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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/browser/renderer_context_menu/spellchecker_submenu_observer.h"
      6 
      7 #include "base/logging.h"
      8 #include "base/prefs/pref_service.h"
      9 #include "chrome/app/chrome_command_ids.h"
     10 #include "chrome/browser/renderer_context_menu/render_view_context_menu.h"
     11 #include "chrome/browser/renderer_context_menu/spelling_bubble_model.h"
     12 #include "chrome/browser/spellchecker/spellcheck_platform_mac.h"
     13 #include "chrome/common/chrome_switches.h"
     14 #include "chrome/common/pref_names.h"
     15 #include "chrome/common/spellcheck_messages.h"
     16 #include "content/public/browser/render_view_host.h"
     17 #include "content/public/browser/render_widget_host_view.h"
     18 #include "grit/generated_resources.h"
     19 #include "ui/base/l10n/l10n_util.h"
     20 #include "ui/base/models/simple_menu_model.h"
     21 
     22 using content::BrowserThread;
     23 
     24 SpellCheckerSubMenuObserver::SpellCheckerSubMenuObserver(
     25     RenderViewContextMenuProxy* proxy,
     26     ui::SimpleMenuModel::Delegate* delegate,
     27     int group)
     28     : proxy_(proxy),
     29       submenu_model_(delegate) {
     30   DCHECK(proxy_);
     31 }
     32 
     33 SpellCheckerSubMenuObserver::~SpellCheckerSubMenuObserver() {
     34 }
     35 
     36 void SpellCheckerSubMenuObserver::InitMenu(
     37     const content::ContextMenuParams& params) {
     38   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
     39 
     40   // Add an item that toggles the spelling panel.
     41   submenu_model_.AddCheckItem(
     42       IDC_SPELLPANEL_TOGGLE,
     43       l10n_util::GetStringUTF16(
     44           spellcheck_mac::SpellingPanelVisible() ?
     45               IDS_CONTENT_CONTEXT_HIDE_SPELLING_PANEL :
     46               IDS_CONTENT_CONTEXT_SHOW_SPELLING_PANEL));
     47   submenu_model_.AddSeparator(ui::NORMAL_SEPARATOR);
     48 
     49   // Add a 'Check Spelling While Typing' item in the sub menu.
     50   submenu_model_.AddCheckItem(
     51       IDC_CHECK_SPELLING_WHILE_TYPING,
     52       l10n_util::GetStringUTF16(
     53           IDS_CONTENT_CONTEXT_CHECK_SPELLING_WHILE_TYPING));
     54 
     55   proxy_->AddSubMenu(
     56       IDC_SPELLCHECK_MENU,
     57       l10n_util::GetStringUTF16(IDS_CONTENT_CONTEXT_SPELLCHECK_MENU),
     58       &submenu_model_);
     59 }
     60 
     61 bool SpellCheckerSubMenuObserver::IsCommandIdSupported(int command_id) {
     62   switch (command_id) {
     63     case IDC_CONTENT_CONTEXT_LANGUAGE_SETTINGS:
     64       // Return false so RenderViewContextMenu can handle this item because it
     65       // is hard for this class to handle it.
     66       return false;
     67 
     68     case IDC_CHECK_SPELLING_WHILE_TYPING:
     69     case IDC_SPELLPANEL_TOGGLE:
     70     case IDC_SPELLCHECK_MENU:
     71     case IDC_CONTENT_CONTEXT_SPELLING_TOGGLE:
     72       return true;
     73   }
     74 
     75   return false;
     76 }
     77 
     78 bool SpellCheckerSubMenuObserver::IsCommandIdChecked(int command_id) {
     79   DCHECK(IsCommandIdSupported(command_id));
     80 
     81   // Check box for 'Check Spelling while typing'.
     82   if (command_id == IDC_CHECK_SPELLING_WHILE_TYPING) {
     83     Profile* profile = proxy_->GetProfile();
     84     DCHECK(profile);
     85     return profile->GetPrefs()->GetBoolean(prefs::kEnableContinuousSpellcheck);
     86   }
     87 
     88   return false;
     89 }
     90 
     91 bool SpellCheckerSubMenuObserver::IsCommandIdEnabled(int command_id) {
     92   DCHECK(IsCommandIdSupported(command_id));
     93 
     94   switch (command_id) {
     95     case IDC_CHECK_SPELLING_WHILE_TYPING:
     96     case IDC_SPELLPANEL_TOGGLE:
     97     case IDC_SPELLCHECK_MENU:
     98     case IDC_CONTENT_CONTEXT_SPELLING_TOGGLE:
     99       return true;
    100   }
    101 
    102   return false;
    103 }
    104 
    105 void SpellCheckerSubMenuObserver::ExecuteCommand(int command_id) {
    106   DCHECK(IsCommandIdSupported(command_id));
    107 
    108   content::RenderViewHost* rvh = proxy_->GetRenderViewHost();
    109   Profile* profile = proxy_->GetProfile();
    110   DCHECK(profile);
    111   switch (command_id) {
    112     case IDC_CHECK_SPELLING_WHILE_TYPING:
    113       profile->GetPrefs()->SetBoolean(
    114           prefs::kEnableContinuousSpellcheck,
    115           !profile->GetPrefs()->GetBoolean(prefs::kEnableContinuousSpellcheck));
    116       break;
    117 
    118     case IDC_SPELLPANEL_TOGGLE:
    119       rvh->Send(new SpellCheckMsg_ToggleSpellPanel(
    120           rvh->GetRoutingID(), spellcheck_mac::SpellingPanelVisible()));
    121       break;
    122   }
    123 }
    124