packages/SystemUI/src/com/android/systemui/SearchPanelView.java - platform/frameworks/base - Git at Google

 /*
  * Copyright (C) 2012 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;

 import android.animation.LayoutTransition;
 import android.app.ActivityManagerNative;
 import android.app.ActivityOptions;
 import android.app.SearchManager;
 import android.content.ActivityNotFoundException;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.res.Resources;
 import android.media.AudioManager;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.UserHandle;
 import android.os.Vibrator;
 import android.provider.Settings;
 import android.util.AttributeSet;
 import android.util.EventLog;
 import android.util.Log;
 import android.view.IWindowManager;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
 import android.view.ViewTreeObserver.OnPreDrawListener;
 import android.widget.FrameLayout;

 import com.android.internal.widget.multiwaveview.GlowPadView;
 import com.android.internal.widget.multiwaveview.GlowPadView.OnTriggerListener;
 import com.android.systemui.statusbar.BaseStatusBar;
 import com.android.systemui.statusbar.CommandQueue;
 import com.android.systemui.statusbar.StatusBarPanel;
 import com.android.systemui.statusbar.phone.KeyguardTouchDelegate;
 import com.android.systemui.statusbar.phone.PhoneStatusBar;

 public class SearchPanelView extends FrameLayout implements
         StatusBarPanel, ActivityOptions.OnAnimationStartedListener {
     private static final int SEARCH_PANEL_HOLD_DURATION = 0;
     static final String TAG = "SearchPanelView";
     static final boolean DEBUG = PhoneStatusBar.DEBUG || false;
     public static final boolean DEBUG_GESTURES = true;
     private static final String ASSIST_ICON_METADATA_NAME =
             "com.android.systemui.action_assist_icon";
     private final Context mContext;
     private BaseStatusBar mBar;

     private boolean mShowing;
     private View mSearchTargetsContainer;
     private GlowPadView mGlowPadView;
     private IWindowManager mWm;

     public SearchPanelView(Context context, AttributeSet attrs) {
         this(context, attrs, 0);
     }

     public SearchPanelView(Context context, AttributeSet attrs, int defStyle) {
         super(context, attrs, defStyle);
         mContext = context;
         mWm = IWindowManager.Stub.asInterface(ServiceManager.getService("window"));
     }

     private void startAssistActivity() {
         if (!mBar.isDeviceProvisioned()) return;

         // Close Recent Apps if needed
         mBar.animateCollapsePanels(CommandQueue.FLAG_EXCLUDE_SEARCH_PANEL);
         boolean isKeyguardShowing = false;
         try {
             isKeyguardShowing = mWm.isKeyguardLocked();
         } catch (RemoteException e) {

         }

         if (isKeyguardShowing) {
             // Have keyguard show the bouncer and launch the activity if the user succeeds.
             KeyguardTouchDelegate.getInstance(getContext()).showAssistant();
             onAnimationStarted();
         } else {
             // Otherwise, keyguard isn't showing so launch it from here.
             Intent intent = ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
                     .getAssistIntent(mContext, true, UserHandle.USER_CURRENT);
             if (intent == null) return;

             try {
                 ActivityManagerNative.getDefault().dismissKeyguardOnNextActivity();
             } catch (RemoteException e) {
                 // too bad, so sad...
             }

             try {
                 ActivityOptions opts = ActivityOptions.makeCustomAnimation(mContext,
                         R.anim.search_launch_enter, R.anim.search_launch_exit,
                         getHandler(), this);
                 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                 mContext.startActivityAsUser(intent, opts.toBundle(),
                         new UserHandle(UserHandle.USER_CURRENT));
             } catch (ActivityNotFoundException e) {
                 Log.w(TAG, "Activity not found for " + intent.getAction());
                 onAnimationStarted();
             }
         }
     }

     class GlowPadTriggerListener implements GlowPadView.OnTriggerListener {
         boolean mWaitingForLaunch;

         public void onGrabbed(View v, int handle) {
         }

         public void onReleased(View v, int handle) {
         }

         public void onGrabbedStateChange(View v, int handle) {
             if (!mWaitingForLaunch && OnTriggerListener.NO_HANDLE == handle) {
                 mBar.hideSearchPanel();
             }
         }

         public void onTrigger(View v, final int target) {
             final int resId = mGlowPadView.getResourceIdForTarget(target);
             switch (resId) {
                 case R.drawable.ic_action_assist_generic:
                     mWaitingForLaunch = true;
                     startAssistActivity();
                     vibrate();
                     break;
             }
         }

         public void onFinishFinalAnimation() {
         }
     }
     final GlowPadTriggerListener mGlowPadViewListener = new GlowPadTriggerListener();

     @Override
     public void onAnimationStarted() {
         postDelayed(new Runnable() {
             public void run() {
                 mGlowPadViewListener.mWaitingForLaunch = false;
                 mBar.hideSearchPanel();
             }
         }, SEARCH_PANEL_HOLD_DURATION);
     }

     @Override
     protected void onFinishInflate() {
         super.onFinishInflate();
         mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
         mSearchTargetsContainer = findViewById(R.id.search_panel_container);
         // TODO: fetch views
         mGlowPadView = (GlowPadView) findViewById(R.id.glow_pad_view);
         mGlowPadView.setOnTriggerListener(mGlowPadViewListener);
     }

     private void maybeSwapSearchIcon() {
         Intent intent = ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
                 .getAssistIntent(mContext, false, UserHandle.USER_CURRENT);
         if (intent != null) {
             ComponentName component = intent.getComponent();
             if (component == null || !mGlowPadView.replaceTargetDrawablesIfPresent(component,
                     ASSIST_ICON_METADATA_NAME,
                     R.drawable.ic_action_assist_generic)) {
                 if (DEBUG) Log.v(TAG, "Couldn't grab icon for component " + component);
             }
         }
     }

     private boolean pointInside(int x, int y, View v) {
         final int l = v.getLeft();
         final int r = v.getRight();
         final int t = v.getTop();
         final int b = v.getBottom();
         return x >= l && x < r && y >= t && y < b;
     }

     public boolean isInContentArea(int x, int y) {
         return pointInside(x, y, mSearchTargetsContainer);
     }

     private final OnPreDrawListener mPreDrawListener = new ViewTreeObserver.OnPreDrawListener() {
         public boolean onPreDraw() {
             getViewTreeObserver().removeOnPreDrawListener(this);
             mGlowPadView.resumeAnimations();
             return false;
         }
     };

     private void vibrate() {
         Context context = getContext();
         if (Settings.System.getIntForUser(context.getContentResolver(),
                 Settings.System.HAPTIC_FEEDBACK_ENABLED, 1, UserHandle.USER_CURRENT) != 0) {
             Resources res = context.getResources();
             Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
             vibrator.vibrate(res.getInteger(R.integer.config_search_panel_view_vibration_duration),
                     AudioManager.STREAM_SYSTEM);
         }
     }

     public void show(final boolean show, boolean animate) {
         if (!show) {
             final LayoutTransition transitioner = animate ? createLayoutTransitioner() : null;
             ((ViewGroup) mSearchTargetsContainer).setLayoutTransition(transitioner);
         }
         mShowing = show;
         if (show) {
             maybeSwapSearchIcon();
             if (getVisibility() != View.VISIBLE) {
                 setVisibility(View.VISIBLE);
                 // Don't start the animation until we've created the layer, which is done
                 // right before we are drawn
                 mGlowPadView.suspendAnimations();
                 mGlowPadView.ping();
                 getViewTreeObserver().addOnPreDrawListener(mPreDrawListener);
                 vibrate();
             }
             setFocusable(true);
             setFocusableInTouchMode(true);
             requestFocus();
         } else {
             setVisibility(View.INVISIBLE);
         }
     }

     public void hide(boolean animate) {
         if (mBar != null) {
             // This will indirectly cause show(false, ...) to get called
             mBar.animateCollapsePanels(CommandQueue.FLAG_EXCLUDE_NONE);
         } else {
             setVisibility(View.INVISIBLE);
         }
     }

     /**
      * We need to be aligned at the bottom.  LinearLayout can't do this, so instead,
      * let LinearLayout do all the hard work, and then shift everything down to the bottom.
      */
     @Override
     protected void onLayout(boolean changed, int l, int t, int r, int b) {
         super.onLayout(changed, l, t, r, b);
         // setPanelHeight(mSearchTargetsContainer.getHeight());
     }

     @Override
     public boolean dispatchHoverEvent(MotionEvent event) {
         // Ignore hover events outside of this panel bounds since such events
         // generate spurious accessibility events with the panel content when
         // tapping outside of it, thus confusing the user.
         final int x = (int) event.getX();
         final int y = (int) event.getY();
         if (x >= 0 && x < getWidth() && y >= 0 && y < getHeight()) {
             return super.dispatchHoverEvent(event);
         }
         return true;
     }

     /**
      * Whether the panel is showing, or, if it's animating, whether it will be
      * when the animation is done.
      */
     public boolean isShowing() {
         return mShowing;
     }

     public void setBar(BaseStatusBar bar) {
         mBar = bar;
     }

     @Override
     public boolean onTouchEvent(MotionEvent event) {
         if (DEBUG_GESTURES) {
             if (event.getActionMasked() != MotionEvent.ACTION_MOVE) {
                 EventLog.writeEvent(EventLogTags.SYSUI_SEARCHPANEL_TOUCH,
                         event.getActionMasked(), (int) event.getX(), (int) event.getY());
             }
         }
         return super.onTouchEvent(event);
     }

     private LayoutTransition createLayoutTransitioner() {
         LayoutTransition transitioner = new LayoutTransition();
         transitioner.setDuration(200);
         transitioner.setStartDelay(LayoutTransition.CHANGE_DISAPPEARING, 0);
         transitioner.setAnimator(LayoutTransition.DISAPPEARING, null);
         return transitioner;
     }

     public boolean isAssistantAvailable() {
         return ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
                 .getAssistIntent(mContext, false, UserHandle.USER_CURRENT) != null;
     }
 }
	/*
	* Copyright (C) 2012 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;

	import android.animation.LayoutTransition;
	import android.app.ActivityManagerNative;
	import android.app.ActivityOptions;
	import android.app.SearchManager;
	import android.content.ActivityNotFoundException;
	import android.content.ComponentName;
	import android.content.Context;
	import android.content.Intent;
	import android.content.res.Resources;
	import android.media.AudioManager;
	import android.os.RemoteException;
	import android.os.ServiceManager;
	import android.os.UserHandle;
	import android.os.Vibrator;
	import android.provider.Settings;
	import android.util.AttributeSet;
	import android.util.EventLog;
	import android.util.Log;
	import android.view.IWindowManager;
	import android.view.MotionEvent;
	import android.view.View;
	import android.view.ViewGroup;
	import android.view.ViewTreeObserver;
	import android.view.ViewTreeObserver.OnPreDrawListener;
	import android.widget.FrameLayout;

	import com.android.internal.widget.multiwaveview.GlowPadView;
	import com.android.internal.widget.multiwaveview.GlowPadView.OnTriggerListener;
	import com.android.systemui.statusbar.BaseStatusBar;
	import com.android.systemui.statusbar.CommandQueue;
	import com.android.systemui.statusbar.StatusBarPanel;
	import com.android.systemui.statusbar.phone.KeyguardTouchDelegate;
	import com.android.systemui.statusbar.phone.PhoneStatusBar;

	public class SearchPanelView extends FrameLayout implements
	StatusBarPanel, ActivityOptions.OnAnimationStartedListener {
	private static final int SEARCH_PANEL_HOLD_DURATION = 0;
	static final String TAG = "SearchPanelView";
	static final boolean DEBUG = PhoneStatusBar.DEBUG \|\| false;
	public static final boolean DEBUG_GESTURES = true;
	private static final String ASSIST_ICON_METADATA_NAME =
	"com.android.systemui.action_assist_icon";
	private final Context mContext;
	private BaseStatusBar mBar;

	private boolean mShowing;
	private View mSearchTargetsContainer;
	private GlowPadView mGlowPadView;
	private IWindowManager mWm;

	public SearchPanelView(Context context, AttributeSet attrs) {
	this(context, attrs, 0);
	}

	public SearchPanelView(Context context, AttributeSet attrs, int defStyle) {
	super(context, attrs, defStyle);
	mContext = context;
	mWm = IWindowManager.Stub.asInterface(ServiceManager.getService("window"));
	}

	private void startAssistActivity() {
	if (!mBar.isDeviceProvisioned()) return;

	// Close Recent Apps if needed
	mBar.animateCollapsePanels(CommandQueue.FLAG_EXCLUDE_SEARCH_PANEL);
	boolean isKeyguardShowing = false;
	try {
	isKeyguardShowing = mWm.isKeyguardLocked();
	} catch (RemoteException e) {

	}

	if (isKeyguardShowing) {
	// Have keyguard show the bouncer and launch the activity if the user succeeds.
	KeyguardTouchDelegate.getInstance(getContext()).showAssistant();
	onAnimationStarted();
	} else {
	// Otherwise, keyguard isn't showing so launch it from here.
	Intent intent = ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
	.getAssistIntent(mContext, true, UserHandle.USER_CURRENT);
	if (intent == null) return;

	try {
	ActivityManagerNative.getDefault().dismissKeyguardOnNextActivity();
	} catch (RemoteException e) {
	// too bad, so sad...
	}

	try {
	ActivityOptions opts = ActivityOptions.makeCustomAnimation(mContext,
	R.anim.search_launch_enter, R.anim.search_launch_exit,
	getHandler(), this);
	intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
	mContext.startActivityAsUser(intent, opts.toBundle(),
	new UserHandle(UserHandle.USER_CURRENT));
	} catch (ActivityNotFoundException e) {
	Log.w(TAG, "Activity not found for " + intent.getAction());
	onAnimationStarted();
	}
	}
	}

	class GlowPadTriggerListener implements GlowPadView.OnTriggerListener {
	boolean mWaitingForLaunch;

	public void onGrabbed(View v, int handle) {
	}

	public void onReleased(View v, int handle) {
	}

	public void onGrabbedStateChange(View v, int handle) {
	if (!mWaitingForLaunch && OnTriggerListener.NO_HANDLE == handle) {
	mBar.hideSearchPanel();
	}
	}

	public void onTrigger(View v, final int target) {
	final int resId = mGlowPadView.getResourceIdForTarget(target);
	switch (resId) {
	case R.drawable.ic_action_assist_generic:
	mWaitingForLaunch = true;
	startAssistActivity();
	vibrate();
	break;
	}
	}

	public void onFinishFinalAnimation() {
	}
	}
	final GlowPadTriggerListener mGlowPadViewListener = new GlowPadTriggerListener();

	@Override
	public void onAnimationStarted() {
	postDelayed(new Runnable() {
	public void run() {
	mGlowPadViewListener.mWaitingForLaunch = false;
	mBar.hideSearchPanel();
	}
	}, SEARCH_PANEL_HOLD_DURATION);
	}

	@Override
	protected void onFinishInflate() {
	super.onFinishInflate();
	mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
	mSearchTargetsContainer = findViewById(R.id.search_panel_container);
	// TODO: fetch views
	mGlowPadView = (GlowPadView) findViewById(R.id.glow_pad_view);
	mGlowPadView.setOnTriggerListener(mGlowPadViewListener);
	}

	private void maybeSwapSearchIcon() {
	Intent intent = ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
	.getAssistIntent(mContext, false, UserHandle.USER_CURRENT);
	if (intent != null) {
	ComponentName component = intent.getComponent();
	if (component == null \|\| !mGlowPadView.replaceTargetDrawablesIfPresent(component,
	ASSIST_ICON_METADATA_NAME,
	R.drawable.ic_action_assist_generic)) {
	if (DEBUG) Log.v(TAG, "Couldn't grab icon for component " + component);
	}
	}
	}

	private boolean pointInside(int x, int y, View v) {
	final int l = v.getLeft();
	final int r = v.getRight();
	final int t = v.getTop();
	final int b = v.getBottom();
	return x >= l && x < r && y >= t && y < b;
	}

	public boolean isInContentArea(int x, int y) {
	return pointInside(x, y, mSearchTargetsContainer);
	}

	private final OnPreDrawListener mPreDrawListener = new ViewTreeObserver.OnPreDrawListener() {
	public boolean onPreDraw() {
	getViewTreeObserver().removeOnPreDrawListener(this);
	mGlowPadView.resumeAnimations();
	return false;
	}
	};

	private void vibrate() {
	Context context = getContext();
	if (Settings.System.getIntForUser(context.getContentResolver(),
	Settings.System.HAPTIC_FEEDBACK_ENABLED, 1, UserHandle.USER_CURRENT) != 0) {
	Resources res = context.getResources();
	Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
	vibrator.vibrate(res.getInteger(R.integer.config_search_panel_view_vibration_duration),
	AudioManager.STREAM_SYSTEM);
	}
	}

	public void show(final boolean show, boolean animate) {
	if (!show) {
	final LayoutTransition transitioner = animate ? createLayoutTransitioner() : null;
	((ViewGroup) mSearchTargetsContainer).setLayoutTransition(transitioner);
	}
	mShowing = show;
	if (show) {
	maybeSwapSearchIcon();
	if (getVisibility() != View.VISIBLE) {
	setVisibility(View.VISIBLE);
	// Don't start the animation until we've created the layer, which is done
	// right before we are drawn
	mGlowPadView.suspendAnimations();
	mGlowPadView.ping();
	getViewTreeObserver().addOnPreDrawListener(mPreDrawListener);
	vibrate();
	}
	setFocusable(true);
	setFocusableInTouchMode(true);
	requestFocus();
	} else {
	setVisibility(View.INVISIBLE);
	}
	}

	public void hide(boolean animate) {
	if (mBar != null) {
	// This will indirectly cause show(false, ...) to get called
	mBar.animateCollapsePanels(CommandQueue.FLAG_EXCLUDE_NONE);
	} else {
	setVisibility(View.INVISIBLE);
	}
	}

	/**
	* We need to be aligned at the bottom. LinearLayout can't do this, so instead,
	* let LinearLayout do all the hard work, and then shift everything down to the bottom.
	*/
	@Override
	protected void onLayout(boolean changed, int l, int t, int r, int b) {
	super.onLayout(changed, l, t, r, b);
	// setPanelHeight(mSearchTargetsContainer.getHeight());
	}

	@Override
	public boolean dispatchHoverEvent(MotionEvent event) {
	// Ignore hover events outside of this panel bounds since such events
	// generate spurious accessibility events with the panel content when
	// tapping outside of it, thus confusing the user.
	final int x = (int) event.getX();
	final int y = (int) event.getY();
	if (x >= 0 && x < getWidth() && y >= 0 && y < getHeight()) {
	return super.dispatchHoverEvent(event);
	}
	return true;
	}

	/**
	* Whether the panel is showing, or, if it's animating, whether it will be
	* when the animation is done.
	*/
	public boolean isShowing() {
	return mShowing;
	}

	public void setBar(BaseStatusBar bar) {
	mBar = bar;
	}

	@Override
	public boolean onTouchEvent(MotionEvent event) {
	if (DEBUG_GESTURES) {
	if (event.getActionMasked() != MotionEvent.ACTION_MOVE) {
	EventLog.writeEvent(EventLogTags.SYSUI_SEARCHPANEL_TOUCH,
	event.getActionMasked(), (int) event.getX(), (int) event.getY());
	}
	}
	return super.onTouchEvent(event);
	}

	private LayoutTransition createLayoutTransitioner() {
	LayoutTransition transitioner = new LayoutTransition();
	transitioner.setDuration(200);
	transitioner.setStartDelay(LayoutTransition.CHANGE_DISAPPEARING, 0);
	transitioner.setAnimator(LayoutTransition.DISAPPEARING, null);
	return transitioner;
	}

	public boolean isAssistantAvailable() {
	return ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
	.getAssistIntent(mContext, false, UserHandle.USER_CURRENT) != null;
	}
	}