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, 1 insertions, 290 deletions

diff --git a/chrome/browser/views/options/general_page_view.cc b/chrome/browser/views/options/general_page_view.cc
index d1db4ed..b287d81 100644
--- a/chrome/browser/views/options/general_page_view.cc
+++ b/chrome/browser/views/options/general_page_view.cc
@@ -6,15 +6,13 @@
 
 #include "app/combobox_model.h"
 #include "app/l10n_util.h"
-#include "app/resource_bundle.h"
 #include "base/callback.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_list.h"
+#include "chrome/browser/custom_home_pages_table_model.h"
 #include "chrome/browser/dom_ui/new_tab_ui.h"
-#include "chrome/browser/favicon_service.h"
-#include "chrome/browser/history/history.h"
 #include "chrome/browser/net/url_fixer_upper.h"
 #include "chrome/browser/pref_service.h"
 #include "chrome/browser/profile.h"
@@ -28,12 +26,8 @@
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/installer/util/browser_distribution.h"
-#include "gfx/codec/png_codec.h"
-#include "grit/app_resources.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
-#include "net/base/net_util.h"
-#include "third_party/skia/include/core/SkBitmap.h"
 #include "views/controls/button/radio_button.h"
 #include "views/controls/label.h"
 #include "views/controls/table/table_view.h"
@@ -54,289 +48,6 @@ std::wstring GetNewTabUIURLString() {
 }
 
 ///////////////////////////////////////////////////////////////////////////////
-// CustomHomePagesTableModel
-
-// 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);
-};
-
-// static
-SkBitmap CustomHomePagesTableModel::default_favicon_;
-
-CustomHomePagesTableModel::CustomHomePagesTableModel(Profile* profile)
-    : profile_(profile),
-      observer_(NULL) {
-  InitClass();
-}
-
-void CustomHomePagesTableModel::SetURLs(const std::vector<GURL>& urls) {
-  entries_.resize(urls.size());
-  for (size_t i = 0; i < urls.size(); ++i) {
-    entries_[i].url = urls[i];
-    LoadTitleAndFavIcon(&(entries_[i]));
-  }
-  // Complete change, so tell the view to just rebuild itself.
-  if (observer_)
-    observer_->OnModelChanged();
-}
-
-void CustomHomePagesTableModel::Add(int index, const GURL& url) {
-  DCHECK(index >= 0 && index <= RowCount());
-  entries_.insert(entries_.begin() + static_cast<size_t>(index), Entry());
-  entries_[index].url = url;
-  if (observer_)
-    observer_->OnItemsAdded(index, 1);
-}
-
-void CustomHomePagesTableModel::Remove(int index) {
-  DCHECK(index >= 0 && index < RowCount());
-  Entry* entry = &(entries_[index]);
-  // Cancel any pending load requests now so we don't deref a bogus pointer when
-  // we get the loaded notification.
-  if (entry->title_handle) {
-    HistoryService* history_service =
-        profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
-    if (history_service)
-      history_service->CancelRequest(entry->title_handle);
-  }
-  if (entry->fav_icon_handle) {
-    FaviconService* favicon_service =
-        profile_->GetFaviconService(Profile::EXPLICIT_ACCESS);
-    if (favicon_service)
-      favicon_service->CancelRequest(entry->fav_icon_handle);
-  }
-  entries_.erase(entries_.begin() + static_cast<size_t>(index));
-  if (observer_)
-    observer_->OnItemsRemoved(index, 1);
-}
-
-std::vector<GURL> CustomHomePagesTableModel::GetURLs() {
-  std::vector<GURL> urls(entries_.size());
-  for (size_t i = 0; i < entries_.size(); ++i)
-    urls[i] = entries_[i].url;
-  return urls;
-}
-
-int CustomHomePagesTableModel::RowCount() {
-  return static_cast<int>(entries_.size());
-}
-
-std::wstring CustomHomePagesTableModel::GetText(int row, int column_id) {
-  DCHECK(column_id == 0);
-  DCHECK(row >= 0 && row < RowCount());
-  return entries_[row].title.empty() ? FormattedURL(row) : entries_[row].title;
-}
-
-SkBitmap CustomHomePagesTableModel::GetIcon(int row) {
-  DCHECK(row >= 0 && row < RowCount());
-  return entries_[row].icon.isNull() ? default_favicon_ : entries_[row].icon;
-}
-
-std::wstring CustomHomePagesTableModel::GetTooltip(int row) {
-  return entries_[row].title.empty() ? std::wstring() :
-      l10n_util::GetStringF(IDS_OPTIONS_STARTUP_PAGE_TOOLTIP,
-                            entries_[row].title, FormattedURL(row));
-}
-
-void CustomHomePagesTableModel::SetObserver(TableModelObserver* observer) {
-  observer_ = observer;
-}
-
-void CustomHomePagesTableModel::InitClass() {
-  static bool initialized = false;
-  if (!initialized) {
-    ResourceBundle& rb = ResourceBundle::GetSharedInstance();
-    default_favicon_ = *rb.GetBitmapNamed(IDR_DEFAULT_FAVICON);
-    initialized = true;
-  }
-}
-
-void CustomHomePagesTableModel::LoadTitleAndFavIcon(Entry* entry) {
-  HistoryService* history_service =
-      profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
-  if (history_service) {
-    entry->title_handle = history_service->QueryURL(entry->url, false,
-        &query_consumer_,
-        NewCallback(this, &CustomHomePagesTableModel::OnGotTitle));
-  }
-  FaviconService* favicon_service =
-      profile_->GetFaviconService(Profile::EXPLICIT_ACCESS);
-  if (favicon_service) {
-    entry->fav_icon_handle = favicon_service->GetFaviconForURL(entry->url,
-        &query_consumer_,
-        NewCallback(this, &CustomHomePagesTableModel::OnGotFavIcon));
-  }
-}
-
-void CustomHomePagesTableModel::OnGotTitle(HistoryService::Handle handle,
-                                           bool found_url,
-                                           const history::URLRow* row,
-                                           history::VisitVector* visits) {
-  int entry_index;
-  Entry* entry =
-      GetEntryByLoadHandle(&Entry::title_handle, handle, &entry_index);
-  if (!entry) {
-    // The URLs changed before we were called back.
-    return;
-  }
-  entry->title_handle = 0;
-  if (found_url && !row->title().empty()) {
-    entry->title = row->title();
-    if (observer_)
-      observer_->OnItemsChanged(static_cast<int>(entry_index), 1);
-  }
-}
-
-void CustomHomePagesTableModel::OnGotFavIcon(
-    FaviconService::Handle handle,
-    bool know_fav_icon,
-    scoped_refptr<RefCountedMemory> image_data,
-    bool is_expired,
-    GURL icon_url) {
-  int entry_index;
-  Entry* entry =
-      GetEntryByLoadHandle(&Entry::fav_icon_handle, handle, &entry_index);
-  if (!entry) {
-    // The URLs changed before we were called back.
-    return;
-  }
-  entry->fav_icon_handle = 0;
-  if (know_fav_icon && image_data.get() && image_data->size()) {
-    int width, height;
-    std::vector<unsigned char> decoded_data;
-    if (gfx::PNGCodec::Decode(image_data->front(),
-                              image_data->size(),
-                              gfx::PNGCodec::FORMAT_BGRA, &decoded_data,
-                              &width, &height)) {
-      entry->icon.setConfig(SkBitmap::kARGB_8888_Config, width, height);
-      entry->icon.allocPixels();
-      memcpy(entry->icon.getPixels(), &decoded_data.front(),
-             width * height * 4);
-      if (observer_)
-        observer_->OnItemsChanged(static_cast<int>(entry_index), 1);
-    }
-  }
-}
-
-CustomHomePagesTableModel::Entry*
-    CustomHomePagesTableModel::GetEntryByLoadHandle(
-    CancelableRequestProvider::Handle Entry::* member,
-    CancelableRequestProvider::Handle handle,
-    int* index) {
-  for (size_t i = 0; i < entries_.size(); ++i) {
-    if (entries_[i].*member == handle) {
-      *index = static_cast<int>(i);
-      return &entries_[i];
-    }
-  }
-  return NULL;
-}
-
-std::wstring CustomHomePagesTableModel::FormattedURL(int row) const {
-  std::wstring languages =
-      profile_->GetPrefs()->GetString(prefs::kAcceptLanguages);
-  std::wstring url(net::FormatUrl(entries_[row].url, languages));
-  base::i18n::GetDisplayStringInLTRDirectionality(&url);
-  return url;
-}
-
-///////////////////////////////////////////////////////////////////////////////
 // SearchEngineListModel
 
 class SearchEngineListModel : public ComboboxModel,