dmayer/idb

module Idb
  class AppListDialog < Qt::Dialog
    attr_accessor :app_list

    def initialize(*args)
      super(*args)

      setWindowTitle("App Selection")
      @layout = Qt::GridLayout.new
      setLayout(@layout)

      @app_list = Qt::ListWidget.new self
      @app_list.setSortingEnabled(true)
      @app_list.connect(SIGNAL('itemDoubleClicked(QListWidgetItem*)')) do |_item|
        emit accept
      end
      @layout.addWidget @app_list, 0, 0, 1, 2

      @save_button = Qt::PushButton.new "Select"
      @save_button.setDefault true

      @save_button.connect(SIGNAL(:released)) do |_x|
        accept
      end
      @cancel_button = Qt::PushButton.new "Cancel"
      @cancel_button.connect(SIGNAL(:released)) do |_x|
        reject
      end

      @save_button.setEnabled(false) unless refresh_app_list

      @layout.addWidget @save_button, 1, 1
      @layout.addWidget @cancel_button, 1, 0

      setFixedHeight(500)
      setFixedWidth(400)
    end

    def refresh_app_list
      if $device.ios_version >= 8 && $device.ios_version != 10
        refresh_msg = "Refreshing uicache to ensure app information is" \
                      "up-to-date. This may take a few seconds."
        box = Qt::MessageBox.new 1, "Refreshing...", refresh_msg
        box.setStandardButtons(0)
        box.show
        box.raise
        # need to refresh iOS uicache in case app was installed after last reboot.
        # Otherwise /var/mobile/Library/MobileInstallation/LastLaunchServicesMap.plist
        # will be out of date
        $device.ops.execute "/bin/su mobile -c /usr/bin/uicache"
        box.hide
      end

      begin
        app_uuids = $device.app_uuids
      rescue StandardError
        error = Qt::MessageBox.new
        msg = "Unable to get list of applications. Ensure that " \
              "you have at least one non-system app installed."
        error.setInformativeText(msg)
        error.setIcon(Qt::MessageBox::Critical)
        error.exec
        return false
      end

      progress = Qt::ProgressDialog.new "Reading App list...", nil, 1, app_uuids.size, self
      progress.setAutoClose true
      progress.setWindowModality(Qt::WindowModal)
      progress.show
      progress.raise

      app_uuids.each do |uuid|
        a = App.new uuid

        i = AppListWidgetItem.new @app_list, 0
        i.setText(a.bundle_id.to_s + " => " + a.bundle_name.to_s)
        i.app = a
        @app_list.add_item i
        progress.setValue(progress.value + 1)
      end
    end
  end
end