Initial work on chrome-ui://extensions/ page. URL now displays a static template page

Review URL: http://codereview.chromium.org/28172

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@10675 0039d316-1c4b-4281-b951-d872f2087c98

7 files changed, 249 insertions, 0 deletions

diff --git a/chrome/browser/browser.scons b/chrome/browser/browser.scons
index ea53d85..2a62c54 100644
--- a/chrome/browser/browser.scons
+++ b/chrome/browser/browser.scons
@@ -513,6 +513,8 @@ input_files = ChromeFileList([
     'extensions/extension_protocols.h',
     'extensions/extensions_service.cc',
     'extensions/extensions_service.h',
+    'extensions/extensions_ui.cc',
+    'extensions/extensions_ui.h',
     'extensions/user_script_master.cc',
     'extensions/user_script_master.h',
   ]),
diff --git a/chrome/browser/browser.vcproj b/chrome/browser/browser.vcproj
index 0015e0a..49c6eff 100644
--- a/chrome/browser/browser.vcproj
+++ b/chrome/browser/browser.vcproj
@@ -1946,6 +1946,14 @@
 				>
 			</File>
 			<File
+				RelativePath=".\extensions\extensions_ui.cc"
+				>
+			</File>
+			<File
+				RelativePath=".\extensions\extensions_ui.h"
+				>
+			</File>
+			<File
 				RelativePath=".\extensions\user_script_master.cc"
 				>
 			</File>
diff --git a/chrome/browser/browser_resources.grd b/chrome/browser/browser_resources.grd
index 10d84fa..c856181 100644
--- a/chrome/browser/browser_resources.grd
+++ b/chrome/browser/browser_resources.grd
@@ -23,6 +23,7 @@
       <include name="IDR_CREDITS_HTML" file="resources\about_credits.html" flattenhtml="true" type="BINDATA" />
       <include name="IDR_HISTORY_HTML" file="resources\history.html" flattenhtml="true" type="BINDATA" />
       <include name="IDR_DOWNLOADS_HTML" file="resources\downloads.html" flattenhtml="true" type="BINDATA" />
+      <include name="IDR_EXTENSIONS_HTML" file="resources\extensions.html" flattenhtml="true" type="BINDATA" />
       <if expr="os == 'linux2'">
         <include name="IDR_LINUX_SPLASH_HTML" file="resources\linux-splash.html" flattenhtml="true" type="BINDATA" />
       </if>
diff --git a/chrome/browser/dom_ui/dom_ui_contents.cc b/chrome/browser/dom_ui/dom_ui_contents.cc
index 6fd749f..fd6a5c3 100644
--- a/chrome/browser/dom_ui/dom_ui_contents.cc
+++ b/chrome/browser/dom_ui/dom_ui_contents.cc
@@ -10,6 +10,7 @@
 #include "chrome/browser/dom_ui/downloads_ui.h"
 #include "chrome/browser/dom_ui/history_ui.h"
 #include "chrome/browser/dom_ui/new_tab_ui.h"
+#include "chrome/browser/extensions/extensions_ui.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
 #include "chrome/browser/tab_contents/navigation_entry.h"
 #include "chrome/common/resource_bundle.h"
@@ -243,6 +244,8 @@ DOMUI* DOMUIContents::GetDOMUIForURL(const GURL &url) {
     return new HistoryUI(this);
   } else if (url.host() == DownloadsUI::GetBaseURL().host()) {
     return new DownloadsUI(this);
+  } else if (url.host() == ExtensionsUI::GetBaseURL().host()) {
+    return new ExtensionsUI(this);
   } else if (url.host() == DebuggerContents::GetBaseURL().host()) {
     return new DebuggerContents(this);
   } else if (url.host() == DevToolsUI::GetBaseURL().host()) {
diff --git a/chrome/browser/extensions/extensions_ui.cc b/chrome/browser/extensions/extensions_ui.cc
new file mode 100644
index 0000000..c4d2344
--- /dev/null
+++ b/chrome/browser/extensions/extensions_ui.cc
@@ -0,0 +1,90 @@
+// Copyright (c) 2006-2009 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 "chrome/browser/extensions/extensions_ui.h"
+
+#include "base/thread.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/common/jstemplate_builder.h"
+#include "chrome/common/l10n_util.h"
+#include "chrome/common/resource_bundle.h"
+#include "chrome/common/url_constants.h"
+
+#include "grit/browser_resources.h"
+#include "grit/generated_resources.h"
+
+// ExtensionsUI is accessible from chrome-ui://extensions.
+static const char kExtensionsHost[] = "extensions";
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// ExtensionsHTMLSource
+//
+////////////////////////////////////////////////////////////////////////////////
+
+ExtensionsUIHTMLSource::ExtensionsUIHTMLSource()
+    : DataSource(kExtensionsHost, MessageLoop::current()) {
+}
+
+void ExtensionsUIHTMLSource::StartDataRequest(const std::string& path,
+                                              int request_id) {
+  DictionaryValue localized_strings;
+  localized_strings.SetString(L"title",
+      l10n_util::GetString(IDS_EXTENSIONS_TITLE));
+
+  static const StringPiece extensions_html(
+      ResourceBundle::GetSharedInstance().GetRawDataResource(
+          IDR_EXTENSIONS_HTML));
+  const std::string full_html = jstemplate_builder::GetTemplateHtml(
+      extensions_html, &localized_strings, "root");
+
+  scoped_refptr<RefCountedBytes> html_bytes(new RefCountedBytes);
+  html_bytes->data.resize(full_html.size());
+  std::copy(full_html.begin(), full_html.end(), html_bytes->data.begin());
+
+  SendResponse(request_id, html_bytes);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+//
+// ExtensionsDOMHandler
+//
+///////////////////////////////////////////////////////////////////////////////
+
+ExtensionsDOMHandler::ExtensionsDOMHandler(DOMUI* dom_ui)
+    : DOMMessageHandler(dom_ui) {
+}
+
+ExtensionsDOMHandler::~ExtensionsDOMHandler() {
+}
+
+// ExtensionsDOMHandler, public: -----------------------------------------------
+
+void ExtensionsDOMHandler::Init() {
+}
+
+ExtensionsUI::ExtensionsUI(DOMUIContents* contents) : DOMUI(contents) {
+}
+
+void ExtensionsUI::Init() {
+  ExtensionsDOMHandler* handler = new ExtensionsDOMHandler(this);
+  AddMessageHandler(handler);
+  handler->Init();
+
+  ExtensionsUIHTMLSource* html_source = new ExtensionsUIHTMLSource();
+
+  // Set up the chrome-ui://extensions/ source.
+  g_browser_process->io_thread()->message_loop()->PostTask(FROM_HERE,
+      NewRunnableMethod(&chrome_url_data_manager,
+          &ChromeURLDataManager::AddDataSource, html_source));
+}
+
+// static
+GURL ExtensionsUI::GetBaseURL() {
+  std::string url = DOMUIContents::GetScheme();
+  url += chrome::kStandardSchemeSeparator;
+  url += kExtensionsHost;
+  return GURL(url);
+}
+
diff --git a/chrome/browser/extensions/extensions_ui.h b/chrome/browser/extensions/extensions_ui.h
new file mode 100644
index 0000000..1298289
--- /dev/null
+++ b/chrome/browser/extensions/extensions_ui.h
@@ -0,0 +1,58 @@
+// Copyright (c) 2006-2009 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.
+
+#ifndef CHROME_BROWSER_EXTENSIONS_EXTENSIONS_UI_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTENSIONS_UI_H_
+
+#include <string>
+
+#include "chrome/browser/dom_ui/dom_ui.h"
+#include "chrome/browser/dom_ui/dom_ui_contents.h"
+
+class GURL;
+
+class ExtensionsUIHTMLSource : public ChromeURLDataManager::DataSource {
+ public:
+  ExtensionsUIHTMLSource();
+
+  // Called when the network layer has requested a resource underneath
+  // the path we registered.
+  virtual void StartDataRequest(const std::string& path, int request_id);
+  virtual std::string GetMimeType(const std::string&) const {
+    return "text/html";
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ExtensionsUIHTMLSource);
+};
+
+// The handler for Javascript messages related to the "extensions" view.
+class ExtensionsDOMHandler : public DOMMessageHandler {
+ public:
+  explicit ExtensionsDOMHandler(DOMUI* dom_ui);
+  virtual ~ExtensionsDOMHandler();
+  void Init();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ExtensionsDOMHandler);
+};
+
+class ExtensionsUI : public DOMUI {
+ public:
+  explicit ExtensionsUI(DOMUIContents* contents);
+
+  // Return the URL for the front page of this UI.
+  static GURL GetBaseURL();
+
+  // DOMUI Implementation
+  virtual void Init();
+
+ private:
+  DOMUIContents* contents_;
+
+  DISALLOW_COPY_AND_ASSIGN(ExtensionsUI);
+};
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSIONS_UI_H_
+
diff --git a/chrome/browser/resources/extensions.html b/chrome/browser/resources/extensions.html
new file mode 100644
index 0000000..9147b03
--- /dev/null
+++ b/chrome/browser/resources/extensions.html
@@ -0,0 +1,87 @@
+<!DOCTYPE HTML>

+<html id="root">

+<head>

+<meta charset="utf-8">

+<title jscontent="title"></title>

+<script type="text/javascript">

+

+// TODO(rafaelw): Remove. This is stub data. The idea is that the C++ will 

+// populate a similar json structure and hand it to this page with real data 

+// from the extensions system

+var testExtensionData = [

+  {

+    "name": "Dummy Extension",

+    "description": "Does some extremely cool stuff that I won't ever bother " +

+                   "explaining, because it's just that cool.",

+    "version": "1.0.231",

+    "content_scripts": [

+      {

+        "js": ["file1.js", "file2.js"],

+        "matches": ["http://*/*", "http://other.com/*"]

+      },

+      {

+        "js": ["file1.js", "file2.js"],

+        "matches": ["http://*/*", "http://other.com/*"]

+      },

+      {

+        "js": ["file1.js", "file2.js"],

+        "matches": ["http://*/*", "http://other.com/*"]

+      },	

+    ],

+  },	

+  {

+    "name": "PlaceHolder Extension",

+    "description": "",

+    "version": "1.0.231",

+    "content_scripts": [],

+  }

+];

+

+/**

+ * Takes the |extensionsData| input argument which represents data about the 

+ * currently installed/running extensions and populates the html jstemplate with

+ * that data

+ * @param {Object} extensionsData Detailed info about installed extensions

+ */

+function showExtensionsData(extensionsData) {

+  // This is the javascript code that processes the template:

+  var input = new JsExprContext(extensionsData);

+  var output = document.getElementById('extensionTemplate');

+  jstProcess(input, output);

+}

+</script>

+<style type="text/css">

+h1 {

+  text-align: center;

+}

+.extension{

+  padding: 8px;

+}

+.scriptMatches {

+  padding: 4px;

+  font-size: 12px;

+}

+</style>

+</head>

+<body onload="showExtensionsData(testExtensionData);">

+  <h1>Installed Extensions</h1>

+  <div id="extensionTemplate">

+    <div class="extension" jsselect="$this">

+      <div jscontent="name">Extension Name</div>

+      <div jscontent="description">Extension Description</div>

+      <div>Version: <span jscontent="version">x.x.x.x</span></div>

+      <div class="scriptMatches" jsselect="content_scripts"> 

+        <div>

+          <span jsselect="js" 

+              jscontent="(($index > 0) ? ' ' : '') + $this">

+          </span>

+        </div>

+        <div>

+          <span jsselect="matches" 

+              jscontent="(($index > 0) ? ' ' : '') + $this">

+          </span>

+        </div>

+      </div>

+    </div>

+  </body>

+</html>
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