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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 "chrome/browser/ash/arc/fileapi/arc_documents_provider_root_map.h"
#include "chrome/browser/ash/arc/fileapi/arc_documents_provider_root.h"
#include "chrome/browser/ash/arc/fileapi/arc_documents_provider_root_map_factory.h"
#include "chrome/browser/ash/arc/fileapi/arc_documents_provider_util.h"
#include "chrome/browser/ash/arc/fileapi/arc_media_view_util.h"
#include "chrome/browser/profiles/profile.h"
#include "chromeos/ash/experiences/arc/session/arc_service_manager.h"
#include "content/public/browser/browser_thread.h"
// Enable VLOG level 1.
#undef ENABLED_VLOG_LEVEL
#define ENABLED_VLOG_LEVEL 1
using content::BrowserThread;
namespace arc {
namespace {
struct DocumentsProviderSpec {
const char* authority;
const char* root_document_id;
const char* root_id;
bool read_only;
};
// List of documents providers for media views.
constexpr DocumentsProviderSpec kDocumentsProviderAllowlist[] = {
{kMediaDocumentsProviderAuthority, kImagesRootId, kImagesRootId,
// All roots are now writable after the introduction of this feature
// (b/255697751).
/*read_only=*/false},
{kMediaDocumentsProviderAuthority, kVideosRootId, kVideosRootId,
/*read_only=*/false},
{kMediaDocumentsProviderAuthority, kAudioRootId, kAudioRootId,
/*read_only=*/false},
{kMediaDocumentsProviderAuthority, kDocumentsRootId, kDocumentsRootId,
/*read_only=*/false},
};
} // namespace
// static
ArcDocumentsProviderRootMap* ArcDocumentsProviderRootMap::GetForBrowserContext(
content::BrowserContext* context) {
return ArcDocumentsProviderRootMapFactory::GetForBrowserContext(context);
}
// static
ArcDocumentsProviderRootMap*
ArcDocumentsProviderRootMap::GetForArcBrowserContext() {
return GetForBrowserContext(ArcServiceManager::Get()->browser_context());
}
ArcDocumentsProviderRootMap::ArcDocumentsProviderRootMap(Profile* profile)
: runner_(ArcFileSystemOperationRunner::GetForBrowserContext(profile)) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// ArcDocumentsProviderRootMap is created only for the profile with ARC
// in ArcDocumentsProviderRootMapFactory.
DCHECK(runner_);
for (const auto& spec : kDocumentsProviderAllowlist) {
RegisterRoot(spec.authority, spec.root_document_id, spec.root_id,
spec.read_only, {});
}
}
ArcDocumentsProviderRootMap::~ArcDocumentsProviderRootMap() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK(map_.empty());
}
ArcDocumentsProviderRoot* ArcDocumentsProviderRootMap::ParseAndLookup(
const storage::FileSystemURL& url,
base::FilePath* path) const {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
std::string authority;
std::string root_id;
base::FilePath tmp_path;
if (!ParseDocumentsProviderUrl(url, &authority, &root_id, &tmp_path)) {
return nullptr;
}
ArcDocumentsProviderRoot* root = Lookup(authority, root_id);
if (!root)
return nullptr;
*path = tmp_path;
return root;
}
ArcDocumentsProviderRoot* ArcDocumentsProviderRootMap::Lookup(
const std::string& authority,
const std::string& root_id) const {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
auto iter = map_.find(Key(authority, root_id));
if (iter == map_.end())
return nullptr;
return iter->second.get();
}
void ArcDocumentsProviderRootMap::RegisterRoot(
const std::string& authority,
const std::string& root_document_id,
const std::string& root_id,
bool read_only,
const std::vector<std::string>& mime_types) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
Key key(authority, root_id);
if (map_.find(key) != map_.end()) {
VLOG(1) << "Trying to register (" << authority << ", " << root_id
<< ") which is already registered.";
return;
}
map_.emplace(key, std::make_unique<ArcDocumentsProviderRoot>(
runner_, authority, root_document_id, root_id,
read_only, mime_types));
}
void ArcDocumentsProviderRootMap::UnregisterRoot(const std::string& authority,
const std::string& root_id) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (!map_.erase(Key(authority, root_id))) {
VLOG(1) << "Trying to unregister (" << authority << ", " << root_id
<< ") which is not registered.";
}
}
void ArcDocumentsProviderRootMap::Shutdown() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// ArcDocumentsProviderRoot has a reference to another KeyedService
// (ArcFileSystemOperationRunner), so we need to destruct them on shutdown.
map_.clear();
}
} // namespace arc
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