[MacViews] Implemented text context menu

chrome/browser/ui/cocoa/renderer_context_menu/render_view_context_menu_mac.mm

 // Copyright 2014 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/ui/cocoa/renderer_context_menu/render_view_context_menu_mac.h"
 
 #include <utility>
 
 #include "base/compiler_specific.h"
 #include "base/mac/mac_util.h"
@@ skipping 165 matching lines @@
 };
 
 // Obj-C bridge class that is the target of all items in the context menu.
 // Relies on the tag being set to the command id.
 
 RenderViewContextMenuMac::RenderViewContextMenuMac(
     content::RenderFrameHost* render_frame_host,
     const content::ContextMenuParams& params,
     NSView* parent_view)
     : RenderViewContextMenu(render_frame_host, params),
-      speech_submenu_model_(this),
       bidi_submenu_model_(this),
-      parent_view_(parent_view) {
+      parent_view_(parent_view),
+      text_context_menu_(new TextContextMenu(this)) {
   std::unique_ptr<ToolkitDelegate> delegate(new ToolkitDelegateMac(this));
   set_toolkit_delegate(std::move(delegate));
 }
 
 RenderViewContextMenuMac::~RenderViewContextMenuMac() {
 }
 
 void RenderViewContextMenuMac::Show() {
   menu_controller_.reset(
       [[MenuController alloc] initWithModel:&menu_model_
@@ skipping 44 matching lines @@
     stopwatch.Stop();
   }
 }
 
 void RenderViewContextMenuMac::ExecuteCommand(int command_id, int event_flags) {
   switch (command_id) {
     case IDC_CONTENT_CONTEXT_LOOK_UP:
       LookUpInDictionary();
       break;
 
-    case IDC_CONTENT_CONTEXT_SPEECH_START_SPEAKING:
-      StartSpeaking();
-      break;
-
-    case IDC_CONTENT_CONTEXT_SPEECH_STOP_SPEAKING:
-      StopSpeaking();
-      break;
-
     case IDC_WRITING_DIRECTION_DEFAULT:
       // WebKit's current behavior is for this menu item to always be disabled.
       NOTREACHED();
       break;
 
     case IDC_WRITING_DIRECTION_RTL:
     case IDC_WRITING_DIRECTION_LTR: {
       content::RenderViewHost* view_host = GetRenderViewHost();
       blink::WebTextDirection dir = blink::WebTextDirectionLeftToRight;
       if (command_id == IDC_WRITING_DIRECTION_RTL)
@@ skipping 27 matching lines @@
   }
 }
 
 bool RenderViewContextMenuMac::IsCommandIdEnabled(int command_id) const {
   switch (command_id) {
     case IDC_CONTENT_CONTEXT_LOOK_UP:
       // This is OK because the menu is not shown when it isn't
       // appropriate.
       return true;
 
-    case IDC_CONTENT_CONTEXT_SPEECH_START_SPEAKING:
-      // This is OK because the menu is not shown when it isn't
-      // appropriate.
-      return true;
-
-    case IDC_CONTENT_CONTEXT_SPEECH_STOP_SPEAKING: {
-      content::RenderWidgetHostView* view =
-          GetRenderViewHost()->GetWidget()->GetView();
-      return view && view->IsSpeaking();
-    }
-
     case IDC_WRITING_DIRECTION_DEFAULT:  // Provided to match OS defaults.
       return params_.writing_direction_default &
           blink::WebContextMenuData::CheckableMenuItemEnabled;
     case IDC_WRITING_DIRECTION_RTL:
       return params_.writing_direction_right_to_left &
           blink::WebContextMenuData::CheckableMenuItemEnabled;
     case IDC_WRITING_DIRECTION_LTR:
       return params_.writing_direction_left_to_right &
           blink::WebContextMenuData::CheckableMenuItemEnabled;
 
@@ skipping 37 matching lines @@
     base::string16 printable_selection_text = PrintableSelectionText();
     EscapeAmpersands(&printable_selection_text);
     menu_model_.InsertItemAt(
         index++,
         IDC_CONTENT_CONTEXT_LOOK_UP,
         l10n_util::GetStringFUTF16(IDS_CONTENT_CONTEXT_LOOK_UP,
                                    printable_selection_text));
     menu_model_.InsertSeparatorAt(index++, ui::NORMAL_SEPARATOR);
   }
 
-  content::RenderWidgetHostView* view =
-      GetRenderViewHost()->GetWidget()->GetView();
-  if (view && view->SupportsSpeech()) {
-    menu_model_.AddSeparator(ui::NORMAL_SEPARATOR);
-    speech_submenu_model_.AddItemWithStringId(
-        IDC_CONTENT_CONTEXT_SPEECH_START_SPEAKING,
-        IDS_SPEECH_START_SPEAKING_MAC);
-    speech_submenu_model_.AddItemWithStringId(
-        IDC_CONTENT_CONTEXT_SPEECH_STOP_SPEAKING,
-        IDS_SPEECH_STOP_SPEAKING_MAC);
-    menu_model_.AddSubMenu(
-        IDC_CONTENT_CONTEXT_SPEECH_MENU,
-        l10n_util::GetStringUTF16(IDS_SPEECH_MAC),
-        &speech_submenu_model_);
-  }
+  text_context_menu_->AppendToContextMenu(&menu_model_);
 }
 
 void RenderViewContextMenuMac::CancelToolkitMenu() {
   [menu_controller_ cancel];
 }
 
 void RenderViewContextMenuMac::UpdateToolkitMenuItem(
     int command_id,
     bool enabled,
     bool hidden,
@@ skipping 30 matching lines @@
   if (view)
     view->ShowDefinitionForSelection();
 }
 
 void RenderViewContextMenuMac::StartSpeaking() {
   content::RenderWidgetHostView* view =
       GetRenderViewHost()->GetWidget()->GetView();
   if (view)
     view->SpeakSelection();
 }
-
-void RenderViewContextMenuMac::StopSpeaking() {
-  content::RenderWidgetHostView* view =
-      GetRenderViewHost()->GetWidget()->GetView();
-  if (view)
-    view->StopSpeaking();
-}