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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 "chrome/browser/printing/print_job_manager.h"
#include "base/functional/bind.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "chrome/browser/printing/print_job.h"
#include "chrome/browser/printing/printer_query.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/global_routing_id.h"
#include "printing/printed_document.h"
#include "base/win/windows_h_disallowed.h"
namespace printing {
PrintQueriesQueue::PrintQueriesQueue() = default;
PrintQueriesQueue::~PrintQueriesQueue() {
base::AutoLock lock(lock_);
queued_queries_.clear();
}
void PrintQueriesQueue::QueuePrinterQuery(std::unique_ptr<PrinterQuery> query) {
base::AutoLock lock(lock_);
DCHECK(query);
DCHECK(query->is_valid());
queued_queries_.push_back(std::move(query));
}
std::unique_ptr<PrinterQuery> PrintQueriesQueue::PopPrinterQuery(
int document_cookie) {
base::AutoLock lock(lock_);
for (auto it = queued_queries_.begin(); it != queued_queries_.end(); ++it) {
std::unique_ptr<PrinterQuery>& query = *it;
if (query->cookie() != document_cookie)
continue;
std::unique_ptr<PrinterQuery> current_query = std::move(query);
queued_queries_.erase(it);
DCHECK(current_query->is_valid());
return current_query;
}
return nullptr;
}
std::unique_ptr<PrinterQuery> PrintQueriesQueue::CreatePrinterQuery(
content::GlobalRenderFrameHostId rfh_id) {
return PrinterQuery::Create(rfh_id);
}
void PrintQueriesQueue::Shutdown() {
{
base::AutoLock lock(lock_);
queued_queries_.clear();
}
}
PrintJobManager::PrintJobManager() = default;
PrintJobManager::~PrintJobManager() = default;
base::CallbackListSubscription PrintJobManager::AddDocDoneCallback(
DocDoneCallback callback) {
return callback_list_.Add(callback);
}
scoped_refptr<PrintQueriesQueue> PrintJobManager::queue() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (!queue_)
queue_ = base::MakeRefCounted<PrintQueriesQueue>();
return queue_;
}
void PrintJobManager::SetQueueForTest(scoped_refptr<PrintQueriesQueue> queue) {
if (queue_)
queue_->Shutdown();
queue_ = queue;
}
void PrintJobManager::Shutdown() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(!is_shutdown_);
is_shutdown_ = true;
StopJobs(true);
if (queue_) {
queue_->Shutdown();
queue_ = nullptr;
}
}
void PrintJobManager::StopJobs(bool wait_for_finish) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
// Copy the array since it can be modified in transit.
PrintJobs to_stop;
to_stop.swap(current_jobs_);
for (auto job = to_stop.begin(); job != to_stop.end(); ++job) {
// Wait for two minutes for the print job to be spooled.
if (wait_for_finish)
(*job)->FlushJob(base::Minutes(2));
(*job)->Stop();
}
}
void PrintJobManager::OnStarted(PrintJob* print_job) {
if (is_shutdown_)
return;
// Causes a AddRef().
bool inserted = current_jobs_.insert(print_job).second;
DCHECK(inserted);
}
void PrintJobManager::OnDocDone(PrintJob* print_job,
PrintedDocument* document,
int job_id) {
if (is_shutdown_)
return;
callback_list_.Notify(print_job, document, job_id);
}
void PrintJobManager::OnJobDone(PrintJob* print_job) {
if (is_shutdown_)
return;
size_t erased = current_jobs_.erase(print_job);
DCHECK_EQ(1U, erased);
}
void PrintJobManager::OnFailed(PrintJob* print_job) {
if (is_shutdown_)
return;
current_jobs_.erase(print_job);
}
} // namespace printing
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