src/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/ash/multi_user/multi_user_util.h"
  16 #include "chrome/browser/ui/browser.h"
  17 #include "chrome/browser/ui/browser_tabstrip.h"
  18 #include "chrome/browser/ui/browser_window.h"
  19 #include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
  20 #include "chrome/common/extensions/api/file_manager_private.h"
  21 #include "content/public/browser/browser_thread.h"
  22 #include "storage/browser/fileapi/file_system_url.h"
  23
  24 using storage::FileSystemURL;
  25
  26 namespace drive {
  27
  28 namespace {
  29
  30 class FileTaskExecutorDelegateImpl : public FileTaskExecutorDelegate {
  31  public:
  32   explicit FileTaskExecutorDelegateImpl(Profile* profile) : profile_(profile) {
  33   }
  34
  35   virtual FileSystemInterface* GetFileSystem() override {
  36     return util::GetFileSystemByProfile(profile_);
  37   }
  38
  39   virtual DriveServiceInterface* GetDriveService() override {
  40     return util::GetDriveServiceByProfile(profile_);
  41   }
  42
  43   virtual void OpenBrowserWindow(const GURL& open_link) override {
  44     chrome::ScopedTabbedBrowserDisplayer displayer(
  45          profile_, chrome::HOST_DESKTOP_TYPE_ASH);
  46     chrome::AddSelectedTabWithURL(displayer.browser(), open_link,
  47                                   ui::PAGE_TRANSITION_LINK);
  48     // Since the ScopedTabbedBrowserDisplayer does not guarantee that the
  49     // browser will be shown on the active desktop, we ensure the visibility.
  50     multi_user_util::MoveWindowToCurrentDesktop(
  51         displayer.browser()->window()->GetNativeWindow());
  52   }
  53
  54  private:
  55   Profile* const profile_;
  56 };
  57
  58 }  // namespace
  59
  60 FileTaskExecutor::FileTaskExecutor(Profile* profile, const std::string& app_id)
  61   : delegate_(new FileTaskExecutorDelegateImpl(profile)),
  62     app_id_(app_id),
  63     current_index_(0),
  64     weak_ptr_factory_(this) {
  65 }
  66
  67 FileTaskExecutor::FileTaskExecutor(
  68     scoped_ptr<FileTaskExecutorDelegate> delegate,
  69     const std::string& app_id)
  70   : delegate_(delegate.Pass()),
  71     app_id_(app_id),
  72     current_index_(0),
  73     weak_ptr_factory_(this) {
  74 }
  75
  76 FileTaskExecutor::~FileTaskExecutor() {
  77 }
  78
  79 void FileTaskExecutor::Execute(
  80     const std::vector<FileSystemURL>& file_urls,
  81     const file_manager::file_tasks::FileTaskFinishedCallback& done) {
  82   DCHECK(!file_urls.empty());
  83
  84   done_ = done;
  85
  86   std::vector<base::FilePath> paths;
  87   for (size_t i = 0; i < file_urls.size(); ++i) {
  88     base::FilePath path = util::ExtractDrivePathFromFileSystemUrl(file_urls[i]);
  89     if (path.empty()) {
  90       Done(false);
  91       return;
  92     }
  93     paths.push_back(path);
  94   }
  95
  96   FileSystemInterface* const file_system = delegate_->GetFileSystem();
  97   if (!file_system) {
  98     Done(false);
  99     return;
 100   }
 101
 102   // Reset the index, so we know when we're done.
 103   DCHECK_EQ(current_index_, 0);
 104   current_index_ = paths.size();
 105
 106   for (size_t i = 0; i < paths.size(); ++i) {
 107     file_system->GetResourceEntry(
 108         paths[i],
 109         base::Bind(&FileTaskExecutor::OnFileEntryFetched,
 110                    weak_ptr_factory_.GetWeakPtr()));
 111   }
 112 }
 113
 114 void FileTaskExecutor::OnFileEntryFetched(FileError error,
 115                                           scoped_ptr<ResourceEntry> entry) {
 116   // Here, we are only interested in files.
 117   if (entry.get() && !entry->has_file_specific_info())
 118     error = FILE_ERROR_NOT_FOUND;
 119
 120   DriveServiceInterface* const drive_service = delegate_->GetDriveService();
 121   if (!drive_service || error != FILE_ERROR_OK) {
 122     Done(false);
 123     return;
 124   }
 125
 126   // Send off a request for the drive service to authorize the apps for the
 127   // current document entry for this document so we can get the
 128   // open-with-<app_id> urls from the document entry.
 129   drive_service->AuthorizeApp(entry->resource_id(),
 130                               app_id_,
 131                               base::Bind(&FileTaskExecutor::OnAppAuthorized,
 132                                          weak_ptr_factory_.GetWeakPtr(),
 133                                          entry->resource_id()));
 134 }
 135
 136 void FileTaskExecutor::OnAppAuthorized(const std::string& resource_id,
 137                                        google_apis::GDataErrorCode error,
 138                                        const GURL& open_link) {
 139   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 140
 141   if (error != google_apis::HTTP_SUCCESS || open_link.is_empty()) {
 142     Done(false);
 143     return;
 144   }
 145
 146   delegate_->OpenBrowserWindow(open_link);
 147
 148   // We're done with this file.  If this is the last one, then we're done.
 149   current_index_--;
 150   DCHECK_GE(current_index_, 0);
 151   if (current_index_ == 0)
 152     Done(true);
 153 }
 154
 155 void FileTaskExecutor::Done(bool success) {
 156   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 157   if (!done_.is_null())
 158     done_.Run(success
 159                   ? extensions::api::file_manager_private::TASK_RESULT_OPENED
 160                   : extensions::api::file_manager_private::TASK_RESULT_FAILED);
 161   delete this;
 162 }
 163
 164 }  // namespace drive