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// Copyright (c) 2011 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/tab_contents/spellchecker_submenu_observer.h"
#include "base/logging.h"
#include "chrome/app/chrome_command_ids.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/prefs/pref_member.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/spellchecker/spellcheck_host.h"
#include "chrome/browser/spellchecker/spellchecker_platform_engine.h"
#include "chrome/browser/tab_contents/render_view_context_menu.h"
#include "chrome/browser/tab_contents/spelling_bubble_model.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/spellcheck_messages.h"
#include "content/browser/renderer_host/render_view_host.h"
#include "content/browser/renderer_host/render_widget_host_view.h"
#include "grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/models/simple_menu_model.h"
using content::BrowserThread;
SpellCheckerSubMenuObserver::SpellCheckerSubMenuObserver(
RenderViewContextMenuProxy* proxy,
ui::SimpleMenuModel::Delegate* delegate,
int group)
: proxy_(proxy),
submenu_model_(delegate),
spellcheck_enabled_(false),
integrate_spelling_service_(false),
language_group_(group),
language_selected_(0) {
DCHECK(proxy_);
}
SpellCheckerSubMenuObserver::~SpellCheckerSubMenuObserver() {
}
void SpellCheckerSubMenuObserver::InitMenu(const ContextMenuParams& params) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
spellcheck_enabled_ = params.spellcheck_enabled;
// Add available spell-checker languages to the sub menu.
Profile* profile = proxy_->GetProfile();
language_selected_ =
SpellCheckHost::GetSpellCheckLanguages(profile, &languages_);
DCHECK(languages_.size() <
IDC_SPELLCHECK_LANGUAGES_LAST - IDC_SPELLCHECK_LANGUAGES_FIRST);
const std::string app_locale = g_browser_process->GetApplicationLocale();
for (size_t i = 0; i < languages_.size(); ++i) {
string16 display_name(
l10n_util::GetDisplayNameForLocale(languages_[i], app_locale, true));
submenu_model_.AddRadioItem(IDC_SPELLCHECK_LANGUAGES_FIRST + i,
display_name,
language_group_);
}
// Add an item that opens the 'fonts and languages options' page.
submenu_model_.AddSeparator();
submenu_model_.AddItemWithStringId(
IDC_CONTENT_CONTEXT_LANGUAGE_SETTINGS,
IDS_CONTENT_CONTEXT_LANGUAGE_SETTINGS);
// Add a 'Check the spelling of this field' item in the sub menu.
submenu_model_.AddCheckItem(
IDC_CHECK_SPELLING_OF_THIS_FIELD,
l10n_util::GetStringUTF16(
IDS_CONTENT_CONTEXT_CHECK_SPELLING_OF_THIS_FIELD));
// Add an item that shows the spelling panel if the platform spellchecker
// supports it.
if (SpellCheckerPlatform::SpellCheckerAvailable() &&
SpellCheckerPlatform::SpellCheckerProvidesPanel()) {
submenu_model_.AddCheckItem(
IDC_SPELLPANEL_TOGGLE,
l10n_util::GetStringUTF16(
SpellCheckerPlatform::SpellingPanelVisible() ?
IDS_CONTENT_CONTEXT_HIDE_SPELLING_PANEL :
IDS_CONTENT_CONTEXT_SHOW_SPELLING_PANEL));
}
#if defined(OS_WIN)
// If we have not integrated the spelling service, we show an "Ask Google for
// spelling suggestions" item. On the other hand, if we have integrated the
// spelling service, we show "Stop asking Google for spelling suggestions"
// item.
integrate_spelling_service_ =
profile->GetPrefs()->GetBoolean(prefs::kSpellCheckUseSpellingService);
int spelling_message = integrate_spelling_service_ ?
IDS_CONTENT_CONTEXT_SPELLING_STOP_ASKING_GOOGLE :
IDS_CONTENT_CONTEXT_SPELLING_ASK_GOOGLE;
submenu_model_.AddCheckItem(IDC_CONTENT_CONTEXT_SPELLING_TOGGLE,
l10n_util::GetStringUTF16(spelling_message));
#endif
proxy_->AddSubMenu(
IDC_SPELLCHECK_MENU,
l10n_util::GetStringUTF16(IDS_CONTENT_CONTEXT_SPELLCHECK_MENU),
&submenu_model_);
}
bool SpellCheckerSubMenuObserver::IsCommandIdSupported(int command_id) {
// Allow Spell Check language items on sub menu for text area context menu.
if (command_id >= IDC_SPELLCHECK_LANGUAGES_FIRST &&
command_id < IDC_SPELLCHECK_LANGUAGES_LAST) {
return true;
}
switch (command_id) {
case IDC_CONTENT_CONTEXT_LANGUAGE_SETTINGS:
// Return false so RenderViewContextMenu can handle this item because it
// is hard for this class to handle it.
return false;
case IDC_CHECK_SPELLING_OF_THIS_FIELD:
case IDC_SPELLPANEL_TOGGLE:
case IDC_SPELLCHECK_MENU:
case IDC_CONTENT_CONTEXT_SPELLING_TOGGLE:
return true;
}
return false;
}
bool SpellCheckerSubMenuObserver::IsCommandIdChecked(int command_id) {
DCHECK(IsCommandIdSupported(command_id));
if (command_id >= IDC_SPELLCHECK_LANGUAGES_FIRST &&
command_id < IDC_SPELLCHECK_LANGUAGES_LAST) {
return language_selected_ == command_id - IDC_SPELLCHECK_LANGUAGES_FIRST;
}
// Check box for 'Check the Spelling of this field'.
if (command_id == IDC_CHECK_SPELLING_OF_THIS_FIELD) {
Profile* profile = proxy_->GetProfile();
if (!profile || !profile->GetPrefs()->GetBoolean(prefs::kEnableSpellCheck))
return false;
return spellcheck_enabled_;
}
return false;
}
bool SpellCheckerSubMenuObserver::IsCommandIdEnabled(int command_id) {
DCHECK(IsCommandIdSupported(command_id));
Profile* profile = proxy_->GetProfile();
if (!profile)
return false;
const PrefService* pref = profile->GetPrefs();
if (command_id >= IDC_SPELLCHECK_LANGUAGES_FIRST &&
command_id < IDC_SPELLCHECK_LANGUAGES_LAST) {
return pref->GetBoolean(prefs::kEnableSpellCheck);
}
switch (command_id) {
case IDC_CHECK_SPELLING_OF_THIS_FIELD:
return pref->GetBoolean(prefs::kEnableSpellCheck);
case IDC_SPELLPANEL_TOGGLE:
case IDC_SPELLCHECK_MENU:
case IDC_CONTENT_CONTEXT_SPELLING_TOGGLE:
return true;
}
return false;
}
void SpellCheckerSubMenuObserver::ExecuteCommand(int command_id) {
DCHECK(IsCommandIdSupported(command_id));
// Check to see if one of the spell check language ids have been clicked.
if (command_id >= IDC_SPELLCHECK_LANGUAGES_FIRST &&
command_id < IDC_SPELLCHECK_LANGUAGES_LAST) {
Profile* profile = proxy_->GetProfile();
const size_t language = command_id - IDC_SPELLCHECK_LANGUAGES_FIRST;
if (profile && language < languages_.size()) {
StringPrefMember dictionary_language;
dictionary_language.Init(prefs::kSpellCheckDictionary,
profile->GetPrefs(),
NULL);
dictionary_language.SetValue(languages_[language]);
}
return;
}
RenderViewHost* rvh = proxy_->GetRenderViewHost();
switch (command_id) {
case IDC_CHECK_SPELLING_OF_THIS_FIELD:
rvh->Send(new SpellCheckMsg_ToggleSpellCheck(rvh->routing_id()));
break;
case IDC_SPELLPANEL_TOGGLE:
rvh->Send(new SpellCheckMsg_ToggleSpellPanel(
rvh->routing_id(), SpellCheckerPlatform::SpellingPanelVisible()));
break;
#if defined(OS_WIN)
case IDC_CONTENT_CONTEXT_SPELLING_TOGGLE:
// When a user chooses the "Ask Google for spelling suggestions" item, we
// show a bubble to confirm it. On the other hand, when a user chooses the
// "Stop asking Google for spelling suggestions" item, we directly update
// the profile and stop integrating the spelling service immediately.
if (!integrate_spelling_service_) {
gfx::Rect bounds = rvh->view()->GetViewBounds();
bounds.Inset(bounds.width() / 2, 0);
ConfirmBubbleModel::Show(rvh->view()->GetNativeView(), bounds.origin(),
new SpellingBubbleModel(proxy_->GetProfile()));
} else {
Profile* profile = proxy_->GetProfile();
if (profile)
profile->GetPrefs()->SetBoolean(prefs::kSpellCheckUseSpellingService,
false);
}
break;
#endif
}
}
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