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

include/capi/cef_browser_capi.h

@@ -367,6 +367,12 @@ typedef struct _cef_browser_host_t {
   void (CEF_CALLBACK *replace_misspelling)(struct _cef_browser_host_t* self,
       const cef_string_t* word);
 
+  ///
+  // Add the specified |word| to the spelling dictionary.
+  ///
+  void (CEF_CALLBACK *add_word_to_dictionary)(struct _cef_browser_host_t* self,
+      const cef_string_t* word);
+
   ///
   // Returns true (1) if window rendering is disabled.
   ///

include/cef_browser.h

@@ -413,6 +413,12 @@ class CefBrowserHost : public virtual CefBase {
   /*--cef()--*/
   virtual void ReplaceMisspelling(const CefString& word) =0;
 
+  ///
+  // Add the specified |word| to the spelling dictionary.
+  ///
+  /*--cef()--*/
+  virtual void AddWordToDictionary(const CefString& word) =0;
+
   ///
   // Returns true if window rendering is disabled.
   ///

include/internal/cef_types.h

@@ -1308,6 +1308,7 @@ typedef enum {
   MENU_ID_SPELLCHECK_SUGGESTION_4        = 204,
   MENU_ID_SPELLCHECK_SUGGESTION_LAST     = 204,
   MENU_ID_NO_SPELLING_SUGGESTIONS        = 205,
+  MENU_ID_ADD_TO_DICTIONARY              = 206,
 
   // All user-defined menu IDs should come between MENU_ID_USER_FIRST and
   // MENU_ID_USER_LAST to avoid overlapping the Chromium and CEF ID ranges

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

@@ -233,9 +233,11 @@ 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 <=
@@ -245,11 +247,19 @@ void CefMenuCreator::CreateDefaultModel() {
               params_.dictionary_suggestions[i].c_str());
         }
 
-      if (params_.dictionary_suggestions.empty()) {
+        // When there are dictionary suggestions add a separator before "Add to
+        // dictionary".
+        model_->AddSeparator();
+      } 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>

libcef_dll/cpptoc/browser_host_cpptoc.cc

@@ -434,6 +434,23 @@ void CEF_CALLBACK browser_host_replace_misspelling(
       CefString(word));
 }
 
+void CEF_CALLBACK browser_host_add_word_to_dictionary(
+    struct _cef_browser_host_t* self, const cef_string_t* word) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return;
+  // Verify param: word; type: string_byref_const
+  DCHECK(word);
+  if (!word)
+    return;
+
+  // Execute
+  CefBrowserHostCppToC::Get(self)->AddWordToDictionary(
+      CefString(word));
+}
+
 int CEF_CALLBACK browser_host_is_window_rendering_disabled(
     struct _cef_browser_host_t* self) {
   // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
@@ -806,6 +823,7 @@ CefBrowserHostCppToC::CefBrowserHostCppToC(CefBrowserHost* cls)
   struct_.struct_.is_mouse_cursor_change_disabled =
       browser_host_is_mouse_cursor_change_disabled;
   struct_.struct_.replace_misspelling = browser_host_replace_misspelling;
+  struct_.struct_.add_word_to_dictionary = browser_host_add_word_to_dictionary;
   struct_.struct_.is_window_rendering_disabled =
       browser_host_is_window_rendering_disabled;
   struct_.struct_.was_resized = browser_host_was_resized;

libcef_dll/ctocpp/browser_host_ctocpp.cc

@@ -350,6 +350,22 @@ void CefBrowserHostCToCpp::ReplaceMisspelling(const CefString& word) {
       word.GetStruct());
 }
 
+void CefBrowserHostCToCpp::AddWordToDictionary(const CefString& word) {
+  if (CEF_MEMBER_MISSING(struct_, add_word_to_dictionary))
+    return;
+
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: word; type: string_byref_const
+  DCHECK(!word.empty());
+  if (word.empty())
+    return;
+
+  // Execute
+  struct_->add_word_to_dictionary(struct_,
+      word.GetStruct());
+}
+
 bool CefBrowserHostCToCpp::IsWindowRenderingDisabled() {
   if (CEF_MEMBER_MISSING(struct_, is_window_rendering_disabled))
     return false;

libcef_dll/ctocpp/browser_host_ctocpp.h

@@ -63,6 +63,7 @@ class CefBrowserHostCToCpp
   virtual void SetMouseCursorChangeDisabled(bool disabled) OVERRIDE;
   virtual bool IsMouseCursorChangeDisabled() OVERRIDE;
   virtual void ReplaceMisspelling(const CefString& word) OVERRIDE;
+  virtual void AddWordToDictionary(const CefString& word) OVERRIDE;
   virtual bool IsWindowRenderingDisabled() OVERRIDE;
   virtual void WasResized() OVERRIDE;
   virtual void WasHidden(bool hidden) OVERRIDE;