@Override
public boolean onPrepareOptionsMenu(Menu aMenu) {
if (aMenu == null) return false;
if (!checkLaunchState(LaunchState.GeckoRunning))
aMenu.findItem(R.id.settings).setEnabled(false);
Tab tab = Tabs.getInstance().getSelectedTab();
MenuItem bookmark = aMenu.findItem(R.id.bookmark);
MenuItem forward = aMenu.findItem(R.id.forward);
MenuItem share = aMenu.findItem(R.id.share);
MenuItem saveAsPDF = aMenu.findItem(R.id.save_as_pdf);
MenuItem charEncoding = aMenu.findItem(R.id.char_encoding);
MenuItem findInPage = aMenu.findItem(R.id.find_in_page);
MenuItem desktopMode = aMenu.findItem(R.id.desktop_mode);
// Only show the "Quit" menu item on pre-ICS. In ICS+, it's easy to
// kill an app through the task switcher.
aMenu.findItem(R.id.quit).setVisible(Build.VERSION.SDK_INT < 14);
if (tab == null || tab.getURL() == null) {
bookmark.setEnabled(false);
forward.setEnabled(false);
share.setEnabled(false);
saveAsPDF.setEnabled(false);
findInPage.setEnabled(false);
return true;
}
bookmark.setEnabled(!tab.getURL().startsWith("about:reader"));
bookmark.setCheckable(true);
bookmark.setChecked(tab.isBookmark());
bookmark.setIcon(
tab.isBookmark() ? R.drawable.ic_menu_bookmark_remove : R.drawable.ic_menu_bookmark_add);
forward.setEnabled(tab.canDoForward());
desktopMode.setChecked(tab.getDesktopMode());
desktopMode.setIcon(
tab.getDesktopMode()
? R.drawable.ic_menu_desktop_mode_on
: R.drawable.ic_menu_desktop_mode_off);
String url = tab.getURL();
if (ReaderModeUtils.isAboutReader(url)) {
String urlFromReader = ReaderModeUtils.getUrlFromAboutReader(url);
if (urlFromReader != null) url = urlFromReader;
}
// Disable share menuitem for about:, chrome:, file:, and resource: URIs
String scheme = Uri.parse(url).getScheme();
share.setEnabled(
!(scheme.equals("about")
|| scheme.equals("chrome")
|| scheme.equals("file")
|| scheme.equals("resource")));
// Disable save as PDF for about:home and xul pages
saveAsPDF.setEnabled(
!(tab.getURL().equals("about:home")
|| tab.getContentType().equals("application/vnd.mozilla.xul+xml")));
// Disable find in page for about:home, since it won't work on Java content
findInPage.setEnabled(!tab.getURL().equals("about:home"));
charEncoding.setVisible(GeckoPreferences.getCharEncodingState());
return true;
}
