forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			59 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			59 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/* This Source Code Form is subject to the terms of the Mozilla Public
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 * License, v. 2.0. If a copy of the MPL was not distributed with this
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 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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const PREF_RESTORE_ON_DEMAND = "browser.sessionstore.restore_on_demand";
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add_task(async function test() {
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  Services.prefs.setBoolPref(PREF_RESTORE_ON_DEMAND, false);
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  registerCleanupFunction(function() {
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    Services.prefs.clearUserPref(PREF_RESTORE_ON_DEMAND);
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  });
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  // We'll use 2 states so that we can make sure calling setWindowState doesn't
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  // wipe out currently restoring data.
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  let state1 = { windows: [{ tabs: [
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    { entries: [{ url: "http://example.com#1", triggeringPrincipal_base64 }] },
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    { entries: [{ url: "http://example.com#2", triggeringPrincipal_base64 }] },
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    { entries: [{ url: "http://example.com#3", triggeringPrincipal_base64 }] },
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    { entries: [{ url: "http://example.com#4", triggeringPrincipal_base64 }] },
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    { entries: [{ url: "http://example.com#5", triggeringPrincipal_base64 }] },
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  ] }] };
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  let state2 = { windows: [{ tabs: [
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    { entries: [{ url: "http://example.org#1", triggeringPrincipal_base64 }] },
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    { entries: [{ url: "http://example.org#2", triggeringPrincipal_base64 }] },
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    { entries: [{ url: "http://example.org#3", triggeringPrincipal_base64 }] },
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    { entries: [{ url: "http://example.org#4", triggeringPrincipal_base64 }] },
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    { entries: [{ url: "http://example.org#5", triggeringPrincipal_base64 }] }
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  ] }] };
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  let numTabs = 2 + state2.windows[0].tabs.length;
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  let loadCount = 0;
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  let promiseRestoringTabs = new Promise(resolve => {
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    gProgressListener.setCallback(function(aBrowser, aNeedRestore, aRestoring, aRestored) {
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      // When loadCount == 2, we'll also restore state2 into the window
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      if (++loadCount == 2) {
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        executeSoon(() => ss.setWindowState(window, JSON.stringify(state2), true));
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      }
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      if (loadCount < numTabs) {
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        return;
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      }
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      // We don't actually care about load order in this test, just that they all
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      // do load.
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      is(loadCount, numTabs, "all tabs were restored");
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      is(aNeedRestore, 0, "there are no tabs left needing restore");
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      gProgressListener.unsetCallback();
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      resolve();
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    });
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  });
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  let backupState = ss.getBrowserState();
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  ss.setWindowState(window, JSON.stringify(state1), true);
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  await promiseRestoringTabs;
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  // Cleanup.
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  await promiseBrowserState(backupState);
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});
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