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// Copyright (c) 2012 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/views/website_settings/permission_selector_view.h"
#include "base/i18n/rtl.h"
#include "base/macros.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/ui/views/website_settings/website_settings_popup_view.h"
#include "chrome/browser/ui/website_settings/permission_menu_model.h"
#include "chrome/browser/ui/website_settings/website_settings_ui.h"
#include "chrome/grit/generated_resources.h"
#include "ui/accessibility/ax_view_state.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/gfx/image/image.h"
#include "ui/views/controls/button/menu_button.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/controls/label.h"
#include "ui/views/controls/menu/menu_runner.h"
#include "ui/views/layout/grid_layout.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget.h"
namespace internal {
// The |PermissionMenuButton| provides a menu for selecting a setting a
// permissions type.
class PermissionMenuButton : public views::MenuButton,
public views::MenuButtonListener {
public:
// Creates a new |PermissionMenuButton| with the passed |text|. The ownership
// of the |model| remains with the caller and is not transfered to the
// |PermissionMenuButton|. If the |show_menu_marker| flag is true, then a
// small icon is be displayed next to the button |text|, indicating that the
// button opens a drop down menu.
PermissionMenuButton(const base::string16& text,
PermissionMenuModel* model,
bool show_menu_marker);
~PermissionMenuButton() override;
// Overridden from views::View.
void GetAccessibleState(ui::AXViewState* state) override;
void OnNativeThemeChanged(const ui::NativeTheme* theme) override;
private:
// Overridden from views::MenuButtonListener.
void OnMenuButtonClicked(views::MenuButton* source,
const gfx::Point& point,
const ui::Event* event) override;
PermissionMenuModel* menu_model_; // Owned by |PermissionSelectorView|.
scoped_ptr<views::MenuRunner> menu_runner_;
bool is_rtl_display_;
DISALLOW_COPY_AND_ASSIGN(PermissionMenuButton);
};
///////////////////////////////////////////////////////////////////////////////
// PermissionMenuButton
///////////////////////////////////////////////////////////////////////////////
PermissionMenuButton::PermissionMenuButton(const base::string16& text,
PermissionMenuModel* model,
bool show_menu_marker)
: MenuButton(text, this, show_menu_marker), menu_model_(model) {
// Update the themed border before the NativeTheme is applied. Usually this
// happens in a call to LabelButton::OnNativeThemeChanged(). However, if
// PermissionMenuButton called that from its override, the NativeTheme would
// be available, and the button would get native GTK styling on Linux.
UpdateThemedBorder();
is_rtl_display_ =
base::i18n::RIGHT_TO_LEFT == base::i18n::GetStringDirection(text);
}
PermissionMenuButton::~PermissionMenuButton() {
}
void PermissionMenuButton::GetAccessibleState(ui::AXViewState* state) {
MenuButton::GetAccessibleState(state);
state->value = GetText();
}
void PermissionMenuButton::OnNativeThemeChanged(const ui::NativeTheme* theme) {
SetTextColor(views::Button::STATE_NORMAL, theme->GetSystemColor(
ui::NativeTheme::kColorId_LabelEnabledColor));
SetTextColor(views::Button::STATE_HOVERED, theme->GetSystemColor(
ui::NativeTheme::kColorId_LabelEnabledColor));
SetTextColor(views::Button::STATE_DISABLED, theme->GetSystemColor(
ui::NativeTheme::kColorId_LabelDisabledColor));
}
void PermissionMenuButton::OnMenuButtonClicked(views::MenuButton* source,
const gfx::Point& point,
const ui::Event* event) {
menu_runner_.reset(
new views::MenuRunner(menu_model_, views::MenuRunner::HAS_MNEMONICS));
gfx::Point p(point);
p.Offset(is_rtl_display_ ? source->width() : -source->width(), 0);
if (menu_runner_->RunMenuAt(source->GetWidget()->GetTopLevelWidget(),
this,
gfx::Rect(p, gfx::Size()),
views::MENU_ANCHOR_TOPLEFT,
ui::MENU_SOURCE_NONE) ==
views::MenuRunner::MENU_DELETED) {
return;
}
}
} // namespace internal
///////////////////////////////////////////////////////////////////////////////
// PermissionSelectorView
///////////////////////////////////////////////////////////////////////////////
PermissionSelectorView::PermissionSelectorView(
const GURL& url,
const WebsiteSettingsUI::PermissionInfo& permission)
: icon_(NULL), menu_button_(NULL) {
views::GridLayout* layout = new views::GridLayout(this);
SetLayoutManager(layout);
const int column_set_id = 0;
views::ColumnSet* column_set = layout->AddColumnSet(column_set_id);
column_set->AddColumn(views::GridLayout::FILL,
views::GridLayout::FILL,
1,
views::GridLayout::FIXED,
kPermissionIconColumnWidth,
0);
column_set->AddPaddingColumn(0, kPermissionIconMarginLeft);
column_set->AddColumn(views::GridLayout::FILL,
views::GridLayout::FILL,
1,
views::GridLayout::USE_PREF,
0,
0);
column_set->AddColumn(views::GridLayout::FILL,
views::GridLayout::FILL,
1,
views::GridLayout::USE_PREF,
0,
0);
layout->StartRow(1, column_set_id);
// Create the permission icon.
icon_ = new views::ImageView();
const gfx::Image& image = WebsiteSettingsUI::GetPermissionIcon(permission);
icon_->SetImage(image.ToImageSkia());
layout->AddView(icon_,
1,
1,
views::GridLayout::CENTER,
views::GridLayout::CENTER);
// Create the label that displays the permission type.
views::Label* label = new views::Label(l10n_util::GetStringFUTF16(
IDS_WEBSITE_SETTINGS_PERMISSION_TYPE,
WebsiteSettingsUI::PermissionTypeToUIString(permission.type)));
layout->AddView(label,
1,
1,
views::GridLayout::LEADING,
views::GridLayout::CENTER);
// Create the menu model.
menu_model_.reset(new PermissionMenuModel(
url,
permission,
base::Bind(&PermissionSelectorView::PermissionChanged,
base::Unretained(this))));
// Create the permission menu button.
bool button_enabled =
permission.source == content_settings::SETTING_SOURCE_USER;
menu_button_ = new internal::PermissionMenuButton(
WebsiteSettingsUI::PermissionActionToUIString(
permission.type, permission.setting, permission.default_setting,
permission.source),
menu_model_.get(), button_enabled);
menu_button_->SetEnabled(button_enabled);
menu_button_->SetFocusable(button_enabled);
menu_button_->SetAccessibleName(
WebsiteSettingsUI::PermissionTypeToUIString(permission.type));
layout->AddView(menu_button_);
}
void PermissionSelectorView::AddObserver(
PermissionSelectorViewObserver* observer) {
observer_list_.AddObserver(observer);
}
void PermissionSelectorView::ChildPreferredSizeChanged(View* child) {
SizeToPreferredSize();
// FIXME: The parent is only a plain |View| that is used as a
// container/box/panel. The SizeToPreferredSize method of the parent is
// called here directly in order not to implement a custom |View| class with
// its own implementation of the ChildPreferredSizeChanged method.
parent()->SizeToPreferredSize();
}
PermissionSelectorView::~PermissionSelectorView() {
}
void PermissionSelectorView::PermissionChanged(
const WebsiteSettingsUI::PermissionInfo& permission) {
// Change the permission icon to reflect the selected setting.
const gfx::Image& image = WebsiteSettingsUI::GetPermissionIcon(permission);
icon_->SetImage(image.ToImageSkia());
// Update the menu button text to reflect the new setting.
menu_button_->SetText(WebsiteSettingsUI::PermissionActionToUIString(
permission.type, permission.setting, permission.default_setting,
content_settings::SETTING_SOURCE_USER));
menu_button_->SizeToPreferredSize();
FOR_EACH_OBSERVER(PermissionSelectorViewObserver,
observer_list_,
OnPermissionChanged(permission));
}
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