Fork chrome://history/ for development of a new UI, currently called

chrome://history2/.

BUG=2093
TEST=launch browser, navigate to chrome://history2/

Review URL: http://codereview.chromium.org/2852015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@50371 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 413 insertions, 0 deletions

diff --git a/chrome/browser/dom_ui/history2_ui.cc b/chrome/browser/dom_ui/history2_ui.cc
new file mode 100644
index 0000000..3fd433d
--- /dev/null
+++ b/chrome/browser/dom_ui/history2_ui.cc
@@ -0,0 +1,413 @@
+// 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/history2_ui.h"
+
+#include "app/l10n_util.h"
+#include "app/resource_bundle.h"
+#include "base/callback.h"
+#include "base/i18n/time_formatting.h"
+#include "base/message_loop.h"
+#include "base/singleton.h"
+#include "base/string_piece.h"
+#include "base/string_util.h"
+#include "base/thread.h"
+#include "base/time.h"
+#include "base/values.h"
+#include "chrome/browser/bookmarks/bookmark_model.h"
+#include "chrome/browser/browser.h"
+#include "chrome/browser/chrome_thread.h"
+#include "chrome/browser/dom_ui/dom_ui_favicon_source.h"
+#include "chrome/browser/metrics/user_metrics.h"
+#include "chrome/browser/history/history_types.h"
+#include "chrome/browser/profile.h"
+#include "chrome/browser/tab_contents/tab_contents.h"
+#include "chrome/browser/tab_contents/tab_contents_delegate.h"
+#include "chrome/common/jstemplate_builder.h"
+#include "chrome/common/notification_service.h"
+#include "chrome/common/time_format.h"
+#include "chrome/common/url_constants.h"
+#include "net/base/escape.h"
+
+#include "grit/browser_resources.h"
+#include "grit/chromium_strings.h"
+#include "grit/generated_resources.h"
+#include "grit/locale_settings.h"
+#include "grit/theme_resources.h"
+
+// Maximum number of search results to return in a given search. We should
+// eventually remove this.
+static const int kMaxSearchResults = 100;
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// HistoryHTMLSource
+//
+////////////////////////////////////////////////////////////////////////////////
+
+HistoryUIHTMLSource2::HistoryUIHTMLSource2()
+    : DataSource(chrome::kChromeUIHistory2Host, MessageLoop::current()) {
+}
+
+void HistoryUIHTMLSource2::StartDataRequest(const std::string& path,
+                                           bool is_off_the_record,
+                                           int request_id) {
+  DictionaryValue localized_strings;
+  localized_strings.SetString(L"loading",
+      l10n_util::GetString(IDS_HISTORY_LOADING));
+  localized_strings.SetString(L"title",
+      l10n_util::GetString(IDS_HISTORY_TITLE));
+  localized_strings.SetString(L"loading",
+      l10n_util::GetString(IDS_HISTORY_LOADING));
+  localized_strings.SetString(L"newest",
+      l10n_util::GetString(IDS_HISTORY_NEWEST));
+  localized_strings.SetString(L"newer",
+      l10n_util::GetString(IDS_HISTORY_NEWER));
+  localized_strings.SetString(L"older",
+      l10n_util::GetString(IDS_HISTORY_OLDER));
+  localized_strings.SetString(L"searchresultsfor",
+      l10n_util::GetString(IDS_HISTORY_SEARCHRESULTSFOR));
+  localized_strings.SetString(L"history",
+      l10n_util::GetString(IDS_HISTORY_BROWSERESULTS));
+  localized_strings.SetString(L"cont",
+      l10n_util::GetString(IDS_HISTORY_CONTINUED));
+  localized_strings.SetString(L"searchbutton",
+      l10n_util::GetString(IDS_HISTORY_SEARCH_BUTTON));
+  localized_strings.SetString(L"noresults",
+      l10n_util::GetString(IDS_HISTORY_NO_RESULTS));
+  localized_strings.SetString(L"noitems",
+      l10n_util::GetString(IDS_HISTORY_NO_ITEMS));
+  localized_strings.SetString(L"edithistory",
+      l10n_util::GetString(IDS_HISTORY_START_EDITING_HISTORY));
+  localized_strings.SetString(L"doneediting",
+      l10n_util::GetString(IDS_HISTORY_STOP_EDITING_HISTORY));
+  localized_strings.SetString(L"removeselected",
+      l10n_util::GetString(IDS_HISTORY_REMOVE_SELECTED_ITEMS));
+  localized_strings.SetString(L"clearallhistory",
+      l10n_util::GetString(IDS_HISTORY_OPEN_CLEAR_BROWSING_DATA_DIALOG));
+  localized_strings.SetString(L"deletewarning",
+      l10n_util::GetString(IDS_HISTORY_DELETE_PRIOR_VISITS_WARNING));
+
+  SetFontAndTextDirection(&localized_strings);
+
+  static const base::StringPiece history_html(
+      ResourceBundle::GetSharedInstance().GetRawDataResource(
+          IDR_HISTORY2_HTML));
+  const std::string full_html = jstemplate_builder::GetI18nTemplateHtml(
+      history_html, &localized_strings);
+
+  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);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// HistoryHandler
+//
+////////////////////////////////////////////////////////////////////////////////
+BrowsingHistoryHandler2::BrowsingHistoryHandler2()
+    : search_text_() {
+}
+
+BrowsingHistoryHandler2::~BrowsingHistoryHandler2() {
+  cancelable_search_consumer_.CancelAllRequests();
+  cancelable_delete_consumer_.CancelAllRequests();
+}
+
+DOMMessageHandler* BrowsingHistoryHandler2::Attach(DOMUI* dom_ui) {
+  // Create our favicon data source.
+  ChromeThread::PostTask(
+      ChromeThread::IO, FROM_HERE,
+      NewRunnableMethod(
+          Singleton<ChromeURLDataManager>::get(),
+          &ChromeURLDataManager::AddDataSource,
+          make_scoped_refptr(new DOMUIFavIconSource(dom_ui->GetProfile()))));
+
+  // Get notifications when history is cleared.
+  registrar_.Add(this, NotificationType::HISTORY_URLS_DELETED,
+      Source<Profile>(dom_ui->GetProfile()->GetOriginalProfile()));
+  return DOMMessageHandler::Attach(dom_ui);
+}
+
+void BrowsingHistoryHandler2::RegisterMessages() {
+  dom_ui_->RegisterMessageCallback("getHistory",
+      NewCallback(this, &BrowsingHistoryHandler2::HandleGetHistory));
+  dom_ui_->RegisterMessageCallback("searchHistory",
+      NewCallback(this, &BrowsingHistoryHandler2::HandleSearchHistory));
+  dom_ui_->RegisterMessageCallback("removeURLsOnOneDay",
+      NewCallback(this, &BrowsingHistoryHandler2::HandleRemoveURLsOnOneDay));
+  dom_ui_->RegisterMessageCallback("clearBrowsingData",
+      NewCallback(this, &BrowsingHistoryHandler2::HandleClearBrowsingData));
+}
+
+void BrowsingHistoryHandler2::HandleGetHistory(const Value* value) {
+  // Anything in-flight is invalid.
+  cancelable_search_consumer_.CancelAllRequests();
+
+  // Get arguments (if any).
+  int day = 0;
+  ExtractIntegerValue(value, &day);
+
+  // Set our query options.
+  history::QueryOptions options;
+  options.begin_time = base::Time::Now().LocalMidnight();
+  options.begin_time -= base::TimeDelta::FromDays(day);
+  options.end_time = base::Time::Now().LocalMidnight();
+  options.end_time -= base::TimeDelta::FromDays(day - 1);
+
+  // Need to remember the query string for our results.
+  search_text_ = std::wstring();
+
+  HistoryService* hs =
+      dom_ui_->GetProfile()->GetHistoryService(Profile::EXPLICIT_ACCESS);
+  hs->QueryHistory(search_text_,
+      options,
+      &cancelable_search_consumer_,
+      NewCallback(this, &BrowsingHistoryHandler2::QueryComplete));
+}
+
+void BrowsingHistoryHandler2::HandleSearchHistory(const Value* value) {
+  // Anything in-flight is invalid.
+  cancelable_search_consumer_.CancelAllRequests();
+
+  // Get arguments (if any).
+  int month = 0;
+  std::wstring query;
+  ExtractSearchHistoryArguments(value, &month, &query);
+
+  // Set the query ranges for the given month.
+  history::QueryOptions options = CreateMonthQueryOptions(month);
+
+  // When searching, limit the number of results returned.
+  options.max_count = kMaxSearchResults;
+
+  // Need to remember the query string for our results.
+  search_text_ = query;
+  HistoryService* hs =
+      dom_ui_->GetProfile()->GetHistoryService(Profile::EXPLICIT_ACCESS);
+  hs->QueryHistory(search_text_,
+      options,
+      &cancelable_search_consumer_,
+      NewCallback(this, &BrowsingHistoryHandler2::QueryComplete));
+}
+
+void BrowsingHistoryHandler2::HandleRemoveURLsOnOneDay(const Value* value) {
+  if (cancelable_delete_consumer_.HasPendingRequests()) {
+    dom_ui_->CallJavascriptFunction(L"deleteFailed");
+    return;
+  }
+
+  DCHECK(value && value->GetType() == Value::TYPE_LIST);
+
+  // Get day to delete data from.
+  int visit_time = 0;
+  ExtractIntegerValue(value, &visit_time);
+  base::Time::Exploded exploded;
+  base::Time::FromTimeT(
+      static_cast<time_t>(visit_time)).LocalExplode(&exploded);
+  exploded.hour = exploded.minute = exploded.second = exploded.millisecond = 0;
+  base::Time begin_time = base::Time::FromLocalExploded(exploded);
+  base::Time end_time = begin_time + base::TimeDelta::FromDays(1);
+
+  // Get URLs.
+  std::set<GURL> urls;
+  const ListValue* list_value = static_cast<const ListValue*>(value);
+  for (ListValue::const_iterator v = list_value->begin() + 1;
+       v != list_value->end(); ++v) {
+    if ((*v)->GetType() != Value::TYPE_STRING)
+      continue;
+    const StringValue* string_value = static_cast<const StringValue*>(*v);
+    string16 string16_value;
+    if (!string_value->GetAsUTF16(&string16_value))
+      continue;
+    urls.insert(GURL(string16_value));
+  }
+
+  HistoryService* hs =
+      dom_ui_->GetProfile()->GetHistoryService(Profile::EXPLICIT_ACCESS);
+  hs->ExpireHistoryBetween(
+      urls, begin_time, end_time, &cancelable_delete_consumer_,
+      NewCallback(this, &BrowsingHistoryHandler2::RemoveComplete));
+}
+
+void BrowsingHistoryHandler2::HandleClearBrowsingData(const Value* value) {
+  dom_ui_->tab_contents()->delegate()->GetBrowser()->
+      OpenClearBrowsingDataDialog();
+}
+
+void BrowsingHistoryHandler2::QueryComplete(
+    HistoryService::Handle request_handle,
+    history::QueryResults* results) {
+
+  ListValue results_value;
+  base::Time midnight_today = base::Time::Now().LocalMidnight();
+
+  for (size_t i = 0; i < results->size(); ++i) {
+    history::URLResult const &page = (*results)[i];
+    DictionaryValue* page_value = new DictionaryValue();
+    SetURLAndTitle(page_value, page.title(), page.url());
+
+    // Need to pass the time in epoch time (fastest JS conversion).
+    page_value->SetInteger(L"time",
+        static_cast<int>(page.visit_time().ToTimeT()));
+
+    // Until we get some JS i18n infrastructure, we also need to
+    // pass the dates in as strings. This could use some
+    // optimization.
+
+    // Only pass in the strings we need (search results need a shortdate
+    // and snippet, browse results need day and time information).
+    if (search_text_.empty()) {
+      // Figure out the relative date string.
+      std::wstring date_str = TimeFormat::RelativeDate(page.visit_time(),
+                                                       &midnight_today);
+      if (date_str.empty()) {
+        date_str = base::TimeFormatFriendlyDate(page.visit_time());
+      } else {
+        date_str = l10n_util::GetStringF(
+            IDS_HISTORY_DATE_WITH_RELATIVE_TIME,
+            date_str, base::TimeFormatFriendlyDate(page.visit_time()));
+      }
+      page_value->SetString(L"dateRelativeDay", date_str);
+      page_value->SetString(L"dateTimeOfDay",
+          base::TimeFormatTimeOfDay(page.visit_time()));
+    } else {
+      page_value->SetString(L"dateShort",
+          base::TimeFormatShortDate(page.visit_time()));
+      page_value->SetString(L"snippet", page.snippet().text());
+    }
+    page_value->SetBoolean(L"starred",
+        dom_ui_->GetProfile()->GetBookmarkModel()->IsBookmarked(page.url()));
+    results_value.Append(page_value);
+  }
+
+  DictionaryValue info_value;
+  info_value.SetString(L"term", search_text_);
+  info_value.SetBoolean(L"finished", results->reached_beginning());
+
+  dom_ui_->CallJavascriptFunction(L"historyResult", info_value, results_value);
+}
+
+void BrowsingHistoryHandler2::RemoveComplete() {
+  // Some Visits were deleted from history. Reload the list.
+  dom_ui_->CallJavascriptFunction(L"deleteComplete");
+}
+
+void BrowsingHistoryHandler2::ExtractSearchHistoryArguments(const Value* value,
+    int* month, std::wstring* query) {
+  *month = 0;
+
+  if (value && value->GetType() == Value::TYPE_LIST) {
+    const ListValue* list_value = static_cast<const ListValue*>(value);
+    Value* list_member;
+
+    // Get search string.
+    if (list_value->Get(0, &list_member) &&
+        list_member->GetType() == Value::TYPE_STRING) {
+      const StringValue* string_value =
+        static_cast<const StringValue*>(list_member);
+      string_value->GetAsString(query);
+    }
+
+    // Get search month.
+    if (list_value->Get(1, &list_member) &&
+        list_member->GetType() == Value::TYPE_STRING) {
+      const StringValue* string_value =
+        static_cast<const StringValue*>(list_member);
+      string16 string16_value;
+      string_value->GetAsUTF16(&string16_value);
+      *month = StringToInt(string16_value);
+    }
+  }
+}
+
+history::QueryOptions BrowsingHistoryHandler2::CreateMonthQueryOptions(
+    int month) {
+  history::QueryOptions options;
+
+  // Configure the begin point of the search to the start of the
+  // current month.
+  base::Time::Exploded exploded;
+  base::Time::Now().LocalMidnight().LocalExplode(&exploded);
+  exploded.day_of_month = 1;
+
+  if (month == 0) {
+    options.begin_time = base::Time::FromLocalExploded(exploded);
+
+    // Set the end time of this first search to null (which will
+    // show results from the future, should the user's clock have
+    // been set incorrectly).
+    options.end_time = base::Time();
+  } else {
+    // Set the end-time of this search to the end of the month that is
+    // |depth| months before the search end point. The end time is not
+    // inclusive, so we should feel free to set it to midnight on the
+    // first day of the following month.
+    exploded.month -= month - 1;
+    while (exploded.month < 1) {
+      exploded.month += 12;
+      exploded.year--;
+    }
+    options.end_time = base::Time::FromLocalExploded(exploded);
+
+    // Set the begin-time of the search to the start of the month
+    // that is |depth| months prior to search_start_.
+    if (exploded.month > 1) {
+      exploded.month--;
+    } else {
+      exploded.month = 12;
+      exploded.year--;
+    }
+    options.begin_time = base::Time::FromLocalExploded(exploded);
+  }
+
+  return options;
+}
+
+void BrowsingHistoryHandler2::Observe(NotificationType type,
+                                     const NotificationSource& source,
+                                     const NotificationDetails& details) {
+  if (type != NotificationType::HISTORY_URLS_DELETED) {
+    NOTREACHED();
+    return;
+  }
+
+  // Some URLs were deleted from history. Reload the list.
+  dom_ui_->CallJavascriptFunction(L"historyDeleted");
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// HistoryUIContents
+//
+////////////////////////////////////////////////////////////////////////////////
+
+HistoryUI2::HistoryUI2(TabContents* contents) : DOMUI(contents) {
+  AddMessageHandler((new BrowsingHistoryHandler2())->Attach(this));
+
+  HistoryUIHTMLSource2* html_source = new HistoryUIHTMLSource2();
+
+  // Set up the chrome://history2/ source.
+  ChromeThread::PostTask(
+      ChromeThread::IO, FROM_HERE,
+      NewRunnableMethod(
+          Singleton<ChromeURLDataManager>::get(),
+          &ChromeURLDataManager::AddDataSource,
+          make_scoped_refptr(html_source)));
+}
+
+// static
+const GURL HistoryUI2::GetHistoryURLWithSearchText(const std::wstring& text) {
+  return GURL(std::string(chrome::kChromeUIHistory2URL) + "#q=" +
+              EscapeQueryParamValue(WideToUTF8(text), true));
+}
+
+// static
+RefCountedMemory* HistoryUI2::GetFaviconResourceBytes() {
+  return ResourceBundle::GetSharedInstance().
+      LoadDataResourceBytes(IDR_HISTORY_FAVICON);
+}