src_wearable/jobs/widget_uninstall/task_remove_files.cpp

   1 /*
   2  * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  *    Licensed under the Apache License, Version 2.0 (the "License");
   5  *    you may not use this file except in compliance with the License.
   6  *    You may obtain a copy of the License at
   7  *
   8  *        http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  *    Unless required by applicable law or agreed to in writing, software
  11  *    distributed under the License is distributed on an "AS IS" BASIS,
  12  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  *    See the License for the specific language governing permissions and
  14  *    limitations under the License.
  15  */
  16 /**
  17  * @file    task_remove_files.cpp
  18  * @author  Lukasz Wrzosek(l.wrzosek@samsung.com)
  19  * @version 1.0
  20  * @brief   Implementation file for uninstaller task for removing widget files
  21  */
  22
  23 #include <unistd.h>
  24 #include <widget_uninstall/task_remove_files.h>
  25 #include <widget_uninstall/job_widget_uninstall.h>
  26 #include <widget_uninstall/uninstaller_context.h>
  27 #include <widget_uninstall/widget_uninstall_errors.h>
  28 #include <dpl/wrt-dao-rw/widget_dao.h>
  29 #include <dpl/wrt-dao-ro/widget_config.h>
  30 #include <dpl/assert.h>
  31 #include <dpl/exception.h>
  32 #include <dpl/utils/wrt_utility.h>
  33 #include <dpl/utils/path.h>
  34 #include <ail.h>
  35 #include <pkgmgr/pkgmgr_parser.h>
  36 #include <errno.h>
  37 #include <string.h>
  38 #include <widget_install_to_external.h>
  39 #include <installer_log.h>
  40
  41 namespace Jobs {
  42 namespace WidgetUninstall {
  43 using namespace WrtDB;
  44
  45 TaskRemoveFiles::TaskRemoveFiles(UninstallerContext& context) :
  46     DPL::TaskDecl<TaskRemoveFiles>(this),
  47     m_context(context)
  48 {
  49     AddStep(&TaskRemoveFiles::StartStep);
  50     AddStep(&TaskRemoveFiles::StepRemoveInstallationDirectory);
  51     AddStep(&TaskRemoveFiles::StepRemoveFinished);
  52     AddStep(&TaskRemoveFiles::EndStep);
  53 }
  54
  55 TaskRemoveFiles::~TaskRemoveFiles()
  56 {}
  57
  58 void TaskRemoveFiles::StepRemoveInstallationDirectory()
  59 {
  60     _D("StepRemoveInstallationDirectory started");
  61     Try {
  62         int ret = app2ext_get_app_location(m_context.tzPkgid.c_str());
  63
  64         if (APP2EXT_SD_CARD == ret) {
  65             _D("Remove external directory");
  66             Try {
  67                 WidgetInstallToExtSingleton::Instance().initialize(m_context.tzPkgid);
  68                 WidgetInstallToExtSingleton::Instance().uninstallation();
  69                 WidgetInstallToExtSingleton::Instance().deinitialize();
  70             }
  71             Catch(WidgetInstallToExt::Exception::ErrorInstallToExt)
  72             {
  73                 // Continue uninstall even fail to remove external directory.
  74                 // i.e.) SD card isn't inserted or unmounted.
  75                 // This behavior is recommended by platform(app2sd maintainer).
  76                 _E("Fail to remove external directory");
  77             }
  78          }
  79         if (APP2EXT_NOT_INSTALLED != ret) {
  80             _D("Removing directory");
  81             m_context.removeStarted = true;
  82             DPL::Utils::Path widgetDir= m_context.installedPath;
  83             Try{
  84                 DPL::Utils::Remove(widgetDir);
  85             } Catch(DPL::Utils::Path::BaseException){
  86                 _E("Removing widget installation directory failed : %s", widgetDir.Fullpath().c_str());
  87             }
  88             DPL::Utils::Path dataDir(m_context.locations->getUserDataRootDir());
  89             Try{
  90                 DPL::Utils::Remove(dataDir);
  91             } Catch(DPL::Utils::Path::BaseException){
  92                 _W("%s is already removed", dataDir.Fullpath().c_str());
  93             }
  94         } else {
  95             _E("app is not installed");
  96             ThrowMsg(Exceptions::WidgetNotExist, "failed to get app location");
  97         }
  98     } Catch(Exception::RemoveFilesFailed) {
  99         ThrowMsg(Exceptions::RemoveFileFailure, "Cann't remove directory");
 100     }
 101     m_context.job->UpdateProgress(
 102         UninstallerContext::UNINSTALL_REMOVE_WIDGETDIR,
 103         "Widget INstallation Directory Removal Finished");
 104 }
 105
 106 void TaskRemoveFiles::StepRemoveFinished()
 107 {
 108     _D("StepRemoveFinished finished");
 109
 110     m_context.job->UpdateProgress(
 111         UninstallerContext::UNINSTALL_REMOVE_FINISHED,
 112         "Widget remove steps Finished");
 113 }
 114
 115 void TaskRemoveFiles::StartStep()
 116 {
 117     LOGD("--------- <TaskRemoveFiles> : START ----------");
 118 }
 119
 120 void TaskRemoveFiles::EndStep()
 121 {
 122     LOGD("--------- <TaskRemoveFiles> : END ----------");
 123 }
 124 } //namespace WidgetUninstall
 125 } //namespace Jobs