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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include "ash/constants/ash_features.h"
#include "base/containers/to_vector.h"
#include "base/memory/raw_ptr.h"
#include "base/strings/utf_string_conversions.h"
#include "base/time/time.h"
#include "chrome/browser/apps/app_service/app_service_proxy.h"
#include "chrome/browser/apps/app_service/app_service_proxy_factory.h"
#include "chrome/browser/ash/arc/intent_helper/arc_intent_helper_mojo_ash.h"
#include "chrome/browser/ash/guest_os/guest_os_external_protocol_handler.h"
#include "chrome/browser/chromeos/arc/arc_external_protocol_dialog.h"
#include "chrome/browser/external_protocol/external_protocol_handler.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/views/external_protocol_dialog.h"
#include "chrome/browser/web_applications/app_service/publisher_helper.h"
#include "chrome/grit/branded_strings.h"
#include "chrome/grit/generated_resources.h"
#include "chromeos/ash/components/browser_context_helper/browser_context_types.h"
#include "chromeos/constants/chromeos_features.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/weak_document_ptr.h"
#include "content/public/browser/web_contents.h"
#include "third_party/blink/public/mojom/devtools/console_message.mojom.h"
#include "ui/aura/window.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/mojom/dialog_button.mojom.h"
#include "ui/gfx/text_elider.h"
#include "ui/strings/grit/ui_strings.h"
#include "ui/views/controls/message_box_view.h"
#include "ui/views/widget/widget.h"
#include "ui/views/window/dialog_delegate.h"
#include "url/gurl.h"
using content::WebContents;
// The external protocol dialog for Chrome OS shown when we have a URL with a
// Tel scheme but there are no handlers.
class ExternalProtocolNoHandlersTelSchemeDialog : public views::DialogDelegate {
public:
explicit ExternalProtocolNoHandlersTelSchemeDialog(
aura::Window* parent_window)
: creation_time_(base::TimeTicks::Now()) {
DCHECK(parent_window);
SetOwnedByWidget(OwnedByWidgetPassKey());
views::DialogDelegate::SetButtons(
static_cast<int>(ui::mojom::DialogButton::kOk));
views::DialogDelegate::SetButtonLabel(
ui::mojom::DialogButton::kOk,
l10n_util::GetStringUTF16(IDS_EXTERNAL_PROTOCOL_CLOSE_BUTTON_TEXT));
message_box_view_ = new views::MessageBoxView();
message_box_view_->SetMessageWidth(400);
views::DialogDelegate::CreateDialogWidget(this, nullptr, parent_window)
->Show();
}
ExternalProtocolNoHandlersTelSchemeDialog(
const ExternalProtocolNoHandlersTelSchemeDialog&) = delete;
ExternalProtocolNoHandlersTelSchemeDialog& operator=(
const ExternalProtocolNoHandlersTelSchemeDialog&) = delete;
~ExternalProtocolNoHandlersTelSchemeDialog() override = default;
// views::DialogDelegate:
std::u16string GetWindowTitle() const override {
// We display a message to the user on how to use the Click to Call feature.
return l10n_util::GetStringUTF16(
IDS_BROWSER_SHARING_CLICK_TO_CALL_DIALOG_HELP_TEXT_NO_DEVICES);
}
views::View* GetContentsView() override { return message_box_view_; }
const views::Widget* GetWidget() const override {
return message_box_view_->GetWidget();
}
views::Widget* GetWidget() override { return message_box_view_->GetWidget(); }
private:
// The message box view whose commands we handle.
raw_ptr<views::MessageBoxView> message_box_view_;
// The time at which this dialog was created.
base::TimeTicks creation_time_;
};
namespace {
void OnArcHandled(const GURL& url,
const std::optional<url::Origin>& initiating_origin,
content::WeakDocumentPtr initiator_document,
base::WeakPtr<WebContents> web_contents,
bool handled) {
if (handled) {
return;
}
// If WebContents have been destroyed, do not show any dialog.
if (!web_contents) {
return;
}
aura::Window* parent_window = web_contents->GetTopLevelNativeWindow();
// If WebContents has been detached from window tree, do not show any dialog.
if (!parent_window || !parent_window->GetRootWindow()) {
return;
}
// Display the standard ExternalProtocolDialog if Guest OS has a handler.
// Otherwise, if there is no handler and the URL is a Tel-link, show the No
// Handler Tel Scheme dialog
std::optional<guest_os::GuestOsUrlHandler> registration =
guest_os::GuestOsUrlHandler::GetForUrl(
Profile::FromBrowserContext(web_contents->GetBrowserContext()), url);
if (registration) {
new ExternalProtocolDialog(web_contents.get(), url,
base::UTF8ToUTF16(registration->name()),
initiating_origin, initiator_document);
} else if (url.scheme() == url::kTelScheme) {
new ExternalProtocolNoHandlersTelSchemeDialog(parent_window);
}
}
std::string GetAppName(apps::AppServiceProxy* proxy,
const std::string& app_id) {
std::optional<std::string> app_name;
proxy->AppRegistryCache().ForOneApp(
app_id,
[&](const apps::AppUpdate& update) { app_name = update.ShortName(); });
CHECK(app_name);
return *app_name;
}
void HandleWebAppManifestProtocolHandler(
Profile* profile,
WebContents* web_contents,
const GURL& url,
const std::vector<std::string>& app_ids,
const std::optional<url::Origin>& initiating_origin,
content::WeakDocumentPtr initiator_document) {
CHECK(!app_ids.empty());
CHECK(apps::AppServiceProxyFactory::IsAppServiceAvailableForProfile(profile));
auto* proxy = apps::AppServiceProxyFactory::GetForProfile(profile);
if (app_ids.size() > 1) {
// TODO(crbug.com/422422887): Figure out how to disambiguate conflicting
// protocol handlers; for now, pick the first one in the list.
static constexpr std::string_view kConfictingProtocolHandlersWarning =
"There's more than one web application handling %s links : [%s]; "
"ChromeOS currently doesn't support disambiguating multiple handlers.";
if (content::RenderFrameHost* rfh =
initiator_document.AsRenderFrameHostIfValid()) {
std::vector<std::string> app_names = base::ToVector(
app_ids,
[&](const auto& app_id) { return GetAppName(proxy, app_id); });
rfh->AddMessageToConsole(
blink::mojom::ConsoleMessageLevel::kWarning,
base::StringPrintf(kConfictingProtocolHandlersWarning, url.scheme(),
base::JoinString(app_names, ",")));
}
}
new ExternalProtocolDialog(web_contents, url,
base::UTF8ToUTF16(GetAppName(proxy, app_ids[0])),
initiating_origin, std::move(initiator_document));
}
} // namespace
///////////////////////////////////////////////////////////////////////////////
// ExternalProtocolHandler
// static
void ExternalProtocolHandler::RunExternalProtocolDialog(
const GURL& url,
WebContents* web_contents,
ui::PageTransition page_transition,
bool has_user_gesture,
bool is_in_fenced_frame_tree,
const std::optional<url::Origin>& initiating_origin,
content::WeakDocumentPtr initiator_document,
const std::u16string& program_name) {
// Don't launch anything from Shimless RMA app.
if (ash::features::IsShimlessRMA3pDiagnosticsEnabled() &&
ash::IsShimlessRmaAppBrowserContext(web_contents->GetBrowserContext())) {
return;
}
auto* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
if (std::vector<std::string> app_ids =
web_app::GetWebAppIdsForProtocolUrl(profile, url);
!app_ids.empty()) {
HandleWebAppManifestProtocolHandler(profile, web_contents, url, app_ids,
initiating_origin, initiator_document);
return;
}
// Check if ARC version of the dialog is available and run ARC
// version when possible.
arc::RunArcExternalProtocolDialog(
url, initiating_origin, web_contents->GetWeakPtr(), page_transition,
has_user_gesture, is_in_fenced_frame_tree,
std::make_unique<arc::ArcIntentHelperMojoAsh>(),
base::BindOnce(&OnArcHandled, url, initiating_origin,
std::move(initiator_document),
web_contents->GetWeakPtr()));
}
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