Add remote debugging support.

brightray/browser/devtools_delegate.cc

@@ -0,0 +1,197 @@
+// Copyright (c) 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE-CHROMIUM file.
+
+#include "browser/devtools_delegate.h"
+
+#include <vector>
+
+#include "base/bind.h"
+#include "base/command_line.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/stringprintf.h"
+#include "base/strings/utf_string_conversions.h"
+#include "browser/browser_context.h"
+#include "browser/inspectable_web_contents.h"
+#include "browser/default_web_contents_delegate.h"
+#include "browser/inspectable_web_contents_delegate.h"
+#include "content/public/browser/devtools_agent_host.h"
+#include "content/public/browser/devtools_http_handler.h"
+#include "content/public/browser/devtools_target.h"
+#include "content/public/browser/favicon_status.h"
+#include "content/public/browser/navigation_entry.h"
+#include "content/public/browser/render_view_host.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/common/content_switches.h"
+#include "content/public/common/url_constants.h"
+#include "content/public/common/user_agent.h"
+#include "net/socket/tcp_listen_socket.h"
+#include "ui/base/resource/resource_bundle.h"
+
+using content::DevToolsAgentHost;
+using content::RenderViewHost;
+using content::WebContents;
+using content::BrowserContext;
+using content::DevToolsTarget;
+using content::DevToolsHttpHandler;
+
+namespace {
+
+// A hack here:
+// Copy from grit/shell_resources.h of chromium repository
+// since libcontentchromium doesn't expose content_shell resources.
+const int kIDR_CONTENT_SHELL_DEVTOOLS_DISCOVERY_PAGE = 25500;
+
+const char kTargetTypePage[] = "page";
+
+net::StreamListenSocketFactory* CreateSocketFactory() {
+  const CommandLine& command_line = *CommandLine::ForCurrentProcess();
+  // See if the user specified a port on the command line (useful for
+  // automation). If not, use an ephemeral port by specifying 0.
+  int port = 0;
+  if (command_line.HasSwitch(switches::kRemoteDebuggingPort)) {
+    int temp_port;
+    std::string port_str =
+        command_line.GetSwitchValueASCII(switches::kRemoteDebuggingPort);
+    if (base::StringToInt(port_str, &temp_port) &&
+        temp_port > 0 && temp_port < 65535) {
+      port = temp_port;
+    } else {
+      DLOG(WARNING) << "Invalid http debugger port number " << temp_port;
+    }
+  }
+  return new net::TCPListenSocketFactory("127.0.0.1", port);
+}
+
+class Target : public content::DevToolsTarget {
+ public:
+  explicit Target(WebContents* web_contents);
+
+  virtual std::string GetId() const OVERRIDE { return id_; }
+  virtual std::string GetType() const OVERRIDE { return kTargetTypePage; }
+  virtual std::string GetTitle() const OVERRIDE { return title_; }
+  virtual std::string GetDescription() const OVERRIDE { return std::string(); }
+  virtual GURL GetURL() const OVERRIDE { return url_; }
+  virtual GURL GetFaviconURL() const OVERRIDE { return favicon_url_; }
+  virtual base::TimeTicks GetLastActivityTime() const OVERRIDE {
+    return last_activity_time_;
+  }
+  virtual bool IsAttached() const OVERRIDE {
+    return agent_host_->IsAttached();
+  }
+  virtual scoped_refptr<DevToolsAgentHost> GetAgentHost() const OVERRIDE {
+    return agent_host_;
+  }
+  virtual bool Activate() const OVERRIDE;
+  virtual bool Close() const OVERRIDE;
+
+ private:
+  scoped_refptr<DevToolsAgentHost> agent_host_;
+  std::string id_;
+  std::string title_;
+  GURL url_;
+  GURL favicon_url_;
+  base::TimeTicks last_activity_time_;
+};
+
+Target::Target(WebContents* web_contents) {
+  agent_host_ =
+      DevToolsAgentHost::GetOrCreateFor(web_contents->GetRenderViewHost());
+  id_ = agent_host_->GetId();
+  title_ = base::UTF16ToUTF8(web_contents->GetTitle());
+  url_ = web_contents->GetURL();
+  content::NavigationController& controller = web_contents->GetController();
+  content::NavigationEntry* entry = controller.GetActiveEntry();
+  if (entry != NULL && entry->GetURL().is_valid())
+    favicon_url_ = entry->GetFavicon().url;
+  last_activity_time_ = web_contents->GetLastActiveTime();
+}
+
+bool Target::Activate() const {
+  RenderViewHost* rvh = agent_host_->GetRenderViewHost();
+  if (!rvh)
+    return false;
+  WebContents* web_contents = WebContents::FromRenderViewHost(rvh);
+  if (!web_contents)
+    return false;
+  web_contents->GetDelegate()->ActivateContents(web_contents);
+  return true;
+}
+
+bool Target::Close() const {
+  RenderViewHost* rvh = agent_host_->GetRenderViewHost();
+  if (!rvh)
+    return false;
+  rvh->ClosePage();
+  return true;
+}
+
+}  // namespace
+
+namespace brightray {
+
+DevToolsDelegate::DevToolsDelegate(
+    content::BrowserContext* browser_context)
+    : browser_context_(browser_context) {
+  std::string frontend_url;
+  devtools_http_handler_ =
+      DevToolsHttpHandler::Start(CreateSocketFactory(), frontend_url, this);
+}
+
+DevToolsDelegate::~DevToolsDelegate() {
+	LOG(ERROR) << "delete!";
+}
+
+void DevToolsDelegate::Stop() {
+  // The call below destroys this.
+  devtools_http_handler_->Stop();
+}
+
+std::string DevToolsDelegate::GetDiscoveryPageHTML() {
+  return ResourceBundle::GetSharedInstance().GetRawDataResource(
+      kIDR_CONTENT_SHELL_DEVTOOLS_DISCOVERY_PAGE).as_string();
+}
+
+bool DevToolsDelegate::BundlesFrontendResources() {
+  return true;
+}
+
+base::FilePath DevToolsDelegate::GetDebugFrontendDir() {
+  return base::FilePath();
+}
+
+std::string DevToolsDelegate::GetPageThumbnailData(const GURL& url) {
+  return std::string();
+}
+
+scoped_ptr<DevToolsTarget>
+DevToolsDelegate::CreateNewTarget(const GURL& url) {
+  content::WebContents::CreateParams create_params(
+      new brightray::BrowserContext());
+  brightray::InspectableWebContents* web_contents =
+      brightray::InspectableWebContents::Create(create_params);
+  web_contents->SetDelegate(new brightray::InspectableWebContentsDelegate());
+  return scoped_ptr<DevToolsTarget>(new Target(web_contents->GetWebContents()));
+}
+
+void DevToolsDelegate::EnumerateTargets(TargetCallback callback) {
+  TargetList targets;
+  std::vector<RenderViewHost*> rvh_list =
+      content::DevToolsAgentHost::GetValidRenderViewHosts();
+  for (std::vector<RenderViewHost*>::iterator it = rvh_list.begin();
+       it != rvh_list.end(); ++it) {
+    WebContents* web_contents = WebContents::FromRenderViewHost(*it);
+    if (web_contents)
+      targets.push_back(new Target(web_contents));
+  }
+  callback.Run(targets);
+}
+
+scoped_ptr<net::StreamListenSocket>
+DevToolsDelegate::CreateSocketForTethering(
+    net::StreamListenSocket::Delegate* delegate,
+    std::string* name) {
+  return scoped_ptr<net::StreamListenSocket>();
+}
+
+}  // namespace brightray