DevTools: Extract target discovery and manipulation from DevToolsHttpHandlerImpl

content/browser/devtools/devtools_target_descriptor_impl.cc

+// Copyright (c) 2013 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 file.
+
+#include "content/public/browser/devtools_target_descriptor.h"
+
+#include "base/strings/stringprintf.h"
+#include "base/strings/utf_string_conversions.h"
+#include "base/values.h"
+#include "content/public/browser/devtools_agent_host.h"
+#include "content/public/browser/favicon_status.h"
+#include "content/public/browser/navigation_entry.h"
+#include "content/public/browser/web_contents.h"
+#include "net/base/escape.h"
+
+namespace content {
+
+namespace {
+
+const char kTargetIdField[] = "id";
+const char kTargetTypeField[] = "type";
+const char kTargetTitleField[] = "title";
+const char kTargetDescriptionField[] = "description";
+const char kTargetUrlField[] = "url";
+const char kTargetThumbnailUrlField[] = "thumbnailUrl";
+const char kTargetFaviconUrlField[] = "faviconUrl";
+const char kTargetLastActivityTimeField[] = "lastActivityTime";
+
+const char kTargetTypePage[] = "page";
+const char kTargetTypeOther[] = "other";
+
+class DevToolsTargetDescriptorImpl : public content::DevToolsTargetDescriptor {
+ public:
+  explicit DevToolsTargetDescriptorImpl(content::WebContents* web_contents);
+
+  explicit DevToolsTargetDescriptorImpl(
+      const WorkerService::WorkerInfo& worker);
+
+  virtual std::string GetId() const OVERRIDE { return id_; }
+
+  virtual std::string GetType() const OVERRIDE { return type_; }
+
+  virtual std::string GetTitle() const OVERRIDE { return title_; };
+
+  virtual std::string GetDescription() const OVERRIDE { return description_; }
+
+  virtual std::string GetUrl() const OVERRIDE { return url_; }
+
+  virtual std::string GetFaviconUrl() const OVERRIDE { return favicon_url_; }
+
+  virtual base::TimeTicks GetLastActivityTime() const OVERRIDE {
+    return last_activity_time_;
+  }
+
+  virtual base::DictionaryValue* Serialize() const OVERRIDE;
+
+  virtual void OverrideType(const std::string& type) OVERRIDE {
+    type_ = type;
+  }
+
+  virtual void OverrideDescription(const std::string& description) OVERRIDE {
+    description_ = description;
+  }
+
+ private:
+  std::string id_;
+  std::string type_;
+  std::string title_;
+  std::string description_;
+  std::string url_;
+  std::string favicon_url_;
+  base::TimeTicks last_activity_time_;
+};
+
+DevToolsTargetDescriptorImpl::DevToolsTargetDescriptorImpl(
+    WebContents* web_contents) {
+  scoped_refptr<DevToolsAgentHost> agent(DevToolsAgentHost::GetOrCreateFor(
+      web_contents->GetRenderViewHost()));
+  id_ = agent->GetId();
+  type_ = kTargetTypePage;
+  title_ = UTF16ToUTF8(net::EscapeForHTML(web_contents->GetTitle()));
+  url_ = web_contents->GetURL().spec();
+
+  NavigationController& controller = web_contents->GetController();
+  NavigationEntry* entry = controller.GetActiveEntry();
+  if (entry != NULL && entry->GetURL().is_valid())
+    favicon_url_ = entry->GetFavicon().url.spec();
+
+  last_activity_time_ = web_contents->GetLastSelectedTime();
+}
+
+DevToolsTargetDescriptorImpl::DevToolsTargetDescriptorImpl(
+    const WorkerService::WorkerInfo& worker) {
+  scoped_refptr<DevToolsAgentHost> agent(DevToolsAgentHost::GetForWorker(
+      worker.process_id, worker.route_id));
+  id_ = agent->GetId();
+  type_ = kTargetTypeOther;
+  title_ = UTF16ToUTF8(net::EscapeForHTML(worker.name));
+  url_ = worker.url.spec();
+  description_ =
+      base::StringPrintf("Worker pid:%d", base::GetProcId(worker.handle));
+}
+
+base::DictionaryValue* DevToolsTargetDescriptorImpl::Serialize() const {
+  base::DictionaryValue* dict = new base::DictionaryValue;
+
+  dict->SetString(kTargetIdField, id_);
+  dict->SetString(kTargetTypeField, type_);
+  dict->SetString(kTargetTitleField, title_);
+  dict->SetString(kTargetDescriptionField, description_);
+  dict->SetString(kTargetUrlField, url_);
+  dict->SetString(kTargetFaviconUrlField, favicon_url_);
+  dict->SetDouble(kTargetLastActivityTimeField,
+      last_activity_time_.ToInternalValue());
+
+  return dict;
+}
+
+}
+
+// static
+DevToolsTargetDescriptor*
+DevToolsTargetDescriptor::FromWebContents(WebContents* web_contents) {
+  return new DevToolsTargetDescriptorImpl(web_contents);
+}
+
+// static
+DevToolsTargetDescriptor*
+DevToolsTargetDescriptor::FromWorkerInfo(
+    const WorkerService::WorkerInfo& worker) {
+  return new DevToolsTargetDescriptorImpl(worker);
+}
+
+}  // namespace content