@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;
}
@Override
public void handleMessage(String event, JSONObject message) {
try {
if (event.equals("Menu:Add")) {
MenuItemInfo info = new MenuItemInfo();
info.label = message.getString("name");
info.id = message.getInt("id") + ADDON_MENU_OFFSET;
info.checkable = false;
info.checked = false;
info.enabled = true;
info.visible = true;
String iconRes = null;
try { // icon is optional
iconRes = message.getString("icon");
} catch (Exception ex) {
}
info.icon = iconRes;
info.checkable = false;
try {
info.checkable = message.getBoolean("checkable");
} catch (Exception ex) {
}
try { // parent is optional
info.parent = message.getInt("parent") + ADDON_MENU_OFFSET;
} catch (Exception ex) {
}
final MenuItemInfo menuItemInfo = info;
mMainHandler.post(
new Runnable() {
public void run() {
addAddonMenuItem(menuItemInfo);
}
});
} else if (event.equals("Menu:Remove")) {
final int id = message.getInt("id") + ADDON_MENU_OFFSET;
mMainHandler.post(
new Runnable() {
public void run() {
removeAddonMenuItem(id);
}
});
} else if (event.equals("Menu:Update")) {
final int id = message.getInt("id") + ADDON_MENU_OFFSET;
final JSONObject options = message.getJSONObject("options");
mMainHandler.post(
new Runnable() {
public void run() {
updateAddonMenuItem(id, options);
}
});
} else if (event.equals("CharEncoding:Data")) {
final JSONArray charsets = message.getJSONArray("charsets");
int selected = message.getInt("selected");
final int len = charsets.length();
final String[] titleArray = new String[len];
for (int i = 0; i < len; i++) {
JSONObject charset = charsets.getJSONObject(i);
titleArray[i] = charset.getString("title");
}
final AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
dialogBuilder.setSingleChoiceItems(
titleArray,
selected,
new AlertDialog.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
try {
JSONObject charset = charsets.getJSONObject(which);
GeckoAppShell.sendEventToGecko(
GeckoEvent.createBroadcastEvent(
"CharEncoding:Set", charset.getString("code")));
dialog.dismiss();
} catch (JSONException e) {
Log.e(LOGTAG, "error parsing json", e);
}
}
});
dialogBuilder.setNegativeButton(
R.string.button_cancel,
new AlertDialog.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
mMainHandler.post(
new Runnable() {
public void run() {
dialogBuilder.show();
}
});
} else if (event.equals("CharEncoding:State")) {
final boolean visible = message.getString("visible").equals("true");
GeckoPreferences.setCharEncodingState(visible);
final Menu menu = mMenu;
mMainHandler.post(
new Runnable() {
public void run() {
if (menu != null) menu.findItem(R.id.char_encoding).setVisible(visible);
}
});
} else if (event.equals("Feedback:OpenPlayStore")) {
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setData(Uri.parse("market://details?id=" + getPackageName()));
startActivity(intent);
} else if (event.equals("Feedback:MaybeLater")) {
resetFeedbackLaunchCount();
} else if (event.equals("Feedback:LastUrl")) {
getLastUrl();
} else if (event.equals("Gecko:Ready")) {
// Handle this message in GeckoApp, but also enable the Settings
// menuitem, which is specific to BrowserApp.
super.handleMessage(event, message);
final Menu menu = mMenu;
mMainHandler.post(
new Runnable() {
public void run() {
if (menu != null) menu.findItem(R.id.settings).setEnabled(true);
}
});
} else if (event.equals("Telemetry:Gather")) {
Telemetry.HistogramAdd(
"PLACES_PAGES_COUNT", BrowserDB.getCount(getContentResolver(), "history"));
Telemetry.HistogramAdd(
"PLACES_BOOKMARKS_COUNT", BrowserDB.getCount(getContentResolver(), "bookmarks"));
Telemetry.HistogramAdd(
"FENNEC_FAVICONS_COUNT", BrowserDB.getCount(getContentResolver(), "favicons"));
Telemetry.HistogramAdd(
"FENNEC_THUMBNAILS_COUNT", BrowserDB.getCount(getContentResolver(), "thumbnails"));
} else if (event.equals("Dex:Load")) {
String zipFile = message.getString("zipfile");
String implClass = message.getString("impl");
Log.d(
LOGTAG,
"Attempting to load classes.dex file from "
+ zipFile
+ " and instantiate "
+ implClass);
try {
File tmpDir = getDir("dex", 0);
DexClassLoader loader =
new DexClassLoader(
zipFile, tmpDir.getAbsolutePath(), null, ClassLoader.getSystemClassLoader());
Class<?> c = loader.loadClass(implClass);
c.newInstance();
} catch (Exception e) {
Log.e(LOGTAG, "Unable to initialize addon", e);
}
} else {
super.handleMessage(event, message);
}
} catch (Exception e) {
Log.e(LOGTAG, "Exception handling message \"" + event + "\":", e);
}
}
