mirror of https://github.com/gorhill/uBlock.git
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@ -63,11 +63,7 @@ function startup(data/*, reason*/) {
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let appShell = Cc['@mozilla.org/appshell/appShellService;1']
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.getService(Ci.nsIAppShellService);
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if ( appShell.createWindowlessBrowser ) {
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getWindowlessBrowserFrame(appShell);
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} else {
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getHiddenWindowBrowserFrame(appShell);
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}
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waitForHiddenWindow(appShell);
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}
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function createBgProcess(parentDocument) {
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@ -113,7 +109,7 @@ function getWindowlessBrowserFrame(appShell) {
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}
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function getHiddenWindowBrowserFrame(appShell) {
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function waitForHiddenWindow(appShell) {
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let isReady = function() {
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var hiddenDoc;
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@ -128,7 +124,20 @@ function getHiddenWindowBrowserFrame(appShell) {
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if ( !hiddenDoc || hiddenDoc.readyState !== 'complete' ) {
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return false;
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}
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createBgProcess(hiddenDoc);
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// In theory, it should be possible to create a windowless browser
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// immediately, without waiting for the hidden window to have loaded
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// completely. However, in practice, on Windows this seems to lead
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// to a broken Firefox appearance. To avoid this, we only create the
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// windowless browser here. We'll use that rather than the hidden
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// window for the actual background page (windowless browsers are
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// also what the webextension implementation in Firefox uses for
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// background pages).
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if ( appShell.createWindowlessBrowser ) {
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getWindowlessBrowserFrame(appShell);
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} else {
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createBgProcess(hiddenDoc);
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}
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return true;
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};
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