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// Copyright (c) 2010 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/chromeos/options/language_config_view.h"
#include <utility>
#include <vector>
#include "app/l10n_util.h"
#include "app/table_model.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/chromeos/cros/language_library.h"
#include "chrome/browser/chromeos/options/language_hangul_config_view.h"
#include "grit/generated_resources.h"
#include "grit/locale_settings.h"
#include "views/controls/button/checkbox.h"
#include "views/controls/label.h"
#include "views/grid_layout.h"
#include "views/standard_layout.h"
#include "views/window/window.h"
namespace chromeos {
// This is a checkbox associated with input language information.
class LanguageCheckbox : public views::Checkbox {
public:
explicit LanguageCheckbox(const InputLanguage& language)
: views::Checkbox(UTF8ToWide(language.display_name)),
language_(language) {
}
const InputLanguage& language() const {
return language_;
}
private:
InputLanguage language_;
DISALLOW_COPY_AND_ASSIGN(LanguageCheckbox);
};
// The table model for the list of preferred languages.
class PreferredLanguageTableModel : public TableModel {
public:
PreferredLanguageTableModel()
: observer_(NULL) {
}
// TableModel overrides:
virtual std::wstring GetText(int row, int column_id) {
return L"Not yet implemented";
}
virtual void SetObserver(TableModelObserver* observer) {
observer_ = observer;
}
virtual int RowCount() {
return 1;
}
private:
TableModelObserver* observer_;
DISALLOW_COPY_AND_ASSIGN(PreferredLanguageTableModel);
};
LanguageConfigView::LanguageConfigView() :
contents_(NULL),
hangul_configure_button_(NULL),
language_checkbox_(NULL),
preferred_language_table_(NULL),
preferred_language_table_model_(new PreferredLanguageTableModel) {
}
LanguageConfigView::~LanguageConfigView() {
if (preferred_language_table_) {
// Reset the model to avoid a destruction issue in TableView2.
// See the comment at SetModel() in table_view2.h for details.
preferred_language_table_->SetModel(NULL);
}
}
void LanguageConfigView::ButtonPressed(
views::Button* sender, const views::Event& event) {
if (sender == static_cast<views::Button*>(hangul_configure_button_)) {
views::Window* window = views::Window::CreateChromeWindow(
NULL, gfx::Rect(), new LanguageHangulConfigView());
window->SetIsAlwaysOnTop(true);
window->Show();
} else if (sender == static_cast<views::Button*>(language_checkbox_)) {
LanguageCheckbox* checkbox = static_cast<LanguageCheckbox*>(sender);
const InputLanguage& language = checkbox->language();
// Check if the checkbox is now being checked.
if (checkbox->checked()) {
// TODO(yusukes): limit the number of active languages so the pop-up menu
// of the language_menu_button does not overflow.
// Try to activate the language.
if (!LanguageLibrary::Get()->ActivateLanguage(language.category,
language.id)) {
// Activation should never fail (failure means something is broken),
// but if it fails we just revert the checkbox and ignore the error.
// TODO(satorux): Implement a better error handling if it becomes
// necessary.
checkbox->SetChecked(false);
LOG(ERROR) << "Failed to activate language: "
<< language.display_name;
}
} else {
// Try to deactivate the language.
if (!LanguageLibrary::Get()->DeactivateLanguage(language.category,
language.id)) {
// See a comment above about the activation failure.
checkbox->SetChecked(true);
LOG(ERROR) << "Failed to deactivate language: "
<< language.display_name;
}
}
}
}
void LanguageConfigView::Layout() {
// Not sure why but this is needed to show contents in the dialog.
contents_->SetBounds(0, 0, width(), height());
}
std::wstring LanguageConfigView::GetWindowTitle() const {
return l10n_util::GetString(
IDS_OPTIONS_SETTINGS_LANGUAGES_DIALOG_TITLE);
}
gfx::Size LanguageConfigView::GetPreferredSize() {
// TODO(satorux): Create our own localized content size once the UI is done.
return gfx::Size(views::Window::GetLocalizedContentsSize(
IDS_FONTSLANG_DIALOG_WIDTH_CHARS,
IDS_FONTSLANG_DIALOG_HEIGHT_LINES));
}
void LanguageConfigView::ViewHierarchyChanged(
bool is_add, views::View* parent, views::View* child) {
// Can't init before we're inserted into a Container.
if (is_add && child == this) {
Init();
}
}
void LanguageConfigView::OnSelectionChanged() {
// TODO(satorux): Implement this.
}
// TODO(satorux): Refactor the function.
void LanguageConfigView::Init() {
using views::ColumnSet;
using views::GridLayout;
if (contents_) return; // Already initialized.
contents_ = new views::View;
AddChildView(contents_);
// Set up the layout manager for the outer contents. We'll place the
// preferred language table on the left, and anything else on the right.
GridLayout* outer_layout = new GridLayout(contents_);
contents_->SetLayoutManager(outer_layout);
outer_layout->SetInsets(kPanelVertMargin, kPanelHorizMargin,
kPanelVertMargin, kPanelHorizMargin);
// Set up the column set for the outer contents.
const int kOuterColumnSetId = 0;
ColumnSet* column_set = outer_layout->AddColumnSet(kOuterColumnSetId);
column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 1,
GridLayout::USE_PREF, 0, 0);
column_set->AddPaddingColumn(0, kRelatedControlHorizontalSpacing);
column_set->AddColumn(GridLayout::LEADING, GridLayout::LEADING, 0,
GridLayout::USE_PREF, 0, 0);
// Set up the preferred language table.
std::vector<TableColumn> columns;
TableColumn column(0,
l10n_util::GetString(
IDS_OPTIONS_SETTINGS_LANGUAGES_LANGUAGES),
TableColumn::LEFT, -1 /* width */, 0 /* percent */);
columns.push_back(column);
preferred_language_table_ =
new views::TableView2(preferred_language_table_model_.get(),
columns,
views::TEXT_ONLY,
true, true, true);
preferred_language_table_->SetObserver(this);
// Add the preferred language table.
outer_layout->StartRow(1 /* expand */, kOuterColumnSetId);
outer_layout->AddView(preferred_language_table_);
// Set up the container for the contents on the right.
views::View* right_contents = new views::View;
GridLayout* layout = new GridLayout(right_contents);
right_contents->SetLayoutManager(layout);
outer_layout->AddView(right_contents);
// Set up the single column set.
const int kSingleColumnSetId = 1;
column_set = layout->AddColumnSet(kSingleColumnSetId);
column_set->AddColumn(GridLayout::FILL, GridLayout::CENTER, 1,
GridLayout::USE_PREF, 0, 0);
// Set up the double column set.
const int kDoubleColumnSetId = 2;
column_set = layout->AddColumnSet(kDoubleColumnSetId);
column_set->AddColumn(GridLayout::FILL, GridLayout::CENTER, 0,
GridLayout::USE_PREF, 0, 0);
column_set->AddPaddingColumn(0, kRelatedControlHorizontalSpacing);
column_set->AddColumn(GridLayout::FILL, GridLayout::CENTER, 1,
GridLayout::USE_PREF, 0, 0);
// GetActiveLanguages() and GetSupportedLanguages() never return NULL.
scoped_ptr<InputLanguageList> active_language_list(
LanguageLibrary::Get()->GetActiveLanguages());
scoped_ptr<InputLanguageList> supported_language_list(
LanguageLibrary::Get()->GetSupportedLanguages());
for (size_t i = 0; i < supported_language_list->size(); ++i) {
const InputLanguage& language = supported_language_list->at(i);
// Check if |language| is active. Note that active_language_list is
// small (usually a couple), so scanning here is fine.
const bool language_is_active =
(std::find(active_language_list->begin(),
active_language_list->end(),
language) != active_language_list->end());
// Create a checkbox.
language_checkbox_ = new LanguageCheckbox(language);
language_checkbox_->SetChecked(language_is_active);
language_checkbox_->set_listener(this);
// We use two columns. Start a column if the counter is an even number.
if (i % 2 == 0) {
layout->StartRow(0, kDoubleColumnSetId);
}
// Add the checkbox to the layout manager.
layout->AddView(language_checkbox_);
}
// Add the configure button for the Hangul IME.
// TODO(satorux): We'll have better UI for this soon.
layout->StartRow(0, kDoubleColumnSetId);
hangul_configure_button_ = new views::NativeButton(
this, l10n_util::GetString(IDS_OPTIONS_SETTINGS_LANGUAGES_CONFIGURE));
layout->AddView(new views::Label(
l10n_util::GetString(IDS_OPTIONS_SETTINGS_HANGUL_IME_TEXT)));
layout->AddView(hangul_configure_button_);
}
} // namespace chromeos
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