Class: Vapir::IE::Process

Inherits:
Object
  • Object
show all
Defined in:
lib/vapir-ie/ie-process.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(process_id) ⇒ Process

Returns a new instance of Process.



34
35
36
 
# File 'lib/vapir-ie/ie-process.rb', line 34

def initialize process_id
  @process_id = process_id
end

Instance Attribute Details

#process_id ⇒ Object (readonly)

Returns the value of attribute process_id.



37
38
39
 
# File 'lib/vapir-ie/ie-process.rb', line 37

def process_id
  @process_id
end

Class Method Details

.process_id_from_hwnd(hwnd) ⇒ Object

Returns the process id for the specifed hWnd.



51
52
53
54
55
56
 
# File 'lib/vapir-ie/ie-process.rb', line 51

def self.process_id_from_hwnd hwnd
  pid_info = ' ' * 32
  Win32API.new('user32', 'GetWindowThreadProcessId', 'ip', 'i').
  call(hwnd, pid_info)
  process_id =  pid_info.unpack("L")[0]
end

.start ⇒ Object

Vapir::IE::Process.start is called by Vapir::IE.new_process and does not start a new process correctly in IE8. Calling IE8 with the -nomerge option correctly starts a new process, so call Process.create with this option if IE’s version is 8



24
25
26
27
28
29
30
31
32
 
# File 'lib/vapir-ie/ie-process.rb', line 24

def self.start
  program_files = ENV['ProgramFiles'] || "c:\\Program Files"
  startup_command = "#{program_files}\\Internet Explorer\\iexplore.exe"
  startup_command << " -nomerge" if ::Vapir::IE.version_parts.first==8
  # maybe raise an error here if it's > 8, as not-yet-supported? who knows what incompatibilities the future will hold 
  process_info = ::Process.create('app_name' => "#{startup_command} about:blank")
  process_id = process_info.process_id
  new process_id
end

Instance Method Details

#window ⇒ Object 



39
40
41
42
43
44
45
46
47
48
 
# File 'lib/vapir-ie/ie-process.rb', line 39

def window
  Waiter.wait_until do
    IE.each do | ie |
      window = ie.ie
      hwnd = ie.hwnd
      process_id = Process.process_id_from_hwnd hwnd
      return window if process_id == @process_id
    end
  end
end