) {
  84   }
  85
  86   TargetBase(const std::string& title, const GURL& url)
  87       : title_(title),
  88         url_(url) {
  89   }
  90
  91  private:
  92   const std::string title_;
  93   const GURL url_;
  94   const GURL favicon_url_;
  95   const base::TimeTicks last_activity_time_;
  96 };
  97
  98 class TabTarget : public TargetBase {
  99  public:
 100   static TabTarget* CreateForWebContents(int tab_id,
 101                                          WebContents* web_contents) {
 102     return new TabTarget(tab_id, web_contents);
 103   }
 104
 105   static TabTarget* CreateForUnloadedTab(int tab_id,
 106                                          const base::string16& title,
 107                                          const GURL& url) {
 108     return new TabTarget(tab_id, title, url);
 109   }
 110
 111   // content::DevToolsTarget implementation:
 112   virtual std::string GetId() const override {
 113     return base::IntToString(tab_id_);
 114   }
 115
 116   virtual std::string GetType() const override {
 117     return kTargetTypePage;
 118   }
 119
 120   virtual bool IsAttached() const override {
 121     TabModel* model;
 122     int index;
 123     if (!FindTab(&model, &index))
 124       return false;
 125     WebContents* web_contents = model->GetWebContentsAt(index);
 126     if (!web_contents)
 127       return false;
 128     return DevToolsAgentHost::IsDebuggerAttached(web_contents);
 129   }
 130
 131   virtual scoped_refptr<DevToolsAgentHost> GetAgentHost() const override {
 132     TabModel* model;
 133     int index;
 134     if (!FindTab(&model, &index))
 135       return NULL;
 136     WebContents* web_contents = model->GetWebContentsAt(index);
 137     if (!web_contents) {
 138       // The tab has been pushed out of memory, pull it back.
 139       TabAndroid* tab = model->GetTabAt(index);
 140       if (!tab)
 141         return NULL;
 142
 143       if (!tab->LoadIfNeeded())
 144         return NULL;
 145
 146       web_contents = model->GetWebContentsAt(index);
 147       if (!web_contents)
 148         return NULL;
 149     }
 150     return DevToolsAgentHost::GetOrCreateFor(web_contents);
 151   }
 152
 153   virtual bool Activate() const override {
 154     TabModel* model;
 155     int index;
 156     if (!FindTab(&model, &index))
 157       return false;
 158     model->SetActiveIndex(index);
 159     return true;
 160   }
 161
 162   virtual bool Close() const override {
 163     TabModel* model;
 164     int index;
 165     if (!FindTab(&model, &index))
 166       return false;
 167     model->CloseTabAt(index);
 168     return true;
 169   }
 170
 171  private:
 172   TabTarget(int tab_id, WebContents* web_contents)
 173       : TargetBase(web_contents),
 174         tab_id_(tab_id) {
 175   }
 176
 177   TabTarget(int tab_id, const base::string16& title, const GURL& url)
 178       : TargetBase(base::UTF16ToUTF8(title), url),
 179         tab_id_(tab_id) {
 180   }
 181
 182   bool FindTab(TabModel** model_result, int* index_result) const {
 183     for (TabModelList::const_iterator iter = TabModelList::begin();
 184         iter != TabModelList::end(); ++iter) {
 185       TabModel* model = *iter;
 186       for (int i = 0; i < model->GetTabCount(); ++i) {
 187         TabAndroid* tab = model->GetTabAt(i);
 188         if (tab && tab->GetAndroidId() == tab_id_) {
 189           *model_result = model;
 190           *index_result = i;
 191           return true;
 192         }
 193       }
 194     }
 195     return false;
 196   }
 197
 198   const int tab_id_;
 199 };
 200
 201 class NonTabTarget : public TargetBase {
 202  public:
 203   explicit NonTabTarget(scoped_refptr<DevToolsAgentHost> agent_host)
 204       : TargetBase(agent_host),
 205         agent_host_(agent_host) {
 206   }
 207
 208   // content::DevToolsTarget implementation:
 209   virtual std::string GetId() const override {
 210     return agent_host_->GetId();
 211   }
 212
 213   virtual std::string GetType() const override {
 214     switch (agent_host_->GetType()) {
 215       case DevToolsAgentHost::TYPE_WEB_CONTENTS:
 216         if (TabModelList::begin() == TabModelList::end()) {
 217           // If there are no tab models we must be running in ChromeShell.
 218           // Return the 'page' target type for backwards compatibility.
 219           return kTargetTypePage;
 220         }
 221         break;
 222       case DevToolsAgentHost::TYPE_SERVICE_WORKER:
 223         return kTargetTypeServiceWorker;
 224       default:
 225         break;
 226     }
 227     return kTargetTypeOther;
 228   }
 229
 230   virtual bool IsAttached() const override {
 231     return agent_host_->IsAttached();
 232   }
 233
 234   virtual scoped_refptr<DevToolsAgentHost> GetAgentHost() const override {
 235     return agent_host_;
 236   }
 237
 238   virtual bool Activate() const override {
 239     return agent_host_->Activate();
 240   }
 241
 242   virtual bool Close() const override {
 243     return agent_host_->Close();
 244   }
 245
 246  private:
 247   scoped_refptr<DevToolsAgentHost> agent_host_;
 248 };
 249
 250 }  // namespace
 251
 252 DevToolsManagerDelegateAndroid::DevToolsManagerDelegateAndroid()
 253     : network_protocol_handler_(new DevToolsNetworkProtocolHandler()) {
 254 }
 255
 256 DevToolsManagerDelegateAndroid::~DevToolsManagerDelegateAndroid() {
 257 }
 258
 259 void DevToolsManagerDelegateAndroid::Inspect(
 260     content::BrowserContext* browser_context,
 261     content::DevToolsAgentHost* agent_host) {
 262 }
 263
 264 base::DictionaryValue* DevToolsManagerDelegateAndroid::HandleCommand(
 265     content::DevToolsAgentHost* agent_host,
 266     base::DictionaryValue* command_dict) {
 267   return network_protocol_handler_->HandleCommand(agent_host, command_dict);
 268 }
 269
 270 void DevToolsManagerDelegateAndroid::DevToolsAgentStateChanged(
 271     content::DevToolsAgentHost* agent_host,
 272     bool attached) {
 273   network_protocol_handler_->DevToolsAgentStateChanged(agent_host, attached);
 274 }
 275
 276 scoped_ptr<content::DevToolsTarget>
 277     DevToolsManagerDelegateAndroid::CreateNewTarget(const GURL& url) {
 278   if (TabModelList::empty())
 279     return scoped_ptr<content::DevToolsTarget>();
 280
 281   TabModel* tab_model = TabModelList::get(0);
 282   if (!tab_model)
 283     return scoped_ptr<content::DevToolsTarget>();
 284
 285   WebContents* web_contents = tab_model->CreateNewTabForDevTools(url);
 286   if (!web_contents)
 287     return scoped_ptr<content::DevToolsTarget>();
 288
 289   TabAndroid* tab = TabAndroid::FromWebContents(web_contents);
 290   if (!tab)
 291     return scoped_ptr<content::DevToolsTarget>();
 292
 293   return scoped_ptr<content::DevToolsTarget>(
 294       TabTarget::CreateForWebContents(tab->GetAndroidId(), web_contents));
 295 }
 296
 297 void DevToolsManagerDelegateAndroid::EnumerateTargets(TargetCallback callback) {
 298   TargetList targets;
 299
 300   // Enumerate existing tabs, including the ones with no WebContents.
 301   std::set<WebContents*> tab_web_contents;
 302   for (TabModelList::const_iterator iter = TabModelList::begin();
 303       iter != TabModelList::end(); ++iter) {
 304     TabModel* model = *iter;
 305     for (int i = 0; i < model->GetTabCount(); ++i) {
 306       TabAndroid* tab = model->GetTabAt(i);
 307       if (!tab)
 308         continue;
 309
 310       WebContents* web_contents = model->GetWebContentsAt(i);
 311       if (web_contents) {
 312         tab_web_contents.insert(web_contents);
 313         targets.push_back(TabTarget::CreateForWebContents(tab->GetAndroidId(),
 314                                                           web_contents));
 315       } else {
 316         targets.push_back(TabTarget::CreateForUnloadedTab(tab->GetAndroidId(),
 317                                                           tab->GetTitle(),
 318                                                           tab->GetURL()));
 319       }
 320     }
 321   }
 322
 323   // Add targets for WebContents not associated with any tabs.
 324   DevToolsAgentHost::List agents = DevToolsAgentHost::GetOrCreateAll();
 325   for (DevToolsAgentHost::List::iterator it = agents.begin();
 326        it != agents.end(); ++it) {
 327     if (WebContents* web_contents = (*it)->GetWebContents()) {
 328       if (tab_web_contents.find(web_contents) != tab_web_contents.end())
 329         continue;
 330     }
 331     targets.push_back(new NonTabTarget(*it));
 332   }
 333
 334   callback.Run(targets);
 335 }
 336
 337 std::string DevToolsManagerDelegateAndroid::GetPageThumbnailData(
 338     const GURL& url) {
 339   Profile* profile = ProfileManager::GetLastUsedProfile()->GetOriginalProfile();
 340   history::TopSites* top_sites = profile->GetTopSites();
 341   if (top_sites) {
 342     scoped_refptr<base::RefCountedMemory> data;
 343     if (top_sites->GetPageThumbnail(url, false, &data))
 344       return std::string(data->front_as<char>(), data->size());
 345   }
 346   return std::string();
 347 }