chrome/browser/chromeos/drive/file_task_executor.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chromeos/drive/file_task_executor.h"
   6
   7 #include <string>
   8 #include <vector>
   9
  10 #include "chrome/browser/chromeos/drive/drive.pb.h"
  11 #include "chrome/browser/chromeos/drive/drive_integration_service.h"
  12 #include "chrome/browser/chromeos/drive/file_system_interface.h"
  13 #include "chrome/browser/drive/drive_service_interface.h"
  14 #include "chrome/browser/profiles/profile_manager.h"
  15 #include "chrome/browser/ui/browser.h"
  16 #include "chrome/browser/ui/browser_tabstrip.h"
  17 #include "chrome/browser/ui/browser_window.h"
  18 #include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
  19 #include "content/public/browser/browser_thread.h"
  20 #include "webkit/browser/fileapi/file_system_url.h"
  21
  22 using fileapi::FileSystemURL;
  23
  24 namespace drive {
  25
  26 FileTaskExecutor::FileTaskExecutor(Profile* profile,
  27                                    const std::string& app_id)
  28   : profile_(profile),
  29     app_id_(app_id),
  30     current_index_(0),
  31     weak_ptr_factory_(this) {
  32 }
  33
  34 FileTaskExecutor::~FileTaskExecutor() {
  35 }
  36
  37 void FileTaskExecutor::Execute(
  38     const std::vector<FileSystemURL>& file_urls,
  39     const file_manager::file_tasks::FileTaskFinishedCallback& done) {
  40   done_ = done;
  41
  42   std::vector<base::FilePath> paths;
  43   for (size_t i = 0; i < file_urls.size(); ++i) {
  44     base::FilePath path = util::ExtractDrivePathFromFileSystemUrl(file_urls[i]);
  45     if (path.empty()) {
  46       Done(false);
  47       return;
  48     }
  49     paths.push_back(path);
  50   }
  51
  52   FileSystemInterface* file_system = util::GetFileSystemByProfile(profile_);
  53   if (!file_system) {
  54     Done(false);
  55     return;
  56   }
  57
  58   // Reset the index, so we know when we're done.
  59   DCHECK_EQ(current_index_, 0);
  60   current_index_ = paths.size();
  61
  62   for (size_t i = 0; i < paths.size(); ++i) {
  63     file_system->GetResourceEntry(
  64         paths[i],
  65         base::Bind(&FileTaskExecutor::OnFileEntryFetched,
  66                    weak_ptr_factory_.GetWeakPtr()));
  67   }
  68 }
  69
  70 void FileTaskExecutor::OnFileEntryFetched(FileError error,
  71                                           scoped_ptr<ResourceEntry> entry) {
  72   // Here, we are only interested in files.
  73   if (entry.get() && !entry->has_file_specific_info())
  74     error = FILE_ERROR_NOT_FOUND;
  75
  76   DriveServiceInterface* drive_service =
  77       util::GetDriveServiceByProfile(profile_);
  78
  79   if (!drive_service || error != FILE_ERROR_OK) {
  80     Done(false);
  81     return;
  82   }
  83
  84   // Send off a request for the drive service to authorize the apps for the
  85   // current document entry for this document so we can get the
  86   // open-with-<app_id> urls from the document entry.
  87   drive_service->AuthorizeApp(entry->resource_id(),
  88                               app_id_,
  89                               base::Bind(&FileTaskExecutor::OnAppAuthorized,
  90                                          weak_ptr_factory_.GetWeakPtr(),
  91                                          entry->resource_id()));
  92 }
  93
  94 void FileTaskExecutor::OnAppAuthorized(const std::string& resource_id,
  95                                        google_apis::GDataErrorCode error,
  96                                        const GURL& open_link) {
  97   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
  98
  99   DriveIntegrationService* service =
 100       DriveIntegrationServiceFactory::FindForProfile(profile_);
 101   if (!service || !service->IsMounted() ||
 102       error != google_apis::HTTP_SUCCESS || open_link.is_empty()) {
 103     Done(false);
 104     return;
 105   }
 106
 107   {
 108     chrome::ScopedTabbedBrowserDisplayer displayer(
 109          profile_, chrome::HOST_DESKTOP_TYPE_ASH);
 110     chrome::AddSelectedTabWithURL(displayer.browser(), open_link,
 111                                   content::PAGE_TRANSITION_LINK);
 112   }
 113
 114   // We're done with this file.  If this is the last one, then we're done.
 115   current_index_--;
 116   DCHECK_GE(current_index_, 0);
 117   if (current_index_ == 0)
 118     Done(true);
 119 }
 120
 121 void FileTaskExecutor::Done(bool success) {
 122   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 123   if (!done_.is_null())
 124     done_.Run(success);
 125   delete this;
 126 }
 127
 128 }  // namespace drive