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// Copyright 2024 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/chromeos/printing/print_preview/print_view_manager_cros.h"
#include <utility>
#include "base/unguessable_token.h"
#include "chrome/browser/chromeos/printing/print_preview/print_preview_ui_wrapper.h"
#include "chrome/browser/chromeos/printing/print_preview/print_preview_webcontents_manager.h"
#include "components/printing/common/print.mojom.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_user_data.h"
#include "mojo/public/cpp/bindings/associated_remote.h"
#include "mojo/public/cpp/bindings/pending_associated_remote.h"
#include "printing/print_job_constants.h"
#include "stdint.h"
namespace chromeos {
PrintViewManagerCros::PrintViewManagerCros(content::WebContents* web_contents)
: PrintViewManagerCrosBase(web_contents),
content::WebContentsUserData<PrintViewManagerCros>(*web_contents),
token_(base::UnguessableToken::Create()) {}
PrintViewManagerCros::~PrintViewManagerCros() {
if (ui_wrapper_) {
ui_wrapper_->Reset();
}
}
// static
void PrintViewManagerCros::BindPrintManagerHost(
mojo::PendingAssociatedReceiver<::printing::mojom::PrintManagerHost>
receiver,
content::RenderFrameHost* rfh) {
CHECK(rfh);
auto* web_contents = content::WebContents::FromRenderFrameHost(rfh);
CHECK(web_contents);
// An instance of PrintViewManagerCros is guaranteed to be available if
// binding a PrintManagerHost.
auto* print_manager = PrintViewManagerCros::FromWebContents(web_contents);
CHECK(print_manager);
print_manager->BindReceiver(std::move(receiver), rfh);
}
// TODO(jimmyxgong): Implement stubs.
void PrintViewManagerCros::DidShowPrintDialog() {}
void PrintViewManagerCros::SetupScriptedPrintPreview(
SetupScriptedPrintPreviewCallback callback) {}
void PrintViewManagerCros::ShowScriptedPrintPreview(bool source_is_modifiable) {
}
void PrintViewManagerCros::RequestPrintPreview(
::printing::mojom::RequestPrintPreviewParamsPtr params) {
PrintPreviewWebcontentsManager::Get()->RequestPrintPreview(
token_, web_contents(), std::move(params));
}
void PrintViewManagerCros::CheckForCancel(int32_t preview_ui_id,
int32_t request_id,
CheckForCancelCallback callback) {
std::move(callback).Run(
PrintPreviewUiWrapper::ShouldCancelRequest(preview_ui_id, request_id));
}
void PrintViewManagerCros::RenderFrameDeleted(
content::RenderFrameHost* render_frame_host) {
if (render_frame_host_ == render_frame_host) {
PrintPreviewDone();
}
// TODO(jimmyxgong): Attempt to remove a print job if active.
}
bool PrintViewManagerCros::PrintPreviewNow(content::RenderFrameHost* rfh,
bool has_selection) {
CHECK(rfh);
// Don't print / print preview crashed tabs.
// If the render frame is not live, it's possible we'll never get the
// `RenderFrameDeleted` observer call and may lead to a UaF
// render_frame_host_.
if (IsCrashed() || !rfh->IsRenderFrameLive()) {
return false;
}
// TODO(b/339311234): Handle passing a print renderer remote from android.
GetPrintRenderFrame(rfh)->InitiatePrintPreview(
mojo::NullAssociatedRemote(),
has_selection);
DCHECK(!render_frame_host_);
render_frame_host_ = rfh;
// Upon re-opening the print dialog, we should also reset the print preview
// UI wrapper.
if (ui_wrapper_) {
ui_wrapper_->Reset();
}
ui_wrapper_.reset();
ui_wrapper_ = std::make_unique<PrintPreviewUiWrapper>();
ui_wrapper_->BindPrintPreviewUI(rfh);
return true;
}
void PrintViewManagerCros::PrintPreviewDone() {
PrintPreviewWebcontentsManager::Get()->PrintPreviewDone(token_);
HandlePrintPreviewRemoved();
}
void PrintViewManagerCros::HandlePrintPreviewRemoved() {
CHECK(render_frame_host_);
if (render_frame_host_->IsRenderFrameLive() &&
IsPrintRenderFrameConnected(render_frame_host_)) {
GetPrintRenderFrame(render_frame_host_)->OnPrintPreviewDialogClosed();
}
render_frame_host_ = nullptr;
if (ui_wrapper_) {
ui_wrapper_->Reset();
}
}
void PrintViewManagerCros::HandleGeneratePrintPreview(
const base::Value::Dict& settings) {
ui_wrapper_->GeneratePrintPreview(settings.Clone());
}
WEB_CONTENTS_USER_DATA_KEY_IMPL(PrintViewManagerCros);
} // namespace chromeos
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