Further improvements to spell checking support (issue #137).

- Add "Add to dictionary" context menu option.
- Use available translations for "Add to dictionary" and "No spelling suggestions".
- Fix placement of context menu separators.
- Display the "No spelling suggestions" option as grayed out.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1879 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/browser/browser_host_impl.cc

@@ -36,6 +36,8 @@
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/spellchecker/spellcheck_factory.h"
+#include "chrome/browser/spellchecker/spellcheck_service.h"
 #include "components/pdf/common/pdf_messages.h"
 #include "content/browser/gpu/compositor_util.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
@@ -61,6 +63,10 @@
 #include "ui/gfx/font_render_params.h"
 #endif
 
+#if defined(OS_MACOSX)
+#include "chrome/browser/spellchecker/spellcheck_platform_mac.h"
+#endif
+
 #if defined(USE_AURA)
 #include "ui/views/widget/widget.h"
 #endif
@@ -876,6 +882,29 @@ void CefBrowserHostImpl::ReplaceMisspelling(const CefString& word) {
     web_contents()->ReplaceMisspelling(word);
 }
 
+void CefBrowserHostImpl::AddWordToDictionary(const CefString& word) {
+  if (!CEF_CURRENTLY_ON_UIT()) {
+    CEF_POST_TASK(CEF_UIT,
+        base::Bind(&CefBrowserHostImpl::AddWordToDictionary, this, word));
+    return;
+  }
+
+  if (!web_contents())
+    return;
+
+  content::BrowserContext* browser_context =
+      web_contents()->GetBrowserContext();
+  if (browser_context) {
+    SpellcheckService* spellcheck =
+        SpellcheckServiceFactory::GetForContext(browser_context);
+    if (spellcheck)
+      spellcheck->GetCustomDictionary()->AddWord(word);
+  }
+#if defined(OS_MACOSX)
+  spellcheck_mac::AddWord(word);
+#endif
+}
+
 void CefBrowserHostImpl::WasResized() {
   if (!IsWindowless()) {
     NOTREACHED() << "Window rendering is not disabled";

libcef/browser/browser_host_impl.h

@@ -160,6 +160,7 @@ class CefBrowserHostImpl : public CefBrowserHost,
   virtual bool IsMouseCursorChangeDisabled() OVERRIDE;
   virtual bool IsWindowRenderingDisabled() OVERRIDE;
   virtual void ReplaceMisspelling(const CefString& word) OVERRIDE;
+  virtual void AddWordToDictionary(const CefString& word) OVERRIDE;
   virtual void WasResized() OVERRIDE;
   virtual void WasHidden(bool hidden) OVERRIDE;
   virtual void NotifyScreenInfoChanged() OVERRIDE;

libcef/browser/menu_creator.cc

@@ -233,23 +233,33 @@ void CefMenuCreator::CreateDefaultModel() {
       model_->SetEnabled(MENU_ID_SELECT_ALL, false);
 
     if(!params_.misspelled_word.empty()) {
-      if (!params_.dictionary_suggestions.empty())
+      // Always add a separator before the list of dictionary suggestions or
+      // "No spelling suggestions".
+      model_->AddSeparator();
+
+      if (!params_.dictionary_suggestions.empty()) {
+        for (size_t i = 0;
+             i < params_.dictionary_suggestions.size() &&
+                 MENU_ID_SPELLCHECK_SUGGESTION_0 + i <=
+                    MENU_ID_SPELLCHECK_SUGGESTION_LAST;
+             ++i) {
+          model_->AddItem(MENU_ID_SPELLCHECK_SUGGESTION_0 + static_cast<int>(i),
+              params_.dictionary_suggestions[i].c_str());
+        }
+
+        // When there are dictionary suggestions add a separator before "Add to
+        // dictionary".
         model_->AddSeparator();
-
-      for (size_t i = 0;
-           i < params_.dictionary_suggestions.size() &&
-               MENU_ID_SPELLCHECK_SUGGESTION_0 + i <=
-                  MENU_ID_SPELLCHECK_SUGGESTION_LAST;
-           ++i) {
-        model_->AddItem(MENU_ID_SPELLCHECK_SUGGESTION_0 + static_cast<int>(i),
-            params_.dictionary_suggestions[i].c_str());
-      }
-
-      if (params_.dictionary_suggestions.empty()) {
+      } else {
         model_->AddItem(
             MENU_ID_NO_SPELLING_SUGGESTIONS,
-            GetLabel(IDS_MENU_NO_SPELLING_SUGGESTIONS));
+            GetLabel(IDS_CONTENT_CONTEXT_NO_SPELLING_SUGGESTIONS));
+        model_->SetEnabled(MENU_ID_NO_SPELLING_SUGGESTIONS, false);
       }
+
+      model_->AddItem(
+            MENU_ID_ADD_TO_DICTIONARY,
+            GetLabel(IDS_CONTENT_CONTEXT_ADD_TO_DICTIONARY));
     }
   } else if (!params_.selection_text.empty()) {
     // Something is selected.
@@ -336,6 +346,11 @@ void CefMenuCreator::ExecuteDefaultCommand(int command_id) {
     browser_->GetFocusedFrame()->ViewSource();
     break;
 
+  // Spell checking.
+  case MENU_ID_ADD_TO_DICTIONARY:
+    browser_->GetHost()->AddWordToDictionary(params_.misspelled_word);
+    break;
+
   default:
     break;
   }

libcef/resources/cef_strings.grd

@@ -333,7 +333,10 @@ need to be translated for each locale.-->
       <message name="IDS_SPELLCHECK_DICTIONARY" use_name_for_id="true">
         en-US
       </message>
-      <message name="IDS_MENU_NO_SPELLING_SUGGESTIONS" desc="The name of the No Spelling Suggestions display in the content area context menu">
+      <message name="IDS_CONTENT_CONTEXT_ADD_TO_DICTIONARY" desc="The name of the Add to dictionary command in the content area context menu">
+        &amp;Add to dictionary
+      </message>
+      <message name="IDS_CONTENT_CONTEXT_NO_SPELLING_SUGGESTIONS" desc="The name of the No Spelling Suggestions display in the content area context menu">
         &amp;No spelling suggestions
       </message>
     </messages>