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/*globals chrome */
// inject printliminator from popup & control from there.
var commands = {
remove : function() {
chrome.tabs.executeScript( null, {
code: 'thePrintliminator.removeGraphics();'
});
},
print : function() {
document.querySelector( 'li.print' ).classList.add( 'busy' );
// ready state is delayed when a file on the page is not found
chrome.tabs.executeScript( null, {
code : 'document.readyState === "complete";'
}, function( result ) {
if ( result && result[ 0 ] === true ) {
window.close();
chrome.tabs.executeScript( null, {
code : 'thePrintliminator.print();'
});
} else {
// keep checking ready state for 20 seconds
// if still not ready, abort, but still call print function
var loopy = function( i ) {
setTimeout(function () {
chrome.tabs.executeScript( null, {
code : 'document.readyState === "complete";'
}, function( result ) {
if ( result && result[ 0 ] === true || i === 1 ) {
i = 0;
window.close();
chrome.tabs.executeScript( null, {
code : 'thePrintliminator.print();'
});
}
if ( --i > 0 ) {
loopy(i);
}
});
}, 1000);
};
// repeat 20 times (20 seconds), then just close the popup
loopy( 20 );
}
});
},
stylize : function() {
chrome.tabs.executeScript( null, {
code : 'thePrintliminator.stylize();'
});
},
keyboard : function() {
var indx,
table = document.querySelector( '#keyboard' ),
mode = table.style.display === 'none';
table.style.display = mode ? '' : 'none';
this.innerHTML = chrome.i18n.getMessage( mode ? 'hideKeyboardCommands' : 'viewKeyboardCommands' );
},
undo : function() {
chrome.tabs.executeScript( null, {
code : 'thePrintliminator.undo();'
});
},
setLanguage : function(){
// update all text content
commands.getMsg( document.querySelectorAll( '[i18n-text]' ), 'text' );
commands.getMsg( document.querySelectorAll( '[i18n-title]' ), 'title' );
},
getMsg : function( elms, target ) {
var indx, msgKey, message,
len = elms.length;
for ( indx = 0; indx < len; indx++ ) {
msgKey = elms[ indx ].getAttribute( 'i18n-' + target );
message = chrome.i18n.getMessage( msgKey );
if ( target === 'text' ) {
elms[ indx ].innerHTML += message;
} else {
elms[ indx ].title = message.replace( '<br>', ' ' );
}
}
}
};
chrome.windows.getCurrent( function( win ) {
chrome.tabs.query({
windowId : win.id,
active : true
}, function( tabArray ) {
// don't try to open a popup on chrome settings pages
if ( tabArray && /^chrome/.test( tabArray[ 0 ].url || '' ) ) {
return false;
}
// inject css & js only on initial click
chrome.tabs.executeScript( null, {
code : 'document.querySelector( "body" ).classList.contains( "_printliminator_enabled" );',
matchAboutBlank : true
}, function( result ) {
if ( result && !result[ 0 ] ) {
chrome.tabs.insertCSS( null, {
file : 'printliminator.css',
matchAboutBlank : true
});
chrome.tabs.executeScript( null, {
file: 'printliminator.js',
matchAboutBlank : true
}, function() {
chrome.tabs.executeScript( null, {
code : 'thePrintliminator.init();'
});
});
}
// update Language
commands.setLanguage();
});
// Remove graphics
var el = document.querySelector( '.no_graphics' );
el.removeEventListener( 'click', commands.remove );
el.addEventListener( 'click', commands.remove );
// Print
el = document.querySelector( '.print' );
el.removeEventListener( 'click', commands.print );
el.addEventListener( 'click', commands.print );
// Add print stylesheet
el = document.querySelector( '.stylize' );
el.removeEventListener( 'click', commands.stylize );
el.addEventListener( 'click', commands.stylize );
// Undo
el = document.querySelector( '.undo' );
el.removeEventListener( 'click', commands.undo );
el.addEventListener( 'click', commands.undo );
// keyboard
el = document.querySelector( '.toggle' );
el.removeEventListener( 'click', commands.keyboard );
el.addEventListener( 'click', commands.keyboard );
});
});
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