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- // Copyright 2021 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "weblayer/browser/background_fetch/background_fetch_delegate_impl.h"
- #include <utility>
- #include "base/check_op.h"
- #include "build/build_config.h"
- #include "components/background_fetch/download_client.h"
- #include "components/background_fetch/job_details.h"
- #include "components/content_settings/core/common/content_settings_types.h"
- #include "content/public/browser/background_fetch_description.h"
- #include "content/public/browser/browser_context.h"
- #include "content/public/browser/browser_thread.h"
- #include "content/public/browser/web_contents.h"
- #include "weblayer/browser/background_download_service_factory.h"
- #include "weblayer/browser/browser_context_impl.h"
- #include "weblayer/browser/profile_impl.h"
- #include "weblayer/browser/system_network_context_manager.h"
- #include "weblayer/public/download_delegate.h"
- namespace weblayer {
- BackgroundFetchDelegateImpl::BackgroundFetchDelegateImpl(
- content::BrowserContext* context)
- : background_fetch::BackgroundFetchDelegateBase(context) {}
- BackgroundFetchDelegateImpl::~BackgroundFetchDelegateImpl() = default;
- void BackgroundFetchDelegateImpl::MarkJobComplete(const std::string& job_id) {
- BackgroundFetchDelegateBase::MarkJobComplete(job_id);
- #if BUILDFLAG(IS_ANDROID)
- background_fetch::JobDetails* job_details =
- GetJobDetails(job_id, /*allow_null=*/true);
- if (job_details && job_details->job_state ==
- background_fetch::JobDetails::State::kJobComplete) {
- // The UI should have already been updated to the Completed state, however,
- // sometimes Android drops notification updates if there have been too many
- // requested in a short span of time, so make sure the completed state is
- // reflected in the UI after a brief delay. See
- // https://developer.android.com/training/notify-user/build-notification#Updating
- static constexpr auto kDelay = base::Milliseconds(1500);
- base::SequencedTaskRunnerHandle::Get()->PostDelayedTask(
- FROM_HERE,
- base::BindOnce(&BackgroundFetchDelegateImpl::DoUpdateUi,
- weak_ptr_factory_.GetWeakPtr(), job_id),
- kDelay);
- }
- #endif
- }
- void BackgroundFetchDelegateImpl::UpdateUI(
- const std::string& job_id,
- const absl::optional<std::string>& title,
- const absl::optional<SkBitmap>& icon) {
- DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
- DCHECK(title || icon); // One of the UI options must be updatable.
- DCHECK(!icon || !icon->isNull()); // The |icon|, if provided, is not null.
- background_fetch::JobDetails* job_details =
- GetJobDetails(job_id, /*allow_null=*/true);
- if (!job_details)
- return;
- if (title)
- job_details->fetch_description->title = *title;
- if (icon)
- job_details->fetch_description->icon = *icon;
- DoUpdateUi(job_id);
- if (auto client = GetClient(job_id))
- client->OnUIUpdated(job_id);
- }
- download::BackgroundDownloadService*
- BackgroundFetchDelegateImpl::GetDownloadService() {
- return BackgroundDownloadServiceFactory::GetForBrowserContext(context());
- }
- void BackgroundFetchDelegateImpl::OnJobDetailsCreated(
- const std::string& job_id) {
- // WebLayer doesn't create the UI until a download actually starts.
- }
- void BackgroundFetchDelegateImpl::DoShowUi(const std::string& job_id) {
- // Create the UI the first time a download starts. (There may be multiple
- // downloads for a single background fetch job.)
- background_fetch::JobDetails* job = GetJobDetails(job_id);
- auto inserted = ui_item_map_.emplace(
- std::piecewise_construct, std::forward_as_tuple(job_id),
- std::forward_as_tuple(this, job_id, job));
- DCHECK(inserted.second);
- ProfileImpl::FromBrowserContext(context())
- ->download_delegate()
- ->DownloadStarted(&inserted.first->second);
- }
- void BackgroundFetchDelegateImpl::DoUpdateUi(const std::string& job_id) {
- auto iter = ui_item_map_.find(job_id);
- if (iter == ui_item_map_.end())
- return;
- BackgroundFetchDownload* download = &iter->second;
- if (!download->HasBeenAddedToUi())
- return;
- ProfileImpl::FromBrowserContext(context())
- ->download_delegate()
- ->DownloadProgressChanged(download);
- }
- void BackgroundFetchDelegateImpl::DoCleanUpUi(const std::string& job_id) {
- ui_item_map_.erase(job_id);
- }
- } // namespace weblayer
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