Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.internal.policy.impl.keyguard; |
| 18 | |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 19 | import android.animation.Animator; |
| 20 | import android.animation.AnimatorListenerAdapter; |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 21 | import android.animation.ObjectAnimator; |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 22 | import android.content.Context; |
| 23 | import android.content.res.TypedArray; |
| 24 | import android.graphics.Canvas; |
Daniel Sandler | 1bfcc82 | 2012-10-26 11:25:49 -0400 | [diff] [blame] | 25 | import android.graphics.Paint; |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 26 | import android.graphics.Rect; |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 27 | import android.graphics.drawable.Drawable; |
| 28 | import android.util.AttributeSet; |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 29 | import android.util.FloatProperty; |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 30 | import android.util.Log; |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 31 | import android.util.Property; |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 32 | import android.view.MotionEvent; |
| 33 | import android.view.VelocityTracker; |
| 34 | import android.view.View; |
| 35 | import android.view.ViewConfiguration; |
| 36 | import android.view.ViewGroup; |
| 37 | import android.view.animation.Interpolator; |
| 38 | import android.widget.Scroller; |
| 39 | |
| 40 | import com.android.internal.R; |
| 41 | |
| 42 | /** |
| 43 | * This layout handles interaction with the sliding security challenge views |
| 44 | * that overlay/resize other keyguard contents. |
| 45 | */ |
Jim Miller | 19a5267 | 2012-10-23 19:52:04 -0700 | [diff] [blame] | 46 | public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout { |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 47 | private static final String TAG = "SlidingChallengeLayout"; |
Daniel Sandler | 1bfcc82 | 2012-10-26 11:25:49 -0400 | [diff] [blame] | 48 | private static final boolean DEBUG = false; |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 49 | |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 50 | // The drag handle is measured in dp above & below the top edge of the |
| 51 | // challenge view; these parameters change based on whether the challenge |
| 52 | // is open or closed. |
Adam Powell | cfc3086 | 2012-10-29 18:21:31 -0700 | [diff] [blame] | 53 | private static final int DRAG_HANDLE_CLOSED_ABOVE = 64; // dp |
| 54 | private static final int DRAG_HANDLE_CLOSED_BELOW = 0; // dp |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 55 | private static final int DRAG_HANDLE_OPEN_ABOVE = 8; // dp |
| 56 | private static final int DRAG_HANDLE_OPEN_BELOW = 0; // dp |
| 57 | |
| 58 | private static final boolean OPEN_ON_CLICK = true; |
| 59 | |
| 60 | private static final int HANDLE_ANIMATE_DURATION = 200; // ms |
| 61 | |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 62 | // Drawn to show the drag handle in closed state; crossfades to the challenge view |
| 63 | // when challenge is fully visible |
| 64 | private Drawable mHandleDrawable; |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 65 | private Drawable mFrameDrawable; |
| 66 | private Drawable mDragIconDrawable; |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 67 | private boolean mEdgeCaptured; |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 68 | |
| 69 | // Initialized during measurement from child layoutparams |
| 70 | private View mChallengeView; |
Adam Powell | eee2093 | 2012-10-24 16:26:56 -0700 | [diff] [blame] | 71 | private View mScrimView; |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 72 | private View mWidgetsView; |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 73 | |
| 74 | // Range: 0 (fully hidden) to 1 (fully visible) |
| 75 | private float mChallengeOffset = 1.f; |
| 76 | private boolean mChallengeShowing = true; |
Adam Powell | eee2093 | 2012-10-24 16:26:56 -0700 | [diff] [blame] | 77 | private boolean mIsBouncing = false; |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 78 | |
| 79 | private final Scroller mScroller; |
| 80 | private int mScrollState; |
Adam Powell | 0b1b552 | 2012-10-25 13:39:30 -0700 | [diff] [blame] | 81 | private OnChallengeScrolledListener mScrollListener; |
| 82 | private OnBouncerStateChangedListener mBouncerListener; |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 83 | |
| 84 | public static final int SCROLL_STATE_IDLE = 0; |
| 85 | public static final int SCROLL_STATE_DRAGGING = 1; |
| 86 | public static final int SCROLL_STATE_SETTLING = 2; |
| 87 | |
| 88 | private static final int MAX_SETTLE_DURATION = 600; // ms |
| 89 | |
| 90 | // ID of the pointer in charge of a current drag |
| 91 | private int mActivePointerId = INVALID_POINTER; |
| 92 | private static final int INVALID_POINTER = -1; |
| 93 | |
| 94 | // True if the user is currently dragging the slider |
| 95 | private boolean mDragging; |
| 96 | // True if the user may not drag until a new gesture begins |
| 97 | private boolean mBlockDrag; |
| 98 | |
| 99 | private VelocityTracker mVelocityTracker; |
| 100 | private int mMinVelocity; |
| 101 | private int mMaxVelocity; |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 102 | private float mGestureStartX, mGestureStartY; // where did you first touch the screen? |
Daniel Sandler | b42b842 | 2012-10-26 12:50:27 -0400 | [diff] [blame] | 103 | private int mGestureStartChallengeBottom; // where was the challenge at that time? |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 104 | |
| 105 | private int mDragHandleClosedBelow; // handle hitrect extension into the challenge view |
| 106 | private int mDragHandleClosedAbove; // extend the handle's hitrect this far above the line |
| 107 | private int mDragHandleOpenBelow; // handle hitrect extension into the challenge view |
| 108 | private int mDragHandleOpenAbove; // extend the handle's hitrect this far above the line |
| 109 | |
Adam Powell | 0b1b552 | 2012-10-25 13:39:30 -0700 | [diff] [blame] | 110 | private int mDragHandleEdgeSlop; |
Adam Powell | 67625e2 | 2012-10-26 15:12:30 -0700 | [diff] [blame] | 111 | private int mChallengeBottomBound; // Number of pixels from the top of the challenge view |
| 112 | // that should remain on-screen |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 113 | |
| 114 | private int mTouchSlop; |
| 115 | |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 116 | float mHandleAlpha; |
| 117 | float mFrameAlpha; |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 118 | float mFrameAnimationTarget = Float.MIN_VALUE; |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 119 | private ObjectAnimator mHandleAnimation; |
| 120 | private ObjectAnimator mFrameAnimation; |
| 121 | |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 122 | private final Rect mTempRect = new Rect(); |
| 123 | |
| 124 | private boolean mHasGlowpad; |
| 125 | |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 126 | static final Property<SlidingChallengeLayout, Float> HANDLE_ALPHA = |
| 127 | new FloatProperty<SlidingChallengeLayout>("handleAlpha") { |
| 128 | @Override |
| 129 | public void setValue(SlidingChallengeLayout view, float value) { |
| 130 | view.mHandleAlpha = value; |
| 131 | view.invalidate(); |
| 132 | } |
| 133 | |
| 134 | @Override |
| 135 | public Float get(SlidingChallengeLayout view) { |
| 136 | return view.mHandleAlpha; |
| 137 | } |
| 138 | }; |
| 139 | |
| 140 | static final Property<SlidingChallengeLayout, Float> FRAME_ALPHA = |
| 141 | new FloatProperty<SlidingChallengeLayout>("frameAlpha") { |
| 142 | @Override |
| 143 | public void setValue(SlidingChallengeLayout view, float value) { |
| 144 | if (view.mFrameDrawable != null) { |
| 145 | view.mFrameAlpha = value; |
| 146 | view.mFrameDrawable.setAlpha((int) (value * 0xFF)); |
| 147 | view.mFrameDrawable.invalidateSelf(); |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | @Override |
| 152 | public Float get(SlidingChallengeLayout view) { |
| 153 | return view.mFrameAlpha; |
| 154 | } |
| 155 | }; |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 156 | |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 157 | // True if at least one layout pass has happened since the view was attached. |
| 158 | private boolean mHasLayout; |
| 159 | |
| 160 | private static final Interpolator sMotionInterpolator = new Interpolator() { |
| 161 | public float getInterpolation(float t) { |
| 162 | t -= 1.0f; |
| 163 | return t * t * t * t * t + 1.0f; |
| 164 | } |
| 165 | }; |
| 166 | |
| 167 | private static final Interpolator sHandleFadeInterpolator = new Interpolator() { |
| 168 | public float getInterpolation(float t) { |
| 169 | return t * t; |
| 170 | } |
| 171 | }; |
| 172 | |
| 173 | private final Runnable mEndScrollRunnable = new Runnable () { |
| 174 | public void run() { |
| 175 | completeChallengeScroll(); |
| 176 | } |
| 177 | }; |
| 178 | |
Adam Powell | eee2093 | 2012-10-24 16:26:56 -0700 | [diff] [blame] | 179 | private final OnClickListener mScrimClickListener = new OnClickListener() { |
| 180 | @Override |
| 181 | public void onClick(View v) { |
| 182 | hideBouncer(); |
| 183 | } |
| 184 | }; |
| 185 | |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 186 | /** |
| 187 | * Listener interface that reports changes in scroll state of the challenge area. |
| 188 | */ |
| 189 | public interface OnChallengeScrolledListener { |
| 190 | /** |
| 191 | * The scroll state itself changed. |
| 192 | * |
| 193 | * <p>scrollState will be one of the following:</p> |
| 194 | * |
| 195 | * <ul> |
| 196 | * <li><code>SCROLL_STATE_IDLE</code> - The challenge area is stationary.</li> |
| 197 | * <li><code>SCROLL_STATE_DRAGGING</code> - The user is actively dragging |
| 198 | * the challenge area.</li> |
| 199 | * <li><code>SCROLL_STATE_SETTLING</code> - The challenge area is animating |
| 200 | * into place.</li> |
| 201 | * </ul> |
| 202 | * |
| 203 | * <p>Do not perform expensive operations (e.g. layout) |
| 204 | * while the scroll state is not <code>SCROLL_STATE_IDLE</code>.</p> |
| 205 | * |
| 206 | * @param scrollState The new scroll state of the challenge area. |
| 207 | */ |
| 208 | public void onScrollStateChanged(int scrollState); |
| 209 | |
| 210 | /** |
| 211 | * The precise position of the challenge area has changed. |
| 212 | * |
| 213 | * <p>NOTE: It is NOT safe to modify layout or call any View methods that may |
| 214 | * result in a requestLayout anywhere in your view hierarchy as a result of this call. |
| 215 | * It may be called during drawing.</p> |
| 216 | * |
| 217 | * @param scrollPosition New relative position of the challenge area. |
| 218 | * 1.f = fully visible/ready to be interacted with. |
| 219 | * 0.f = fully invisible/inaccessible to the user. |
| 220 | * @param challengeTop Position of the top edge of the challenge view in px in the |
| 221 | * SlidingChallengeLayout's coordinate system. |
| 222 | */ |
| 223 | public void onScrollPositionChanged(float scrollPosition, int challengeTop); |
| 224 | } |
| 225 | |
| 226 | public SlidingChallengeLayout(Context context) { |
| 227 | this(context, null); |
| 228 | } |
| 229 | |
| 230 | public SlidingChallengeLayout(Context context, AttributeSet attrs) { |
| 231 | this(context, attrs, 0); |
| 232 | } |
| 233 | |
| 234 | public SlidingChallengeLayout(Context context, AttributeSet attrs, int defStyle) { |
| 235 | super(context, attrs, defStyle); |
| 236 | |
| 237 | final TypedArray a = context.obtainStyledAttributes(attrs, |
| 238 | R.styleable.SlidingChallengeLayout, defStyle, 0); |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 239 | setDragDrawables(a.getDrawable(R.styleable.SlidingChallengeLayout_dragHandle), |
| 240 | a.getDrawable(R.styleable.SlidingChallengeLayout_dragIcon)); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 241 | |
| 242 | a.recycle(); |
| 243 | |
| 244 | mScroller = new Scroller(context, sMotionInterpolator); |
| 245 | |
| 246 | final ViewConfiguration vc = ViewConfiguration.get(context); |
| 247 | mMinVelocity = vc.getScaledMinimumFlingVelocity(); |
| 248 | mMaxVelocity = vc.getScaledMaximumFlingVelocity(); |
| 249 | |
Adam Powell | 0b1b552 | 2012-10-25 13:39:30 -0700 | [diff] [blame] | 250 | mDragHandleEdgeSlop = getResources().getDimensionPixelSize( |
| 251 | R.dimen.kg_edge_swipe_region_size); |
| 252 | |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 253 | mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop(); |
| 254 | |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 255 | final float density = getResources().getDisplayMetrics().density; |
Daniel Sandler | 1bfcc82 | 2012-10-26 11:25:49 -0400 | [diff] [blame] | 256 | |
| 257 | // top half of the lock icon, plus another 25% to be sure |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 258 | mDragHandleClosedAbove = (int) (DRAG_HANDLE_CLOSED_ABOVE * density + 0.5f); |
| 259 | mDragHandleClosedBelow = (int) (DRAG_HANDLE_CLOSED_BELOW * density + 0.5f); |
| 260 | mDragHandleOpenAbove = (int) (DRAG_HANDLE_OPEN_ABOVE * density + 0.5f); |
| 261 | mDragHandleOpenBelow = (int) (DRAG_HANDLE_OPEN_BELOW * density + 0.5f); |
| 262 | |
| 263 | // how much space to account for in the handle when closed |
Adam Powell | cfc3086 | 2012-10-29 18:21:31 -0700 | [diff] [blame] | 264 | mChallengeBottomBound = mDragHandleClosedBelow; |
Daniel Sandler | 1bfcc82 | 2012-10-26 11:25:49 -0400 | [diff] [blame] | 265 | |
Adam Powell | cfc3086 | 2012-10-29 18:21:31 -0700 | [diff] [blame] | 266 | setWillNotDraw(false); |
| 267 | } |
| 268 | |
| 269 | public void setDragDrawables(Drawable handle, Drawable icon) { |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 270 | mHandleDrawable = handle; |
| 271 | mDragIconDrawable = icon; |
| 272 | } |
| 273 | |
| 274 | public void setDragIconDrawable(Drawable d) { |
| 275 | mDragIconDrawable = d; |
| 276 | } |
| 277 | |
| 278 | public void showHandle(boolean visible) { |
| 279 | if (visible) { |
| 280 | if (mHandleAnimation != null) { |
| 281 | mHandleAnimation.cancel(); |
| 282 | mHandleAnimation = null; |
| 283 | } |
| 284 | mHandleAlpha = 1.f; |
| 285 | invalidate(); |
| 286 | } else { |
| 287 | animateHandle(false); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 288 | } |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 289 | } |
| 290 | |
| 291 | void animateHandle(boolean visible) { |
| 292 | if (mHandleAnimation != null) { |
| 293 | mHandleAnimation.cancel(); |
Adam Powell | 67625e2 | 2012-10-26 15:12:30 -0700 | [diff] [blame] | 294 | mHandleAnimation = null; |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 295 | } |
Adam Powell | 67625e2 | 2012-10-26 15:12:30 -0700 | [diff] [blame] | 296 | final float targetAlpha = visible ? 1.f : 0.f; |
| 297 | if (targetAlpha == mHandleAlpha) { |
| 298 | return; |
| 299 | } |
| 300 | mHandleAnimation = ObjectAnimator.ofFloat(this, HANDLE_ALPHA, targetAlpha); |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 301 | mHandleAnimation.setInterpolator(sHandleFadeInterpolator); |
| 302 | mHandleAnimation.setDuration(HANDLE_ANIMATE_DURATION); |
| 303 | mHandleAnimation.start(); |
| 304 | } |
| 305 | |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 306 | void animateFrame(final boolean visible, final boolean full) { |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 307 | if (mFrameDrawable == null) return; |
| 308 | |
Adam Powell | 67625e2 | 2012-10-26 15:12:30 -0700 | [diff] [blame] | 309 | final float targetAlpha = visible ? (full ? 1.f : 0.5f) : 0.f; |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 310 | if (mFrameAnimation != null && targetAlpha != mFrameAnimationTarget) { |
| 311 | mFrameAnimation.cancel(); |
| 312 | mFrameAnimationTarget = Float.MIN_VALUE; |
| 313 | } |
| 314 | if (targetAlpha == mFrameAlpha || targetAlpha == mFrameAnimationTarget) { |
Adam Powell | 67625e2 | 2012-10-26 15:12:30 -0700 | [diff] [blame] | 315 | return; |
| 316 | } |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 317 | mFrameAnimationTarget = targetAlpha; |
Adam Powell | 67625e2 | 2012-10-26 15:12:30 -0700 | [diff] [blame] | 318 | |
| 319 | mFrameAnimation = ObjectAnimator.ofFloat(this, FRAME_ALPHA, targetAlpha); |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 320 | mFrameAnimation.setInterpolator(sHandleFadeInterpolator); |
| 321 | mFrameAnimation.setDuration(HANDLE_ANIMATE_DURATION); |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 322 | mFrameAnimation.addListener(new AnimatorListenerAdapter() { |
| 323 | @Override |
| 324 | public void onAnimationEnd(Animator animation) { |
| 325 | mFrameAnimationTarget = Float.MIN_VALUE; |
| 326 | |
| 327 | if (!visible && full && mChallengeView != null) { |
| 328 | // Mess with padding/margin to remove insets on the bouncer frame. |
| 329 | mChallengeView.setPadding(0, 0, 0, 0); |
| 330 | LayoutParams lp = (LayoutParams) mChallengeView.getLayoutParams(); |
| 331 | lp.leftMargin = lp.rightMargin = getChallengeMargin(true); |
| 332 | mChallengeView.setLayoutParams(lp); |
| 333 | } |
| 334 | mFrameAnimation = null; |
| 335 | } |
| 336 | |
| 337 | @Override |
| 338 | public void onAnimationCancel(Animator animation) { |
| 339 | mFrameAnimationTarget = Float.MIN_VALUE; |
| 340 | mFrameAnimation = null; |
| 341 | } |
| 342 | }); |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 343 | mFrameAnimation.start(); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 344 | } |
| 345 | |
| 346 | private void sendInitialListenerUpdates() { |
Adam Powell | 0b1b552 | 2012-10-25 13:39:30 -0700 | [diff] [blame] | 347 | if (mScrollListener != null) { |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 348 | int challengeTop = mChallengeView != null ? mChallengeView.getTop() : 0; |
Adam Powell | 0b1b552 | 2012-10-25 13:39:30 -0700 | [diff] [blame] | 349 | mScrollListener.onScrollPositionChanged(mChallengeOffset, challengeTop); |
| 350 | mScrollListener.onScrollStateChanged(mScrollState); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 351 | } |
| 352 | } |
| 353 | |
| 354 | public void setOnChallengeScrolledListener(OnChallengeScrolledListener listener) { |
Adam Powell | 0b1b552 | 2012-10-25 13:39:30 -0700 | [diff] [blame] | 355 | mScrollListener = listener; |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 356 | if (mHasLayout) { |
| 357 | sendInitialListenerUpdates(); |
| 358 | } |
| 359 | } |
| 360 | |
Adam Powell | 0b1b552 | 2012-10-25 13:39:30 -0700 | [diff] [blame] | 361 | public void setOnBouncerStateChangedListener(OnBouncerStateChangedListener listener) { |
| 362 | mBouncerListener = listener; |
| 363 | } |
| 364 | |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 365 | @Override |
| 366 | public void onAttachedToWindow() { |
| 367 | super.onAttachedToWindow(); |
| 368 | |
| 369 | mHasLayout = false; |
| 370 | } |
| 371 | |
| 372 | @Override |
| 373 | public void onDetachedFromWindow() { |
| 374 | super.onDetachedFromWindow(); |
| 375 | |
| 376 | removeCallbacks(mEndScrollRunnable); |
| 377 | mHasLayout = false; |
| 378 | } |
| 379 | |
Adam Powell | 0b1b552 | 2012-10-25 13:39:30 -0700 | [diff] [blame] | 380 | @Override |
| 381 | public void requestChildFocus(View child, View focused) { |
| 382 | if (mIsBouncing && child != mChallengeView) { |
| 383 | // Clear out of the bouncer if the user tries to move focus outside of |
| 384 | // the security challenge view. |
| 385 | hideBouncer(); |
| 386 | } |
| 387 | super.requestChildFocus(child, focused); |
| 388 | } |
| 389 | |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 390 | // We want the duration of the page snap animation to be influenced by the distance that |
| 391 | // the screen has to travel, however, we don't want this duration to be effected in a |
| 392 | // purely linear fashion. Instead, we use this method to moderate the effect that the distance |
| 393 | // of travel has on the overall snap duration. |
| 394 | float distanceInfluenceForSnapDuration(float f) { |
| 395 | f -= 0.5f; // center the values about 0. |
| 396 | f *= 0.3f * Math.PI / 2.0f; |
| 397 | return (float) Math.sin(f); |
| 398 | } |
| 399 | |
| 400 | void setScrollState(int state) { |
| 401 | if (mScrollState != state) { |
| 402 | mScrollState = state; |
| 403 | |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 404 | animateHandle(state == SCROLL_STATE_IDLE && !mChallengeShowing); |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 405 | if (!mIsBouncing) { |
| 406 | animateFrame(false, false); |
| 407 | } |
Adam Powell | 0b1b552 | 2012-10-25 13:39:30 -0700 | [diff] [blame] | 408 | if (mScrollListener != null) { |
| 409 | mScrollListener.onScrollStateChanged(state); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 410 | } |
| 411 | } |
| 412 | } |
| 413 | |
| 414 | void completeChallengeScroll() { |
| 415 | setChallengeShowing(mChallengeOffset != 0); |
| 416 | setScrollState(SCROLL_STATE_IDLE); |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 417 | mChallengeView.setLayerType(LAYER_TYPE_NONE, null); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 418 | } |
| 419 | |
Adam Powell | eee2093 | 2012-10-24 16:26:56 -0700 | [diff] [blame] | 420 | void setScrimView(View scrim) { |
| 421 | if (mScrimView != null) { |
| 422 | mScrimView.setOnClickListener(null); |
| 423 | } |
| 424 | mScrimView = scrim; |
| 425 | mScrimView.setVisibility(mIsBouncing ? VISIBLE : GONE); |
| 426 | mScrimView.setFocusable(true); |
| 427 | mScrimView.setOnClickListener(mScrimClickListener); |
| 428 | } |
| 429 | |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 430 | /** |
| 431 | * Animate the bottom edge of the challenge view to the given position. |
| 432 | * |
| 433 | * @param y desired final position for the bottom edge of the challenge view in px |
| 434 | * @param velocity velocity in |
| 435 | */ |
| 436 | void animateChallengeTo(int y, int velocity) { |
| 437 | if (mChallengeView == null) { |
| 438 | // Nothing to do. |
| 439 | return; |
| 440 | } |
Adam Powell | 67625e2 | 2012-10-26 15:12:30 -0700 | [diff] [blame] | 441 | final int sy = mChallengeView.getBottom(); |
| 442 | final int dy = y - sy; |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 443 | if (dy == 0) { |
| 444 | completeChallengeScroll(); |
| 445 | return; |
| 446 | } |
| 447 | |
| 448 | setScrollState(SCROLL_STATE_SETTLING); |
| 449 | |
| 450 | final int childHeight = mChallengeView.getHeight(); |
| 451 | final int halfHeight = childHeight / 2; |
| 452 | final float distanceRatio = Math.min(1f, 1.0f * Math.abs(dy) / childHeight); |
| 453 | final float distance = halfHeight + halfHeight * |
| 454 | distanceInfluenceForSnapDuration(distanceRatio); |
| 455 | |
| 456 | int duration = 0; |
| 457 | velocity = Math.abs(velocity); |
| 458 | if (velocity > 0) { |
| 459 | duration = 4 * Math.round(1000 * Math.abs(distance / velocity)); |
| 460 | } else { |
| 461 | final float childDelta = (float) Math.abs(dy) / childHeight; |
| 462 | duration = (int) ((childDelta + 1) * 100); |
| 463 | } |
| 464 | duration = Math.min(duration, MAX_SETTLE_DURATION); |
| 465 | |
| 466 | mScroller.startScroll(0, sy, 0, dy, duration); |
| 467 | postInvalidateOnAnimation(); |
| 468 | } |
| 469 | |
| 470 | private void setChallengeShowing(boolean showChallenge) { |
Adam Powell | 67625e2 | 2012-10-26 15:12:30 -0700 | [diff] [blame] | 471 | mChallengeShowing = showChallenge; |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 472 | } |
| 473 | |
| 474 | /** |
| 475 | * @return true if the challenge is at all visible. |
| 476 | */ |
| 477 | public boolean isChallengeShowing() { |
| 478 | return mChallengeShowing; |
| 479 | } |
| 480 | |
| 481 | @Override |
Jim Miller | 19a5267 | 2012-10-23 19:52:04 -0700 | [diff] [blame] | 482 | public boolean isChallengeOverlapping() { |
| 483 | return mChallengeShowing; |
| 484 | } |
| 485 | |
| 486 | @Override |
Adam Powell | eee2093 | 2012-10-24 16:26:56 -0700 | [diff] [blame] | 487 | public boolean isBouncing() { |
| 488 | return mIsBouncing; |
| 489 | } |
| 490 | |
| 491 | @Override |
| 492 | public void showBouncer() { |
| 493 | if (mIsBouncing) return; |
| 494 | showChallenge(true); |
| 495 | mIsBouncing = true; |
| 496 | if (mScrimView != null) { |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 497 | mScrimView.setVisibility(VISIBLE); |
Adam Powell | eee2093 | 2012-10-24 16:26:56 -0700 | [diff] [blame] | 498 | } |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 499 | |
| 500 | // Mess with padding/margin to inset the bouncer frame. |
| 501 | // We have more space available to us otherwise. |
| 502 | if (mChallengeView != null) { |
| 503 | if (mFrameDrawable == null || !mFrameDrawable.getPadding(mTempRect)) { |
| 504 | mTempRect.set(0, 0, 0, 0); |
| 505 | } |
| 506 | mChallengeView.setPadding(mTempRect.left, mTempRect.top, mTempRect.right, |
| 507 | mTempRect.bottom); |
| 508 | final LayoutParams lp = (LayoutParams) mChallengeView.getLayoutParams(); |
| 509 | lp.leftMargin = lp.rightMargin = getChallengeMargin(false); |
| 510 | mChallengeView.setLayoutParams(lp); |
| 511 | } |
| 512 | |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 513 | animateFrame(true, true); |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 514 | |
Adam Powell | 0b1b552 | 2012-10-25 13:39:30 -0700 | [diff] [blame] | 515 | if (mBouncerListener != null) { |
| 516 | mBouncerListener.onBouncerStateChanged(true); |
| 517 | } |
Adam Powell | eee2093 | 2012-10-24 16:26:56 -0700 | [diff] [blame] | 518 | } |
| 519 | |
| 520 | @Override |
| 521 | public void hideBouncer() { |
| 522 | if (!mIsBouncing) return; |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 523 | showChallenge(false); |
Adam Powell | eee2093 | 2012-10-24 16:26:56 -0700 | [diff] [blame] | 524 | mIsBouncing = false; |
| 525 | if (mScrimView != null) { |
| 526 | mScrimView.setVisibility(GONE); |
| 527 | } |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 528 | animateFrame(false, true); |
Adam Powell | 0b1b552 | 2012-10-25 13:39:30 -0700 | [diff] [blame] | 529 | if (mBouncerListener != null) { |
| 530 | mBouncerListener.onBouncerStateChanged(false); |
| 531 | } |
Adam Powell | eee2093 | 2012-10-24 16:26:56 -0700 | [diff] [blame] | 532 | } |
| 533 | |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 534 | private int getChallengeMargin(boolean expanded) { |
| 535 | return expanded && mHasGlowpad ? 0 : mDragHandleEdgeSlop; |
| 536 | } |
| 537 | |
Adam Powell | eee2093 | 2012-10-24 16:26:56 -0700 | [diff] [blame] | 538 | @Override |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 539 | public void requestDisallowInterceptTouchEvent(boolean allowIntercept) { |
| 540 | // We'll intercept whoever we feel like! ...as long as it isn't a challenge view. |
| 541 | // If there are one or more pointers in the challenge view before we take over |
| 542 | // touch events, onInterceptTouchEvent will set mBlockDrag. |
| 543 | } |
| 544 | |
| 545 | @Override |
| 546 | public boolean onInterceptTouchEvent(MotionEvent ev) { |
| 547 | if (mVelocityTracker == null) { |
| 548 | mVelocityTracker = VelocityTracker.obtain(); |
| 549 | } |
| 550 | mVelocityTracker.addMovement(ev); |
| 551 | |
| 552 | final int action = ev.getActionMasked(); |
| 553 | switch (action) { |
Jim Miller | 022554e | 2012-10-22 19:03:06 -0700 | [diff] [blame] | 554 | case MotionEvent.ACTION_DOWN: |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 555 | mGestureStartX = ev.getX(); |
Daniel Sandler | b42b842 | 2012-10-26 12:50:27 -0400 | [diff] [blame] | 556 | mGestureStartY = ev.getY(); |
Adam Powell | 995270f | 2012-10-26 16:10:43 -0700 | [diff] [blame] | 557 | mBlockDrag = false; |
Jim Miller | 022554e | 2012-10-22 19:03:06 -0700 | [diff] [blame] | 558 | break; |
| 559 | |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 560 | case MotionEvent.ACTION_CANCEL: |
| 561 | case MotionEvent.ACTION_UP: |
| 562 | resetTouch(); |
| 563 | break; |
| 564 | |
| 565 | case MotionEvent.ACTION_MOVE: |
| 566 | final int count = ev.getPointerCount(); |
| 567 | for (int i = 0; i < count; i++) { |
| 568 | final float x = ev.getX(i); |
| 569 | final float y = ev.getY(i); |
| 570 | |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 571 | if (!mIsBouncing && |
Daniel Sandler | b42b842 | 2012-10-26 12:50:27 -0400 | [diff] [blame] | 572 | (isInDragHandle(x, y) || crossedDragHandle(x, y, mGestureStartY) || |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 573 | (isInChallengeView(x, y) && mScrollState == SCROLL_STATE_SETTLING)) && |
| 574 | mActivePointerId == INVALID_POINTER) { |
| 575 | mActivePointerId = ev.getPointerId(i); |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 576 | mGestureStartX = x; |
| 577 | mGestureStartY = y; |
Daniel Sandler | b42b842 | 2012-10-26 12:50:27 -0400 | [diff] [blame] | 578 | mGestureStartChallengeBottom = getChallengeBottom(); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 579 | mDragging = true; |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 580 | mChallengeView.setLayerType(LAYER_TYPE_HARDWARE, null); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 581 | } else if (isInChallengeView(x, y)) { |
| 582 | mBlockDrag = true; |
| 583 | } |
| 584 | } |
| 585 | break; |
| 586 | } |
| 587 | |
| 588 | if (mBlockDrag) { |
| 589 | mActivePointerId = INVALID_POINTER; |
| 590 | mDragging = false; |
| 591 | } |
| 592 | |
| 593 | return mDragging; |
| 594 | } |
| 595 | |
| 596 | private void resetTouch() { |
| 597 | mVelocityTracker.recycle(); |
| 598 | mVelocityTracker = null; |
| 599 | mActivePointerId = INVALID_POINTER; |
| 600 | mDragging = mBlockDrag = false; |
| 601 | } |
| 602 | |
| 603 | @Override |
| 604 | public boolean onTouchEvent(MotionEvent ev) { |
| 605 | if (mVelocityTracker == null) { |
| 606 | mVelocityTracker = VelocityTracker.obtain(); |
| 607 | } |
| 608 | mVelocityTracker.addMovement(ev); |
| 609 | |
| 610 | final int action = ev.getActionMasked(); |
| 611 | switch (action) { |
Adam Powell | 995270f | 2012-10-26 16:10:43 -0700 | [diff] [blame] | 612 | case MotionEvent.ACTION_DOWN: |
| 613 | mBlockDrag = false; |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 614 | mGestureStartX = ev.getX(); |
Adam Powell | 995270f | 2012-10-26 16:10:43 -0700 | [diff] [blame] | 615 | mGestureStartY = ev.getY(); |
| 616 | break; |
| 617 | |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 618 | case MotionEvent.ACTION_CANCEL: |
| 619 | if (mDragging) { |
| 620 | showChallenge(0); |
| 621 | } |
| 622 | resetTouch(); |
| 623 | break; |
| 624 | |
| 625 | case MotionEvent.ACTION_POINTER_UP: |
| 626 | if (mActivePointerId != ev.getPointerId(ev.getActionIndex())) { |
| 627 | break; |
| 628 | } |
| 629 | case MotionEvent.ACTION_UP: |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 630 | if (OPEN_ON_CLICK |
| 631 | && isInDragHandle(mGestureStartX, mGestureStartY) |
| 632 | && Math.abs(ev.getX() - mGestureStartX) <= mTouchSlop |
| 633 | && Math.abs(ev.getY() - mGestureStartY) <= mTouchSlop) { |
| 634 | showChallenge(true); |
| 635 | } else if (mDragging) { |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 636 | mVelocityTracker.computeCurrentVelocity(1000, mMaxVelocity); |
| 637 | showChallenge((int) mVelocityTracker.getYVelocity(mActivePointerId)); |
| 638 | } |
| 639 | resetTouch(); |
| 640 | break; |
| 641 | |
| 642 | case MotionEvent.ACTION_MOVE: |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 643 | if (!mDragging && !mBlockDrag && !mIsBouncing) { |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 644 | final int count = ev.getPointerCount(); |
| 645 | for (int i = 0; i < count; i++) { |
| 646 | final float x = ev.getX(i); |
| 647 | final float y = ev.getY(i); |
| 648 | |
Daniel Sandler | b42b842 | 2012-10-26 12:50:27 -0400 | [diff] [blame] | 649 | if ((isInDragHandle(x, y) || crossedDragHandle(x, y, mGestureStartY) || |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 650 | (isInChallengeView(x, y) && mScrollState == SCROLL_STATE_SETTLING)) |
| 651 | && mActivePointerId == INVALID_POINTER) { |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 652 | mGestureStartX = x; |
Daniel Sandler | b42b842 | 2012-10-26 12:50:27 -0400 | [diff] [blame] | 653 | mGestureStartY = y; |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 654 | mActivePointerId = ev.getPointerId(i); |
Daniel Sandler | b42b842 | 2012-10-26 12:50:27 -0400 | [diff] [blame] | 655 | mGestureStartChallengeBottom = getChallengeBottom(); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 656 | mDragging = true; |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 657 | mChallengeView.setLayerType(LAYER_TYPE_HARDWARE, null); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 658 | break; |
| 659 | } |
| 660 | } |
| 661 | } |
| 662 | // Not an else; this can be set above. |
| 663 | if (mDragging) { |
| 664 | // No-op if already in this state, but set it here in case we arrived |
| 665 | // at this point from either intercept or the above. |
| 666 | setScrollState(SCROLL_STATE_DRAGGING); |
| 667 | |
| 668 | final int index = ev.findPointerIndex(mActivePointerId); |
| 669 | if (index < 0) { |
| 670 | // Oops, bogus state. We lost some touch events somewhere. |
| 671 | // Just drop it with no velocity and let things settle. |
| 672 | resetTouch(); |
| 673 | showChallenge(0); |
| 674 | return true; |
| 675 | } |
Daniel Sandler | b42b842 | 2012-10-26 12:50:27 -0400 | [diff] [blame] | 676 | final float y = ev.getY(index); |
| 677 | final float pos = Math.min(y - mGestureStartY, |
Adam Powell | 67625e2 | 2012-10-26 15:12:30 -0700 | [diff] [blame] | 678 | getLayoutBottom() - mChallengeBottomBound); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 679 | |
Daniel Sandler | b42b842 | 2012-10-26 12:50:27 -0400 | [diff] [blame] | 680 | moveChallengeTo(mGestureStartChallengeBottom + (int) pos); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 681 | } |
| 682 | break; |
| 683 | } |
| 684 | return true; |
| 685 | } |
| 686 | |
Daniel Sandler | b42b842 | 2012-10-26 12:50:27 -0400 | [diff] [blame] | 687 | /** |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 688 | * The lifecycle of touch events is subtle and it's very easy to do something |
| 689 | * that will cause bugs that will be nasty to track when overriding this method. |
| 690 | * Normally one should always override onInterceptTouchEvent instead. |
| 691 | * |
| 692 | * To put it another way, don't try this at home. |
| 693 | */ |
| 694 | @Override |
| 695 | public boolean dispatchTouchEvent(MotionEvent ev) { |
| 696 | final int action = ev.getActionMasked(); |
| 697 | boolean handled = false; |
| 698 | if (action == MotionEvent.ACTION_DOWN) { |
| 699 | // Defensive programming: if we didn't get the UP or CANCEL, reset anyway. |
| 700 | mEdgeCaptured = false; |
| 701 | } |
| 702 | if (mWidgetsView != null && !mIsBouncing && (mEdgeCaptured || isEdgeSwipeBeginEvent(ev))) { |
| 703 | // Normally we would need to do a lot of extra stuff here. |
| 704 | // We can only get away with this because we haven't padded in |
| 705 | // the widget pager or otherwise transformed it during layout. |
| 706 | // We also don't support things like splitting MotionEvents. |
| 707 | |
| 708 | // We set handled to captured even if dispatch is returning false here so that |
| 709 | // we don't send a different view a busted or incomplete event stream. |
| 710 | handled = mEdgeCaptured |= mWidgetsView.dispatchTouchEvent(ev); |
| 711 | } |
| 712 | |
| 713 | if (!handled && !mEdgeCaptured) { |
| 714 | handled = super.dispatchTouchEvent(ev); |
| 715 | } |
| 716 | |
| 717 | if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL) { |
| 718 | mEdgeCaptured = false; |
| 719 | } |
| 720 | |
| 721 | return handled; |
| 722 | } |
| 723 | |
| 724 | private boolean isEdgeSwipeBeginEvent(MotionEvent ev) { |
| 725 | if (ev.getActionMasked() != MotionEvent.ACTION_DOWN) { |
| 726 | return false; |
| 727 | } |
| 728 | |
| 729 | final float x = ev.getX(); |
| 730 | return x < mDragHandleEdgeSlop || x >= getWidth() - mDragHandleEdgeSlop; |
| 731 | } |
| 732 | |
| 733 | /** |
Daniel Sandler | b42b842 | 2012-10-26 12:50:27 -0400 | [diff] [blame] | 734 | * We only want to add additional vertical space to the drag handle when the panel is fully |
| 735 | * closed. |
| 736 | */ |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 737 | private int getDragHandleSizeAbove() { |
| 738 | return isChallengeShowing() ? mDragHandleOpenAbove : mDragHandleClosedAbove; |
| 739 | } |
| 740 | private int getDragHandleSizeBelow() { |
| 741 | return isChallengeShowing() ? mDragHandleOpenBelow : mDragHandleClosedBelow; |
Daniel Sandler | b42b842 | 2012-10-26 12:50:27 -0400 | [diff] [blame] | 742 | } |
| 743 | |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 744 | private boolean isInChallengeView(float x, float y) { |
| 745 | if (mChallengeView == null) return false; |
| 746 | |
| 747 | return x >= mChallengeView.getLeft() && y >= mChallengeView.getTop() && |
| 748 | x < mChallengeView.getRight() && y < mChallengeView.getBottom(); |
| 749 | } |
| 750 | |
| 751 | private boolean isInDragHandle(float x, float y) { |
| 752 | if (mChallengeView == null) return false; |
| 753 | |
Adam Powell | 0b1b552 | 2012-10-25 13:39:30 -0700 | [diff] [blame] | 754 | return x >= mDragHandleEdgeSlop && |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 755 | y >= mChallengeView.getTop() - getDragHandleSizeAbove() && |
Adam Powell | 0b1b552 | 2012-10-25 13:39:30 -0700 | [diff] [blame] | 756 | x < getWidth() - mDragHandleEdgeSlop && |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 757 | y < mChallengeView.getTop() + getDragHandleSizeBelow(); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 758 | } |
| 759 | |
Daniel Sandler | b42b842 | 2012-10-26 12:50:27 -0400 | [diff] [blame] | 760 | private boolean crossedDragHandle(float x, float y, float initialY) { |
Jim Miller | 022554e | 2012-10-22 19:03:06 -0700 | [diff] [blame] | 761 | final int challengeTop = mChallengeView.getTop(); |
Daniel Sandler | 1bfcc82 | 2012-10-26 11:25:49 -0400 | [diff] [blame] | 762 | return x >= 0 && |
| 763 | x < getWidth() && |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 764 | initialY < (challengeTop - getDragHandleSizeAbove()) && |
| 765 | y > challengeTop + getDragHandleSizeBelow(); |
Jim Miller | 022554e | 2012-10-22 19:03:06 -0700 | [diff] [blame] | 766 | } |
| 767 | |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 768 | @Override |
| 769 | protected void onMeasure(int widthSpec, int heightSpec) { |
| 770 | if (MeasureSpec.getMode(widthSpec) != MeasureSpec.EXACTLY || |
| 771 | MeasureSpec.getMode(heightSpec) != MeasureSpec.EXACTLY) { |
| 772 | throw new IllegalArgumentException( |
| 773 | "SlidingChallengeLayout must be measured with an exact size"); |
| 774 | } |
| 775 | |
| 776 | final int width = MeasureSpec.getSize(widthSpec); |
| 777 | final int height = MeasureSpec.getSize(heightSpec); |
| 778 | setMeasuredDimension(width, height); |
| 779 | |
| 780 | // Find one and only one challenge view. |
| 781 | final View oldChallengeView = mChallengeView; |
| 782 | mChallengeView = null; |
| 783 | final int count = getChildCount(); |
Adam Cohen | 8a7785c | 2012-10-29 22:01:33 -0700 | [diff] [blame] | 784 | |
| 785 | // First iteration through the children finds special children and sets any associated |
| 786 | // state. |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 787 | for (int i = 0; i < count; i++) { |
| 788 | final View child = getChildAt(i); |
| 789 | final LayoutParams lp = (LayoutParams) child.getLayoutParams(); |
| 790 | |
Adam Powell | eee2093 | 2012-10-24 16:26:56 -0700 | [diff] [blame] | 791 | if (lp.childType == LayoutParams.CHILD_TYPE_CHALLENGE) { |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 792 | if (mChallengeView != null) { |
| 793 | throw new IllegalStateException( |
| 794 | "There may only be one child with layout_isChallenge=\"true\""); |
| 795 | } |
| 796 | mChallengeView = child; |
| 797 | if (mChallengeView != oldChallengeView) { |
| 798 | mChallengeView.setVisibility(mChallengeShowing ? VISIBLE : INVISIBLE); |
| 799 | } |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 800 | // We're going to play silly games with the frame's background drawable later. |
| 801 | mFrameDrawable = mChallengeView.getBackground(); |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 802 | |
| 803 | if (!mHasLayout) { |
| 804 | // Set up the margin correctly based on our content for the first run. |
| 805 | mHasGlowpad = child.findViewById(R.id.keyguard_selector_view) != null; |
| 806 | lp.leftMargin = lp.rightMargin = getChallengeMargin(true); |
| 807 | } |
Adam Powell | eee2093 | 2012-10-24 16:26:56 -0700 | [diff] [blame] | 808 | } else if (lp.childType == LayoutParams.CHILD_TYPE_SCRIM) { |
| 809 | setScrimView(child); |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 810 | } else if (lp.childType == LayoutParams.CHILD_TYPE_WIDGETS) { |
| 811 | mWidgetsView = child; |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 812 | } |
Adam Cohen | 5be14de | 2012-10-30 11:19:48 -0700 | [diff] [blame] | 813 | |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 814 | if (child.getVisibility() == GONE) continue; |
Adam Cohen | 8a7785c | 2012-10-29 22:01:33 -0700 | [diff] [blame] | 815 | } |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 816 | |
Adam Cohen | 5be14de | 2012-10-30 11:19:48 -0700 | [diff] [blame] | 817 | // We want to measure the challenge view first, since the KeyguardWidgetPager |
| 818 | // needs to do things its measure pass that are dependent on the challenge view |
| 819 | // having been measured. |
Adam Cohen | 8a7785c | 2012-10-29 22:01:33 -0700 | [diff] [blame] | 820 | if (mChallengeView != null) { |
| 821 | measureChildWithMargins(mChallengeView, widthSpec, 0, heightSpec, 0); |
| 822 | } |
| 823 | |
| 824 | // Measure the rest of the children |
| 825 | for (int i = 0; i < count; i++) { |
| 826 | final View child = getChildAt(i); |
| 827 | // Don't measure the challenge view twice! |
| 828 | if (child != mChallengeView) { |
| 829 | measureChildWithMargins(child, widthSpec, 0, heightSpec, 0); |
| 830 | } |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 831 | } |
| 832 | } |
| 833 | |
| 834 | @Override |
| 835 | protected void onLayout(boolean changed, int l, int t, int r, int b) { |
| 836 | final int paddingLeft = getPaddingLeft(); |
| 837 | final int paddingTop = getPaddingTop(); |
| 838 | final int paddingRight = getPaddingRight(); |
| 839 | final int paddingBottom = getPaddingBottom(); |
| 840 | final int width = r - l; |
| 841 | final int height = b - t; |
| 842 | |
| 843 | final int count = getChildCount(); |
| 844 | for (int i = 0; i < count; i++) { |
| 845 | final View child = getChildAt(i); |
| 846 | |
| 847 | if (child.getVisibility() == GONE) continue; |
| 848 | |
| 849 | final LayoutParams lp = (LayoutParams) child.getLayoutParams(); |
| 850 | |
Adam Powell | eee2093 | 2012-10-24 16:26:56 -0700 | [diff] [blame] | 851 | if (lp.childType == LayoutParams.CHILD_TYPE_CHALLENGE) { |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 852 | // Challenge views pin to the bottom, offset by a portion of their height, |
| 853 | // and center horizontally. |
| 854 | final int center = (paddingLeft + width - paddingRight) / 2; |
| 855 | final int childWidth = child.getMeasuredWidth(); |
| 856 | final int childHeight = child.getMeasuredHeight(); |
| 857 | final int left = center - childWidth / 2; |
| 858 | final int layoutBottom = height - paddingBottom - lp.bottomMargin; |
| 859 | // We use the top of the challenge view to position the handle, so |
| 860 | // we never want less than the handle size showing at the bottom. |
Adam Powell | 67625e2 | 2012-10-26 15:12:30 -0700 | [diff] [blame] | 861 | final int bottom = layoutBottom + (int) ((childHeight - mChallengeBottomBound) |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 862 | * (1 - mChallengeOffset)); |
Adam Powell | 67625e2 | 2012-10-26 15:12:30 -0700 | [diff] [blame] | 863 | child.setAlpha(mChallengeOffset / 2 + 0.5f); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 864 | child.layout(left, bottom - childHeight, left + childWidth, bottom); |
| 865 | } else { |
| 866 | // Non-challenge views lay out from the upper left, layered. |
| 867 | child.layout(paddingLeft + lp.leftMargin, |
| 868 | paddingTop + lp.topMargin, |
| 869 | paddingLeft + child.getMeasuredWidth(), |
| 870 | paddingTop + child.getMeasuredHeight()); |
| 871 | } |
| 872 | } |
| 873 | |
| 874 | if (!mHasLayout) { |
Adam Powell | 67625e2 | 2012-10-26 15:12:30 -0700 | [diff] [blame] | 875 | if (mFrameDrawable != null) { |
| 876 | mFrameDrawable.setAlpha(0); |
| 877 | } |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 878 | mHasLayout = true; |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 879 | } |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 880 | } |
| 881 | |
| 882 | public void computeScroll() { |
| 883 | super.computeScroll(); |
| 884 | |
| 885 | if (!mScroller.isFinished()) { |
| 886 | if (mChallengeView == null) { |
| 887 | // Can't scroll if the view is missing. |
| 888 | Log.e(TAG, "Challenge view missing in computeScroll"); |
| 889 | mScroller.abortAnimation(); |
| 890 | return; |
| 891 | } |
| 892 | |
| 893 | mScroller.computeScrollOffset(); |
| 894 | moveChallengeTo(mScroller.getCurrY()); |
| 895 | |
| 896 | if (mScroller.isFinished()) { |
| 897 | post(mEndScrollRunnable); |
| 898 | } |
| 899 | } |
| 900 | } |
| 901 | |
| 902 | @Override |
| 903 | public void draw(Canvas c) { |
| 904 | super.draw(c); |
Daniel Sandler | 1bfcc82 | 2012-10-26 11:25:49 -0400 | [diff] [blame] | 905 | |
| 906 | final Paint debugPaint; |
| 907 | if (DEBUG) { |
| 908 | debugPaint = new Paint(); |
| 909 | debugPaint.setColor(0x40FF00CC); |
| 910 | // show the isInDragHandle() rect |
| 911 | c.drawRect(mDragHandleEdgeSlop, |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 912 | mChallengeView.getTop() - getDragHandleSizeAbove(), |
Daniel Sandler | 1bfcc82 | 2012-10-26 11:25:49 -0400 | [diff] [blame] | 913 | getWidth() - mDragHandleEdgeSlop, |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 914 | mChallengeView.getTop() + getDragHandleSizeBelow(), |
Daniel Sandler | 1bfcc82 | 2012-10-26 11:25:49 -0400 | [diff] [blame] | 915 | debugPaint); |
| 916 | } |
| 917 | |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 918 | if (mChallengeView != null && mHandleAlpha > 0) { |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 919 | final int top = mChallengeView.getTop(); |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 920 | final int handleHeight; |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 921 | final int challengeLeft = mChallengeView.getLeft(); |
| 922 | final int challengeRight = mChallengeView.getRight(); |
Daniel Sandler | c606bf1 | 2012-10-28 00:12:21 -0400 | [diff] [blame] | 923 | if (mHandleDrawable != null) { |
| 924 | handleHeight = mHandleDrawable.getIntrinsicHeight(); |
| 925 | mHandleDrawable.setBounds(challengeLeft, top, challengeRight, top + handleHeight); |
| 926 | mHandleDrawable.setAlpha((int) (mHandleAlpha * 0xFF)); |
| 927 | mHandleDrawable.draw(c); |
| 928 | } else { |
| 929 | handleHeight = 0; |
| 930 | } |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 931 | |
Daniel Sandler | 1bfcc82 | 2012-10-26 11:25:49 -0400 | [diff] [blame] | 932 | if (DEBUG) { |
| 933 | // now show the actual drag handle |
| 934 | debugPaint.setStyle(Paint.Style.STROKE); |
| 935 | debugPaint.setStrokeWidth(1); |
| 936 | debugPaint.setColor(0xFF80FF00); |
| 937 | c.drawRect(challengeLeft, top, challengeRight, top + handleHeight, debugPaint); |
| 938 | } |
| 939 | |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 940 | if (mDragIconDrawable != null) { |
Adam Powell | cfc3086 | 2012-10-29 18:21:31 -0700 | [diff] [blame] | 941 | final int closedTop = getLayoutBottom() - mChallengeBottomBound; |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 942 | final int iconWidth = mDragIconDrawable.getIntrinsicWidth(); |
| 943 | final int iconHeight = mDragIconDrawable.getIntrinsicHeight(); |
| 944 | final int iconLeft = (challengeLeft + challengeRight - iconWidth) / 2; |
Adam Powell | cfc3086 | 2012-10-29 18:21:31 -0700 | [diff] [blame] | 945 | final int iconTop = closedTop + |
| 946 | (mDragHandleClosedBelow - mDragHandleClosedAbove - iconHeight) / 2; |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 947 | mDragIconDrawable.setBounds(iconLeft, iconTop, iconLeft + iconWidth, |
| 948 | iconTop + iconHeight); |
| 949 | mDragIconDrawable.setAlpha((int) (mHandleAlpha * 0xFF)); |
| 950 | mDragIconDrawable.draw(c); |
Daniel Sandler | 1bfcc82 | 2012-10-26 11:25:49 -0400 | [diff] [blame] | 951 | |
| 952 | if (DEBUG) { |
| 953 | debugPaint.setColor(0xFF00FF00); |
| 954 | c.drawRect(iconLeft, iconTop, iconLeft + iconWidth, |
| 955 | iconTop + iconHeight, debugPaint); |
| 956 | } |
Adam Powell | 6f35209 | 2012-10-25 20:49:32 -0700 | [diff] [blame] | 957 | } |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 958 | } |
| 959 | } |
| 960 | |
Adam Cohen | e364313 | 2012-10-28 18:29:17 -0700 | [diff] [blame] | 961 | public int getMaxChallengeTop() { |
| 962 | if (mChallengeView == null) return 0; |
| 963 | |
| 964 | final int layoutBottom = getLayoutBottom(); |
Adam Cohen | 8a7785c | 2012-10-29 22:01:33 -0700 | [diff] [blame] | 965 | final int challengeHeight = mChallengeView.getMeasuredHeight(); |
Adam Cohen | e364313 | 2012-10-28 18:29:17 -0700 | [diff] [blame] | 966 | return layoutBottom - challengeHeight; |
| 967 | } |
| 968 | |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 969 | /** |
| 970 | * Move the bottom edge of mChallengeView to a new position and notify the listener |
| 971 | * if it represents a change in position. Changes made through this method will |
| 972 | * be stable across layout passes. If this method is called before first layout of |
| 973 | * this SlidingChallengeLayout it will have no effect. |
| 974 | * |
| 975 | * @param bottom New bottom edge in px in this SlidingChallengeLayout's coordinate system. |
| 976 | * @return true if the challenge view was moved |
| 977 | */ |
| 978 | private boolean moveChallengeTo(int bottom) { |
| 979 | if (mChallengeView == null || !mHasLayout) { |
| 980 | return false; |
| 981 | } |
| 982 | |
Daniel Sandler | b42b842 | 2012-10-26 12:50:27 -0400 | [diff] [blame] | 983 | final int layoutBottom = getLayoutBottom(); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 984 | final int challengeHeight = mChallengeView.getHeight(); |
| 985 | |
| 986 | bottom = Math.max(layoutBottom, |
Adam Powell | 67625e2 | 2012-10-26 15:12:30 -0700 | [diff] [blame] | 987 | Math.min(bottom, layoutBottom + challengeHeight - mChallengeBottomBound)); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 988 | |
Adam Powell | 67625e2 | 2012-10-26 15:12:30 -0700 | [diff] [blame] | 989 | float offset = 1.f - (float) (bottom - layoutBottom) / |
| 990 | (challengeHeight - mChallengeBottomBound); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 991 | mChallengeOffset = offset; |
| 992 | if (offset > 0 && !mChallengeShowing) { |
| 993 | setChallengeShowing(true); |
| 994 | } |
| 995 | |
| 996 | mChallengeView.layout(mChallengeView.getLeft(), |
| 997 | bottom - mChallengeView.getHeight(), mChallengeView.getRight(), bottom); |
| 998 | |
Adam Powell | 67625e2 | 2012-10-26 15:12:30 -0700 | [diff] [blame] | 999 | mChallengeView.setAlpha(offset / 2 + 0.5f); |
Adam Powell | 0b1b552 | 2012-10-25 13:39:30 -0700 | [diff] [blame] | 1000 | if (mScrollListener != null) { |
| 1001 | mScrollListener.onScrollPositionChanged(offset, mChallengeView.getTop()); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 1002 | } |
| 1003 | postInvalidateOnAnimation(); |
| 1004 | return true; |
| 1005 | } |
| 1006 | |
Daniel Sandler | b42b842 | 2012-10-26 12:50:27 -0400 | [diff] [blame] | 1007 | /** |
| 1008 | * The bottom edge of this SlidingChallengeLayout's coordinate system; will coincide with |
| 1009 | * the bottom edge of mChallengeView when the challenge is fully opened. |
| 1010 | */ |
| 1011 | private int getLayoutBottom() { |
| 1012 | final int bottomMargin = (mChallengeView == null) |
| 1013 | ? 0 |
| 1014 | : ((LayoutParams) mChallengeView.getLayoutParams()).bottomMargin; |
Adam Cohen | 8a7785c | 2012-10-29 22:01:33 -0700 | [diff] [blame] | 1015 | final int layoutBottom = getMeasuredHeight() - getPaddingBottom() - bottomMargin; |
Daniel Sandler | b42b842 | 2012-10-26 12:50:27 -0400 | [diff] [blame] | 1016 | return layoutBottom; |
| 1017 | } |
| 1018 | |
| 1019 | /** |
| 1020 | * The bottom edge of mChallengeView; essentially, where the sliding challenge 'is'. |
| 1021 | */ |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 1022 | private int getChallengeBottom() { |
| 1023 | if (mChallengeView == null) return 0; |
| 1024 | |
| 1025 | return mChallengeView.getBottom(); |
| 1026 | } |
| 1027 | |
Daniel Sandler | b42b842 | 2012-10-26 12:50:27 -0400 | [diff] [blame] | 1028 | /** |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 1029 | * Show or hide the challenge view, animating it if necessary. |
| 1030 | * @param show true to show, false to hide |
| 1031 | */ |
| 1032 | public void showChallenge(boolean show) { |
| 1033 | showChallenge(show, 0); |
Adam Powell | 995270f | 2012-10-26 16:10:43 -0700 | [diff] [blame] | 1034 | if (!show) { |
| 1035 | // Block any drags in progress so that callers can use this to disable dragging |
| 1036 | // for other touch interactions. |
| 1037 | mBlockDrag = true; |
| 1038 | } |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 1039 | } |
| 1040 | |
| 1041 | private void showChallenge(int velocity) { |
| 1042 | boolean show = false; |
| 1043 | if (Math.abs(velocity) > mMinVelocity) { |
| 1044 | show = velocity < 0; |
| 1045 | } else { |
| 1046 | show = mChallengeOffset >= 0.5f; |
| 1047 | } |
| 1048 | showChallenge(show, velocity); |
| 1049 | } |
| 1050 | |
| 1051 | private void showChallenge(boolean show, int velocity) { |
| 1052 | if (mChallengeView == null) { |
| 1053 | setChallengeShowing(false); |
| 1054 | return; |
| 1055 | } |
| 1056 | |
| 1057 | if (mHasLayout) { |
Adam Powell | 67625e2 | 2012-10-26 15:12:30 -0700 | [diff] [blame] | 1058 | final int layoutBottom = getLayoutBottom(); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 1059 | animateChallengeTo(show ? layoutBottom : |
Adam Powell | 67625e2 | 2012-10-26 15:12:30 -0700 | [diff] [blame] | 1060 | layoutBottom + mChallengeView.getHeight() - mChallengeBottomBound, velocity); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 1061 | } |
| 1062 | } |
| 1063 | |
Jim Miller | 19a5267 | 2012-10-23 19:52:04 -0700 | [diff] [blame] | 1064 | @Override |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 1065 | public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) { |
| 1066 | return new LayoutParams(getContext(), attrs); |
| 1067 | } |
| 1068 | |
| 1069 | @Override |
| 1070 | protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { |
| 1071 | return p instanceof LayoutParams ? new LayoutParams((LayoutParams) p) : |
| 1072 | p instanceof MarginLayoutParams ? new LayoutParams((MarginLayoutParams) p) : |
| 1073 | new LayoutParams(p); |
| 1074 | } |
| 1075 | |
| 1076 | @Override |
| 1077 | protected ViewGroup.LayoutParams generateDefaultLayoutParams() { |
| 1078 | return new LayoutParams(); |
| 1079 | } |
| 1080 | |
| 1081 | @Override |
| 1082 | protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { |
| 1083 | return p instanceof LayoutParams; |
| 1084 | } |
| 1085 | |
| 1086 | public static class LayoutParams extends MarginLayoutParams { |
Adam Powell | eee2093 | 2012-10-24 16:26:56 -0700 | [diff] [blame] | 1087 | public int childType = CHILD_TYPE_NONE; |
| 1088 | public static final int CHILD_TYPE_NONE = 0; |
| 1089 | public static final int CHILD_TYPE_CHALLENGE = 2; |
| 1090 | public static final int CHILD_TYPE_SCRIM = 4; |
Adam Powell | cdf8b48 | 2012-10-30 20:56:45 -0700 | [diff] [blame^] | 1091 | public static final int CHILD_TYPE_WIDGETS = 5; |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 1092 | |
| 1093 | public LayoutParams() { |
| 1094 | this(MATCH_PARENT, WRAP_CONTENT); |
| 1095 | } |
| 1096 | |
| 1097 | public LayoutParams(int width, int height) { |
| 1098 | super(width, height); |
| 1099 | } |
| 1100 | |
| 1101 | public LayoutParams(android.view.ViewGroup.LayoutParams source) { |
| 1102 | super(source); |
| 1103 | } |
| 1104 | |
| 1105 | public LayoutParams(MarginLayoutParams source) { |
| 1106 | super(source); |
| 1107 | } |
| 1108 | |
| 1109 | public LayoutParams(LayoutParams source) { |
| 1110 | super(source); |
| 1111 | |
Adam Powell | eee2093 | 2012-10-24 16:26:56 -0700 | [diff] [blame] | 1112 | childType = source.childType; |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 1113 | } |
| 1114 | |
| 1115 | public LayoutParams(Context c, AttributeSet attrs) { |
| 1116 | super(c, attrs); |
| 1117 | |
| 1118 | final TypedArray a = c.obtainStyledAttributes(attrs, |
| 1119 | R.styleable.SlidingChallengeLayout_Layout); |
Adam Powell | eee2093 | 2012-10-24 16:26:56 -0700 | [diff] [blame] | 1120 | childType = a.getInt(R.styleable.SlidingChallengeLayout_Layout_layout_childType, |
| 1121 | CHILD_TYPE_NONE); |
Jim Miller | d6523da | 2012-10-21 16:47:02 -0700 | [diff] [blame] | 1122 | a.recycle(); |
| 1123 | } |
| 1124 | } |
| 1125 | } |