@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); } }