Implement OS X Encoding Menu.

Also refactor Windows Encoding menu a bit to make the moving parts x-platform.
Add a unit test for the menu encoding logic.

In a followup CL I'll add some UI tests around this.

Review URL: http://codereview.chromium.org/113315

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@16061 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 144 insertions, 0 deletions

diff --git a/chrome/browser/encoding_menu_controller.cc b/chrome/browser/encoding_menu_controller.cc
new file mode 100644
index 0000000..ca8c964
--- /dev/null
+++ b/chrome/browser/encoding_menu_controller.cc
@@ -0,0 +1,144 @@
+// Copyright (c) 2009 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/encoding_menu_controller.h"
+
+#include "app/l10n_util.h"
+#include "chrome/app/chrome_dll_resource.h"
+#include "chrome/browser/browser.h"
+#include "chrome/browser/character_encoding.h"
+#include "chrome/browser/profile.h"
+#include "chrome/common/pref_names.h"
+#include "chrome/common/pref_service.h"
+#include "grit/generated_resources.h"
+
+const int EncodingMenuController::kValidEncodingIds[] = {
+    IDC_ENCODING_UTF8,
+    IDC_ENCODING_UTF16LE,
+    IDC_ENCODING_ISO88591,
+    IDC_ENCODING_WINDOWS1252,
+    IDC_ENCODING_GBK,
+    IDC_ENCODING_GB18030,
+    IDC_ENCODING_BIG5,
+    IDC_ENCODING_BIG5HKSCS,
+    IDC_ENCODING_KOREAN,
+    IDC_ENCODING_SHIFTJIS,
+    IDC_ENCODING_ISO2022JP,
+    IDC_ENCODING_EUCJP,
+    IDC_ENCODING_THAI,
+    IDC_ENCODING_ISO885915,
+    IDC_ENCODING_MACINTOSH,
+    IDC_ENCODING_ISO88592,
+    IDC_ENCODING_WINDOWS1250,
+    IDC_ENCODING_ISO88595,
+    IDC_ENCODING_WINDOWS1251,
+    IDC_ENCODING_KOI8R,
+    IDC_ENCODING_KOI8U,
+    IDC_ENCODING_ISO88597,
+    IDC_ENCODING_WINDOWS1253,
+    IDC_ENCODING_ISO88594,
+    IDC_ENCODING_ISO885913,
+    IDC_ENCODING_WINDOWS1257,
+    IDC_ENCODING_ISO88593,
+    IDC_ENCODING_ISO885910,
+    IDC_ENCODING_ISO885914,
+    IDC_ENCODING_ISO885916,
+    IDC_ENCODING_WINDOWS1254,
+    IDC_ENCODING_ISO88596,
+    IDC_ENCODING_WINDOWS1256,
+    IDC_ENCODING_ISO88598,
+    IDC_ENCODING_WINDOWS1255,
+    IDC_ENCODING_WINDOWS1258,
+    IDC_ENCODING_ISO88598I,
+};
+
+bool EncodingMenuController::DoesCommandBelongToEncodingMenu(int id) {
+  if (id == IDC_ENCODING_AUTO_DETECT) {
+    return true;
+  }
+
+  for (size_t i = 0; i < arraysize(kValidEncodingIds); ++i) {
+    if (id == kValidEncodingIds[i]) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+const int* EncodingMenuController::ValidGUIEncodingIDs() {
+  return kValidEncodingIds;
+}
+
+int EncodingMenuController::NumValidGUIEncodingIDs() {
+  return arraysize(kValidEncodingIds);
+}
+
+bool EncodingMenuController::IsItemChecked(
+    Profile* browser_profile,
+    const std::wstring& current_tab_encoding,
+    int item_id) {
+  if (!DoesCommandBelongToEncodingMenu(item_id)) {
+    return false;
+  }
+
+  std::wstring encoding = current_tab_encoding;
+  if (encoding.empty()) {
+    encoding = browser_profile->GetPrefs()->GetString(prefs::kDefaultCharset);
+  }
+
+  if (item_id == IDC_ENCODING_AUTO_DETECT) {
+    return browser_profile->GetPrefs()->GetBoolean(
+        prefs::kWebKitUsesUniversalDetector);
+  }
+
+  if (!encoding.empty()) {
+    return encoding ==
+        CharacterEncoding::GetCanonicalEncodingNameByCommandId(item_id);
+  }
+
+  return false;
+}
+
+void EncodingMenuController::GetEncodingMenuItems(Profile* profile,
+    EncodingMenuItemList* menuItems) {
+
+  DCHECK(menuItems);
+  EncodingMenuItem separator(0, L"");
+
+  menuItems->clear();
+  menuItems->push_back(
+      EncodingMenuItem(IDC_ENCODING_AUTO_DETECT,
+                       l10n_util::GetString(IDS_ENCODING_AUTO_DETECT)));
+  menuItems->push_back(separator);
+
+  // Create current display encoding list.
+  const std::vector<CharacterEncoding::EncodingInfo>* encodings;
+
+  // Build the list of encoding ids : It is made of the
+  // locale-dependent short list, the cache of recently selected
+  // encodings and other encodings.
+  encodings = CharacterEncoding::GetCurrentDisplayEncodings(
+      g_browser_process->GetApplicationLocale(),
+      profile->GetPrefs()->GetString(prefs::kStaticEncodings),
+      profile->GetPrefs()->GetString(prefs::kRecentlySelectedEncoding));
+  DCHECK(encodings);
+  DCHECK(!encodings->empty());
+
+  // Build up output list for menu.
+  std::vector<CharacterEncoding::EncodingInfo>::const_iterator it;
+  for (it = encodings->begin(); it != encodings->end(); ++it) {
+    if (it->encoding_id) {
+      std::wstring encoding = it->encoding_display_name;
+      std::wstring bidi_safe_encoding;
+      if (l10n_util::AdjustStringForLocaleDirection(encoding,
+                                                    &bidi_safe_encoding))
+        encoding.swap(bidi_safe_encoding);
+      menuItems->push_back(EncodingMenuItem(it->encoding_id, encoding));
+    } else {
+      menuItems->push_back(separator);
+    }
+  }
+
+}