Implement History as HTML and add/change a bunch of stuff to make it easier t...

chrome/browser/dom_ui/history_ui.h

+// Copyright (c) 2006-2008 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_DOM_UI_HISTORY_UI_H__
+#define CHROME_BROWSER_DOM_UI_HISTORY_UI_H__
+
+#include "chrome/browser/dom_ui/chrome_url_data_manager.h"
+#include "chrome/browser/dom_ui/dom_ui.h"
+#include "chrome/browser/dom_ui/dom_ui_contents.h"
+
+class GURL;
+
+class HistoryUIHTMLSource : public ChromeURLDataManager::DataSource {
+ public:
+  HistoryUIHTMLSource();
+
+  // 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(HistoryUIHTMLSource);
+};
+
+// The handler for Javascript messages related to the "history" view.
+class BrowsingHistoryHandler : public DOMMessageHandler,
+                               public NotificationObserver {
+ public:
+  explicit BrowsingHistoryHandler(DOMUI* dom_ui_);
+  virtual ~BrowsingHistoryHandler();
+
+  // Callback for the "getHistory" message.
+  void HandleGetHistory(const Value* value);
+
+  // NotificationObserver implementation.
+  virtual void Observe(NotificationType type,
+                       const NotificationSource& source,
+                       const NotificationDetails& details);
+
+ private:
+  // Callback from the history system when the most visited list is available.
+  void QueryComplete(HistoryService::Handle request_handle,
+                     history::QueryResults* results);
+
+  // Extract the arguments from the call to HandleGetHistory.
+  void ExtractGetHistoryArguments(const Value* value, 
+                                  int* month, 
+                                  std::wstring* query);
+
+  // Get the query options for a given month and query.
+  history::QueryOptions CreateQueryOptions(int month, 
+                                           const std::wstring& query);
+
+  // Current search text.
+  std::wstring search_text_;
+
+  // Our consumer for the history service.
+  CancelableRequestConsumerT<PageUsageData*, NULL> cancelable_consumer_;
+
+  DISALLOW_COPY_AND_ASSIGN(BrowsingHistoryHandler);
+};
+
+class HistoryUI : public DOMUI {
+ public:
+  explicit HistoryUI(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(HistoryUI);
+};
+
+#endif  // CHROME_BROWSER_DOM_UI_HISTORY_UI_H__