Split CustomHomePagesTableModel into its own file so it can be shared with the Gtk UI.

BUG=43802
TEST=manual

Review URL: http://codereview.chromium.org/2061003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@46993 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 120 insertions, 0 deletions

diff --git a/chrome/browser/custom_home_pages_table_model.h b/chrome/browser/custom_home_pages_table_model.h
new file mode 100644
index 0000000..dd2e1aa
--- /dev/null
+++ b/chrome/browser/custom_home_pages_table_model.h
@@ -0,0 +1,120 @@
+// 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.
+
+#ifndef CHROME_BROWSER_CUSTOM_HOME_PAGES_TABLE_MODEL_H_
+#define CHROME_BROWSER_CUSTOM_HOME_PAGES_TABLE_MODEL_H_
+
+#include <string>
+#include <vector>
+
+#include "app/table_model.h"
+#include "chrome/browser/history/history.h"
+#include "chrome/browser/favicon_service.h"
+#include "googleurl/src/gurl.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+
+class Profile;
+class TableModelObserver;
+
+// CustomHomePagesTableModel is the model for the TableView showing the list
+// of pages the user wants opened on startup.
+
+class CustomHomePagesTableModel : public TableModel {
+ public:
+  explicit CustomHomePagesTableModel(Profile* profile);
+  virtual ~CustomHomePagesTableModel() {}
+
+  // Sets the set of urls that this model contains.
+  void SetURLs(const std::vector<GURL>& urls);
+
+  // Adds an entry at the specified index.
+  void Add(int index, const GURL& url);
+
+  // Removes the entry at the specified index.
+  void Remove(int index);
+
+  // Returns the set of urls this model contains.
+  std::vector<GURL> GetURLs();
+
+  // TableModel overrides:
+  virtual int RowCount();
+  virtual std::wstring GetText(int row, int column_id);
+  virtual SkBitmap GetIcon(int row);
+  virtual std::wstring GetTooltip(int row);
+  virtual void SetObserver(TableModelObserver* observer);
+
+ private:
+  // Each item in the model is represented as an Entry. Entry stores the URL,
+  // title, and favicon of the page.
+  struct Entry {
+    Entry() : title_handle(0), fav_icon_handle(0) {}
+
+    // URL of the page.
+    GURL url;
+
+    // Page title.  If this is empty, we'll display the URL as the entry.
+    std::wstring title;
+
+    // Icon for the page.
+    SkBitmap icon;
+
+    // If non-zero, indicates we're loading the title for the page.
+    HistoryService::Handle title_handle;
+
+    // If non-zero, indicates we're loading the favicon for the page.
+    FaviconService::Handle fav_icon_handle;
+  };
+
+  static void InitClass();
+
+  // Loads the title and favicon for the specified entry.
+  void LoadTitleAndFavIcon(Entry* entry);
+
+  // Callback from history service. Updates the title of the Entry whose
+  // |title_handle| matches |handle| and notifies the observer of the change.
+  void OnGotTitle(HistoryService::Handle handle,
+                  bool found_url,
+                  const history::URLRow* row,
+                  history::VisitVector* visits);
+
+  // Callback from history service. Updates the icon of the Entry whose
+  // |fav_icon_handle| matches |handle| and notifies the observer of the change.
+  void OnGotFavIcon(FaviconService::Handle handle,
+                    bool know_fav_icon,
+                    scoped_refptr<RefCountedMemory> image_data,
+                    bool is_expired,
+                    GURL icon_url);
+
+  // Returns the entry whose |member| matches |handle| and sets |entry_index| to
+  // the index of the entry.
+  Entry* GetEntryByLoadHandle(CancelableRequestProvider::Handle Entry::* member,
+                              CancelableRequestProvider::Handle handle,
+                              int* entry_index);
+
+  // Returns the entry whose |fav_icon_handle| matches |handle| and sets
+  // |entry_index| to the index of the entry.
+  Entry* GetEntryByFavIconHandle(FaviconService::Handle handle,
+                                 int* entry_index);
+
+  // Returns the URL for a particular row, formatted for display to the user.
+  std::wstring FormattedURL(int row) const;
+
+  // Set of entries we're showing.
+  std::vector<Entry> entries_;
+
+  // Default icon to show when one can't be found for the URL.
+  static SkBitmap default_favicon_;
+
+  // Profile used to load titles and icons.
+  Profile* profile_;
+
+  TableModelObserver* observer_;
+
+  // Used in loading titles and favicons.
+  CancelableRequestConsumer query_consumer_;
+
+  DISALLOW_COPY_AND_ASSIGN(CustomHomePagesTableModel);
+};
+
+#endif  // CHROME_BROWSER_CUSTOM_HOME_PAGES_TABLE_MODEL_H_