lib/Selenium/ActionChains.pm

package Selenium::ActionChains;
$Selenium::ActionChains::VERSION = '1.26';
use strict;
use warnings;

# ABSTRACT: Action chains for Selenium::Remote::Driver
use Moo;


has 'driver' => (
    is => 'ro',
);

has 'actions' => (
    is => 'lazy',
    builder => sub { [] },
    clearer => 1,
);

sub perform {
    my $self = shift;
    foreach my $action (@{$self->actions}) {
        $action->();
    }
}

sub click {
    my $self = shift;
    my $element = shift;
    if ($element) {
       $self->move_to_element($element);
    }
    # left click
    push @{$self->actions}, sub { $self->driver->click('LEFT') };
    $self;
}

sub click_and_hold {
    my $self = shift;
    my $element = shift;
    if ($element) {
       $self->move_to_element($element);
    }
    push @{$self->actions}, sub { $self->driver->button_down };
    $self;
}

sub context_click {
    my $self = shift;
    my $element = shift;
    if ($element) {
       $self->move_to_element($element);
    }
    # right click
    push @{$self->actions}, sub { $self->driver->click('RIGHT') };
    $self;
}


sub double_click {
    my $self = shift;
    my $element = shift;
    if ($element) {
       $self->move_to_element($element);
    }
    push @{$self->actions}, sub { $self->driver->double_click };
    $self;
}

sub release {
    my $self = shift;
    my $element = shift;
    if ($element) {
       $self->move_to_element($element);
    }
    push @{$self->actions}, sub { $self->driver->button_up };
    $self;
}

sub drag_and_drop {
    my $self = shift;
    my ($source,$target) = @_;
    $self->click_and_hold($source);
    $self->release($target);
    $self;
}

sub drag_and_drop_by_offset {
    my $self = shift;
    my ($source,$xoffset,$yoffset) = @_;
    $self->click_and_hold($source);
    $self->move_by_offset($xoffset,$yoffset);
    $self->release($source);
    $self;
}

sub move_to_element {
    my $self    = shift;
    my $element = shift;
    push @{ $self->actions },
      sub { $self->driver->move_to( element => $element ) };
    $self;
}

sub move_by_offset {
    my $self = shift;
    my ( $xoffset, $yoffset ) = @_;
    push @{ $self->actions }, sub {
        $self->driver->move_to( xoffset => $xoffset, yoffset => $yoffset );
    };
    $self;
}

sub move_to_element_with_offset {
    my $self = shift;
    my ( $element, $xoffset, $yoffset ) = @_;
    push @{ $self->actions }, sub {
        $self->driver->move_to( element => $element, xoffset => $xoffset,
            yoffset => $yoffset );
    };
    $self;
}

sub key_down {
    my $self = shift;
    my ($value ,$element) = @_;
    if (defined($element)) {
        $self->click($element);
    }
    push @{ $self->actions }, sub { $self->driver->send_keys_to_active_element(@$value) };
    $self;
}

sub key_up {
    my $self = shift;
    my ($value ,$element) = @_;
    if (defined($element)) {
        $self->click($element);
    }
    push @{ $self->actions }, sub { $self->driver->send_keys_to_active_element(@$value) };
    $self;
}

sub send_keys {
    my $self = shift;
    my $keys = shift;
    push @{ $self->actions} , sub { $self->driver->get_active_element->send_keys($keys) };
    $self;
}

sub send_keys_to_element {
    my $self = shift;
    my ($element,$keys) = @_;
    push @{ $self->actions }, sub { $element->send_keys($keys) };
    $self;
}

1;

__END__

=pod

=encoding UTF-8

=head1 NAME

Selenium::ActionChains - Action chains for Selenium::Remote::Driver

=head1 VERSION

version 1.26

=head1 SYNOPSIS

    use Selenium::Remote::Driver;
    use Selenium::ActionChains;

    my $driver = Selenium::Remote::Driver->new;
    my $action_chains = Selenium::ActionChains->new(driver => $driver);

    $driver->get("http://www.some.web/site");
    my $elt_1 = $driver->find_element("//*[\@id='someid']");
    my $elt_2 = $driver->find_element("//*[\@id='someotherid']");
    $action_chains->send_keys_to_element($elt_1)->click($elt_2)->perform;

=head1 DESCRIPTION

This module implements ActionChains for Selenium, which is a way of automating
low level interactions like mouse movements, mouse button actions , key presses and
context menu interactions.
The code was inspired by the L<Python implementation|http://selenium.googlecode.com/svn/trunk/docs/api/py/_modules/selenium/webdriver/common/action_chains.html#ActionChains>.

=for Pod::Coverage driver

=head1 DRAG AND DROP IS NOT WORKING !

The implementation contains a drag_and_drop function, but due to Selenium limitations, it is L<not working|https://code.google.com/p/selenium/issues/detail?id=3604>.

Nevertheless, we decided to implement the function, because eventually one day it will work.

In the meantime, there are workarounds that can be used to simulate drag and drop, like L<this StackOverflow post|http://stackoverflow.com/questions/29381233/how-to-simulate-html5-drag-and-drop-in-selenium-webdriver-in-python>.

=head1 FUNCTIONS

=head2 new

Creates a new ActionChains object. Requires a Selenium::Remote::Driver as a mandatory parameter:

    my $driver = Selenium::Remote::Driver->new;
    my $action_chains = Selenium::ActionChains->new(driver => $driver);

=head2 perform

Performs all the actions stored in the ActionChains object in the order they were called:

    Args: None

    Usage:
        my $action_chains = Selenium::ActionChains->new(driver => $driver);
        # assuming that $some_element and $other_element are valid
        # Selenium::Remote::WebElement objects
        $action_chains->click($some_element);
        $action_chains->move_to_element($other_element);
        $action_chains->click($other_element);
        # click some_element, move to other_element, then click other_element
        $action_chains->perform;

=head2 click

Clicks an element. If none specified, clicks on current mouse position.

    Args: A Selenium::Remote::WebElement object

    Usage:
        my $element = $driver->find_element("//div[\@id='some_id']");
        $action_chains->click($element);

=head2 click_and_hold

Holds down the left mouse button on an element. If none specified, clicks on current
mouse position.

    Args: A Selenium::Remote::WebElement object

    Usage:
        my $element = $driver->find_element("//div[\@id='some_id']");
        $action_chains->click_and_hold($element);

=head2 context_click

Right clicks an element. If none specified, right clicks on current mouse
position.

    Args: A Selenium::Remote::WebElement object

    Usage:
        my $element = $driver->find_element("//div[\@id='some_id']");
        $action_chains->context_click($element);

=head2 double_click

Double clicks an element. If none specified, double clicks on current mouse
position.

    Args: A Selenium::Remote::WebElement object

    Usage:
        my $element = $driver->find_element("//div[\@id='some_id']");
        $action_chains->double_click($element);

=head2 drag_and_drop - NOT WORKING

Holds down the left mouse button on the source element, then moves to the target
element and releases the mouse button. IT IS NOT WORKING DUE TO CURRENT SELENIUM
LIMITATIONS.

    Args:
       A source Selenium::Remote::WebElement object
       A target Selenium::Remote::WebElement object

    Usage:
        my $src_element = $driver->find_element("//*[\@class='foo']");
        my $tgt_element = $driver->find_element("//*[\@class='bar']");
        $action_chains->drag_and_drop($src_element,$tgt_element);

=head2 drag_and_drop_by_offset - NOT WORKING

Holds down the left mouse button on the source element, then moves to the offset
specified and releases the mouse button. IT IS NOT WORKING DUE TO CURRENT SELENIUM
LIMITATIONS.

    Args:
       A source Selenium::Remote::WebElement object
       An integer X offset
       An integer Y offset

    Usage:
        my $src_element = $driver->find_element("//*[\@class='foo']");
        my $xoffset = 10;
        my $yoffset = 10;
        $action_chains->drag_and_drop($src_element,$xoffset,$yoffset);

=head2 key_down

Sends key presses only, without releasing them.
Should be used only with modifier keys (Control, Alt, Shift)

    Args:
        An array ref to keys to send. Use the KEY constant from Selenium::Remote::WDKeys
        The element to send keys to. If none, sends keys to the current focused element

    Usage:
        use Selenium::Remote::WDKeys 'KEYS';
        $action_chains->key_down( [ KEYS->{'alt'} ] );

=head2 key_up

Releases a mofifier key.

    Args:
        An array ref to keys to send. Use the KEY constant from Selenium::Remote::WDKeys
        The element to send keys to. If none, sends keys to the current focused element

    Usage:
        use Selenium::Remote::WDKeys 'KEYS';
        my $element = $driver->find_element('foo','id');
        $action_chains->key_up( [ KEYS->{'alt'} ],$element);

=head2 move_by_offset

Moves the mouse to an offset from current mouse position.

    Args:
        An integer X offset
        An integer Y offset

    Usage:
        $action_chains->move_by_offset(10,100);

=head2 move_to_element

Moves the mouse to the middle of an element

    Args:
        A Selenium::Remote::WebElement to move to

    Usage:
        my $element = $driver->find_element('foo','id');
        $action_chains->move_to_element($element);

=head2 move_to_element_with_offset

Moves the mouse by an offset of the specified element.
Offsets are relative to the top-left corner of the element

    Args:
        A Selenium::Remote::WebElement
        An integer X offset
        An integer Y offset

    Usage:
        my $element = $driver->find_element('foo','id');
        $action_chains->move_to_element_with_offset($element,10,10);

=head2 release

Releases a held mouse_button

    Args:
        A Selenium::Remote::WebElement, the element to mouse up

    Usage:
        my $element = $driver->find_element('foo','id');
        $action_chains->release($element);

=head2 send_keys

Sends keys to the currently focused element

    Args:
        The keys to send

    Usage:
        $action_chains->send_keys('abcd');

=head2 send_keys_to_element

Sends keys to an element

    Args:
        A Selenium::Remote::WebElement
        The keys to send

    Usage:
        my $element = $driver->find_element('foo','id');
        $action_chains->send_keys_to_element($element,'abcd');

=head1 SEE ALSO

Please see those modules/websites for more information related to this module.

=over 4

=item *

L<Selenium::Remote::Driver|Selenium::Remote::Driver>

=back

=head1 BUGS

Please report any bugs or feature requests on the bugtracker website
https://github.com/teodesian/Selenium-Remote-Driver/issues

When submitting a bug or request, please include a test-file or a
patch to an existing test-file that illustrates the bug or desired
feature.

=head1 AUTHORS

Current Maintainers:

=over 4

=item *

Daniel Gempesaw <gempesaw@gmail.com>

=item *

Emmanuel Peroumalnaïk <peroumalnaik.emmanuel@gmail.com>

=back

Previous maintainers:

=over 4

=item *

Luke Closs <cpan@5thplane.com>

=item *

Mark Stosberg <mark@stosberg.com>

=back

Original authors:

=over 4

=item *

Aditya Ivaturi <ivaturi@gmail.com>

=back

=head1 COPYRIGHT AND LICENSE

Copyright (c) 2010-2011 Aditya Ivaturi, Gordon Child

Copyright (c) 2014-2017 Daniel Gempesaw

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

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