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// Copyright (c) 2013 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/extensions/extension_message_bubble_view.h"
#include <utility>
#include "base/location.h"
#include "base/single_thread_task_runner.h"
#include "base/strings/utf_string_conversions.h"
#include "base/thread_task_runner_handle.h"
#include "chrome/browser/extensions/extension_message_bubble_controller.h"
#include "chrome/browser/ui/view_ids.h"
#include "chrome/grit/locale_settings.h"
#include "ui/accessibility/ax_view_state.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/views/controls/button/label_button.h"
#include "ui/views/controls/label.h"
#include "ui/views/controls/link.h"
#include "ui/views/layout/grid_layout.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget.h"
namespace {
// Layout constants.
const int kExtensionListPadding = 10;
const int kInsetBottomRight = 13;
const int kInsetLeft = 14;
const int kInsetTop = 9;
const int kHeadlineMessagePadding = 4;
const int kHeadlineRowPadding = 10;
const int kMessageBubblePadding = 11;
// How long to wait until showing the bubble (in seconds).
int g_bubble_appearance_wait_time = 5;
} // namespace
namespace extensions {
ExtensionMessageBubbleView::ExtensionMessageBubbleView(
views::View* anchor_view,
views::BubbleBorder::Arrow arrow_location,
scoped_ptr<extensions::ExtensionMessageBubbleController> controller)
: BubbleDelegateView(anchor_view, arrow_location),
controller_(std::move(controller)),
anchor_view_(anchor_view),
headline_(NULL),
learn_more_(NULL),
dismiss_button_(NULL),
link_clicked_(false),
action_taken_(false),
weak_factory_(this) {
DCHECK(anchor_view->GetWidget());
set_close_on_deactivate(controller_->CloseOnDeactivate());
set_close_on_esc(true);
// Compensate for built-in vertical padding in the anchor view's image.
set_anchor_view_insets(gfx::Insets(5, 0, 5, 0));
}
void ExtensionMessageBubbleView::Show() {
// Not showing the bubble right away (during startup) has a few benefits:
// We don't have to worry about focus being lost due to the Omnibox (or to
// other things that want focus at startup). This allows Esc to work to close
// the bubble and also solves the keyboard accessibility problem that comes
// with focus being lost (we don't have a good generic mechanism of injecting
// bubbles into the focus cycle). Another benefit of delaying the show is
// that fade-in works (the fade-in isn't apparent if the the bubble appears at
// startup).
base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE, base::Bind(&ExtensionMessageBubbleView::ShowBubble,
weak_factory_.GetWeakPtr()),
base::TimeDelta::FromSeconds(g_bubble_appearance_wait_time));
}
void ExtensionMessageBubbleView::OnWidgetDestroying(views::Widget* widget) {
// To catch Esc, we monitor destroy message. Unless the link has been clicked,
// we assume Dismiss was the action taken.
if (!link_clicked_ && !action_taken_) {
bool closed_on_deactivation = close_reason() == CloseReason::DEACTIVATION;
controller_->OnBubbleDismiss(closed_on_deactivation);
}
}
void ExtensionMessageBubbleView::set_bubble_appearance_wait_time_for_testing(
int time_in_seconds) {
g_bubble_appearance_wait_time = time_in_seconds;
}
////////////////////////////////////////////////////////////////////////////////
// ExtensionMessageBubbleView - private.
ExtensionMessageBubbleView::~ExtensionMessageBubbleView() {}
void ExtensionMessageBubbleView::ShowBubble() {
// Since we delay in showing the bubble, the applicable extension(s) may
// have been removed.
if (controller_->ShouldShow()) {
controller_->OnShown();
GetWidget()->Show();
} else {
GetWidget()->Close();
}
}
void ExtensionMessageBubbleView::Init() {
ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
views::GridLayout* layout = views::GridLayout::CreatePanel(this);
layout->SetInsets(kInsetTop, kInsetLeft,
kInsetBottomRight, kInsetBottomRight);
SetLayoutManager(layout);
ExtensionMessageBubbleController::Delegate* delegate =
controller_->delegate();
const int headline_column_set_id = 0;
views::ColumnSet* top_columns = layout->AddColumnSet(headline_column_set_id);
top_columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::CENTER,
0, views::GridLayout::USE_PREF, 0, 0);
top_columns->AddPaddingColumn(1, 0);
layout->StartRow(0, headline_column_set_id);
headline_ = new views::Label(delegate->GetTitle(),
rb.GetFontList(ui::ResourceBundle::MediumFont));
layout->AddView(headline_);
layout->AddPaddingRow(0, kHeadlineRowPadding);
const int text_column_set_id = 1;
views::ColumnSet* upper_columns = layout->AddColumnSet(text_column_set_id);
upper_columns->AddColumn(
views::GridLayout::LEADING, views::GridLayout::LEADING,
0, views::GridLayout::USE_PREF, 0, 0);
layout->StartRow(0, text_column_set_id);
views::Label* message = new views::Label();
message->SetMultiLine(true);
message->SetHorizontalAlignment(gfx::ALIGN_LEFT);
message->SetText(delegate->GetMessageBody(
anchor_view_->id() == VIEW_ID_BROWSER_ACTION,
controller_->GetExtensionIdList().size()));
message->SizeToFit(views::Widget::GetLocalizedContentsWidth(
IDS_EXTENSION_WIPEOUT_BUBBLE_WIDTH_CHARS));
layout->AddView(message);
if (delegate->ShouldShowExtensionList()) {
const int extension_list_column_set_id = 2;
views::ColumnSet* middle_columns =
layout->AddColumnSet(extension_list_column_set_id);
middle_columns->AddPaddingColumn(0, kExtensionListPadding);
middle_columns->AddColumn(
views::GridLayout::LEADING, views::GridLayout::CENTER,
0, views::GridLayout::USE_PREF, 0, 0);
layout->StartRowWithPadding(0, extension_list_column_set_id,
0, kHeadlineMessagePadding);
views::Label* extensions = new views::Label();
extensions->SetMultiLine(true);
extensions->SetHorizontalAlignment(gfx::ALIGN_LEFT);
extensions->SetText(controller_->GetExtensionListForDisplay());
extensions->SizeToFit(views::Widget::GetLocalizedContentsWidth(
IDS_EXTENSION_WIPEOUT_BUBBLE_WIDTH_CHARS));
layout->AddView(extensions);
}
base::string16 action_button = delegate->GetActionButtonLabel();
const int action_row_column_set_id = 3;
views::ColumnSet* bottom_columns =
layout->AddColumnSet(action_row_column_set_id);
bottom_columns->AddColumn(views::GridLayout::LEADING,
views::GridLayout::CENTER, 0, views::GridLayout::USE_PREF, 0, 0);
bottom_columns->AddPaddingColumn(1, 0);
bottom_columns->AddColumn(views::GridLayout::TRAILING,
views::GridLayout::CENTER, 0, views::GridLayout::USE_PREF, 0, 0);
if (!action_button.empty()) {
bottom_columns->AddColumn(views::GridLayout::TRAILING,
views::GridLayout::CENTER, 0, views::GridLayout::USE_PREF, 0, 0);
}
layout->StartRowWithPadding(0, action_row_column_set_id,
0, kMessageBubblePadding);
learn_more_ = new views::Link(delegate->GetLearnMoreLabel());
learn_more_->set_listener(this);
layout->AddView(learn_more_);
if (!action_button.empty()) {
action_button_ = new views::LabelButton(this, action_button);
action_button_->SetStyle(views::Button::STYLE_BUTTON);
layout->AddView(action_button_);
}
dismiss_button_ = new views::LabelButton(this,
delegate->GetDismissButtonLabel());
dismiss_button_->SetStyle(views::Button::STYLE_BUTTON);
layout->AddView(dismiss_button_);
}
void ExtensionMessageBubbleView::ButtonPressed(views::Button* sender,
const ui::Event& event) {
action_taken_ = true;
if (sender == action_button_) {
controller_->OnBubbleAction();
} else {
DCHECK_EQ(dismiss_button_, sender);
controller_->OnBubbleDismiss(false); // Not closed by deactivation.
}
GetWidget()->Close();
}
void ExtensionMessageBubbleView::LinkClicked(views::Link* source,
int event_flags) {
DCHECK_EQ(learn_more_, source);
link_clicked_ = true;
controller_->OnLinkClicked();
GetWidget()->Close();
}
void ExtensionMessageBubbleView::GetAccessibleState(
ui::AXViewState* state) {
state->role = ui::AX_ROLE_ALERT;
}
void ExtensionMessageBubbleView::ViewHierarchyChanged(
const ViewHierarchyChangedDetails& details) {
if (details.is_add && details.child == this)
NotifyAccessibilityEvent(ui::AX_EVENT_ALERT, true);
}
} // namespace extensions
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