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// Copyright 2013 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 "chrome/browser/chromeos/extensions/file_manager/private_api_tasks.h"
#include "chrome/browser/chromeos/drive/file_system_util.h"
#include "chrome/browser/chromeos/extensions/file_manager/private_api_util.h"
#include "chrome/browser/chromeos/file_manager/file_tasks.h"
#include "chrome/browser/chromeos/file_manager/fileapi_util.h"
#include "chrome/browser/chromeos/file_manager/mime_util.h"
#include "chrome/browser/chromeos/fileapi/file_system_backend.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/extensions/api/file_browser_private.h"
#include "content/public/browser/render_view_host.h"
#include "webkit/browser/fileapi/file_system_context.h"
#include "webkit/browser/fileapi/file_system_url.h"
using extensions::app_file_handler_util::PathAndMimeTypeSet;
using extensions::Extension;
using fileapi::FileSystemURL;
namespace extensions {
namespace {
// Error messages.
const char kInvalidFileUrl[] = "Invalid file URL";
// Make a set of unique filename suffixes out of the list of file URLs.
std::set<std::string> GetUniqueSuffixes(
const std::vector<std::string>& file_url_list,
const fileapi::FileSystemContext* context) {
std::set<std::string> suffixes;
for (size_t i = 0; i < file_url_list.size(); ++i) {
const FileSystemURL url = context->CrackURL(GURL(file_url_list[i]));
if (!url.is_valid() || url.path().empty())
return std::set<std::string>();
// We'll skip empty suffixes.
if (!url.path().Extension().empty())
suffixes.insert(url.path().Extension());
}
return suffixes;
}
// Make a set of unique MIME types out of the list of MIME types.
std::set<std::string> GetUniqueMimeTypes(
const std::vector<std::string>& mime_type_list) {
std::set<std::string> mime_types;
for (size_t i = 0; i < mime_type_list.size(); ++i) {
std::string mime_type;
// We'll skip empty MIME types.
if (!mime_type.empty())
mime_types.insert(mime_type);
}
return mime_types;
}
} // namespace
bool FileBrowserPrivateExecuteTaskFunction::RunImpl() {
using extensions::api::file_browser_private::ExecuteTask::Params;
const scoped_ptr<Params> params(Params::Create(*args_));
EXTENSION_FUNCTION_VALIDATE(params);
// TODO(kaznacheev): Crack the task_id here, store it in the Executor
// and avoid passing it around.
file_manager::file_tasks::TaskDescriptor task;
if (!file_manager::file_tasks::ParseTaskID(params->task_id, &task)) {
LOG(WARNING) << "Invalid task " << params->task_id;
return false;
}
if (params->file_urls.empty())
return true;
const scoped_refptr<fileapi::FileSystemContext> file_system_context =
file_manager::util::GetFileSystemContextForRenderViewHost(
GetProfile(), render_view_host());
std::vector<FileSystemURL> file_urls;
for (size_t i = 0; i < params->file_urls.size(); i++) {
const FileSystemURL url =
file_system_context->CrackURL(GURL(params->file_urls[i]));
if (!chromeos::FileSystemBackend::CanHandleURL(url)) {
error_ = kInvalidFileUrl;
return false;
}
file_urls.push_back(url);
}
const int32 tab_id = file_manager::util::GetTabId(dispatcher());
return file_manager::file_tasks::ExecuteFileTask(
GetProfile(),
source_url(),
extension_->id(),
tab_id,
task,
file_urls,
base::Bind(&FileBrowserPrivateExecuteTaskFunction::OnTaskExecuted, this));
}
void FileBrowserPrivateExecuteTaskFunction::OnTaskExecuted(bool success) {
SetResult(new base::FundamentalValue(success));
SendResponse(true);
}
bool FileBrowserPrivateGetFileTasksFunction::RunImpl() {
using extensions::api::file_browser_private::GetFileTasks::Params;
const scoped_ptr<Params> params(Params::Create(*args_));
EXTENSION_FUNCTION_VALIDATE(params);
if (params->file_urls.empty())
return false;
// MIME types can either be empty, or there needs to be one for each file.
if (params->mime_types.size() != params->file_urls.size() &&
params->mime_types.size() != 0)
return false;
const scoped_refptr<fileapi::FileSystemContext> file_system_context =
file_manager::util::GetFileSystemContextForRenderViewHost(
GetProfile(), render_view_host());
// Collect all the URLs, convert them to GURLs, and crack all the urls into
// file paths.
PathAndMimeTypeSet path_mime_set;
std::vector<GURL> file_urls;
for (size_t i = 0; i < params->file_urls.size(); ++i) {
std::string mime_type;
if (params->mime_types.size() != 0)
mime_type = params->mime_types[i];
const GURL file_url(params->file_urls[i]);
fileapi::FileSystemURL file_system_url(
file_system_context->CrackURL(file_url));
if (!chromeos::FileSystemBackend::CanHandleURL(file_system_url))
continue;
const base::FilePath file_path = file_system_url.path();
file_urls.push_back(file_url);
// If MIME type is not provided, guess it from the file path.
if (mime_type.empty())
mime_type = file_manager::util::GetMimeTypeForPath(file_path);
path_mime_set.insert(std::make_pair(file_path, mime_type));
}
std::vector<file_manager::file_tasks::FullTaskDescriptor> tasks;
file_manager::file_tasks::FindAllTypesOfTasks(
GetProfile(),
drive::util::GetDriveAppRegistryByProfile(GetProfile()),
path_mime_set,
file_urls,
&tasks);
// Convert the tasks into JSON compatible objects.
using api::file_browser_private::FileTask;
std::vector<linked_ptr<FileTask> > results;
for (size_t i = 0; i < tasks.size(); ++i) {
const file_manager::file_tasks::FullTaskDescriptor& task = tasks[i];
const linked_ptr<FileTask> converted(new FileTask);
converted->task_id = file_manager::file_tasks::TaskDescriptorToId(
task.task_descriptor());
if (!task.icon_url().is_empty())
converted->icon_url = task.icon_url().spec();
converted->title = task.task_title();
converted->is_default = task.is_default();
results.push_back(converted);
}
results_ = extensions::api::file_browser_private::GetFileTasks::Results::
Create(results);
SendResponse(true);
return true;
}
bool FileBrowserPrivateSetDefaultTaskFunction::RunImpl() {
using extensions::api::file_browser_private::SetDefaultTask::Params;
const scoped_ptr<Params> params(Params::Create(*args_));
EXTENSION_FUNCTION_VALIDATE(params);
const scoped_refptr<fileapi::FileSystemContext> file_system_context =
file_manager::util::GetFileSystemContextForRenderViewHost(
GetProfile(), render_view_host());
const std::set<std::string> suffixes =
GetUniqueSuffixes(params->file_urls, file_system_context.get());
// MIME types are an optional parameter.
std::set<std::string> mime_types;
if (params->mime_types && !params->mime_types->empty()) {
if (params->mime_types->size() != params->file_urls.size())
return false;
mime_types = GetUniqueMimeTypes(*params->mime_types);
}
// If there weren't any mime_types, and all the suffixes were blank,
// then we "succeed", but don't actually associate with anything.
// Otherwise, any time we set the default on a file with no extension
// on the local drive, we'd fail.
// TODO(gspencer): Fix file manager so that it never tries to set default in
// cases where extensionless local files are part of the selection.
if (suffixes.empty() && mime_types.empty()) {
SetResult(new base::FundamentalValue(true));
return true;
}
file_manager::file_tasks::UpdateDefaultTask(
GetProfile()->GetPrefs(), params->task_id, suffixes, mime_types);
return true;
}
} // namespace extensions
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