First cut of the about:conflicts page, listing all DLLs loaded in the Chrome process.

BUG=http://crbug.com/51105, http://crbug.com/57239
TEST=Unit tests included.

Review URL: http://codereview.chromium.org/4524002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@65366 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 213 insertions, 0 deletions

diff --git a/chrome/browser/dom_ui/conflicts_ui.cc b/chrome/browser/dom_ui/conflicts_ui.cc
new file mode 100644
index 0000000..a93257a
--- /dev/null
+++ b/chrome/browser/dom_ui/conflicts_ui.cc
@@ -0,0 +1,213 @@
+// Copyright (c) 2010 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/dom_ui/conflicts_ui.h"
+
+#if defined(OS_WIN)
+
+#include <string>
+
+#include "app/l10n_util.h"
+#include "app/resource_bundle.h"
+#include "base/string_number_conversions.h"
+#include "base/utf_string_conversions.h"
+#include "base/values.h"
+#include "chrome/browser/dom_ui/chrome_url_data_manager.h"
+#include "chrome/browser/enumerate_modules_model_win.h"
+#include "chrome/common/jstemplate_builder.h"
+#include "chrome/common/notification_observer.h"
+#include "chrome/common/notification_registrar.h"
+#include "chrome/common/notification_service.h"
+#include "chrome/common/url_constants.h"
+#include "grit/browser_resources.h"
+#include "grit/chromium_strings.h"
+#include "grit/generated_resources.h"
+#include "grit/theme_resources.h"
+
+namespace {
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// ConflictsUIHTMLSource
+//
+////////////////////////////////////////////////////////////////////////////////
+
+class ConflictsUIHTMLSource : public ChromeURLDataManager::DataSource {
+ public:
+  ConflictsUIHTMLSource()
+      : DataSource(chrome::kChromeUIConflictsHost, MessageLoop::current()) {}
+
+  // Called when the network layer has requested a resource underneath
+  // the path we registered.
+  virtual void StartDataRequest(const std::string& path,
+                                bool is_off_the_record,
+                                int request_id);
+
+  virtual std::string GetMimeType(const std::string&) const {
+    return "text/html";
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ConflictsUIHTMLSource);
+};
+
+void ConflictsUIHTMLSource::StartDataRequest(const std::string& path,
+                                             bool is_off_the_record,
+                                             int request_id) {
+  // Strings used in the JsTemplate file.
+  DictionaryValue localized_strings;
+  localized_strings.SetString("modulesLongTitle",
+      l10n_util::GetStringUTF16(IDS_CONFLICTS_CHECK_PAGE_TITLE_LONG));
+  localized_strings.SetString("modulesBlurb",
+      l10n_util::GetStringUTF16(IDS_CONFLICTS_EXPLANATION_TEXT));
+  localized_strings.SetString("moduleSuspectedBad",
+      l10n_util::GetStringUTF16(IDS_CONFLICTS_CHECK_WARNING_SUSPECTED));
+  localized_strings.SetString("moduleConfirmedBad",
+      l10n_util::GetStringUTF16(IDS_CONFLICTS_CHECK_WARNING_CONFIRMED));
+  localized_strings.SetString("helpCenterLink",
+      l10n_util::GetStringUTF16(IDS_CONFLICTS_HELP_CENTER_LINK));
+  localized_strings.SetString("investigatingText",
+      l10n_util::GetStringUTF16(IDS_CONFLICTS_CHECK_INVESTIGATING));
+  localized_strings.SetString("modulesNoneLoaded",
+      l10n_util::GetStringUTF16(IDS_CONFLICTS_NO_MODULES_LOADED));
+  localized_strings.SetString("headerSoftware",
+      l10n_util::GetStringUTF16(IDS_CONFLICTS_HEADER_SOFTWARE));
+  localized_strings.SetString("headerSignedBy",
+      l10n_util::GetStringUTF16(IDS_CONFLICTS_HEADER_SIGNED_BY));
+  localized_strings.SetString("headerLocation",
+      l10n_util::GetStringUTF16(IDS_CONFLICTS_HEADER_LOCATION));
+  localized_strings.SetString("headerWarning",
+      l10n_util::GetStringUTF16(IDS_CONFLICTS_HEADER_WARNING));
+  localized_strings.SetString("headerHelpTip",
+      l10n_util::GetStringUTF16(IDS_CONFLICTS_HEADER_HELP_TIP));
+
+  ChromeURLDataManager::DataSource::SetFontAndTextDirection(&localized_strings);
+
+  static const base::StringPiece flags_html(
+      ResourceBundle::GetSharedInstance().GetRawDataResource(
+          IDR_ABOUT_CONFLICTS_HTML));
+  std::string full_html(flags_html.data(), flags_html.size());
+  jstemplate_builder::AppendJsonHtml(&localized_strings, &full_html);
+  jstemplate_builder::AppendI18nTemplateSourceHtml(&full_html);
+  jstemplate_builder::AppendI18nTemplateProcessHtml(&full_html);
+  jstemplate_builder::AppendJsTemplateSourceHtml(&full_html);
+
+  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);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// ConflictsDOMHandler
+//
+////////////////////////////////////////////////////////////////////////////////
+
+// The handler for Javascript messages for the about:flags page.
+class ConflictsDOMHandler : public DOMMessageHandler,
+                            public NotificationObserver {
+ public:
+  ConflictsDOMHandler() {}
+  virtual ~ConflictsDOMHandler() {}
+
+  // DOMMessageHandler implementation.
+  virtual void RegisterMessages();
+
+  // Callback for the "requestModuleList" message.
+  void HandleRequestModuleList(const ListValue* args);
+
+ private:
+  void SendModuleList();
+
+  void Observe(NotificationType type,
+               const NotificationSource& source,
+               const NotificationDetails& details);
+
+  NotificationRegistrar registrar_;
+
+  DISALLOW_COPY_AND_ASSIGN(ConflictsDOMHandler);
+};
+
+void ConflictsDOMHandler::RegisterMessages() {
+  dom_ui_->RegisterMessageCallback("requestModuleList",
+      NewCallback(this, &ConflictsDOMHandler::HandleRequestModuleList));
+}
+
+void ConflictsDOMHandler::HandleRequestModuleList(const ListValue* args) {
+  // This request is handled asynchronously. See Observe for when we reply back.
+  registrar_.Add(this, NotificationType::MODULE_LIST_ENUMERATED,
+                 NotificationService::AllSources());
+  EnumerateModulesModel::GetSingleton()->ScanNow();
+}
+
+void ConflictsDOMHandler::SendModuleList() {
+  EnumerateModulesModel* loaded_modules = EnumerateModulesModel::GetSingleton();
+  ListValue* list = loaded_modules->GetModuleList();
+  DictionaryValue results;
+  results.Set("moduleList", list);
+
+  // Add the section title and the total count for bad modules found.
+  int confirmed_bad = loaded_modules->confirmed_bad_modules_detected();
+  int suspected_bad = loaded_modules->suspected_bad_modules_detected();
+  string16 table_title;
+  if (!confirmed_bad && !suspected_bad) {
+    table_title += l10n_util::GetStringFUTF16(
+        IDS_CONFLICTS_CHECK_PAGE_TABLE_TITLE_SUFFIX_ONE,
+            base::IntToString16(list->GetSize()));
+  } else {
+    table_title += l10n_util::GetStringFUTF16(
+        IDS_CONFLICTS_CHECK_PAGE_TABLE_TITLE_SUFFIX_TWO,
+            base::IntToString16(list->GetSize()),
+            base::IntToString16(confirmed_bad),
+            base::IntToString16(suspected_bad));
+  }
+  results.SetString("modulesTableTitle", table_title);
+
+  dom_ui_->CallJavascriptFunction(L"returnModuleList", results);
+}
+
+void ConflictsDOMHandler::Observe(NotificationType type,
+                                  const NotificationSource& source,
+                                  const NotificationDetails& details) {
+  switch (type.value) {
+    case NotificationType::MODULE_LIST_ENUMERATED:
+      SendModuleList();
+      registrar_.RemoveAll();
+      break;
+    default:
+      NOTREACHED();
+      break;
+  }
+}
+
+}  // namespace
+
+///////////////////////////////////////////////////////////////////////////////
+//
+// ConflictsUI
+//
+///////////////////////////////////////////////////////////////////////////////
+
+ConflictsUI::ConflictsUI(TabContents* contents) : DOMUI(contents) {
+  AddMessageHandler((new ConflictsDOMHandler())->Attach(this));
+
+  ConflictsUIHTMLSource* html_source = new ConflictsUIHTMLSource();
+
+  // Set up the about:conflicts source.
+  BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE,
+      NewRunnableMethod(Singleton<ChromeURLDataManager>::get(),
+          &ChromeURLDataManager::AddDataSource,
+          make_scoped_refptr(html_source)));
+}
+
+// static
+RefCountedMemory* ConflictsUI::GetFaviconResourceBytes() {
+  return ResourceBundle::GetSharedInstance().
+      LoadDataResourceBytes(IDR_CONFLICTS);
+}
+
+#endif