src/xwalk/runtime/browser/devtools/xwalk_devtools_delegate.cc

   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 "xwalk/runtime/browser/devtools/xwalk_devtools_delegate.h"
   6
   7 #include <string>
   8
   9 #include "base/base64.h"
  10 #include "base/memory/ref_counted_memory.h"
  11 #include "base/strings/utf_string_conversions.h"
  12 #include "base/thread_task_runner_handle.h"
  13 #include "content/public/browser/devtools_agent_host.h"
  14 #include "content/public/browser/devtools_http_handler.h"
  15 #include "content/public/browser/devtools_target.h"
  16 #include "content/public/browser/favicon_status.h"
  17 #include "content/public/browser/navigation_entry.h"
  18 #include "content/public/browser/render_view_host.h"
  19 #include "content/public/browser/render_widget_host_view.h"
  20 #include "content/public/browser/web_contents.h"
  21 #include "content/public/common/url_constants.h"
  22 #include "grit/xwalk_resources.h"
  23 #include "net/socket/tcp_listen_socket.h"
  24 #include "ui/base/resource/resource_bundle.h"
  25 #include "ui/snapshot/snapshot.h"
  26
  27 using content::DevToolsAgentHost;
  28 using content::RenderViewHost;
  29 using content::RenderWidgetHostView;
  30 using content::WebContents;
  31
  32 namespace {
  33
  34 const char kTargetTypePage[] = "page";
  35 const char kTargetTypeServiceWorker[] = "service_worker";
  36 const char kTargetTypeOther[] = "other";
  37
  38 class Target : public content::DevToolsTarget {
  39  public:
  40   explicit Target(scoped_refptr<content::DevToolsAgentHost> agent_host);
  41
  42   virtual std::string GetId() const OVERRIDE { return agent_host_->GetId(); }
  43   virtual std::string GetType() const OVERRIDE {
  44       switch (agent_host_->GetType()) {
  45         case content::DevToolsAgentHost::TYPE_WEB_CONTENTS:
  46            return kTargetTypePage;
  47          case content::DevToolsAgentHost::TYPE_SERVICE_WORKER:
  48            return kTargetTypeServiceWorker;
  49          default:
  50            break;
  51        }
  52        return kTargetTypeOther;
  53      }
  54   virtual std::string GetTitle() const OVERRIDE {
  55     return agent_host_->GetTitle();
  56   }
  57   virtual std::string GetDescription() const OVERRIDE { return std::string(); }
  58   virtual GURL GetURL() const OVERRIDE { return  agent_host_->GetURL(); }
  59   virtual GURL GetFaviconURL() const OVERRIDE { return favicon_url_; }
  60   virtual base::TimeTicks GetLastActivityTime() const OVERRIDE {
  61     return last_activity_time_;
  62   }
  63   virtual std::string GetParentId() const OVERRIDE { return std::string(); }
  64   virtual bool IsAttached() const OVERRIDE {
  65     return agent_host_->IsAttached();
  66   }
  67   virtual scoped_refptr<DevToolsAgentHost> GetAgentHost() const OVERRIDE {
  68     return agent_host_;
  69   }
  70   virtual bool Activate() const OVERRIDE;
  71   virtual bool Close() const OVERRIDE;
  72
  73  private:
  74   GURL GetFaviconDataURL(WebContents* web_contents) const;
  75
  76   scoped_refptr<DevToolsAgentHost> agent_host_;
  77   std::string id_;
  78   std::string title_;
  79   GURL favicon_url_;
  80   base::TimeTicks last_activity_time_;
  81 };
  82
  83 Target::Target(scoped_refptr<content::DevToolsAgentHost> agent_host)
  84     : agent_host_(agent_host) {
  85   if (content::WebContents* web_contents = agent_host_->GetWebContents()) {
  86     content::NavigationController& controller = web_contents->GetController();
  87     content::NavigationEntry* entry = controller.GetActiveEntry();
  88     if (entry != NULL && entry->GetURL().is_valid())
  89       favicon_url_ = entry->GetFavicon().url;
  90     if (favicon_url_.is_empty())
  91       favicon_url_ = GetFaviconDataURL(web_contents);
  92     last_activity_time_ = web_contents->GetLastActiveTime();
  93   }
  94 }
  95
  96 GURL Target::GetFaviconDataURL(WebContents* web_contents) const {
  97   // Convert icon image to "data:" url.
  98   xwalk::Runtime* runtime =
  99       static_cast<xwalk::Runtime*>(web_contents->GetDelegate());
 100   if (!runtime || runtime->app_icon().IsEmpty())
 101     return GURL();
 102   scoped_refptr<base::RefCountedMemory> icon_bytes =
 103       runtime->app_icon().Copy1xPNGBytes();
 104   std::string str_url;
 105   str_url.append(reinterpret_cast<const char*>(icon_bytes->front()),
 106                  icon_bytes->size());
 107   base::Base64Encode(str_url, &str_url);
 108   str_url.insert(0, "data:image/png;base64,");
 109   return GURL(str_url);
 110 }
 111
 112 bool Target::Activate() const {
 113   return agent_host_->Activate();
 114 }
 115
 116 bool Target::Close() const {
 117   return agent_host_->Close();
 118 }
 119
 120 }  // namespace
 121
 122 namespace xwalk {
 123
 124 namespace {
 125 Runtime* CreateWithDefaultWindow(
 126     XWalkBrowserContext* browser_context, const GURL& url,
 127     Runtime::Observer* observer) {
 128   Runtime* runtime = Runtime::Create(browser_context);
 129   runtime->set_observer(observer);
 130   runtime->LoadURL(url);
 131 #if !defined(OS_ANDROID)
 132   runtime->set_ui_delegate(DefaultRuntimeUIDelegate::Create(runtime));
 133   runtime->Show();
 134 #endif
 135   return runtime;
 136 }
 137 }  // namespace
 138
 139 XWalkDevToolsHttpHandlerDelegate::XWalkDevToolsHttpHandlerDelegate() {
 140 }
 141
 142 XWalkDevToolsHttpHandlerDelegate::~XWalkDevToolsHttpHandlerDelegate() {
 143 }
 144
 145 std::string XWalkDevToolsHttpHandlerDelegate::GetDiscoveryPageHTML() {
 146   return ResourceBundle::GetSharedInstance().GetRawDataResource(
 147       IDR_DEVTOOLS_FRONTEND_PAGE_HTML).as_string();
 148 }
 149
 150 void XWalkDevToolsDelegate::ProcessAndSaveThumbnail(
 151     const GURL& url,
 152     scoped_refptr<base::RefCountedBytes> png) {
 153   const std::vector<unsigned char>& png_data = png->data();
 154   std::string png_string_data(reinterpret_cast<const char*>(&png_data[0]),
 155                               png_data.size());
 156   thumbnail_map_[url] = png_string_data;
 157 }
 158
 159 bool XWalkDevToolsHttpHandlerDelegate::BundlesFrontendResources() {
 160   return true;
 161 }
 162
 163 base::FilePath XWalkDevToolsHttpHandlerDelegate::GetDebugFrontendDir() {
 164   return base::FilePath();
 165 }
 166
 167 scoped_ptr<net::StreamListenSocket>
 168 XWalkDevToolsHttpHandlerDelegate::CreateSocketForTethering(
 169     net::StreamListenSocket::Delegate* delegate,
 170     std::string* name) {
 171   return scoped_ptr<net::StreamListenSocket>();
 172 }
 173
 174 XWalkDevToolsDelegate::XWalkDevToolsDelegate(XWalkBrowserContext* context)
 175     : browser_context_(context),
 176       weak_factory_(this) {
 177 }
 178
 179 XWalkDevToolsDelegate::~XWalkDevToolsDelegate() {
 180 }
 181
 182 base::DictionaryValue* XWalkDevToolsDelegate::HandleCommand(
 183     content::DevToolsAgentHost* agent_host,
 184     base::DictionaryValue* command_dict) {
 185   return NULL;
 186 }
 187
 188 std::string XWalkDevToolsDelegate::GetPageThumbnailData(const GURL& url) {
 189   if (thumbnail_map_.find(url) != thumbnail_map_.end())
 190     return thumbnail_map_[url];
 191   // TODO(YangangHan): Support real time thumbnail.
 192   content::DevToolsAgentHost::List agents =
 193       content::DevToolsAgentHost::GetOrCreateAll();
 194   for (auto& it : agents) {
 195     WebContents* web_contents = it.get()->GetWebContents();
 196     if (web_contents && web_contents->GetURL() == url) {
 197       RenderWidgetHostView* render_widget_host_view =
 198           web_contents->GetRenderWidgetHostView();
 199       if (!render_widget_host_view)
 200         continue;
 201       gfx::Rect snapshot_bounds(
 202         render_widget_host_view->GetViewBounds().size());
 203       ui::GrabViewSnapshotAsync(
 204         render_widget_host_view->GetNativeView(),
 205         snapshot_bounds,
 206         base::ThreadTaskRunnerHandle::Get(),
 207         base::Bind(&XWalkDevToolsDelegate::ProcessAndSaveThumbnail,
 208                    weak_factory_.GetWeakPtr(),
 209                    url));
 210         break;
 211     }
 212   }
 213   return std::string();
 214 }
 215
 216 scoped_ptr<content::DevToolsTarget>
 217 XWalkDevToolsDelegate::CreateNewTarget(const GURL& url) {
 218   Runtime* runtime = CreateWithDefaultWindow(
 219       browser_context_, GURL(url::kAboutBlankURL), this);
 220   return scoped_ptr<content::DevToolsTarget>(
 221       new Target(DevToolsAgentHost::GetOrCreateFor(runtime->web_contents())));
 222 }
 223
 224 void XWalkDevToolsDelegate::EnumerateTargets(TargetCallback callback) {
 225   TargetList targets;
 226   content::DevToolsAgentHost::List agents =
 227       content::DevToolsAgentHost::GetOrCreateAll();
 228   for (content::DevToolsAgentHost::List::iterator it = agents.begin();
 229        it != agents.end(); ++it) {
 230 #if !defined(OS_ANDROID)
 231     Runtime* runtime =
 232         static_cast<Runtime*>((*it)->GetWebContents()->GetDelegate());
 233     if (runtime && runtime->remote_debugging_enabled())
 234 #endif
 235       targets.push_back(new Target(*it));
 236   }
 237   callback.Run(targets);
 238 }
 239
 240 void XWalkDevToolsDelegate::OnNewRuntimeAdded(Runtime* runtime) {
 241   runtime->set_observer(this);
 242   runtime->set_ui_delegate(DefaultRuntimeUIDelegate::Create(runtime));
 243   runtime->Show();
 244 }
 245
 246 void XWalkDevToolsDelegate::OnRuntimeClosed(Runtime* runtime) {
 247   delete runtime;
 248 }
 249
 250 }  // namespace xwalk