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chromium / chromium / src / 630d591ccef3a59da37409c5730e123501f95e0d / . / chrome / browser / ui / views / download / download_item_view.cc
blob: b72dfabcc98e648f72960eda2f2fbd6777902178 [file] [log] [blame]
// 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/download/download_item_view.h"
#include <stddef.h>
#include <algorithm>
#include <vector>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/callback.h"
#include "base/feature_list.h"
#include "base/files/file_path.h"
#include "base/i18n/break_iterator.h"
#include "base/i18n/rtl.h"
#include "base/macros.h"
#include "base/metrics/histogram_macros.h"
#include "base/single_thread_task_runner.h"
#include "base/strings/string_util.h"
#include "base/strings/sys_string_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/thread_task_runner_handle.h"
#include "build/build_config.h"
#include "chrome/app/vector_icons/vector_icons.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/download/chrome_download_manager_delegate.h"
#include "chrome/browser/download/download_item_model.h"
#include "chrome/browser/download/download_stats.h"
#include "chrome/browser/download/drag_download_item.h"
#include "chrome/browser/icon_loader.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/safe_browsing/advanced_protection_status_manager.h"
#include "chrome/browser/safe_browsing/advanced_protection_status_manager_factory.h"
#include "chrome/browser/safe_browsing/download_protection/download_feedback_service.h"
#include "chrome/browser/safe_browsing/download_protection/download_protection_service.h"
#include "chrome/browser/safe_browsing/safe_browsing_service.h"
#include "chrome/browser/themes/theme_properties.h"
#include "chrome/browser/ui/tab_modal_confirm_dialog.h"
#include "chrome/browser/ui/views/chrome_typography.h"
#include "chrome/browser/ui/views/download/download_shelf_context_menu_view.h"
#include "chrome/browser/ui/views/download/download_shelf_view.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "chrome/browser/ui/views/safe_browsing/deep_scanning_modal_dialog.h"
#include "chrome/common/pref_names.h"
#include "chrome/grit/generated_resources.h"
#include "components/download/public/common/download_danger_type.h"
#include "components/download/public/common/download_item.h"
#include "components/prefs/pref_service.h"
#include "components/safe_browsing/buildflags.h"
#include "components/safe_browsing/core/common/safe_browsing_prefs.h"
#include "components/safe_browsing/core/features.h"
#include "components/url_formatter/elide_url.h"
#include "components/vector_icons/vector_icons.h"
#include "content/public/browser/download_item_utils.h"
#include "third_party/icu/source/common/unicode/uchar.h"
#include "ui/accessibility/ax_node_data.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/l10n/time_format.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/text/bytes_formatting.h"
#include "ui/base/theme_provider.h"
#include "ui/events/event.h"
#include "ui/gfx/animation/slide_animation.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/color_palette.h"
#include "ui/gfx/color_utils.h"
#include "ui/gfx/image/image.h"
#include "ui/gfx/image/image_skia_operations.h"
#include "ui/gfx/paint_vector_icon.h"
#include "ui/gfx/range/range.h"
#include "ui/gfx/text_elider.h"
#include "ui/gfx/text_utils.h"
#include "ui/native_theme/native_theme.h"
#include "ui/views/accessibility/view_accessibility.h"
#include "ui/views/animation/flood_fill_ink_drop_ripple.h"
#include "ui/views/animation/ink_drop_highlight.h"
#include "ui/views/animation/ink_drop_impl.h"
#include "ui/views/border.h"
#include "ui/views/controls/button/image_button.h"
#include "ui/views/controls/button/image_button_factory.h"
#include "ui/views/controls/button/md_text_button.h"
#include "ui/views/controls/highlight_path_generator.h"
#include "ui/views/controls/label.h"
#include "ui/views/controls/styled_label.h"
#include "ui/views/mouse_constants.h"
#include "ui/views/style/typography.h"
#include "ui/views/view_class_properties.h"
#include "ui/views/widget/root_view.h"
#include "ui/views/widget/widget.h"
using download::DownloadItem;
namespace {
// The vertical distance between the item's visual upper bound (as delineated
// by the separator on the right) and the edge of the shelf.
constexpr int kTopBottomPadding = 6;
// The minimum vertical padding above and below contents of the download item.
// This is only used when the text size is large.
constexpr int kMinimumVerticalPadding = 2 + kTopBottomPadding;
// The normal height of the item which may be exceeded if text is large.
constexpr int kDefaultDownloadItemHeight = 48;
// Amount of time between accessible alert events.
constexpr auto kAccessibleAlertInterval = base::TimeDelta::FromSeconds(30);
// The size of the file icon.
constexpr int kFileIconSize = 24;
// The offset from the file icon to the danger icon.
constexpr int kDangerIconOffset = 8;
// The separator is drawn as a border. It's one dp wide.
class SeparatorBorder : public views::Border {
public:
explicit SeparatorBorder(SkColor separator_color)
: separator_color_(separator_color) {}
~SeparatorBorder() override {}
void Paint(const views::View& view, gfx::Canvas* canvas) override {
// The FocusRing replaces the separator border when we have focus.
if (view.HasFocus())
return;
int end_x = base::i18n::IsRTL() ? 0 : view.width() - 1;
canvas->DrawLine(gfx::Point(end_x, kTopBottomPadding),
gfx::Point(end_x, view.height() - kTopBottomPadding),
separator_color_);
}
gfx::Insets GetInsets() const override { return gfx::Insets(0, 0, 0, 1); }
gfx::Size GetMinimumSize() const override {
return gfx::Size(1, 2 * kTopBottomPadding + 1);
}
private:
SkColor separator_color_;
DISALLOW_COPY_AND_ASSIGN(SeparatorBorder);
};
base::string16 SplitStringWithNewLineAtPosition(const base::string16& text,
size_t pos) {
base::string16 new_text = text;
// This can be a low surrogate codepoint, but u_isUWhiteSpace will
// return false and inserting a new line after a surrogate pair
// is perfectly ok.
base::char16 line_end_char = text[pos - 1];
if (u_isUWhiteSpace(line_end_char))
new_text.replace(pos - 1, 1, 1, base::char16('\n'));
else
new_text.insert(pos, 1, base::char16('\n'));
return new_text;
}
// A stub subclass of Button that has no visuals.
class TransparentButton : public views::Button {
public:
explicit TransparentButton(views::ButtonListener* listener)
: Button(listener) {
SetFocusForPlatform();
views::InstallRectHighlightPathGenerator(this);
SetInkDropMode(InkDropMode::ON);
}
~TransparentButton() override {}
// Button subclasses need to provide this because the default color is
// kPlaceholderColor. In theory we could statically compute it in the
// constructor but then it won't be correct after dark mode changes, and to
// deal with that this class would have to observe NativeTheme and so on.
SkColor GetInkDropBaseColor() const override {
// This button will be used like a LabelButton, so use the same foreground
// base color as a label button.
return color_utils::DeriveDefaultIconColor(GetNativeTheme()->GetSystemColor(
ui::NativeTheme::kColorId_LabelEnabledColor));
}
const char* GetClassName() const override { return "TransparentButton"; }
// Forward dragging and capture loss events, since this class doesn't have
// enough context to handle them. Let the button class manage visual
// transitions.
bool OnMouseDragged(const ui::MouseEvent& event) override {
Button::OnMouseDragged(event);
return parent()->OnMouseDragged(event);
}
void OnMouseCaptureLost() override {
parent()->OnMouseCaptureLost();
Button::OnMouseCaptureLost();
}
base::string16 GetTooltipText(const gfx::Point& point) const override {
return parent()->GetTooltipText(point);
}
};
} // namespace
DownloadItemView::DownloadItemView(DownloadUIModel::DownloadUIModelPtr download,
DownloadShelfView* parent,
views::View* accessible_alert)
: AnimationDelegateViews(this),
shelf_(parent),
dropdown_state_(NORMAL),
mode_(NORMAL_MODE),
dragging_(false),
starting_drag_(false),
model_(std::move(download)),
save_button_(nullptr),
discard_button_(nullptr),
dangerous_download_label_(nullptr),
dangerous_download_label_sized_(false),
creation_time_(base::Time::Now()),
time_download_warning_shown_(base::Time()),
accessible_alert_(accessible_alert),
announce_accessible_alert_soon_(false),
deep_scanning_label_(nullptr),
open_now_button_(nullptr) {
views::InstallRectHighlightPathGenerator(this);
model_->AddObserver(this);
ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
font_list_ = rb.GetFontListWithDelta(1);
status_font_list_ = rb.GetFontListWithDelta(-2);
auto open_button = std::make_unique<TransparentButton>(this);
open_button->set_context_menu_controller(this);
open_button_ = AddChildView(std::move(open_button));
int file_name_style = views::style::STYLE_PRIMARY;
#if !defined(OS_LINUX)
if (base::FeatureList::IsEnabled(safe_browsing::kUseNewDownloadWarnings))
file_name_style = STYLE_EMPHASIZED;
#endif
auto file_name_label = std::make_unique<views::Label>(
ElidedFilename(), views::style::CONTEXT_LABEL, file_name_style);
file_name_label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
file_name_label->GetViewAccessibility().OverrideIsIgnored(true);
file_name_label_ = AddChildView(std::move(file_name_label));
auto status_label = std::make_unique<views::Label>(
l10n_util::GetStringUTF16(IDS_DOWNLOAD_STATUS_STARTING));
status_label->SetFontList(status_font_list_);
status_label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
status_label->GetViewAccessibility().OverrideIsIgnored(true);
status_label_ = AddChildView(std::move(status_label));
auto dropdown_button = views::CreateVectorImageButton(this);
dropdown_button->SetAccessibleName(l10n_util::GetStringUTF16(
IDS_DOWNLOAD_ITEM_DROPDOWN_BUTTON_ACCESSIBLE_TEXT));
dropdown_button->SetBorder(views::CreateEmptyBorder(gfx::Insets(10)));
dropdown_button->set_has_ink_drop_action_on_click(false);
dropdown_button->SetFocusForPlatform();
dropdown_button_ = AddChildView(std::move(dropdown_button));
LoadIcon();
OnDownloadUpdated();
SetDropdownState(NORMAL);
UpdateColorsFromTheme();
}
DownloadItemView::~DownloadItemView() {
StopDownloadProgress();
model_->RemoveObserver(this);
}
// Progress animation handlers.
void DownloadItemView::StartDownloadProgress() {
if (progress_timer_.IsRunning())
return;
progress_start_time_ = base::TimeTicks::Now();
progress_timer_.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(30),
base::Bind(&DownloadItemView::ProgressTimerFired,
base::Unretained(this)));
}
void DownloadItemView::StopDownloadProgress() {
accessible_alert_timer_.AbandonAndStop();
if (!progress_timer_.IsRunning())
return;
previous_progress_elapsed_ += base::TimeTicks::Now() - progress_start_time_;
progress_start_time_ = base::TimeTicks();
progress_timer_.Stop();
}
// static
SkColor DownloadItemView::GetTextColorForThemeProvider(
const ui::ThemeProvider* theme) {
return theme ? theme->GetColor(ThemeProperties::COLOR_BOOKMARK_TEXT)
: gfx::kPlaceholderColor;
}
void DownloadItemView::OnExtractIconComplete(IconLoader::IconSize icon_size,
gfx::Image icon_bitmap) {
if (!icon_bitmap.IsEmpty()) {
if (icon_size == IconLoader::IconSize::NORMAL) {
// We want a 24x24 icon, but on Windows only 16x16 and 32x32 are
// available. So take the NORMAL icon and downsize it.
icon_ = gfx::ImageSkiaOperations::CreateResizedImage(
*icon_bitmap.ToImageSkia(), skia::ImageOperations::RESIZE_BEST,
gfx::Size(kFileIconSize, kFileIconSize));
}
shelf_->SchedulePaint();
}
}
void DownloadItemView::MaybeSubmitDownloadToFeedbackService(
DownloadCommands::Command download_command) {
if (model_->ShouldAllowDownloadFeedback() &&
SubmitDownloadToFeedbackService(download_command)) {
} else {
DownloadCommands(model_.get()).ExecuteCommand(download_command);
}
}
// DownloadObserver interface.
// Update the progress graphic on the icon and our text status label
// to reflect our current bytes downloaded, time remaining.
// Also updates the accessible status view for screen reader users.
void DownloadItemView::OnDownloadUpdated() {
if (!model_->ShouldShowInShelf()) {
shelf_->RemoveDownloadView(this); // This will delete us!
return;
}
bool is_danger_type_async_scanning =
(model_->GetDangerType() ==
download::DOWNLOAD_DANGER_TYPE_ASYNC_SCANNING);
if (model_->IsDangerous()) {
if (!IsShowingWarningDialog())
TransitionToWarningDialog();
} else if (is_danger_type_async_scanning &&
model_->GetState() != DownloadItem::CANCELLED) {
if (!IsShowingDeepScanning())
TransitionToDeepScanningDialog();
if (should_open_while_scanning_ &&
model_->GetState() == DownloadItem::COMPLETE) {
should_open_while_scanning_ = false;
model_->OpenDownload();
}
} else {
TransitionToNormalMode();
}
if (model_->GetState() == DownloadItem::COMPLETE &&
model_->ShouldRemoveFromShelfWhenComplete()) {
shelf_->RemoveDownloadView(this); // This will delete us!
return;
}
base::string16 new_tip = model_->GetTooltipText(font_list_, kTooltipMaxWidth);
if (new_tip != tooltip_text_) {
tooltip_text_ = new_tip;
TooltipTextChanged();
}
UpdateAccessibleName();
}
void DownloadItemView::TransitionToNormalMode() {
if (IsShowingDeepScanning())
ClearDeepScanningDialog();
if (IsShowingWarningDialog())
ClearWarningDialog();
status_label_->SetText(GetStatusText());
status_label_->GetViewAccessibility().OverrideIsIgnored(
status_label_->GetText().empty());
AdjustTextAndGetSize(status_label_,
base::BindRepeating(&views::Label::SetText));
file_name_label_->SetY(GetYForFilenameText());
switch (model_->GetState()) {
case DownloadItem::IN_PROGRESS:
// No need to send accessible alert for "paused", as the button ends
// up being refocused in the actual use case, and the name of the
// button reports that the download has been paused.
// Reset the status counter so that user receives immediate feedback
// once the download is resumed.
if (!model_->IsPaused())
UpdateAccessibleAlert(GetInProgressAccessibleAlertText(), false);
model_->IsPaused() ? StopDownloadProgress() : StartDownloadProgress();
LoadIconIfItemPathChanged();
break;
case DownloadItem::INTERRUPTED:
model_->GetFileNameToReportUser().LossyDisplayName();
UpdateAccessibleAlert(
l10n_util::GetStringFUTF16(
IDS_DOWNLOAD_FAILED_ACCESSIBLE_ALERT,
model_->GetFileNameToReportUser().LossyDisplayName()),
true);
StopDownloadProgress();
complete_animation_ = std::make_unique<gfx::SlideAnimation>(this);
complete_animation_->SetSlideDuration(
base::TimeDelta::FromMilliseconds(2500));
complete_animation_->SetTweenType(gfx::Tween::LINEAR);
complete_animation_->Show();
LoadIcon();
break;
case DownloadItem::COMPLETE:
UpdateAccessibleAlert(
l10n_util::GetStringFUTF16(
IDS_DOWNLOAD_COMPLETE_ACCESSIBLE_ALERT,
model_->GetFileNameToReportUser().LossyDisplayName()),
true);
StopDownloadProgress();
complete_animation_ = std::make_unique<gfx::SlideAnimation>(this);
complete_animation_->SetSlideDuration(
base::TimeDelta::FromMilliseconds(2500));
complete_animation_->SetTweenType(gfx::Tween::LINEAR);
complete_animation_->Show();
LoadIcon();
break;
case DownloadItem::CANCELLED:
UpdateAccessibleAlert(
l10n_util::GetStringFUTF16(
IDS_DOWNLOAD_CANCELLED_ACCESSIBLE_ALERT,
model_->GetFileNameToReportUser().LossyDisplayName()),
true);
StopDownloadProgress();
if (complete_animation_)
complete_animation_->Stop();
LoadIcon();
break;
default:
NOTREACHED();
}
// Force the shelf to layout as our size may have changed.
shelf_->Layout();
shelf_->SchedulePaint();
}
void DownloadItemView::OnDownloadDestroyed() {
shelf_->RemoveDownloadView(this); // This will delete us!
}
void DownloadItemView::OnDownloadOpened() {
// First, Calculate the download status opening string width.
base::string16 status_string =
l10n_util::GetStringFUTF16(IDS_DOWNLOAD_STATUS_OPENING, base::string16());
int status_string_width = gfx::GetStringWidth(status_string, font_list_);
// Then, elide the file name.
base::string16 filename_string =
gfx::ElideFilename(model_->GetFileNameToReportUser(), font_list_,
kTextWidth - status_string_width);
// Last, concat the whole string to be set on the label.
file_name_label_->SetText(
l10n_util::GetStringFUTF16(IDS_DOWNLOAD_STATUS_OPENING, filename_string));
SetEnabled(false);
base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE,
base::BindOnce(&DownloadItemView::Reenable,
weak_ptr_factory_.GetWeakPtr()),
base::TimeDelta::FromSeconds(3));
// Notify our parent.
shelf_->OpenedDownload();
}
// View overrides
// In dangerous mode we have to layout our buttons.
void DownloadItemView::Layout() {
View::Layout();
UpdateColorsFromTheme();
open_button_->SetBoundsRect(GetLocalBounds());
if (IsShowingWarningDialog()) {
gfx::Point child_origin(
kStartPadding + GetWarningIconSize() + kStartPadding,
(height() - dangerous_download_label_->height()) / 2);
dangerous_download_label_->SetPosition(child_origin);
child_origin.Offset(dangerous_download_label_->width() + kLabelPadding, 0);
gfx::Size button_size = GetButtonSize();
child_origin.set_y((height() - button_size.height()) / 2);
if (save_button_) {
save_button_->SetBoundsRect(gfx::Rect(child_origin, button_size));
child_origin.Offset(button_size.width() + kSaveDiscardButtonPadding, 0);
}
if (discard_button_)
discard_button_->SetBoundsRect(gfx::Rect(child_origin, button_size));
} else if (IsShowingDeepScanning()) {
gfx::Point child_origin(
kStartPadding + GetWarningIconSize() + kStartPadding,
(height() - deep_scanning_label_->height()) / 2);
deep_scanning_label_->SetPosition(child_origin);
if (open_now_button_) {
child_origin.set_y(
(height() - open_now_button_->GetPreferredSize().height()) / 2);
child_origin.Offset(deep_scanning_label_->width() + kLabelPadding, 0);
open_now_button_->SetBoundsRect(
gfx::Rect(child_origin, open_now_button_->GetPreferredSize()));
}
} else {
int mirrored_x = GetMirroredXWithWidthInView(
kStartPadding + DownloadShelf::kProgressIndicatorSize +
kProgressTextPadding,
kTextWidth);
int file_name_y = GetYForFilenameText();
file_name_label_->SetBoundsRect(
gfx::Rect(mirrored_x, file_name_y, kTextWidth, font_list_.GetHeight()));
int status_y =
file_name_y + font_list_.GetBaseline() + kVerticalTextPadding;
status_label_->SetBoundsRect(gfx::Rect(mirrored_x, status_y, kTextWidth,
status_font_list_.GetHeight()));
}
if (mode_ != DANGEROUS_MODE) {
dropdown_button_->SizeToPreferredSize();
dropdown_button_->SetPosition(
gfx::Point(width() - dropdown_button_->width() - kEndPadding,
(height() - dropdown_button_->height()) / 2));
}
}
void DownloadItemView::UpdateDropdownButton() {
views::SetImageFromVectorIcon(
dropdown_button_,
dropdown_state_ == PUSHED ? kCaretDownIcon : kCaretUpIcon,
GetTextColor());
}
gfx::Size DownloadItemView::CalculatePreferredSize() const {
int width = 0;
// We set the height to the height of two rows or text plus margins.
int child_height = font_list_.GetBaseline() + kVerticalTextPadding +
status_font_list_.GetHeight();
if (IsShowingWarningDialog()) {
// Width.
width = kStartPadding + GetWarningIconSize() + kStartPadding +
dangerous_download_label_->width() + kLabelPadding;
gfx::Size button_size = GetButtonSize();
if (save_button_)
width += button_size.width() + kSaveDiscardButtonPadding;
width += button_size.width() + kEndPadding;
// Height: make sure the button fits and the warning icon fits.
child_height =
std::max({child_height, button_size.height(), GetWarningIconSize()});
} else if (IsShowingDeepScanning()) {
width = kStartPadding + GetWarningIconSize() + kStartPadding +
deep_scanning_label_->width() + kLabelPadding;
if (open_now_button_) {
width += open_now_button_->GetPreferredSize().width();
// Height: make sure the button fits and the warning icon fits.
child_height =
std::max({child_height, open_now_button_->GetPreferredSize().height(),
GetWarningIconSize()});
width += kEndPadding;
}
} else {
gfx::Size label_size = file_name_label_->GetPreferredSize();
label_size.SetToMax(status_label_->GetPreferredSize());
width = kStartPadding + DownloadShelf::kProgressIndicatorSize +
kProgressTextPadding + kTextWidth + kEndPadding;
}
if (mode_ != DANGEROUS_MODE)
width += dropdown_button_->GetPreferredSize().width();
return gfx::Size(width, std::max(kDefaultDownloadItemHeight,
2 * kMinimumVerticalPadding + child_height));
}
// Handle drag (file copy) operations.
bool DownloadItemView::OnMouseDragged(const ui::MouseEvent& event) {
// Mouse should not activate us in dangerous mode.
if (IsShowingWarningDialog())
return true;
if (!starting_drag_) {
starting_drag_ = true;
drag_start_point_ = event.location();
}
if (dragging_) {
if (model_->GetState() == DownloadItem::COMPLETE) {
IconManager* im = g_browser_process->icon_manager();
gfx::Image* icon = im->LookupIconFromFilepath(model_->GetTargetFilePath(),
IconLoader::SMALL);
views::Widget* widget = GetWidget();
if (model_->download()) {
// TODO(shaktisahu): Make DragDownloadItem work with a model.
DragDownloadItem(model_->download(), icon,
widget ? widget->GetNativeView() : nullptr);
RecordDownloadShelfDragEvent(DownloadShelfDragEvent::STARTED);
}
}
} else if (ExceededDragThreshold(event.location() - drag_start_point_)) {
dragging_ = true;
}
return true;
}
void DownloadItemView::OnMouseCaptureLost() {
// Mouse should not activate us in dangerous mode.
if (mode_ != NORMAL_MODE)
return;
if (dragging_) {
// Starting a drag results in a MouseCaptureLost.
dragging_ = false;
starting_drag_ = false;
}
}
base::string16 DownloadItemView::GetTooltipText(const gfx::Point& p) const {
return IsShowingWarningDialog() ? base::string16() : tooltip_text_;
}
void DownloadItemView::GetAccessibleNodeData(ui::AXNodeData* node_data) {
node_data->SetName(accessible_name_);
node_data->role = ax::mojom::Role::kGroup;
// Set the description to the empty string, otherwise the tooltip will be
// used, which is redundant with the accessible name.
node_data->SetDescription(base::string16());
}
void DownloadItemView::AddedToWidget() {
// Only required because OnThemeChanged is not called when a View is added to
// a Widget.
UpdateDropdownButton();
}
void DownloadItemView::OnThemeChanged() {
UpdateColorsFromTheme();
SchedulePaint();
UpdateDropdownButton();
}
void DownloadItemView::ShowContextMenuForViewImpl(
View* source,
const gfx::Point& point,
ui::MenuSourceType source_type) {
ShowContextMenuImpl(gfx::Rect(point, gfx::Size()), source_type);
}
void DownloadItemView::ButtonPressed(views::Button* sender,
const ui::Event& event) {
if (sender == open_now_button_) {
OpenDownloadDuringAsyncScanning();
return;
}
if (IsShowingDeepScanning() && sender == open_button_) {
content::WebContents* current_web_contents =
shelf_->browser()->tab_strip_model()->GetActiveWebContents();
open_now_modal_dialog_ = TabModalConfirmDialog::Create(
std::make_unique<safe_browsing::DeepScanningModalDialog>(
current_web_contents,
base::BindOnce(&DownloadItemView::OpenDownloadDuringAsyncScanning,
weak_ptr_factory_.GetWeakPtr())),
current_web_contents);
return;
}
if (sender == dropdown_button_) {
// TODO(estade): this is copied from ToolbarActionView but should be shared
// one way or another.
ui::MenuSourceType type = ui::MENU_SOURCE_NONE;
if (event.IsMouseEvent())
type = ui::MENU_SOURCE_MOUSE;
else if (event.IsKeyEvent())
type = ui::MENU_SOURCE_KEYBOARD;
else if (event.IsGestureEvent())
type = ui::MENU_SOURCE_TOUCH;
SetDropdownState(PUSHED);
ShowContextMenuImpl(dropdown_button_->GetBoundsInScreen(), type);
return;
}
base::TimeDelta warning_duration;
if (!time_download_warning_shown_.is_null())
warning_duration = base::Time::Now() - time_download_warning_shown_;
if (save_button_ && sender == save_button_) {
// The user has confirmed a dangerous download. We'd record how quickly the
// user did this to detect whether we're being clickjacked.
UMA_HISTOGRAM_LONG_TIMES("clickjacking.save_download", warning_duration);
// This will call ValidateDangerousDownload(), change download state and
// notify us.
MaybeSubmitDownloadToFeedbackService(DownloadCommands::KEEP);
return;
}
if (sender == open_button_) {
if (IsShowingWarningDialog())
return;
if (complete_animation_.get() && complete_animation_->is_animating())
complete_animation_->End();
OpenDownload();
return;
}
DCHECK_EQ(discard_button_, sender);
UMA_HISTOGRAM_LONG_TIMES("clickjacking.discard_download", warning_duration);
MaybeSubmitDownloadToFeedbackService(DownloadCommands::DISCARD);
// WARNING: 'this' maybe deleted at this point. Don't access 'this'.
}
void DownloadItemView::AnimationProgressed(const gfx::Animation* animation) {
// We don't care if what animation (body button/drop button/complete),
// is calling back, as they all have to go through the same paint call.
SchedulePaint();
}
void DownloadItemView::OnPaint(gfx::Canvas* canvas) {
// Make sure to draw |this| opaquely. Since the toolbar color can be partially
// transparent, start with a black backdrop (which is the default initialized
// color for opaque canvases).
canvas->DrawColor(SK_ColorBLACK);
canvas->DrawColor(
GetThemeProvider()->GetColor(ThemeProperties::COLOR_DOWNLOAD_SHELF));
DrawIcon(canvas);
OnPaintBorder(canvas);
}
int DownloadItemView::GetYForFilenameText() const {
int text_height = font_list_.GetBaseline();
if (!status_label_->GetText().empty())
text_height += kVerticalTextPadding + status_font_list_.GetBaseline();
return (height() - text_height) / 2;
}
void DownloadItemView::DrawIcon(gfx::Canvas* canvas) {
bool use_new_warnings =
base::FeatureList::IsEnabled(safe_browsing::kUseNewDownloadWarnings);
bool show_warning_icon = IsShowingWarningDialog() || IsShowingDeepScanning();
if (show_warning_icon && !use_new_warnings) {
int icon_x =
(base::i18n::IsRTL() ? width() - GetWarningIconSize() - kStartPadding
: kStartPadding);
int icon_y = (height() - GetWarningIconSize()) / 2;
canvas->DrawImageInt(GetWarningIcon(), icon_x, icon_y);
return;
}
// Paint download progress.
DownloadItem::DownloadState state = model_->GetState();
canvas->Save();
int progress_x =
base::i18n::IsRTL()
? width() - kStartPadding - DownloadShelf::kProgressIndicatorSize
: kStartPadding;
int progress_y = (height() - DownloadShelf::kProgressIndicatorSize) / 2;
canvas->Translate(gfx::Vector2d(progress_x, progress_y));
const gfx::ImageSkia* current_icon = nullptr;
IconManager* im = g_browser_process->icon_manager();
gfx::Image* image_ptr = im->LookupIconFromFilepath(
model_->GetTargetFilePath(), IconLoader::SMALL);
if (image_ptr)
current_icon = image_ptr->ToImageSkia();
if (state == DownloadItem::IN_PROGRESS &&
!(use_new_warnings && show_warning_icon)) {
base::TimeDelta progress_time = previous_progress_elapsed_;
if (!model_->IsPaused())
progress_time += base::TimeTicks::Now() - progress_start_time_;
DownloadShelf::PaintDownloadProgress(
canvas, *GetThemeProvider(), progress_time, model_->PercentComplete());
} else if (complete_animation_.get() && complete_animation_->is_animating()) {
if (state == DownloadItem::INTERRUPTED) {
DownloadShelf::PaintDownloadInterrupted(
canvas, *GetThemeProvider(), complete_animation_->GetCurrentValue());
} else {
DCHECK_EQ(DownloadItem::COMPLETE, state);
DownloadShelf::PaintDownloadComplete(
canvas, *GetThemeProvider(), complete_animation_->GetCurrentValue());
}
} else if (use_new_warnings) {
current_icon = &icon_;
}
canvas->Restore();
if (!current_icon)
return;
// Draw the icon image.
int kFiletypeIconOffset =
(DownloadShelf::kProgressIndicatorSize - current_icon->height()) / 2;
int icon_x = progress_x + kFiletypeIconOffset;
int icon_y = progress_y + kFiletypeIconOffset;
cc::PaintFlags flags;
// Use an alpha to make the image look disabled.
if (!GetEnabled())
flags.setAlpha(120);
canvas->DrawImageInt(*current_icon, icon_x, icon_y, flags);
// Overlay the danger icon if appropriate.
if (show_warning_icon && use_new_warnings) {
int icon_x =
(base::i18n::IsRTL() ? width() - GetWarningIconSize() - kStartPadding
: kStartPadding) +
kDangerIconOffset;
int icon_y = (height() - GetWarningIconSize()) / 2 + kDangerIconOffset;
canvas->DrawImageInt(GetWarningIcon(), icon_x, icon_y);
}
}
void DownloadItemView::OpenDownload() {
DCHECK(!IsShowingWarningDialog());
// We're interested in how long it takes users to open downloads. If they
// open downloads super quickly, we should be concerned about clickjacking.
UMA_HISTOGRAM_LONG_TIMES("clickjacking.open_download",
base::Time::Now() - creation_time_);
// If this is still around for the next status update, it will be read.
announce_accessible_alert_soon_ = true;
// Calling download()->OpenDownload may delete this, so this must be
// the last thing we do.
model_->OpenDownload();
}
bool DownloadItemView::SubmitDownloadToFeedbackService(
DownloadCommands::Command download_command) {
#if BUILDFLAG(FULL_SAFE_BROWSING)
safe_browsing::SafeBrowsingService* sb_service =
g_browser_process->safe_browsing_service();
if (!sb_service)
return false;
safe_browsing::DownloadProtectionService* download_protection_service =
sb_service->download_protection_service();
if (!download_protection_service)
return false;
// TODO(shaktisahu): Enable feedback service for offline item.
if (model_->download()) {
return download_protection_service->MaybeBeginFeedbackForDownload(
shelf_->browser()->profile(), model_->download(), download_command);
}
// WARNING: we are deleted at this point. Don't access 'this'.
return true;
#else
NOTREACHED();
return false;
#endif
}
void DownloadItemView::LoadIcon() {
IconManager* im = g_browser_process->icon_manager();
last_download_item_path_ = model_->GetTargetFilePath();
im->LoadIcon(last_download_item_path_, IconLoader::SMALL,
base::Bind(&DownloadItemView::OnExtractIconComplete,
base::Unretained(this), IconLoader::IconSize::SMALL),
&cancelable_task_tracker_);
im->LoadIcon(last_download_item_path_, IconLoader::NORMAL,
base::Bind(&DownloadItemView::OnExtractIconComplete,
base::Unretained(this), IconLoader::NORMAL),
&cancelable_task_tracker_);
}
void DownloadItemView::LoadIconIfItemPathChanged() {
base::FilePath current_download_path = model_->GetTargetFilePath();
if (last_download_item_path_ == current_download_path)
return;
LoadIcon();
}
void DownloadItemView::UpdateColorsFromTheme() {
if (!GetThemeProvider())
return;
open_button_->SetBorder(
std::make_unique<SeparatorBorder>(GetThemeProvider()->GetColor(
ThemeProperties::COLOR_TOOLBAR_VERTICAL_SEPARATOR)));
// Use a slightly dimmed version of the base text color.
SkColor dimmed_text_color = SkColorSetA(GetTextColor(), 0xC7);
file_name_label_->SetEnabledColor(GetEnabled() ? GetTextColor()
: dimmed_text_color);
if (model_->GetDangerType() ==
download::DOWNLOAD_DANGER_TYPE_DEEP_SCANNED_SAFE) {
status_label_->SetEnabledColor(SK_ColorGREEN);
} else if (model_->GetDangerType() ==
download::DOWNLOAD_DANGER_TYPE_DEEP_SCANNED_OPENED_DANGEROUS) {
status_label_->SetEnabledColor(SK_ColorRED);
} else {
status_label_->SetEnabledColor(dimmed_text_color);
}
SkColor background_color =
GetThemeProvider()->GetColor(ThemeProperties::COLOR_DOWNLOAD_SHELF);
file_name_label_->SetBackgroundColor(background_color);
status_label_->SetBackgroundColor(background_color);
if (save_button_)
shelf_->ConfigureButtonForTheme(save_button_);
if (discard_button_)
shelf_->ConfigureButtonForTheme(discard_button_);
if (open_now_button_)
shelf_->ConfigureButtonForTheme(open_now_button_);
}
void DownloadItemView::ShowContextMenuImpl(const gfx::Rect& rect,
ui::MenuSourceType source_type) {
// Similar hack as in MenuButton.
// We're about to show the menu from a mouse press. By showing from the
// mouse press event we block RootView in mouse dispatching. This also
// appears to cause RootView to get a mouse pressed BEFORE the mouse
// release is seen, which means RootView sends us another mouse press no
// matter where the user pressed. To force RootView to recalculate the
// mouse target during the mouse press we explicitly set the mouse handler
// to null.
static_cast<views::internal::RootView*>(GetWidget()->GetRootView())
->SetMouseHandler(nullptr);
if (!context_menu_.get())
context_menu_ = std::make_unique<DownloadShelfContextMenuView>(this);
context_menu_->Run(GetWidget()->GetTopLevelWidget(), rect, source_type,
base::Bind(&DownloadItemView::ReleaseDropdown,
weak_ptr_factory_.GetWeakPtr()));
}
void DownloadItemView::SetDropdownState(State new_state) {
// Avoid extra SchedulePaint()s if the state is going to be the same and
// |dropdown_button_| has already been initialized.
if (dropdown_state_ == new_state &&
!dropdown_button_->GetImage(views::Button::STATE_NORMAL).isNull())
return;
if (new_state != dropdown_state_) {
dropdown_button_->AnimateInkDrop(new_state == PUSHED
? views::InkDropState::ACTIVATED
: views::InkDropState::DEACTIVATED,
nullptr);
}
dropdown_state_ = new_state;
UpdateDropdownButton();
SchedulePaint();
}
void DownloadItemView::SetMode(Mode mode) {
mode_ = mode;
}
void DownloadItemView::TransitionToWarningDialog() {
if (IsShowingDeepScanning())
ClearDeepScanningDialog();
ShowWarningDialog();
// We need to load the icon now that the download has the real path.
LoadIcon();
// Force the shelf to layout again as our size has changed.
shelf_->Layout();
shelf_->SchedulePaint();
}
void DownloadItemView::TransitionToDeepScanningDialog() {
if (IsShowingWarningDialog())
ClearWarningDialog();
ShowDeepScanningDialog();
// We need to load the icon now that the download has the real path.
LoadIcon();
// Force the shelf to layout again as our size has changed.
shelf_->Layout();
shelf_->SchedulePaint();
}
void DownloadItemView::ClearWarningDialog() {
DCHECK(IsShowingWarningDialog());
SetMode(NORMAL_MODE);
dropdown_state_ = NORMAL;
// Remove the views used by the warning dialog.
delete save_button_;
save_button_ = nullptr;
delete discard_button_;
discard_button_ = nullptr;
delete dangerous_download_label_;
dangerous_download_label_ = nullptr;
dangerous_download_label_sized_ = false;
// We need to load the icon now that the download has the real path.
LoadIcon();
open_button_->SetEnabled(true);
file_name_label_->SetVisible(true);
status_label_->SetVisible(true);
dropdown_button_->SetVisible(true);
}
void DownloadItemView::ShowWarningDialog() {
DCHECK(!IsShowingWarningDialog());
time_download_warning_shown_ = base::Time::Now();
download::DownloadDangerType danger_type = model_->GetDangerType();
RecordDangerousDownloadWarningShown(danger_type);
#if BUILDFLAG(FULL_SAFE_BROWSING)
if (model_->ShouldAllowDownloadFeedback()) {
safe_browsing::DownloadFeedbackService::RecordEligibleDownloadShown(
danger_type);
}
#endif
SetMode(model_->MightBeMalicious() ? MALICIOUS_MODE : DANGEROUS_MODE);
dropdown_state_ = NORMAL;
if (mode_ == DANGEROUS_MODE) {
auto save_button = views::MdTextButton::Create(
this, model_->GetWarningConfirmButtonText());
save_button_ = AddChildView(std::move(save_button));
}
if (model_->GetDangerType() !=
download::DOWNLOAD_DANGER_TYPE_BLOCKED_PASSWORD_PROTECTED &&
model_->GetDangerType() !=
download::DOWNLOAD_DANGER_TYPE_BLOCKED_TOO_LARGE &&
model_->GetDangerType() !=
download::DOWNLOAD_DANGER_TYPE_SENSITIVE_CONTENT_BLOCK) {
auto discard_button = views::MdTextButton::Create(
this, l10n_util::GetStringUTF16(IDS_DISCARD_DOWNLOAD));
discard_button_ = AddChildView(std::move(discard_button));
}
base::string16 dangerous_label =
model_->GetWarningText(font_list_, kTextWidth);
auto dangerous_download_label = std::make_unique<views::StyledLabel>(
dangerous_label, /*listener=*/nullptr);
dangerous_download_label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
dangerous_download_label->SetAutoColorReadabilityEnabled(false);
dangerous_download_label_ = AddChildView(std::move(dangerous_download_label));
SizeLabelToMinWidth();
open_button_->SetEnabled(false);
file_name_label_->SetVisible(false);
status_label_->SetVisible(false);
dropdown_button_->SetVisible(mode_ == MALICIOUS_MODE);
}
gfx::ImageSkia DownloadItemView::GetWarningIcon() {
switch (model_->GetDangerType()) {
case download::DOWNLOAD_DANGER_TYPE_UNCOMMON_CONTENT:
if (safe_browsing::AdvancedProtectionStatusManagerFactory::GetForProfile(
model()->profile())
->RequestsAdvancedProtectionVerdicts()) {
return gfx::CreateVectorIcon(
vector_icons::kErrorIcon, GetErrorIconSize(),
GetNativeTheme()->GetSystemColor(
ui::NativeTheme::kColorId_AlertSeverityMedium));
}
FALLTHROUGH;
case download::DOWNLOAD_DANGER_TYPE_DANGEROUS_URL:
case download::DOWNLOAD_DANGER_TYPE_DANGEROUS_CONTENT:
case download::DOWNLOAD_DANGER_TYPE_DANGEROUS_HOST:
case download::DOWNLOAD_DANGER_TYPE_POTENTIALLY_UNWANTED:
case download::DOWNLOAD_DANGER_TYPE_DANGEROUS_FILE:
case download::DOWNLOAD_DANGER_TYPE_BLOCKED_TOO_LARGE:
case download::DOWNLOAD_DANGER_TYPE_BLOCKED_PASSWORD_PROTECTED:
case download::DOWNLOAD_DANGER_TYPE_SENSITIVE_CONTENT_BLOCK:
return gfx::CreateVectorIcon(
vector_icons::kWarningIcon, GetWarningIconSize(),
GetNativeTheme()->GetSystemColor(
ui::NativeTheme::kColorId_AlertSeverityHigh));
case download::DOWNLOAD_DANGER_TYPE_ASYNC_SCANNING:
case download::DOWNLOAD_DANGER_TYPE_SENSITIVE_CONTENT_WARNING:
return gfx::CreateVectorIcon(vector_icons::kErrorIcon, GetErrorIconSize(),
gfx::kGoogleGrey600);
case download::DOWNLOAD_DANGER_TYPE_PROMPT_FOR_SCANNING:
case download::DOWNLOAD_DANGER_TYPE_DEEP_SCANNED_SAFE:
case download::DOWNLOAD_DANGER_TYPE_DEEP_SCANNED_OPENED_DANGEROUS:
case download::DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS:
case download::DOWNLOAD_DANGER_TYPE_MAYBE_DANGEROUS_CONTENT:
case download::DOWNLOAD_DANGER_TYPE_USER_VALIDATED:
case download::DOWNLOAD_DANGER_TYPE_WHITELISTED_BY_POLICY:
case download::DOWNLOAD_DANGER_TYPE_MAX:
NOTREACHED();
break;
}
return gfx::ImageSkia();
}
void DownloadItemView::ShowDeepScanningDialog() {
DCHECK_EQ(mode_, NORMAL_MODE);
SetMode(DEEP_SCANNING_MODE);
base::string16 elided_filename = gfx::ElideFilename(
model_->GetFileNameToReportUser(), font_list_, kTextWidth);
base::string16 deep_scanning_text = l10n_util::GetStringFUTF16(
IDS_PROMPT_DEEP_SCANNING_DOWNLOAD, elided_filename);
auto deep_scanning_label = std::make_unique<views::StyledLabel>(
deep_scanning_text, /*listener=*/nullptr);
deep_scanning_label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
deep_scanning_label->SetAutoColorReadabilityEnabled(false);
deep_scanning_label_ = AddChildView(std::move(deep_scanning_label));
deep_scanning_label_->SetSize(AdjustTextAndGetSize(
deep_scanning_label_,
base::BindRepeating(
[](DownloadItemView* view, views::StyledLabel* label,
const base::string16& text) {
label->SetText(text);
view->StyleFilenameInLabel(label);
},
base::Unretained(this))));
int delay_delivery = g_browser_process->local_state()->GetInteger(
prefs::kDelayDeliveryUntilVerdict);
if (delay_delivery != safe_browsing::DELAY_DOWNLOADS &&
delay_delivery != safe_browsing::DELAY_UPLOADS_AND_DOWNLOADS) {
auto open_now_button = views::MdTextButton::Create(
this, l10n_util::GetStringUTF16(IDS_OPEN_DOWNLOAD_NOW));
open_now_button_ = AddChildView(std::move(open_now_button));
open_button_->SetEnabled(true);
} else {
open_button_->SetEnabled(false);
}
file_name_label_->SetVisible(false);
status_label_->SetVisible(false);
}
void DownloadItemView::ClearDeepScanningDialog() {
DCHECK(IsShowingDeepScanning());
SetMode(NORMAL_MODE);
dropdown_state_ = NORMAL;
delete deep_scanning_label_;
deep_scanning_label_ = nullptr;
delete open_now_button_;
open_now_button_ = nullptr;
LoadIcon();
open_button_->SetEnabled(true);
file_name_label_->SetVisible(true);
status_label_->SetVisible(true);
}
gfx::Size DownloadItemView::GetButtonSize() const {
gfx::Size size;
if (discard_button_)
size.SetToMax(discard_button_->GetPreferredSize());
if (save_button_)
size.SetToMax(save_button_->GetPreferredSize());
return size;
}
// This method computes the minimum width of the label for displaying its text
// on 2 lines. It just breaks the string in 2 lines on the spaces and keeps the
// configuration with minimum width.
void DownloadItemView::SizeLabelToMinWidth() {
if (dangerous_download_label_sized_)
return;
dangerous_download_label_->SetSize(AdjustTextAndGetSize(
dangerous_download_label_,
base::BindRepeating(
[](DownloadItemView* view, views::StyledLabel* label,
const base::string16& text) {
label->SetText(text);
view->StyleFilenameInLabel(label);
},
base::Unretained(this))));
dangerous_download_label_sized_ = true;
}
// static
template <typename T>
gfx::Size DownloadItemView::AdjustTextAndGetSize(
T* label,
base::RepeatingCallback<void(T*, const base::string16&)>
update_text_and_style) {
gfx::Size size = label->GetPreferredSize();
// If the label's width is already narrower than 200, we don't need to
// linebreak it, as it will fit on a single line.
if (size.width() <= 200)
return size;
base::string16 label_text = label->GetText();
base::TrimWhitespace(label_text, base::TRIM_ALL, &label_text);
DCHECK_EQ(base::string16::npos, label_text.find('\n'));
// Make the label big so that GetPreferredSize() is not constrained by the
// current width.
label->SetBounds(0, 0, 1000, 1000);
// Use a const string from here. BreakIterator requies that text.data() not
// change during its lifetime.
const base::string16 original_text(label_text);
// Using BREAK_WORD can work in most cases, but it can also break
// lines where it should not. Using BREAK_LINE is safer although
// slower for Chinese/Japanese. This is not perf-critical at all, though.
base::i18n::BreakIterator iter(original_text,
base::i18n::BreakIterator::BREAK_LINE);
bool status = iter.Init();
DCHECK(status);
// Create strings with line break position before and after the mid point, and
// compare the width to determine whether the best break position is before or
// after them.
base::string16 prev_text = original_text;
std::vector<size_t> break_points;
while (iter.pos() < original_text.length() / 2) {
iter.Advance();
break_points.emplace_back(iter.pos());
}
size_t pos = iter.pos();
bool searching_backward = false;
gfx::Size min_width_size = size;
// First add a line break after the mid point. If there is a very long
// word in the text, |pos| could reach the end of the text.
if (pos < original_text.length()) {
searching_backward = true;
prev_text = SplitStringWithNewLineAtPosition(original_text, pos);
update_text_and_style.Run(label, prev_text);
min_width_size = label->GetPreferredSize();
}
pos = iter.prev();
base::string16 current_text;
if (pos != 0) {
base::string16 current_text =
SplitStringWithNewLineAtPosition(original_text, pos);
update_text_and_style.Run(label, current_text);
size = label->GetPreferredSize();
if (size.width() == min_width_size.width()) {
// We found the best line break position.
update_text_and_style.Run(label, prev_text);
return size;
} else if (size.width() > min_width_size.width()) {
// The best line break position is after |pos|.
update_text_and_style.Run(label, prev_text);
} else {
// The best line break position is before |prev|.
searching_backward = false;
prev_text = current_text;
min_width_size = size;
break_points.pop_back();
}
}
// Go through the string and try each line break (starting with no line break)
// searching for the optimal line break position. Stop if we find one that
// yields minimum label width.
while (true) {
if (searching_backward) {
iter.Advance();
pos = iter.pos();
if (pos >= original_text.length())
break;
} else {
break_points.pop_back();
if (break_points.empty())
break;
pos = break_points.back();
}
current_text = SplitStringWithNewLineAtPosition(original_text, pos);
update_text_and_style.Run(label, current_text);
size = label->GetPreferredSize();
// If the width is growing again, it means we passed the optimal width spot.
if (size.width() > min_width_size.width()) {
update_text_and_style.Run(label, prev_text);
return min_width_size;
}
prev_text = current_text;
min_width_size = size;
}
return size;
}
void DownloadItemView::Reenable() {
file_name_label_->SetText(ElidedFilename());
SetEnabled(true); // Triggers a repaint.
}
void DownloadItemView::ReleaseDropdown() {
SetDropdownState(NORMAL);
// Make sure any new status from activating a context menu option is read.
announce_accessible_alert_soon_ = true;
}
void DownloadItemView::UpdateAccessibleName() {
base::string16 new_name;
if (IsShowingWarningDialog()) {
new_name = dangerous_download_label_->GetText();
} else {
new_name = status_label_->GetText() + base::char16(' ') +
model_->GetFileNameToReportUser().LossyDisplayName();
}
// Do not fire text changed notifications. Screen readers are notified of
// status changes via the accessible alert notifications, and text change
// notifications would be redundant.
accessible_name_ = new_name;
open_button_->SetAccessibleName(new_name);
}
base::string16 DownloadItemView::GetInProgressAccessibleAlertText() {
// If opening when complete or there is a warning, use the full status text.
if (model_->GetOpenWhenComplete() || IsShowingWarningDialog()) {
UpdateAccessibleName();
return accessible_name_;
}
// Prefer to announce the time remaining, if known.
base::TimeDelta remaining;
if (model_->TimeRemaining(&remaining)) {
// If complete, skip this round: a completion status update is coming soon.
if (remaining.is_zero())
return base::string16();
base::string16 remaining_string =
ui::TimeFormat::Simple(ui::TimeFormat::FORMAT_REMAINING,
ui::TimeFormat::LENGTH_SHORT, remaining);
return l10n_util::GetStringFUTF16(
IDS_DOWNLOAD_STATUS_TIME_REMAINING_ACCESSIBLE_ALERT, remaining_string);
}
// Time remaining is unknown, try to announce percent remaining.
if (model_->PercentComplete() > 0) {
DCHECK_LE(model_->PercentComplete(), 100);
return l10n_util::GetStringFUTF16Int(
IDS_DOWNLOAD_STATUS_PERCENT_COMPLETE_ACCESSIBLE_ALERT,
100 - model_->PercentComplete());
}
// Percent remaining is also unknown, announce bytes to download.
base::string16 file_name =
model_->GetFileNameToReportUser().LossyDisplayName();
return l10n_util::GetStringFUTF16(
IDS_DOWNLOAD_STATUS_IN_PROGRESS_ACCESSIBLE_ALERT,
ui::FormatBytes(model_->GetTotalBytes()), file_name);
}
void DownloadItemView::UpdateAccessibleAlert(
const base::string16& accessible_alert_text,
bool is_last_update) {
views::ViewAccessibility& ax = accessible_alert_->GetViewAccessibility();
ax.OverrideRole(ax::mojom::Role::kAlert);
ax.OverrideName(accessible_alert_text);
if (is_last_update) {
// Last update: stop the announcement interval timer and make the last
// announcement immediately.
accessible_alert_timer_.AbandonAndStop();
AnnounceAccessibleAlert();
} else if (!accessible_alert_timer_.IsRunning()) {
// First update: start the announcement interval timer and make the first
// announcement immediately.
accessible_alert_timer_.Start(FROM_HERE, kAccessibleAlertInterval, this,
&DownloadItemView::AnnounceAccessibleAlert);
AnnounceAccessibleAlert();
} else if (announce_accessible_alert_soon_) {
accessible_alert_timer_.Reset();
AnnounceAccessibleAlert();
}
}
void DownloadItemView::AnnounceAccessibleAlert() {
accessible_alert_->NotifyAccessibilityEvent(ax::mojom::Event::kAlert, true);
announce_accessible_alert_soon_ = false;
}
void DownloadItemView::AnimateStateTransition(State from,
State to,
gfx::SlideAnimation* animation) {
if (from == NORMAL && to == HOT) {
animation->Show();
} else if (from == HOT && to == NORMAL) {
animation->Hide();
} else if (from != to) {
animation->Reset((to == HOT) ? 1.0 : 0.0);
}
}
void DownloadItemView::ProgressTimerFired() {
// Only repaint for the indeterminate size case. Otherwise, we'll repaint only
// when there's an update notified via OnDownloadUpdated().
if (model_->PercentComplete() < 0)
SchedulePaint();
}
SkColor DownloadItemView::GetTextColor() const {
return GetTextColorForThemeProvider(GetThemeProvider());
}
base::string16 DownloadItemView::GetStatusText() const {
if (model_->GetDangerType() ==
download::DownloadDangerType::DOWNLOAD_DANGER_TYPE_DEEP_SCANNED_SAFE) {
return l10n_util::GetStringUTF16(IDS_PROMPT_DOWNLOAD_DEEP_SCANNED_SAFE);
} else if (model_->GetDangerType() ==
download::DownloadDangerType::
DOWNLOAD_DANGER_TYPE_DEEP_SCANNED_OPENED_DANGEROUS) {
return l10n_util::GetStringUTF16(
IDS_PROMPT_DOWNLOAD_DEEP_SCANNED_OPENED_DANGEROUS);
}
if (!model_->ShouldPromoteOrigin() ||
model_->GetOriginalURL().GetOrigin().is_empty()) {
// Use the default status text.
return model_->GetStatusText();
}
#if !defined(OS_ANDROID)
return url_formatter::ElideUrl(model_->GetOriginalURL().GetOrigin(),
status_font_list_, kTextWidth);
#else
NOTREACHED();
return base::string16();
#endif
}
base::string16 DownloadItemView::ElidedFilename() {
return gfx::ElideFilename(model_->GetFileNameToReportUser(), font_list_,
kTextWidth);
}
void DownloadItemView::OpenDownloadDuringAsyncScanning() {
model_->CompleteSafeBrowsingScan();
should_open_while_scanning_ = true;
}
void DownloadItemView::StyleFilenameInLabel(views::StyledLabel* label) {
if (!base::FeatureList::IsEnabled(safe_browsing::kUseNewDownloadWarnings))
return;
#if !defined(OS_LINUX)
base::string16 filename = ElidedFilename();
size_t file_name_position = label->GetText().find(filename);
if (file_name_position != std::string::npos) {
views::StyledLabel::RangeStyleInfo style;
style.text_style = STYLE_EMPHASIZED;
label->AddStyleRange(
gfx::Range(file_name_position, file_name_position + filename.size()),
style);
}
#endif
}
// static
int DownloadItemView::GetWarningIconSize() {
// TODO(drubery): Replace this method with a constexpr variable when the new
// UX is fully launched.
return base::FeatureList::IsEnabled(safe_browsing::kUseNewDownloadWarnings)
? 20
: 24;
}
// static
int DownloadItemView::GetErrorIconSize() {
// TODO(drubery): Replace this method with a constexpr variable when the new
// UX is fully launched.
return base::FeatureList::IsEnabled(safe_browsing::kUseNewDownloadWarnings)
? 20
: 27;
}