| /* |
| * 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.systemui.statusbar.phone; |
| |
| import android.animation.LayoutTransition; |
| import android.app.ActivityManagerNative; |
| import android.app.StatusBarManager; |
| import android.app.admin.DevicePolicyManager; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.res.Resources; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| import android.graphics.drawable.Drawable; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.os.RemoteException; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.view.Display; |
| import android.view.MotionEvent; |
| import android.view.Surface; |
| import android.view.View; |
| import android.view.View.OnClickListener; |
| import android.view.ViewGroup; |
| import android.view.WindowManager; |
| import android.view.accessibility.AccessibilityManager; |
| import android.widget.ImageView; |
| import android.widget.LinearLayout; |
| |
| import com.android.systemui.R; |
| import com.android.systemui.statusbar.BaseStatusBar; |
| import com.android.systemui.statusbar.DelegateViewHelper; |
| import com.android.systemui.statusbar.policy.DeadZone; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| |
| public class NavigationBarView extends LinearLayout { |
| private static final int CAMERA_BUTTON_FADE_DURATION = 200; |
| final static boolean DEBUG = false; |
| final static String TAG = "PhoneStatusBar/NavigationBarView"; |
| |
| final static boolean NAVBAR_ALWAYS_AT_RIGHT = true; |
| |
| // slippery nav bar when everything is disabled, e.g. during setup |
| final static boolean SLIPPERY_WHEN_DISABLED = true; |
| |
| final Display mDisplay; |
| View mCurrentView = null; |
| View[] mRotatedViews = new View[4]; |
| |
| int mBarSize; |
| boolean mVertical; |
| boolean mScreenOn; |
| |
| boolean mShowMenu; |
| int mDisabledFlags = 0; |
| int mNavigationIconHints = 0; |
| |
| private Drawable mBackIcon, mBackLandIcon, mBackAltIcon, mBackAltLandIcon; |
| private Drawable mRecentIcon; |
| private Drawable mRecentLandIcon; |
| |
| private DelegateViewHelper mDelegateHelper; |
| private DeadZone mDeadZone; |
| private final NavigationBarTransitions mBarTransitions; |
| |
| // workaround for LayoutTransitions leaving the nav buttons in a weird state (bug 5549288) |
| final static boolean WORKAROUND_INVALID_LAYOUT = true; |
| final static int MSG_CHECK_INVALID_LAYOUT = 8686; |
| |
| // used to disable the camera icon in navbar when disabled by DPM |
| private boolean mCameraDisabledByDpm; |
| |
| private final OnTouchListener mCameraTouchListener = new OnTouchListener() { |
| @Override |
| public boolean onTouch(View cameraButtonView, MotionEvent event) { |
| View searchLight = getSearchLight(); |
| switch (event.getAction()) { |
| case MotionEvent.ACTION_DOWN: |
| // disable search gesture while interacting with camera |
| mDelegateHelper.setDisabled(true); |
| cameraButtonView.animate().alpha(0.0f).setDuration(CAMERA_BUTTON_FADE_DURATION); |
| if (searchLight != null) { |
| searchLight.animate().alpha(0.0f).setDuration(CAMERA_BUTTON_FADE_DURATION); |
| } |
| break; |
| case MotionEvent.ACTION_UP: |
| case MotionEvent.ACTION_CANCEL: |
| mDelegateHelper.setDisabled(false); |
| cameraButtonView.animate().alpha(1.0f).setDuration(CAMERA_BUTTON_FADE_DURATION); |
| if (searchLight != null) { |
| searchLight.animate().alpha(1.0f).setDuration(CAMERA_BUTTON_FADE_DURATION); |
| } |
| break; |
| } |
| return KeyguardTouchDelegate.getInstance(getContext()).dispatch(event); |
| } |
| }; |
| |
| private class H extends Handler { |
| public void handleMessage(Message m) { |
| switch (m.what) { |
| case MSG_CHECK_INVALID_LAYOUT: |
| final String how = "" + m.obj; |
| final int w = getWidth(); |
| final int h = getHeight(); |
| final int vw = mCurrentView.getWidth(); |
| final int vh = mCurrentView.getHeight(); |
| |
| if (h != vh || w != vw) { |
| Log.w(TAG, String.format( |
| "*** Invalid layout in navigation bar (%s this=%dx%d cur=%dx%d)", |
| how, w, h, vw, vh)); |
| if (WORKAROUND_INVALID_LAYOUT) { |
| requestLayout(); |
| } |
| } |
| break; |
| } |
| } |
| } |
| |
| public NavigationBarView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| |
| mDisplay = ((WindowManager)context.getSystemService( |
| Context.WINDOW_SERVICE)).getDefaultDisplay(); |
| |
| final Resources res = mContext.getResources(); |
| mBarSize = res.getDimensionPixelSize(R.dimen.navigation_bar_size); |
| mVertical = false; |
| mShowMenu = false; |
| mDelegateHelper = new DelegateViewHelper(this); |
| |
| getIcons(res); |
| |
| mBarTransitions = new NavigationBarTransitions(this); |
| |
| mCameraDisabledByDpm = isCameraDisabledByDpm(); |
| watchForDevicePolicyChanges(); |
| } |
| |
| private void watchForDevicePolicyChanges() { |
| final IntentFilter filter = new IntentFilter(); |
| filter.addAction(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); |
| mContext.registerReceiver(new BroadcastReceiver() { |
| public void onReceive(Context context, Intent intent) { |
| post(new Runnable() { |
| @Override |
| public void run() { |
| mCameraDisabledByDpm = isCameraDisabledByDpm(); |
| } |
| }); |
| } |
| }, filter); |
| } |
| |
| public BarTransitions getBarTransitions() { |
| return mBarTransitions; |
| } |
| |
| public void setDelegateView(View view) { |
| mDelegateHelper.setDelegateView(view); |
| } |
| |
| public void setBar(BaseStatusBar phoneStatusBar) { |
| mDelegateHelper.setBar(phoneStatusBar); |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent event) { |
| if (mDeadZone != null && event.getAction() == MotionEvent.ACTION_OUTSIDE) { |
| mDeadZone.poke(event); |
| } |
| if (mDelegateHelper != null) { |
| boolean ret = mDelegateHelper.onInterceptTouchEvent(event); |
| if (ret) return true; |
| } |
| return super.onTouchEvent(event); |
| } |
| |
| @Override |
| public boolean onInterceptTouchEvent(MotionEvent event) { |
| return mDelegateHelper.onInterceptTouchEvent(event); |
| } |
| |
| private H mHandler = new H(); |
| |
| public View getCurrentView() { |
| return mCurrentView; |
| } |
| |
| public View getRecentsButton() { |
| return mCurrentView.findViewById(R.id.recent_apps); |
| } |
| |
| public View getMenuButton() { |
| return mCurrentView.findViewById(R.id.menu); |
| } |
| |
| public View getBackButton() { |
| return mCurrentView.findViewById(R.id.back); |
| } |
| |
| public View getHomeButton() { |
| return mCurrentView.findViewById(R.id.home); |
| } |
| |
| // for when home is disabled, but search isn't |
| public View getSearchLight() { |
| return mCurrentView.findViewById(R.id.search_light); |
| } |
| |
| // shown when keyguard is visible and camera is available |
| public View getCameraButton() { |
| return mCurrentView.findViewById(R.id.camera_button); |
| } |
| |
| private void getIcons(Resources res) { |
| mBackIcon = res.getDrawable(R.drawable.ic_sysbar_back); |
| mBackLandIcon = res.getDrawable(R.drawable.ic_sysbar_back_land); |
| mBackAltIcon = res.getDrawable(R.drawable.ic_sysbar_back_ime); |
| mBackAltLandIcon = res.getDrawable(R.drawable.ic_sysbar_back_ime); |
| mRecentIcon = res.getDrawable(R.drawable.ic_sysbar_recent); |
| mRecentLandIcon = res.getDrawable(R.drawable.ic_sysbar_recent_land); |
| } |
| |
| @Override |
| public void setLayoutDirection(int layoutDirection) { |
| getIcons(mContext.getResources()); |
| |
| super.setLayoutDirection(layoutDirection); |
| } |
| |
| public void notifyScreenOn(boolean screenOn) { |
| mScreenOn = screenOn; |
| setDisabledFlags(mDisabledFlags, true); |
| } |
| |
| public void setNavigationIconHints(int hints) { |
| setNavigationIconHints(hints, false); |
| } |
| |
| public void setNavigationIconHints(int hints, boolean force) { |
| if (!force && hints == mNavigationIconHints) return; |
| |
| if (DEBUG) { |
| android.widget.Toast.makeText(mContext, |
| "Navigation icon hints = " + hints, |
| 500).show(); |
| } |
| |
| mNavigationIconHints = hints; |
| |
| getBackButton().setAlpha( |
| (0 != (hints & StatusBarManager.NAVIGATION_HINT_BACK_NOP)) ? 0.5f : 1.0f); |
| getHomeButton().setAlpha( |
| (0 != (hints & StatusBarManager.NAVIGATION_HINT_HOME_NOP)) ? 0.5f : 1.0f); |
| getRecentsButton().setAlpha( |
| (0 != (hints & StatusBarManager.NAVIGATION_HINT_RECENT_NOP)) ? 0.5f : 1.0f); |
| |
| ((ImageView)getBackButton()).setImageDrawable( |
| (0 != (hints & StatusBarManager.NAVIGATION_HINT_BACK_ALT)) |
| ? (mVertical ? mBackAltLandIcon : mBackAltIcon) |
| : (mVertical ? mBackLandIcon : mBackIcon)); |
| |
| ((ImageView)getRecentsButton()).setImageDrawable(mVertical ? mRecentLandIcon : mRecentIcon); |
| |
| setDisabledFlags(mDisabledFlags, true); |
| } |
| |
| public void setDisabledFlags(int disabledFlags) { |
| setDisabledFlags(disabledFlags, false); |
| } |
| |
| public void setDisabledFlags(int disabledFlags, boolean force) { |
| if (!force && mDisabledFlags == disabledFlags) return; |
| |
| mDisabledFlags = disabledFlags; |
| |
| final boolean disableHome = ((disabledFlags & View.STATUS_BAR_DISABLE_HOME) != 0); |
| final boolean disableRecent = ((disabledFlags & View.STATUS_BAR_DISABLE_RECENT) != 0); |
| final boolean disableBack = ((disabledFlags & View.STATUS_BAR_DISABLE_BACK) != 0) |
| && ((mNavigationIconHints & StatusBarManager.NAVIGATION_HINT_BACK_ALT) == 0); |
| final boolean disableSearch = ((disabledFlags & View.STATUS_BAR_DISABLE_SEARCH) != 0); |
| |
| if (SLIPPERY_WHEN_DISABLED) { |
| setSlippery(disableHome && disableRecent && disableBack && disableSearch); |
| } |
| |
| if (!mScreenOn && mCurrentView != null) { |
| ViewGroup navButtons = (ViewGroup) mCurrentView.findViewById(R.id.nav_buttons); |
| LayoutTransition lt = navButtons == null ? null : navButtons.getLayoutTransition(); |
| if (lt != null) { |
| lt.disableTransitionType( |
| LayoutTransition.CHANGE_APPEARING | LayoutTransition.CHANGE_DISAPPEARING | |
| LayoutTransition.APPEARING | LayoutTransition.DISAPPEARING); |
| } |
| } |
| |
| getBackButton() .setVisibility(disableBack ? View.INVISIBLE : View.VISIBLE); |
| getHomeButton() .setVisibility(disableHome ? View.INVISIBLE : View.VISIBLE); |
| getRecentsButton().setVisibility(disableRecent ? View.INVISIBLE : View.VISIBLE); |
| |
| final boolean shouldShowSearch = disableHome && !disableSearch; |
| getSearchLight().setVisibility(shouldShowSearch ? View.VISIBLE : View.GONE); |
| final View cameraButton = getCameraButton(); |
| if (cameraButton != null) { |
| cameraButton.setVisibility( |
| shouldShowSearch && !mCameraDisabledByDpm ? View.VISIBLE : View.GONE); |
| } |
| } |
| |
| private boolean isCameraDisabledByDpm() { |
| final DevicePolicyManager dpm = |
| (DevicePolicyManager) mContext.getSystemService(Context.DEVICE_POLICY_SERVICE); |
| if (dpm != null) { |
| try { |
| final int userId = ActivityManagerNative.getDefault().getCurrentUser().id; |
| final int disabledFlags = dpm.getKeyguardDisabledFeatures(null, userId); |
| final boolean disabledBecauseKeyguardSecure = |
| (disabledFlags & DevicePolicyManager.KEYGUARD_DISABLE_SECURE_CAMERA) != 0 |
| && KeyguardTouchDelegate.getInstance(getContext()).isSecure(); |
| return dpm.getCameraDisabled(null) || disabledBecauseKeyguardSecure; |
| } catch (RemoteException e) { |
| Log.e(TAG, "Can't get userId", e); |
| } |
| } |
| return false; |
| } |
| |
| public void setSlippery(boolean newSlippery) { |
| WindowManager.LayoutParams lp = (WindowManager.LayoutParams) getLayoutParams(); |
| if (lp != null) { |
| boolean oldSlippery = (lp.flags & WindowManager.LayoutParams.FLAG_SLIPPERY) != 0; |
| if (!oldSlippery && newSlippery) { |
| lp.flags |= WindowManager.LayoutParams.FLAG_SLIPPERY; |
| } else if (oldSlippery && !newSlippery) { |
| lp.flags &= ~WindowManager.LayoutParams.FLAG_SLIPPERY; |
| } else { |
| return; |
| } |
| WindowManager wm = (WindowManager)getContext().getSystemService(Context.WINDOW_SERVICE); |
| wm.updateViewLayout(this, lp); |
| } |
| } |
| |
| public void setMenuVisibility(final boolean show) { |
| setMenuVisibility(show, false); |
| } |
| |
| public void setMenuVisibility(final boolean show, final boolean force) { |
| if (!force && mShowMenu == show) return; |
| |
| mShowMenu = show; |
| |
| getMenuButton().setVisibility(mShowMenu ? View.VISIBLE : View.INVISIBLE); |
| } |
| |
| @Override |
| public void onFinishInflate() { |
| mRotatedViews[Surface.ROTATION_0] = |
| mRotatedViews[Surface.ROTATION_180] = findViewById(R.id.rot0); |
| |
| mRotatedViews[Surface.ROTATION_90] = findViewById(R.id.rot90); |
| |
| mRotatedViews[Surface.ROTATION_270] = NAVBAR_ALWAYS_AT_RIGHT |
| ? findViewById(R.id.rot90) |
| : findViewById(R.id.rot270); |
| |
| mCurrentView = mRotatedViews[Surface.ROTATION_0]; |
| |
| |
| final AccessibilityManager accessibilityManager = |
| (AccessibilityManager) mContext.getSystemService(Context.ACCESSIBILITY_SERVICE); |
| if (accessibilityManager.isEnabled()) { |
| // In accessibility mode, we add a simple click handler since swipe is tough to |
| // trigger near screen edges. |
| View camera = getCameraButton(); |
| View searchLight = getSearchLight(); |
| if (camera != null || searchLight != null) { |
| OnClickListener listener = new OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| launchForAccessibilityClick(v); |
| } |
| }; |
| if (camera != null) { |
| camera.setOnClickListener(listener); |
| } |
| if (searchLight != null) { |
| searchLight.setOnClickListener(listener); |
| } |
| } |
| } else { |
| // Add a touch handler for camera icon for all view orientations. |
| for (int i = 0; i < mRotatedViews.length; i++) { |
| View cameraButton = mRotatedViews[i].findViewById(R.id.camera_button); |
| if (cameraButton != null) { |
| cameraButton.setOnTouchListener(mCameraTouchListener); |
| } |
| } |
| } |
| } |
| |
| protected void launchForAccessibilityClick(View v) { |
| if (v == getCameraButton()) { |
| KeyguardTouchDelegate.getInstance(getContext()).launchCamera(); |
| } else if (v == getSearchLight()) { |
| KeyguardTouchDelegate.getInstance(getContext()).showAssistant(); |
| } |
| } |
| |
| public boolean isVertical() { |
| return mVertical; |
| } |
| |
| public void reorient() { |
| final int rot = mDisplay.getRotation(); |
| for (int i=0; i<4; i++) { |
| mRotatedViews[i].setVisibility(View.GONE); |
| } |
| mCurrentView = mRotatedViews[rot]; |
| mCurrentView.setVisibility(View.VISIBLE); |
| |
| mDeadZone = (DeadZone) mCurrentView.findViewById(R.id.deadzone); |
| |
| // force the low profile & disabled states into compliance |
| mBarTransitions.init(mVertical); |
| setDisabledFlags(mDisabledFlags, true /* force */); |
| setMenuVisibility(mShowMenu, true /* force */); |
| |
| if (DEBUG) { |
| Log.d(TAG, "reorient(): rot=" + mDisplay.getRotation()); |
| } |
| |
| setNavigationIconHints(mNavigationIconHints, true); |
| } |
| |
| @Override |
| protected void onLayout(boolean changed, int l, int t, int r, int b) { |
| super.onLayout(changed, l, t, r, b); |
| mDelegateHelper.setInitialTouchRegion(getHomeButton(), getBackButton(), getRecentsButton()); |
| } |
| |
| @Override |
| protected void onSizeChanged(int w, int h, int oldw, int oldh) { |
| if (DEBUG) Log.d(TAG, String.format( |
| "onSizeChanged: (%dx%d) old: (%dx%d)", w, h, oldw, oldh)); |
| |
| final boolean newVertical = w > 0 && h > w; |
| if (newVertical != mVertical) { |
| mVertical = newVertical; |
| //Log.v(TAG, String.format("onSizeChanged: h=%d, w=%d, vert=%s", h, w, mVertical?"y":"n")); |
| reorient(); |
| } |
| |
| postCheckForInvalidLayout("sizeChanged"); |
| super.onSizeChanged(w, h, oldw, oldh); |
| } |
| |
| /* |
| @Override |
| protected void onLayout (boolean changed, int left, int top, int right, int bottom) { |
| if (DEBUG) Log.d(TAG, String.format( |
| "onLayout: %s (%d,%d,%d,%d)", |
| changed?"changed":"notchanged", left, top, right, bottom)); |
| super.onLayout(changed, left, top, right, bottom); |
| } |
| |
| // uncomment this for extra defensiveness in WORKAROUND_INVALID_LAYOUT situations: if all else |
| // fails, any touch on the display will fix the layout. |
| @Override |
| public boolean onInterceptTouchEvent(MotionEvent ev) { |
| if (DEBUG) Log.d(TAG, "onInterceptTouchEvent: " + ev.toString()); |
| if (ev.getAction() == MotionEvent.ACTION_DOWN) { |
| postCheckForInvalidLayout("touch"); |
| } |
| return super.onInterceptTouchEvent(ev); |
| } |
| */ |
| |
| |
| private String getResourceName(int resId) { |
| if (resId != 0) { |
| final android.content.res.Resources res = mContext.getResources(); |
| try { |
| return res.getResourceName(resId); |
| } catch (android.content.res.Resources.NotFoundException ex) { |
| return "(unknown)"; |
| } |
| } else { |
| return "(null)"; |
| } |
| } |
| |
| private void postCheckForInvalidLayout(final String how) { |
| mHandler.obtainMessage(MSG_CHECK_INVALID_LAYOUT, 0, 0, how).sendToTarget(); |
| } |
| |
| private static String visibilityToString(int vis) { |
| switch (vis) { |
| case View.INVISIBLE: |
| return "INVISIBLE"; |
| case View.GONE: |
| return "GONE"; |
| default: |
| return "VISIBLE"; |
| } |
| } |
| |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| pw.println("NavigationBarView {"); |
| final Rect r = new Rect(); |
| final Point size = new Point(); |
| mDisplay.getRealSize(size); |
| |
| pw.println(String.format(" this: " + PhoneStatusBar.viewInfo(this) |
| + " " + visibilityToString(getVisibility()))); |
| |
| getWindowVisibleDisplayFrame(r); |
| final boolean offscreen = r.right > size.x || r.bottom > size.y; |
| pw.println(" window: " |
| + r.toShortString() |
| + " " + visibilityToString(getWindowVisibility()) |
| + (offscreen ? " OFFSCREEN!" : "")); |
| |
| pw.println(String.format(" mCurrentView: id=%s (%dx%d) %s", |
| getResourceName(mCurrentView.getId()), |
| mCurrentView.getWidth(), mCurrentView.getHeight(), |
| visibilityToString(mCurrentView.getVisibility()))); |
| |
| pw.println(String.format(" disabled=0x%08x vertical=%s menu=%s", |
| mDisabledFlags, |
| mVertical ? "true" : "false", |
| mShowMenu ? "true" : "false")); |
| |
| final View back = getBackButton(); |
| final View home = getHomeButton(); |
| final View recent = getRecentsButton(); |
| final View menu = getMenuButton(); |
| |
| pw.println(" back: " |
| + PhoneStatusBar.viewInfo(back) |
| + " " + visibilityToString(back.getVisibility()) |
| ); |
| pw.println(" home: " |
| + PhoneStatusBar.viewInfo(home) |
| + " " + visibilityToString(home.getVisibility()) |
| ); |
| pw.println(" rcnt: " |
| + PhoneStatusBar.viewInfo(recent) |
| + " " + visibilityToString(recent.getVisibility()) |
| ); |
| pw.println(" menu: " |
| + PhoneStatusBar.viewInfo(menu) |
| + " " + visibilityToString(menu.getVisibility()) |
| ); |
| pw.println(" }"); |
| } |
| |
| } |