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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/webapps/browser/installable/installable_manager.h"
#include <algorithm>
#include <utility>
#include "base/check_is_test.h"
#include "base/containers/contains.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/functional/callback_helpers.h"
#include "base/strings/string_util.h"
#include "base/task/sequenced_task_runner.h"
#include "build/build_config.h"
#include "components/webapps/browser/installable/installable_metrics.h"
#include "components/webapps/browser/webapps_client.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/page.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/storage_partition.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"
#include "third_party/blink/public/mojom/favicon/favicon_url.mojom.h"
#include "third_party/blink/public/mojom/manifest/display_mode.mojom.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "url/origin.h"
namespace webapps {
namespace {
void OnDidCompleteGetAllErrors(
base::OnceCallback<void(std::vector<content::InstallabilityError>
installability_errors)> callback,
const InstallableData& data) {
std::vector<content::InstallabilityError> installability_errors;
for (auto error : data.errors) {
content::InstallabilityError installability_error =
GetInstallabilityError(error);
if (!installability_error.error_id.empty())
installability_errors.push_back(installability_error);
}
std::move(callback).Run(std::move(installability_errors));
}
void OnDidCompleteGetPrimaryIcon(
base::OnceCallback<void(const SkBitmap*)> callback,
const InstallableData& data) {
std::move(callback).Run(data.primary_icon.get());
}
} // namespace
InstallableManager::InstallableManager(content::WebContents* web_contents)
: content::WebContentsObserver(web_contents),
content::WebContentsUserData<InstallableManager>(*web_contents),
page_data_(std::make_unique<InstallablePageData>()),
sequenced_task_runner_(base::SequencedTaskRunner::GetCurrentDefault()) {
// This is null in unit tests.
if (web_contents) {
content::StoragePartition* storage_partition =
web_contents->GetBrowserContext()->GetStoragePartition(
web_contents->GetSiteInstance());
DCHECK(storage_partition);
}
}
InstallableManager::~InstallableManager() {
}
void InstallableManager::GetData(const InstallableParams& params,
InstallableCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(callback);
// Return immediately if we're already working on a task. The new task will be
// looked at once the current task is finished.
bool was_active = task_queue_.HasCurrent();
task_queue_.Add(std::make_unique<InstallableTask>(
GetWebContents(), weak_factory_.GetWeakPtr(), params, std::move(callback),
*page_data_));
if (was_active)
return;
task_queue_.Current().Start();
}
void InstallableManager::GetAllErrors(
base::OnceCallback<void(std::vector<content::InstallabilityError>
installability_errors)> callback) {
DCHECK(callback);
InstallableParams params;
params.check_eligibility = true;
params.installable_criteria = InstallableCriteria::kValidManifestWithIcons;
params.fetch_screenshots = true;
params.valid_primary_icon = true;
params.is_debug_mode = true;
GetData(params,
base::BindOnce(OnDidCompleteGetAllErrors, std::move(callback)));
}
void InstallableManager::GetPrimaryIcon(
base::OnceCallback<void(const SkBitmap*)> callback) {
DCHECK(callback);
InstallableParams params;
params.valid_primary_icon = true;
GetData(params,
base::BindOnce(OnDidCompleteGetPrimaryIcon, std::move(callback)));
}
void InstallableManager::SetSequencedTaskRunnerForTesting(
scoped_refptr<base::SequencedTaskRunner> task_runner) {
sequenced_task_runner_ = task_runner;
}
InstallableStatusCode InstallableManager::manifest_error() const {
return page_data_->manifest_error();
}
InstallableStatusCode InstallableManager::icon_error() const {
return page_data_->icon_error();
}
GURL InstallableManager::icon_url() const {
return page_data_->primary_icon_url();
}
const SkBitmap* InstallableManager::icon() const {
return page_data_->primary_icon();
}
content::WebContents* InstallableManager::GetWebContents() {
content::WebContents* contents = web_contents();
if (!contents || contents->IsBeingDestroyed())
return nullptr;
return contents;
}
void InstallableManager::Reset(InstallableStatusCode error) {
DCHECK(error != InstallableStatusCode::NO_ERROR_DETECTED);
// Prevent any outstanding callbacks to or from this object from being called.
weak_factory_.InvalidateWeakPtrs();
task_queue_.ResetWithError(error);
page_data_->Reset();
OnResetData();
}
void InstallableManager::OnTaskFinished() {
sequenced_task_runner_->PostTask(
FROM_HERE, base::BindOnce(&InstallableManager::FinishAndStartNextTask,
weak_factory_.GetWeakPtr()));
}
void InstallableManager::FinishAndStartNextTask() {
task_queue_.Next();
if (task_queue_.HasCurrent()) {
task_queue_.Current().Start();
}
}
void InstallableManager::PrimaryPageChanged(content::Page& page) {
Reset(InstallableStatusCode::USER_NAVIGATED);
}
void InstallableManager::DidUpdateWebManifestURL(content::RenderFrameHost* rfh,
const GURL& manifest_url) {
// A change in the manifest URL invalidates our entire internal state.
Reset(InstallableStatusCode::MANIFEST_URL_CHANGED);
}
void InstallableManager::WebContentsDestroyed() {
// This ensures that we do not just hang callbacks on web_contents being
// destroyed.
Reset(InstallableStatusCode::RENDERER_EXITING);
Observe(nullptr);
}
const GURL& InstallableManager::manifest_url() const {
return page_data_->manifest_url();
}
const blink::mojom::Manifest& InstallableManager::manifest() const {
return page_data_->GetManifest();
}
WEB_CONTENTS_USER_DATA_KEY_IMPL(InstallableManager);
} // namespace webapps
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