| <html> |
| <!-- |
| This test checks to make sure plugins aren't loaded when a page is prerendered, |
| but are loaded once the page is displayed. |
| |
| This test relies on the Pepper plugin (but not the placeholder) implementing |
| the postMessage() function on the plugin object. |
| --> |
| <head> |
| <title>Prerender Plugin Delay Loading</title> |
| |
| <script> |
| // Make sure plugin was not loaded while prerendering. |
| function DidPrerenderPass() { |
| // |plugin| should be the blocked plugin placeholder, rather than the |
| // test plugin. |
| var plugin = window.document['plugin']; |
| return plugin.postMessage == undefined; |
| } |
| |
| // DidDisplayPass requires a synchronously returned result, but we can't |
| // determine if the delayed plugin loaded correctly synchronously. |
| function DidDisplayPass() { |
| return true; |
| } |
| |
| // Make sure plugin loads once the page is displayed. |
| function DidPluginLoad() { |
| var plugin = window.document['plugin']; |
| |
| // Listen for either the initial status ping, or the requested status ping. |
| plugin.addEventListener('message', function handleEvent(event) { |
| if (event.data.source === 'getPowerSaverStatusResponse' || |
| event.data.source === 'initial') { |
| plugin.removeEventListener('message', handleEvent); |
| window.domAutomationController.send(true); |
| } |
| }); |
| |
| // If the plugin has already loaded, we have missed the initial status ping, |
| // so we specifically request one. |
| if (plugin.postMessage) |
| plugin.postMessage('getPowerSaverStatus'); |
| |
| // Plugins don't have a time limit for loading, so failure is via timeout. |
| } |
| </script> |
| |
| </head> |
| <body> |
| <!-- Specifically define the data attribute to be same-origin. Otherwise, |
| Plugin Power Saver will further defer the loading of the plugin. --> |
| <object name='plugin' data='fake.swf' type='application/x-shockwave-flash'> |
| </object> |
| </body> |
| </html> |
