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// 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/views/website_settings/permissions_bubble_view.h"
#include <stddef.h>
#include "base/macros.h"
#include "base/strings/string16.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/views/exclusive_access_bubble_views.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "chrome/browser/ui/views/frame/top_container_view.h"
#include "chrome/browser/ui/views/location_bar/location_bar_view.h"
#include "chrome/browser/ui/views/location_bar/location_icon_view.h"
#include "chrome/browser/ui/views/website_settings/permission_selector_view.h"
#include "chrome/browser/ui/views/website_settings/permission_selector_view_observer.h"
#include "chrome/browser/ui/website_settings/permission_bubble_request.h"
#include "chrome/common/pref_names.h"
#include "chrome/grit/generated_resources.h"
#include "components/prefs/pref_service.h"
#include "components/url_formatter/elide_url.h"
#include "grit/components_strings.h"
#include "ui/accessibility/ax_view_state.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/models/combobox_model.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/color_palette.h"
#include "ui/gfx/paint_vector_icon.h"
#include "ui/gfx/text_constants.h"
#include "ui/gfx/vector_icons_public.h"
#include "ui/views/bubble/bubble_delegate.h"
#include "ui/views/bubble/bubble_frame_view.h"
#include "ui/views/controls/button/checkbox.h"
#include "ui/views/controls/button/label_button.h"
#include "ui/views/controls/button/label_button_border.h"
#include "ui/views/controls/button/menu_button.h"
#include "ui/views/controls/button/menu_button_listener.h"
#include "ui/views/controls/combobox/combobox.h"
#include "ui/views/controls/combobox/combobox_listener.h"
#include "ui/views/controls/label.h"
#include "ui/views/controls/menu/menu_runner.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/layout/grid_layout.h"
#include "ui/views/layout/layout_constants.h"
namespace {
// Spacing between major items should be 9px.
const int kItemMajorSpacing = 9;
// Button border size, draws inside the spacing distance.
const int kButtonBorderSize = 2;
// (Square) pixel size of icon.
const int kIconSize = 18;
} // namespace
// This class is a MenuButton which is given a PermissionMenuModel. It
// shows the current checked item in the menu model, and notifies its listener
// about any updates to the state of the selection.
// TODO(gbillock): refactor PermissionMenuButton to work like this and re-use?
class PermissionCombobox : public views::MenuButton,
public views::MenuButtonListener {
public:
// Get notifications when the selection changes.
class Listener {
public:
virtual void PermissionSelectionChanged(int index, bool allowed) = 0;
};
PermissionCombobox(Listener* listener,
int index,
const GURL& url,
ContentSetting setting);
~PermissionCombobox() override;
int index() const { return index_; }
void GetAccessibleState(ui::AXViewState* state) override;
// MenuButtonListener:
void OnMenuButtonClicked(views::MenuButton* source,
const gfx::Point& point,
const ui::Event* event) override;
// Callback when a permission's setting is changed.
void PermissionChanged(const WebsiteSettingsUI::PermissionInfo& permission);
private:
int index_;
Listener* listener_;
scoped_ptr<PermissionMenuModel> model_;
scoped_ptr<views::MenuRunner> menu_runner_;
};
PermissionCombobox::PermissionCombobox(Listener* listener,
int index,
const GURL& url,
ContentSetting setting)
: MenuButton(base::string16(), this, true),
index_(index),
listener_(listener),
model_(new PermissionMenuModel(
url,
setting,
base::Bind(&PermissionCombobox::PermissionChanged,
base::Unretained(this)))) {
SetText(model_->GetLabelAt(model_->GetIndexOfCommandId(setting)));
SizeToPreferredSize();
}
PermissionCombobox::~PermissionCombobox() {}
void PermissionCombobox::GetAccessibleState(ui::AXViewState* state) {
MenuButton::GetAccessibleState(state);
state->value = GetText();
}
void PermissionCombobox::OnMenuButtonClicked(views::MenuButton* source,
const gfx::Point& point,
const ui::Event* event) {
menu_runner_.reset(
new views::MenuRunner(model_.get(), views::MenuRunner::HAS_MNEMONICS));
gfx::Point p(point);
p.Offset(-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;
}
}
void PermissionCombobox::PermissionChanged(
const WebsiteSettingsUI::PermissionInfo& permission) {
SetText(model_->GetLabelAt(model_->GetIndexOfCommandId(permission.setting)));
SizeToPreferredSize();
listener_->PermissionSelectionChanged(
index_, permission.setting == CONTENT_SETTING_ALLOW);
}
///////////////////////////////////////////////////////////////////////////////
// View implementation for the permissions bubble.
class PermissionsBubbleDelegateView : public views::BubbleDelegateView,
public views::ButtonListener,
public PermissionCombobox::Listener {
public:
PermissionsBubbleDelegateView(
views::View* anchor_view,
views::BubbleBorder::Arrow anchor_arrow,
PermissionBubbleViewViews* owner,
const std::string& languages,
const std::vector<PermissionBubbleRequest*>& requests,
const std::vector<bool>& accept_state);
~PermissionsBubbleDelegateView() override;
void Close();
void SizeToContents();
// BubbleDelegateView:
bool ShouldShowCloseButton() const override;
bool ShouldShowWindowTitle() const override;
const gfx::FontList& GetTitleFontList() const override;
base::string16 GetWindowTitle() const override;
void OnWidgetDestroying(views::Widget* widget) override;
gfx::Size GetPreferredSize() const override;
void GetAccessibleState(ui::AXViewState* state) override;
// ButtonListener:
void ButtonPressed(views::Button* button, const ui::Event& event) override;
// PermissionCombobox::Listener:
void PermissionSelectionChanged(int index, bool allowed) override;
// Updates the anchor's arrow and view. Also repositions the bubble so it's
// displayed in the correct location.
void UpdateAnchor(views::View* anchor_view,
views::BubbleBorder::Arrow anchor_arrow);
private:
PermissionBubbleViewViews* owner_;
views::Button* allow_;
views::Button* deny_;
base::string16 display_origin_;
scoped_ptr<PermissionMenuModel> menu_button_model_;
std::vector<PermissionCombobox*> customize_comboboxes_;
DISALLOW_COPY_AND_ASSIGN(PermissionsBubbleDelegateView);
};
PermissionsBubbleDelegateView::PermissionsBubbleDelegateView(
views::View* anchor_view,
views::BubbleBorder::Arrow anchor_arrow,
PermissionBubbleViewViews* owner,
const std::string& languages,
const std::vector<PermissionBubbleRequest*>& requests,
const std::vector<bool>& accept_state)
: views::BubbleDelegateView(anchor_view, anchor_arrow),
owner_(owner),
allow_(nullptr),
deny_(nullptr) {
DCHECK(!requests.empty());
set_close_on_esc(true);
set_close_on_deactivate(false);
SetLayoutManager(new views::BoxLayout(views::BoxLayout::kVertical, 0, 0,
kItemMajorSpacing));
display_origin_ = url_formatter::FormatUrlForSecurityDisplay(
requests[0]->GetOrigin(), languages);
ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
for (size_t index = 0; index < requests.size(); index++) {
DCHECK(index < accept_state.size());
// The row is laid out containing a leading-aligned label area and a
// trailing column which will be filled if there are multiple permission
// requests.
views::View* row = new views::View();
views::GridLayout* row_layout = new views::GridLayout(row);
row->SetLayoutManager(row_layout);
views::ColumnSet* columns = row_layout->AddColumnSet(0);
columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL,
0, views::GridLayout::USE_PREF, 0, 0);
columns->AddColumn(views::GridLayout::TRAILING, views::GridLayout::FILL,
100, views::GridLayout::USE_PREF, 0, 0);
row_layout->StartRow(0, 0);
views::View* label_container = new views::View();
label_container->SetLayoutManager(new views::BoxLayout(
views::BoxLayout::kHorizontal, views::kCheckboxIndent, 0,
views::kItemLabelSpacing));
views::ImageView* icon = new views::ImageView();
gfx::VectorIconId vector_id = requests[index]->GetVectorIconId();
if (vector_id != gfx::VectorIconId::VECTOR_ICON_NONE) {
icon->SetImage(
gfx::CreateVectorIcon(vector_id, kIconSize, gfx::kChromeIconGrey));
} else {
icon->SetImage(bundle.GetImageSkiaNamed(requests.at(index)->GetIconId()));
icon->SetImageSize(gfx::Size(kIconSize, kIconSize));
}
icon->SetTooltipText(base::string16()); // Redundant with the text fragment
label_container->AddChildView(icon);
views::Label* label =
new views::Label(requests.at(index)->GetMessageTextFragment());
label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
label_container->AddChildView(label);
row_layout->AddView(label_container);
if (requests.size() > 1) {
PermissionCombobox* combobox = new PermissionCombobox(
this, index, requests[index]->GetOrigin(),
accept_state[index] ? CONTENT_SETTING_ALLOW : CONTENT_SETTING_BLOCK);
row_layout->AddView(combobox);
customize_comboboxes_.push_back(combobox);
} else {
row_layout->AddView(new views::View());
}
AddChildView(row);
}
views::View* button_row = new views::View();
views::GridLayout* button_layout = new views::GridLayout(button_row);
views::ColumnSet* columns = button_layout->AddColumnSet(0);
button_row->SetLayoutManager(button_layout);
AddChildView(button_row);
// For multiple permissions: just an "OK" button.
if (requests.size() > 1) {
columns->AddColumn(views::GridLayout::TRAILING, views::GridLayout::FILL,
100, views::GridLayout::USE_PREF, 0, 0);
button_layout->StartRowWithPadding(0, 0, 0, 4);
views::LabelButton* ok_button =
new views::LabelButton(this, l10n_util::GetStringUTF16(IDS_OK));
ok_button->SetStyle(views::Button::STYLE_BUTTON);
button_layout->AddView(ok_button);
allow_ = ok_button;
return;
}
// For a single permission: lay out the Deny/Allow buttons.
columns->AddColumn(views::GridLayout::TRAILING, views::GridLayout::FILL,
100, views::GridLayout::USE_PREF, 0, 0);
columns->AddPaddingColumn(0, kItemMajorSpacing - (2*kButtonBorderSize));
columns->AddColumn(views::GridLayout::TRAILING, views::GridLayout::FILL,
0, views::GridLayout::USE_PREF, 0, 0);
button_layout->StartRow(0, 0);
base::string16 allow_text = l10n_util::GetStringUTF16(IDS_PERMISSION_ALLOW);
views::LabelButton* allow_button = new views::LabelButton(this, allow_text);
allow_button->SetStyle(views::Button::STYLE_BUTTON);
button_layout->AddView(allow_button);
allow_ = allow_button;
base::string16 deny_text = l10n_util::GetStringUTF16(IDS_PERMISSION_DENY);
views::LabelButton* deny_button = new views::LabelButton(this, deny_text);
deny_button->SetStyle(views::Button::STYLE_BUTTON);
button_layout->AddView(deny_button);
deny_ = deny_button;
}
PermissionsBubbleDelegateView::~PermissionsBubbleDelegateView() {
if (owner_)
owner_->Closing();
}
void PermissionsBubbleDelegateView::Close() {
owner_ = nullptr;
GetWidget()->Close();
}
bool PermissionsBubbleDelegateView::ShouldShowCloseButton() const {
return true;
}
bool PermissionsBubbleDelegateView::ShouldShowWindowTitle() const {
return true;
}
const gfx::FontList& PermissionsBubbleDelegateView::GetTitleFontList() const {
ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
return rb.GetFontList(ui::ResourceBundle::BaseFont);
}
base::string16 PermissionsBubbleDelegateView::GetWindowTitle() const {
return l10n_util::GetStringFUTF16(IDS_PERMISSIONS_BUBBLE_PROMPT,
display_origin_);
}
void PermissionsBubbleDelegateView::SizeToContents() {
BubbleDelegateView::SizeToContents();
}
void PermissionsBubbleDelegateView::OnWidgetDestroying(views::Widget* widget) {
views::BubbleDelegateView::OnWidgetDestroying(widget);
if (owner_) {
owner_->Closing();
owner_ = nullptr;
}
}
gfx::Size PermissionsBubbleDelegateView::GetPreferredSize() const {
// TODO(estade): bubbles should default to this width.
const int kWidth = 320 - GetInsets().width();
return gfx::Size(kWidth, GetHeightForWidth(kWidth));
}
void PermissionsBubbleDelegateView::GetAccessibleState(ui::AXViewState* state) {
views::BubbleDelegateView::GetAccessibleState(state);
state->role = ui::AX_ROLE_ALERT_DIALOG;
}
void PermissionsBubbleDelegateView::ButtonPressed(views::Button* button,
const ui::Event& event) {
if (!owner_)
return;
if (button == allow_)
owner_->Accept();
else if (button == deny_)
owner_->Deny();
}
void PermissionsBubbleDelegateView::PermissionSelectionChanged(
int index, bool allowed) {
owner_->Toggle(index, allowed);
}
void PermissionsBubbleDelegateView::UpdateAnchor(
views::View* anchor_view,
views::BubbleBorder::Arrow anchor_arrow) {
if (GetAnchorView() == anchor_view && arrow() == anchor_arrow)
return;
set_arrow(anchor_arrow);
// Update the border in the bubble: will either add or remove the arrow.
views::BubbleFrameView* frame =
views::BubbleDelegateView::GetBubbleFrameView();
views::BubbleBorder::Arrow adjusted_arrow = anchor_arrow;
if (base::i18n::IsRTL())
adjusted_arrow = views::BubbleBorder::horizontal_mirror(adjusted_arrow);
frame->SetBubbleBorder(scoped_ptr<views::BubbleBorder>(
new views::BubbleBorder(adjusted_arrow, shadow(), color())));
// Reposition the bubble based on the updated arrow and view.
SetAnchorView(anchor_view);
}
//////////////////////////////////////////////////////////////////////////////
// PermissionBubbleViewViews
PermissionBubbleViewViews::PermissionBubbleViewViews(Browser* browser)
: browser_(browser),
delegate_(nullptr),
bubble_delegate_(nullptr) {
DCHECK(browser);
}
PermissionBubbleViewViews::~PermissionBubbleViewViews() {
}
// static
scoped_ptr<PermissionBubbleView> PermissionBubbleView::Create(
Browser* browser) {
return make_scoped_ptr(new PermissionBubbleViewViews(browser));
}
views::View* PermissionBubbleViewViews::GetAnchorView() {
BrowserView* browser_view = BrowserView::GetBrowserViewForBrowser(browser_);
if (browser_->SupportsWindowFeature(Browser::FEATURE_LOCATIONBAR))
return browser_view->GetLocationBarView()->location_icon_view();
if (browser_view->IsFullscreenBubbleVisible())
return browser_view->exclusive_access_bubble()->GetView();
return browser_view->top_container();
}
views::BubbleBorder::Arrow PermissionBubbleViewViews::GetAnchorArrow() {
if (browser_->SupportsWindowFeature(Browser::FEATURE_LOCATIONBAR))
return views::BubbleBorder::TOP_LEFT;
return views::BubbleBorder::NONE;
}
void PermissionBubbleViewViews::SetDelegate(Delegate* delegate) {
delegate_ = delegate;
}
void PermissionBubbleViewViews::Show(
const std::vector<PermissionBubbleRequest*>& requests,
const std::vector<bool>& values) {
if (bubble_delegate_)
bubble_delegate_->Close();
bubble_delegate_ =
new PermissionsBubbleDelegateView(
GetAnchorView(), GetAnchorArrow(), this,
browser_->profile()->GetPrefs()->GetString(prefs::kAcceptLanguages),
requests, values);
// Set |parent_window| because some valid anchors can become hidden.
views::Widget* widget = views::Widget::GetWidgetForNativeWindow(
browser_->window()->GetNativeWindow());
bubble_delegate_->set_parent_window(widget->GetNativeView());
views::BubbleDelegateView::CreateBubble(bubble_delegate_)->Show();
bubble_delegate_->SizeToContents();
}
bool PermissionBubbleViewViews::CanAcceptRequestUpdate() {
return !(bubble_delegate_ && bubble_delegate_->IsMouseHovered());
}
void PermissionBubbleViewViews::Hide() {
if (bubble_delegate_) {
bubble_delegate_->Close();
bubble_delegate_ = nullptr;
}
}
bool PermissionBubbleViewViews::IsVisible() {
return bubble_delegate_ != nullptr;
}
void PermissionBubbleViewViews::UpdateAnchorPosition() {
if (IsVisible())
bubble_delegate_->UpdateAnchor(GetAnchorView(), GetAnchorArrow());
}
gfx::NativeWindow PermissionBubbleViewViews::GetNativeWindow() {
if (bubble_delegate_ && bubble_delegate_->GetWidget())
return bubble_delegate_->GetWidget()->GetNativeWindow();
return nullptr;
}
void PermissionBubbleViewViews::Closing() {
if (bubble_delegate_)
bubble_delegate_ = nullptr;
if (delegate_)
delegate_->Closing();
}
void PermissionBubbleViewViews::Toggle(int index, bool value) {
if (delegate_)
delegate_->ToggleAccept(index, value);
}
void PermissionBubbleViewViews::Accept() {
if (delegate_)
delegate_->Accept();
}
void PermissionBubbleViewViews::Deny() {
if (delegate_)
delegate_->Deny();
}
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