| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.internal.policy.impl; |
| |
| import com.android.internal.R; |
| import com.google.android.collect.Lists; |
| |
| import android.app.AlertDialog; |
| import android.app.StatusBarManager; |
| import android.content.Context; |
| import android.content.BroadcastReceiver; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.DialogInterface; |
| import android.media.AudioManager; |
| import android.os.LocalPowerManager; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.os.SystemClock; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.WindowManager; |
| import android.widget.BaseAdapter; |
| import android.widget.ImageView; |
| import android.widget.LinearLayout; |
| import android.widget.TextView; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * Helper to show the global actions dialog. Each item is an {@link Action} that |
| * may show depending on whether the keyguard is showing, and whether the device |
| * is provisioned. |
| */ |
| class GlobalActions implements DialogInterface.OnDismissListener, DialogInterface.OnClickListener { |
| |
| private StatusBarManager mStatusBar; |
| |
| private final Context mContext; |
| private final LocalPowerManager mPowerManager; |
| private final AudioManager mAudioManager; |
| private ArrayList<Action> mItems; |
| private AlertDialog mDialog; |
| |
| private ToggleAction mSilentModeToggle; |
| |
| private MyAdapter mAdapter; |
| |
| private boolean mKeyguardShowing = false; |
| private boolean mDeviceProvisioned = false; |
| |
| /** |
| * @param context everything needs a context :) |
| * @param powerManager used to turn the screen off (the lock action). |
| */ |
| public GlobalActions(Context context, LocalPowerManager powerManager) { |
| mContext = context; |
| mPowerManager = powerManager; |
| mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); |
| |
| // receive broadcasts |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); |
| context.registerReceiver(mBroadcastReceiver, filter); |
| } |
| |
| /** |
| * Show the global actions dialog (creating if necessary) |
| * @param keyguardShowing True if keyguard is showing |
| */ |
| public void showDialog(boolean keyguardShowing, boolean isDeviceProvisioned) { |
| mKeyguardShowing = keyguardShowing; |
| mDeviceProvisioned = isDeviceProvisioned; |
| if (mDialog == null) { |
| mStatusBar = (StatusBarManager)mContext.getSystemService(Context.STATUS_BAR_SERVICE); |
| mDialog = createDialog(); |
| } |
| prepareDialog(); |
| |
| mStatusBar.disable(StatusBarManager.DISABLE_EXPAND); |
| mDialog.show(); |
| } |
| |
| /** |
| * Create the global actions dialog. |
| * @return A new dialog. |
| */ |
| private AlertDialog createDialog() { |
| |
| mSilentModeToggle = new ToggleAction( |
| R.drawable.ic_lock_silent_mode, |
| R.drawable.ic_lock_silent_mode_off, |
| R.string.global_action_toggle_silent_mode, |
| R.string.global_action_silent_mode_on_status, |
| R.string.global_action_silent_mode_off_status) { |
| |
| void onToggle(boolean on) { |
| mAudioManager.setRingerMode(on ? AudioManager.RINGER_MODE_SILENT |
| : AudioManager.RINGER_MODE_NORMAL); |
| } |
| |
| public boolean showDuringKeyguard() { |
| return true; |
| } |
| |
| public boolean showBeforeProvisioning() { |
| return false; |
| } |
| }; |
| |
| mItems = Lists.newArrayList( |
| /* Disabled pending bug 1304831 -- key or touch events wake up device before it |
| * can go to sleep. |
| // first: lock screen |
| new SinglePressAction(com.android.internal.R.drawable.ic_lock_lock, R.string.global_action_lock) { |
| |
| public void onPress() { |
| mPowerManager.goToSleep(SystemClock.uptimeMillis() + 1); |
| } |
| |
| public boolean showDuringKeyguard() { |
| return false; |
| } |
| |
| public boolean showBeforeProvisioning() { |
| return false; |
| } |
| }, |
| */ |
| // next: silent mode |
| mSilentModeToggle, |
| // last: power off |
| new SinglePressAction(com.android.internal.R.drawable.ic_lock_power_off, R.string.global_action_power_off) { |
| |
| public void onPress() { |
| // shutdown by making sure radio and power are handled accordingly. |
| ShutdownThread.shutdownAfterDisablingRadio(mContext, true); |
| } |
| |
| public boolean showDuringKeyguard() { |
| return true; |
| } |
| |
| public boolean showBeforeProvisioning() { |
| return true; |
| } |
| }); |
| |
| mAdapter = new MyAdapter(); |
| |
| final AlertDialog.Builder ab = new AlertDialog.Builder(mContext); |
| |
| ab.setAdapter(mAdapter, this) |
| .setInverseBackgroundForced(true) |
| .setTitle(R.string.global_actions); |
| |
| final AlertDialog dialog = ab.create(); |
| dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG); |
| dialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND, |
| WindowManager.LayoutParams.FLAG_BLUR_BEHIND); |
| |
| dialog.setOnDismissListener(this); |
| |
| return dialog; |
| } |
| |
| private void prepareDialog() { |
| // TODO: May need another 'Vibrate' toggle button, but for now treat them the same |
| final boolean silentModeOn = |
| mAudioManager.getRingerMode() != AudioManager.RINGER_MODE_NORMAL; |
| mSilentModeToggle.updateState(silentModeOn); |
| mAdapter.notifyDataSetChanged(); |
| if (mKeyguardShowing) { |
| mDialog.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); |
| } else { |
| mDialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public void onDismiss(DialogInterface dialog) { |
| mStatusBar.disable(StatusBarManager.DISABLE_NONE); |
| } |
| |
| /** {@inheritDoc} */ |
| public void onClick(DialogInterface dialog, int which) { |
| dialog.dismiss(); |
| mAdapter.getItem(which).onPress(); |
| } |
| |
| |
| /** |
| * The adapter used for the list within the global actions dialog, taking |
| * into account whether the keyguard is showing via |
| * {@link GlobalActions#mKeyguardShowing} and whether the device is provisioned |
| * via {@link GlobalActions#mDeviceProvisioned}. |
| */ |
| private class MyAdapter extends BaseAdapter { |
| |
| public int getCount() { |
| int count = 0; |
| |
| for (int i = 0; i < mItems.size(); i++) { |
| final Action action = mItems.get(i); |
| |
| if (mKeyguardShowing && !action.showDuringKeyguard()) { |
| continue; |
| } |
| if (!mDeviceProvisioned && !action.showBeforeProvisioning()) { |
| continue; |
| } |
| count++; |
| } |
| return count; |
| } |
| |
| public Action getItem(int position) { |
| |
| int filteredPos = 0; |
| for (int i = 0; i < mItems.size(); i++) { |
| final Action action = mItems.get(i); |
| if (mKeyguardShowing && !action.showDuringKeyguard()) { |
| continue; |
| } |
| if (!mDeviceProvisioned && !action.showBeforeProvisioning()) { |
| continue; |
| } |
| if (filteredPos == position) { |
| return action; |
| } |
| filteredPos++; |
| } |
| |
| throw new IllegalArgumentException("position " + position + " out of " |
| + "range of showable actions, filtered count = " |
| + "= " + getCount() + ", keyguardshowing=" + mKeyguardShowing |
| + ", provisioned=" + mDeviceProvisioned); |
| } |
| |
| |
| public long getItemId(int position) { |
| return position; |
| } |
| |
| public View getView(int position, View convertView, ViewGroup parent) { |
| Action action = getItem(position); |
| return action.create(mContext, (LinearLayout) convertView, LayoutInflater.from(mContext)); |
| } |
| } |
| |
| // note: the scheme below made more sense when we were planning on having |
| // 8 different things in the global actions dialog. seems overkill with |
| // only 3 items now, but may as well keep this flexible approach so it will |
| // be easy should someone decide at the last minute to include something |
| // else, such as 'enable wifi', or 'enable bluetooth' |
| |
| /** |
| * What each item in the global actions dialog must be able to support. |
| */ |
| private interface Action { |
| LinearLayout create(Context context, LinearLayout convertView, LayoutInflater inflater); |
| |
| void onPress(); |
| |
| /** |
| * @return whether this action should appear in the dialog when the keygaurd |
| * is showing. |
| */ |
| boolean showDuringKeyguard(); |
| |
| /** |
| * @return whether this action should appear in the dialog before the |
| * device is provisioned. |
| */ |
| boolean showBeforeProvisioning(); |
| } |
| |
| /** |
| * A single press action maintains no state, just responds to a press |
| * and takes an action. |
| */ |
| private static abstract class SinglePressAction implements Action { |
| private final int mIconResId; |
| private final int mMessageResId; |
| |
| protected SinglePressAction(int iconResId, int messageResId) { |
| mIconResId = iconResId; |
| mMessageResId = messageResId; |
| } |
| |
| abstract public void onPress(); |
| |
| public LinearLayout create(Context context, LinearLayout convertView, LayoutInflater inflater) { |
| LinearLayout v = (LinearLayout) ((convertView != null) ? |
| convertView : |
| inflater.inflate(R.layout.global_actions_item, null)); |
| |
| ImageView icon = (ImageView) v.findViewById(R.id.icon); |
| TextView messageView = (TextView) v.findViewById(R.id.message); |
| |
| v.findViewById(R.id.status).setVisibility(View.GONE); |
| |
| icon.setImageDrawable(context.getResources().getDrawable(mIconResId)); |
| messageView.setText(mMessageResId); |
| |
| return v; |
| } |
| } |
| |
| /** |
| * A toggle action knows whether it is on or off, and displays an icon |
| * and status message accordingly. |
| */ |
| static abstract class ToggleAction implements Action { |
| |
| private boolean mOn = false; |
| |
| // prefs |
| private final int mEnabledIconResId; |
| private final int mDisabledIconResid; |
| private final int mMessageResId; |
| private final int mEnabledStatusMessageResId; |
| private final int mDisabledStatusMessageResId; |
| |
| /** |
| * @param enabledIconResId The icon for when this action is on. |
| * @param disabledIconResid The icon for when this action is off. |
| * @param essage The general information message, e.g 'Silent Mode' |
| * @param enabledStatusMessageResId The on status message, e.g 'sound disabled' |
| * @param disabledStatusMessageResId The off status message, e.g. 'sound enabled' |
| */ |
| public ToggleAction(int enabledIconResId, |
| int disabledIconResid, |
| int essage, |
| int enabledStatusMessageResId, |
| int disabledStatusMessageResId) { |
| mEnabledIconResId = enabledIconResId; |
| mDisabledIconResid = disabledIconResid; |
| mMessageResId = essage; |
| mEnabledStatusMessageResId = enabledStatusMessageResId; |
| mDisabledStatusMessageResId = disabledStatusMessageResId; |
| } |
| |
| public LinearLayout create(Context context, LinearLayout convertView, |
| LayoutInflater inflater) { |
| LinearLayout v = (LinearLayout) ((convertView != null) ? |
| convertView : |
| inflater.inflate(R |
| .layout.global_actions_item, null)); |
| |
| ImageView icon = (ImageView) v.findViewById(R.id.icon); |
| TextView messageView = (TextView) v.findViewById(R.id.message); |
| TextView statusView = (TextView) v.findViewById(R.id.status); |
| |
| messageView.setText(mMessageResId); |
| |
| icon.setImageDrawable(context.getResources().getDrawable( |
| (mOn ? mEnabledIconResId : mDisabledIconResid))); |
| statusView.setText(mOn ? mEnabledStatusMessageResId : mDisabledStatusMessageResId); |
| statusView.setVisibility(View.VISIBLE); |
| |
| return v; |
| } |
| |
| public void onPress() { |
| updateState(!mOn); |
| onToggle(mOn); |
| } |
| |
| abstract void onToggle(boolean on); |
| |
| public void updateState(boolean on) { |
| mOn = on; |
| } |
| } |
| |
| private BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)) { |
| String reason = intent.getStringExtra(PhoneWindowManager.SYSTEM_DIALOG_REASON_KEY); |
| if (! PhoneWindowManager.SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS.equals(reason)) { |
| mHandler.sendEmptyMessage(MESSAGE_DISMISS); |
| } |
| } |
| } |
| }; |
| |
| private static final int MESSAGE_DISMISS = 0; |
| private Handler mHandler = new Handler() { |
| public void handleMessage(Message msg) { |
| if (msg.what == MESSAGE_DISMISS) { |
| if (mDialog != null) { |
| mDialog.dismiss(); |
| } |
| } |
| } |
| }; |
| } |