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// Copyright 2025 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/pdf/infobar/pdf_infobar_delegate.h"
#include <memory>
#include "base/metrics/histogram_functions.h"
#include "base/path_service.h"
#include "base/task/task_traits.h"
#include "base/task/thread_pool.h"
#include "chrome/browser/infobars/confirm_infobar_creator.h"
#include "chrome/browser/shell_integration.h"
#include "chrome/common/buildflags.h"
#include "chrome/grit/branded_strings.h"
#include "chrome/grit/generated_resources.h"
#include "components/infobars/content/content_infobar_manager.h"
#include "components/infobars/core/infobar.h"
#include "components/omnibox/browser/vector_icons.h"
#include "components/vector_icons/vector_icons.h"
#include "content/public/browser/web_contents.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/gfx/native_widget_types.h"
#if BUILDFLAG(IS_WIN)
#include "chrome/installer/util/shell_util.h"
#include "ui/aura/window.h"
#include "ui/views/win/hwnd_util.h"
#endif // BUILDFLAG(IS_WIN)
namespace pdf::infobar {
namespace {
void RecordUserInteractionHistogram(PdfInfoBarUserInteraction interaction) {
base::UmaHistogramEnumeration("PDF.InfoBar.UserInteraction", interaction);
}
} // namespace
// static
infobars::InfoBar* PdfInfoBarDelegate::Create(
infobars::ContentInfoBarManager* infobar_manager) {
base::UmaHistogramBoolean("PDF.InfoBar.Shown", true);
CHECK(infobar_manager);
return infobar_manager->AddInfoBar(
CreateConfirmInfoBar(std::make_unique<PdfInfoBarDelegate>()));
}
PdfInfoBarDelegate::~PdfInfoBarDelegate() {
if (!action_taken_) {
RecordUserInteractionHistogram(PdfInfoBarUserInteraction::kIgnored);
}
}
infobars::InfoBarDelegate::InfoBarIdentifier PdfInfoBarDelegate::GetIdentifier()
const {
return PDF_INFOBAR_DELEGATE;
}
const gfx::VectorIcon& PdfInfoBarDelegate::GetVectorIcon() const {
return dark_mode() ? omnibox::kProductChromeRefreshIcon
: vector_icons::kProductRefreshIcon;
}
std::u16string PdfInfoBarDelegate::GetMessageText() const {
return l10n_util::GetStringUTF16(IDS_PDF_INFOBAR_TEXT);
}
int PdfInfoBarDelegate::GetButtons() const {
return BUTTON_OK;
}
std::u16string PdfInfoBarDelegate::GetButtonLabel(InfoBarButton button) const {
return l10n_util::GetStringUTF16(IDS_DEFAULT_BROWSER_INFOBAR_OK_BUTTON_LABEL);
}
bool PdfInfoBarDelegate::Accept() {
action_taken_ = true;
RecordUserInteractionHistogram(PdfInfoBarUserInteraction::kAccepted);
#if BUILDFLAG(IS_MAC)
shell_integration::SetAsDefaultHandlerForUTType("com.adobe.pdf");
#elif BUILDFLAG(IS_WIN)
auto* window =
infobars::ContentInfoBarManager::WebContentsFromInfoBar(infobar())
->GetTopLevelNativeWindow();
base::ThreadPool::PostTask(
FROM_HERE,
{base::MayBlock(), base::TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN},
base::BindOnce(base::IgnoreResult(
&ShellUtil::ShowSetDefaultForFileExtensionSystemUI),
base::PathService::CheckedGet(base::FILE_EXE),
base::wcstring_view(L".pdf"),
views::HWNDForNativeWindow(window)));
#else
#error PdfInfoBarDelegate should only be created on Windows or MacOS
#endif
return ConfirmInfoBarDelegate::Accept();
}
void PdfInfoBarDelegate::InfoBarDismissed() {
action_taken_ = true;
RecordUserInteractionHistogram(PdfInfoBarUserInteraction::kDismissed);
ConfirmInfoBarDelegate::InfoBarDismissed();
}
} // namespace pdf::infobar
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