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// Copyright 2021 The Chromium Authors
// 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/sharing_hub/screenshot/screenshot_captured_bubble.h"
#include <memory>
#include <utility>
#include <vector>
#include "base/containers/span.h"
#include "base/feature_list.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/metrics/user_metrics.h"
#include "base/strings/strcat.h"
#include "base/task/thread_pool.h"
#include "base/threading/thread_restrictions.h"
#include "chrome/browser/image_editor/image_editor_component_info.h"
#include "chrome/browser/image_editor/screenshot_flow.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/browser_navigator.h"
#include "chrome/browser/ui/browser_navigator_params.h"
#include "chrome/browser/ui/color/chrome_color_id.h"
#include "chrome/browser/ui/views/chrome_layout_provider.h"
#include "chrome/common/webui_url_constants.h"
#include "chrome/grit/generated_resources.h"
#include "content/public/browser/download_manager.h"
#include "content/public/browser/download_request_utils.h"
#include "content/public/browser/web_contents.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/base/mojom/dialog_button.mojom.h"
#include "ui/base/webui/web_ui_util.h"
#include "ui/gfx/codec/png_codec.h"
#include "ui/gfx/image/image_skia_rep.h"
#include "ui/resources/grit/ui_resources.h"
#include "ui/views/border.h"
#include "ui/views/controls/button/label_button.h"
#include "ui/views/controls/button/md_text_button.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/layout/table_layout_view.h"
#include "ui/views/view.h"
namespace {
// Rendered image size, pixels.
constexpr int kImageWidthPx = 336;
constexpr int kImageHeightPx = 252;
} // namespace
namespace sharing_hub {
ScreenshotCapturedBubble::ScreenshotCapturedBubble(
views::View* anchor_view,
content::WebContents* web_contents,
const gfx::Image& image,
Profile* profile)
: LocationBarBubbleDelegateView(anchor_view, nullptr),
image_(image),
web_contents_(web_contents->GetWeakPtr()),
profile_(profile) {
SetButtons(static_cast<int>(ui::mojom::DialogButton::kNone));
SetTitle(IDS_BROWSER_SHARING_SCREENSHOT_POST_CAPTURE_TITLE);
}
ScreenshotCapturedBubble::~ScreenshotCapturedBubble() = default;
void ScreenshotCapturedBubble::OnThemeChanged() {
LocationBarBubbleDelegateView::OnThemeChanged();
const int border_radius = ChromeLayoutProvider::Get()->GetCornerRadiusMetric(
views::Emphasis::kHigh);
const auto* const color_provider = GetColorProvider();
image_view_->SetBorder(views::CreateRoundedRectBorder(
/*thickness=*/2, border_radius,
color_provider->GetColor(kColorScreenshotCapturedImageBorder)));
image_view_->SetBackground(views::CreateRoundedRectBackground(
color_provider->GetColor(kColorScreenshotCapturedImageBackground),
border_radius, 2));
}
void ScreenshotCapturedBubble::Show() {
ShowForReason(USER_GESTURE);
}
views::View* ScreenshotCapturedBubble::GetInitiallyFocusedView() {
return download_button_;
}
bool ScreenshotCapturedBubble::ShouldShowCloseButton() const {
return true;
}
void ScreenshotCapturedBubble::WindowClosing() {}
void ScreenshotCapturedBubble::Init() {
auto* layout_provider = ChromeLayoutProvider::Get();
// Requesting TEXT for trailing prevents extra padding at bottom of dialog.
gfx::Insets insets = layout_provider->GetDialogInsetsForContentType(
views::DialogContentType::kControl, views::DialogContentType::kText);
const int border_radius =
layout_provider->GetCornerRadiusMetric(views::Emphasis::kHigh);
int width_padding =
(kImageWidthPx + border_radius - GetImageSize().width()) / 2;
using Alignment = views::ImageView::Alignment;
auto builder =
views::Builder<ScreenshotCapturedBubble>(this)
.set_margins(insets)
.SetLayoutManager(std::make_unique<views::BoxLayout>(
views::BoxLayout::Orientation::kVertical, gfx::Insets(),
layout_provider->GetDistanceMetric(
DISTANCE_UNRELATED_CONTROL_VERTICAL_LARGE)))
.AddChild(
views::Builder<views::TableLayoutView>()
.AddPaddingColumn(views::TableLayout::kFixedSize,
width_padding)
.AddColumn(views::LayoutAlignment::kCenter,
views::LayoutAlignment::kCenter, 1.0,
views::TableLayout::ColumnSize::kUsePreferred, 0,
0)
.AddPaddingColumn(views::TableLayout::kFixedSize,
width_padding)
.AddRows(1, views::TableLayout::kFixedSize, 0)
.AddChild(views::Builder<views::ImageView>()
.SetHorizontalAlignment(Alignment::kCenter)
.SetVerticalAlignment(Alignment::kCenter)
.SetImageSize(GetImageSize())
.SetPreferredSize(
GetImageSize() +
gfx::Size(border_radius, border_radius))
.SetImage(ui::ImageModel::FromImage(image_))
.SetVisible(true)
.CopyAddressTo(&image_view_)));
auto download_button =
views::Builder<views::MdTextButton>()
.SetCallback(base::BindRepeating(
&ScreenshotCapturedBubble::DownloadButtonPressed,
weak_factory_.GetWeakPtr()))
.SetText(l10n_util::GetStringUTF16(
IDS_BROWSER_SHARING_SCREENSHOT_DIALOG_DOWNLOAD_BUTTON_LABEL))
.SetStyle(ui::ButtonStyle::kProminent)
.Build();
auto download_row = views::Builder<views::TableLayoutView>();
// Column for download button
download_row
.AddColumn(views::LayoutAlignment::kEnd, views::LayoutAlignment::kCenter,
1.0, views::TableLayout::ColumnSize::kUsePreferred, 0, 0)
.AddRows(1, views::TableLayout::kFixedSize, 0);
download_row.AddChild(
views::Builder<views::MdTextButton>(std::move(download_button))
.CopyAddressTo(&download_button_));
std::move(builder).AddChild(std::move(download_row)).BuildChildren();
}
/*static*/
const std::u16string ScreenshotCapturedBubble::GetFilenameForURL(
const GURL& url) {
if (!url.has_host() || url.HostIsIPAddress()) {
return u"chrome_screenshot.png";
}
return base::ASCIIToUTF16(
base::StrCat({"chrome_screenshot_", url.host(), ".png"}));
}
void ScreenshotCapturedBubble::DownloadButtonPressed() {
// Returns closest scaling to parameter (1.0).
const SkBitmap& bitmap =
image_view_->GetImage().GetRepresentation(1.0f).GetBitmap();
const GURL data_url = GURL(webui::GetBitmapDataUrl(bitmap));
if (!web_contents_) {
return;
}
Browser* browser = chrome::FindBrowserWithTab(web_contents_.get());
content::DownloadManager* download_manager =
browser->profile()->GetDownloadManager();
// TODO(crbug.com/40753957): Update the annotation's |setting| and
// |chrome_policy| fields once the Sharing Hub is landed.
net::NetworkTrafficAnnotationTag traffic_annotation =
net::DefineNetworkTrafficAnnotation("desktop_screenshot_save", R"(
semantics {
sender: "Desktop Screenshots"
description:
"The user may capture a selection of the current page. This bubble "
"view has a download button to save the generated image via a data "
"URL to the disk on the local client. The feature is only for Mac, "
"Windows and Linux OS."
trigger: "User clicks 'download' in a bubble view launched from the "
"omnibox after the 'Screenshot' option is selected in the sharing "
"hub and a selection is made on the page. "
data: "A capture of a portion of the current webpage."
destination: LOCAL
}
policy {
cookies_allowed: NO
setting:
"No user-visible setting for this feature. Experiment and rollout to "
"be coordinated via Chrome Variations. This feature reads settings "
"from prefs::kDisableScreenshots which is controlled by this policy."
policy_exception_justification:
"Not implemented, considered not required."
})");
std::unique_ptr<download::DownloadUrlParameters> params =
content::DownloadRequestUtils::CreateDownloadForWebContentsMainFrame(
web_contents_.get(), data_url, traffic_annotation);
// Suggest a name incorporating the hostname. Protocol, TLD, etc are
// not taken into consideration. Duplicate names get automatic suffixes.
params->set_suggested_name(
GetFilenameForURL(web_contents_->GetLastCommittedURL()));
download_manager->DownloadUrl(std::move(params));
base::RecordAction(base::UserMetricsAction(
"SharingDesktopScreenshot.ScreenshotSavedViaBubble"));
}
// Calculates the size of the image with padding.
gfx::Size ScreenshotCapturedBubble::GetImageSize() {
float scale_factor_x =
static_cast<float>(kImageWidthPx) / static_cast<float>(image_.Width());
float scale_factor_y =
static_cast<float>(kImageHeightPx) / static_cast<float>(image_.Height());
float scale_factor =
scale_factor_x < scale_factor_y ? scale_factor_x : scale_factor_y;
return gfx::Size(scale_factor * image_.Width(),
scale_factor * image_.Height());
}
BEGIN_METADATA(ScreenshotCapturedBubble)
END_METADATA
} // namespace sharing_hub
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