The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006 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 android.widget; |
| 18 | |
Bjorn Bringert | 0f8555b | 2009-11-27 12:42:28 +0000 | [diff] [blame] | 19 | import android.content.ContentResolver; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 20 | import android.content.Context; |
| 21 | import android.content.res.Resources; |
| 22 | import android.content.res.TypedArray; |
| 23 | import android.graphics.Bitmap; |
| 24 | import android.graphics.Canvas; |
| 25 | import android.graphics.ColorFilter; |
| 26 | import android.graphics.Matrix; |
| 27 | import android.graphics.PorterDuff; |
| 28 | import android.graphics.PorterDuffColorFilter; |
| 29 | import android.graphics.RectF; |
Adam Powell | 31049d7 | 2013-10-07 12:58:42 -0700 | [diff] [blame] | 30 | import android.graphics.Xfermode; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 31 | import android.graphics.drawable.BitmapDrawable; |
| 32 | import android.graphics.drawable.Drawable; |
| 33 | import android.net.Uri; |
Adam Powell | 7da4b73 | 2012-12-07 15:28:33 -0800 | [diff] [blame] | 34 | import android.os.Build; |
Svetoslav Ganov | 6179ea3 | 2011-06-28 01:12:41 -0700 | [diff] [blame] | 35 | import android.text.TextUtils; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 36 | import android.util.AttributeSet; |
| 37 | import android.util.Log; |
Jeff Sharkey | 2b95c24 | 2010-02-08 17:40:30 -0800 | [diff] [blame] | 38 | import android.view.RemotableViewMethod; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 39 | import android.view.View; |
Joe Onorato | fd52b18 | 2010-11-10 18:00:52 -0800 | [diff] [blame] | 40 | import android.view.ViewDebug; |
Svetoslav Ganov | 6179ea3 | 2011-06-28 01:12:41 -0700 | [diff] [blame] | 41 | import android.view.accessibility.AccessibilityEvent; |
Svetoslav Ganov | 8a78fd4 | 2012-01-17 14:36:46 -0800 | [diff] [blame] | 42 | import android.view.accessibility.AccessibilityNodeInfo; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 43 | import android.widget.RemoteViews.RemoteView; |
| 44 | |
Romain Guy | 3614394 | 2012-12-03 10:10:22 -0800 | [diff] [blame] | 45 | import java.io.IOException; |
| 46 | import java.io.InputStream; |
| 47 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 48 | /** |
| 49 | * Displays an arbitrary image, such as an icon. The ImageView class |
| 50 | * can load images from various sources (such as resources or content |
| 51 | * providers), takes care of computing its measurement from the image so that |
| 52 | * it can be used in any layout manager, and provides various display options |
| 53 | * such as scaling and tinting. |
| 54 | * |
| 55 | * @attr ref android.R.styleable#ImageView_adjustViewBounds |
| 56 | * @attr ref android.R.styleable#ImageView_src |
| 57 | * @attr ref android.R.styleable#ImageView_maxWidth |
| 58 | * @attr ref android.R.styleable#ImageView_maxHeight |
| 59 | * @attr ref android.R.styleable#ImageView_tint |
| 60 | * @attr ref android.R.styleable#ImageView_scaleType |
| 61 | * @attr ref android.R.styleable#ImageView_cropToPadding |
| 62 | */ |
| 63 | @RemoteView |
| 64 | public class ImageView extends View { |
| 65 | // settable by the client |
| 66 | private Uri mUri; |
| 67 | private int mResource = 0; |
| 68 | private Matrix mMatrix; |
| 69 | private ScaleType mScaleType; |
| 70 | private boolean mHaveFrame = false; |
| 71 | private boolean mAdjustViewBounds = false; |
| 72 | private int mMaxWidth = Integer.MAX_VALUE; |
| 73 | private int mMaxHeight = Integer.MAX_VALUE; |
| 74 | |
| 75 | // these are applied to the drawable |
| 76 | private ColorFilter mColorFilter; |
Adam Powell | 31049d7 | 2013-10-07 12:58:42 -0700 | [diff] [blame] | 77 | private Xfermode mXfermode; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 78 | private int mAlpha = 255; |
| 79 | private int mViewAlphaScale = 256; |
Jeff Sharkey | 2b95c24 | 2010-02-08 17:40:30 -0800 | [diff] [blame] | 80 | private boolean mColorMod = false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 81 | |
| 82 | private Drawable mDrawable = null; |
| 83 | private int[] mState = null; |
| 84 | private boolean mMergeState = false; |
| 85 | private int mLevel = 0; |
| 86 | private int mDrawableWidth; |
| 87 | private int mDrawableHeight; |
| 88 | private Matrix mDrawMatrix = null; |
| 89 | |
| 90 | // Avoid allocations... |
| 91 | private RectF mTempSrc = new RectF(); |
| 92 | private RectF mTempDst = new RectF(); |
| 93 | |
| 94 | private boolean mCropToPadding; |
| 95 | |
Joe Onorato | fd52b18 | 2010-11-10 18:00:52 -0800 | [diff] [blame] | 96 | private int mBaseline = -1; |
| 97 | private boolean mBaselineAlignBottom = false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 98 | |
Adam Powell | 7da4b73 | 2012-12-07 15:28:33 -0800 | [diff] [blame] | 99 | // AdjustViewBounds behavior will be in compatibility mode for older apps. |
| 100 | private boolean mAdjustViewBoundsCompat = false; |
| 101 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 102 | private static final ScaleType[] sScaleTypeArray = { |
| 103 | ScaleType.MATRIX, |
| 104 | ScaleType.FIT_XY, |
| 105 | ScaleType.FIT_START, |
| 106 | ScaleType.FIT_CENTER, |
| 107 | ScaleType.FIT_END, |
| 108 | ScaleType.CENTER, |
| 109 | ScaleType.CENTER_CROP, |
| 110 | ScaleType.CENTER_INSIDE |
| 111 | }; |
| 112 | |
| 113 | public ImageView(Context context) { |
| 114 | super(context); |
| 115 | initImageView(); |
| 116 | } |
Svetoslav Ganov | 4213804 | 2012-03-20 11:51:39 -0700 | [diff] [blame] | 117 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 118 | public ImageView(Context context, AttributeSet attrs) { |
| 119 | this(context, attrs, 0); |
| 120 | } |
Svetoslav Ganov | 4213804 | 2012-03-20 11:51:39 -0700 | [diff] [blame] | 121 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 122 | public ImageView(Context context, AttributeSet attrs, int defStyle) { |
| 123 | super(context, attrs, defStyle); |
| 124 | initImageView(); |
| 125 | |
| 126 | TypedArray a = context.obtainStyledAttributes(attrs, |
| 127 | com.android.internal.R.styleable.ImageView, defStyle, 0); |
| 128 | |
| 129 | Drawable d = a.getDrawable(com.android.internal.R.styleable.ImageView_src); |
| 130 | if (d != null) { |
| 131 | setImageDrawable(d); |
| 132 | } |
| 133 | |
Joe Onorato | fd52b18 | 2010-11-10 18:00:52 -0800 | [diff] [blame] | 134 | mBaselineAlignBottom = a.getBoolean( |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 135 | com.android.internal.R.styleable.ImageView_baselineAlignBottom, false); |
Joe Onorato | fd52b18 | 2010-11-10 18:00:52 -0800 | [diff] [blame] | 136 | |
| 137 | mBaseline = a.getDimensionPixelSize( |
| 138 | com.android.internal.R.styleable.ImageView_baseline, -1); |
| 139 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 140 | setAdjustViewBounds( |
| 141 | a.getBoolean(com.android.internal.R.styleable.ImageView_adjustViewBounds, |
| 142 | false)); |
| 143 | |
| 144 | setMaxWidth(a.getDimensionPixelSize( |
| 145 | com.android.internal.R.styleable.ImageView_maxWidth, Integer.MAX_VALUE)); |
| 146 | |
| 147 | setMaxHeight(a.getDimensionPixelSize( |
| 148 | com.android.internal.R.styleable.ImageView_maxHeight, Integer.MAX_VALUE)); |
| 149 | |
| 150 | int index = a.getInt(com.android.internal.R.styleable.ImageView_scaleType, -1); |
| 151 | if (index >= 0) { |
| 152 | setScaleType(sScaleTypeArray[index]); |
| 153 | } |
| 154 | |
| 155 | int tint = a.getInt(com.android.internal.R.styleable.ImageView_tint, 0); |
| 156 | if (tint != 0) { |
Jeff Sharkey | 2b95c24 | 2010-02-08 17:40:30 -0800 | [diff] [blame] | 157 | setColorFilter(tint); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 158 | } |
| 159 | |
Chet Haase | ba1fe8e | 2011-10-15 07:35:51 -0700 | [diff] [blame] | 160 | int alpha = a.getInt(com.android.internal.R.styleable.ImageView_drawableAlpha, 255); |
| 161 | if (alpha != 255) { |
| 162 | setAlpha(alpha); |
| 163 | } |
| 164 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 165 | mCropToPadding = a.getBoolean( |
| 166 | com.android.internal.R.styleable.ImageView_cropToPadding, false); |
| 167 | |
| 168 | a.recycle(); |
| 169 | |
| 170 | //need inflate syntax/reader for matrix |
| 171 | } |
| 172 | |
| 173 | private void initImageView() { |
| 174 | mMatrix = new Matrix(); |
| 175 | mScaleType = ScaleType.FIT_CENTER; |
Adam Powell | 7da4b73 | 2012-12-07 15:28:33 -0800 | [diff] [blame] | 176 | mAdjustViewBoundsCompat = mContext.getApplicationInfo().targetSdkVersion <= |
| 177 | Build.VERSION_CODES.JELLY_BEAN_MR1; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 178 | } |
| 179 | |
| 180 | @Override |
| 181 | protected boolean verifyDrawable(Drawable dr) { |
| 182 | return mDrawable == dr || super.verifyDrawable(dr); |
| 183 | } |
| 184 | |
| 185 | @Override |
Dianne Hackborn | e213677 | 2010-11-04 15:08:59 -0700 | [diff] [blame] | 186 | public void jumpDrawablesToCurrentState() { |
| 187 | super.jumpDrawablesToCurrentState(); |
| 188 | if (mDrawable != null) mDrawable.jumpToCurrentState(); |
| 189 | } |
| 190 | |
| 191 | @Override |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 192 | public void invalidateDrawable(Drawable dr) { |
| 193 | if (dr == mDrawable) { |
| 194 | /* we invalidate the whole view in this case because it's very |
| 195 | * hard to know where the drawable actually is. This is made |
| 196 | * complicated because of the offsets and transformations that |
| 197 | * can be applied. In theory we could get the drawable's bounds |
| 198 | * and run them through the transformation and offsets, but this |
| 199 | * is probably not worth the effort. |
| 200 | */ |
| 201 | invalidate(); |
| 202 | } else { |
| 203 | super.invalidateDrawable(dr); |
| 204 | } |
| 205 | } |
Joe Onorato | fd52b18 | 2010-11-10 18:00:52 -0800 | [diff] [blame] | 206 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 207 | @Override |
Chet Haase | db8c9a6 | 2012-03-21 18:54:18 -0700 | [diff] [blame] | 208 | public boolean hasOverlappingRendering() { |
Michael Jurka | 0931a85 | 2013-03-21 16:07:45 +0100 | [diff] [blame] | 209 | return (getBackground() != null && getBackground().getCurrent() != null); |
Chet Haase | db8c9a6 | 2012-03-21 18:54:18 -0700 | [diff] [blame] | 210 | } |
| 211 | |
| 212 | @Override |
Svetoslav Ganov | 6179ea3 | 2011-06-28 01:12:41 -0700 | [diff] [blame] | 213 | public void onPopulateAccessibilityEvent(AccessibilityEvent event) { |
Svetoslav Ganov | 031d9c1 | 2011-09-09 16:41:13 -0700 | [diff] [blame] | 214 | super.onPopulateAccessibilityEvent(event); |
Svetoslav Ganov | 6179ea3 | 2011-06-28 01:12:41 -0700 | [diff] [blame] | 215 | CharSequence contentDescription = getContentDescription(); |
| 216 | if (!TextUtils.isEmpty(contentDescription)) { |
| 217 | event.getText().add(contentDescription); |
| 218 | } |
| 219 | } |
| 220 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 221 | /** |
Philip Milne | aac722a | 2012-03-26 13:30:26 -0700 | [diff] [blame] | 222 | * True when ImageView is adjusting its bounds |
| 223 | * to preserve the aspect ratio of its drawable |
| 224 | * |
| 225 | * @return whether to adjust the bounds of this view |
| 226 | * to presrve the original aspect ratio of the drawable |
| 227 | * |
| 228 | * @see #setAdjustViewBounds(boolean) |
| 229 | * |
| 230 | * @attr ref android.R.styleable#ImageView_adjustViewBounds |
| 231 | */ |
| 232 | public boolean getAdjustViewBounds() { |
| 233 | return mAdjustViewBounds; |
| 234 | } |
| 235 | |
| 236 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 237 | * Set this to true if you want the ImageView to adjust its bounds |
| 238 | * to preserve the aspect ratio of its drawable. |
Adam Powell | 2c8cc97 | 2012-12-07 18:04:51 -0800 | [diff] [blame] | 239 | * |
| 240 | * <p><strong>Note:</strong> If the application targets API level 17 or lower, |
| 241 | * adjustViewBounds will allow the drawable to shrink the view bounds, but not grow |
| 242 | * to fill available measured space in all cases. This is for compatibility with |
| 243 | * legacy {@link android.view.View.MeasureSpec MeasureSpec} and |
| 244 | * {@link android.widget.RelativeLayout RelativeLayout} behavior.</p> |
| 245 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 246 | * @param adjustViewBounds Whether to adjust the bounds of this view |
Adam Powell | 2c8cc97 | 2012-12-07 18:04:51 -0800 | [diff] [blame] | 247 | * to preserve the original aspect ratio of the drawable. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 248 | * |
Philip Milne | aac722a | 2012-03-26 13:30:26 -0700 | [diff] [blame] | 249 | * @see #getAdjustViewBounds() |
| 250 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 251 | * @attr ref android.R.styleable#ImageView_adjustViewBounds |
| 252 | */ |
| 253 | @android.view.RemotableViewMethod |
| 254 | public void setAdjustViewBounds(boolean adjustViewBounds) { |
| 255 | mAdjustViewBounds = adjustViewBounds; |
| 256 | if (adjustViewBounds) { |
| 257 | setScaleType(ScaleType.FIT_CENTER); |
| 258 | } |
| 259 | } |
Philip Milne | aac722a | 2012-03-26 13:30:26 -0700 | [diff] [blame] | 260 | |
| 261 | /** |
| 262 | * The maximum width of this view. |
| 263 | * |
| 264 | * @return The maximum width of this view |
| 265 | * |
| 266 | * @see #setMaxWidth(int) |
| 267 | * |
| 268 | * @attr ref android.R.styleable#ImageView_maxWidth |
| 269 | */ |
| 270 | public int getMaxWidth() { |
| 271 | return mMaxWidth; |
| 272 | } |
| 273 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 274 | /** |
| 275 | * An optional argument to supply a maximum width for this view. Only valid if |
Romain Guy | 9fc2781 | 2011-04-27 14:21:41 -0700 | [diff] [blame] | 276 | * {@link #setAdjustViewBounds(boolean)} has been set to true. To set an image to be a maximum |
| 277 | * of 100 x 100 while preserving the original aspect ratio, do the following: 1) set |
| 278 | * adjustViewBounds to true 2) set maxWidth and maxHeight to 100 3) set the height and width |
| 279 | * layout params to WRAP_CONTENT. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 280 | * |
| 281 | * <p> |
| 282 | * Note that this view could be still smaller than 100 x 100 using this approach if the original |
| 283 | * image is small. To set an image to a fixed size, specify that size in the layout params and |
Romain Guy | 9fc2781 | 2011-04-27 14:21:41 -0700 | [diff] [blame] | 284 | * then use {@link #setScaleType(android.widget.ImageView.ScaleType)} to determine how to fit |
| 285 | * the image within the bounds. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 286 | * </p> |
| 287 | * |
| 288 | * @param maxWidth maximum width for this view |
Philip Milne | aac722a | 2012-03-26 13:30:26 -0700 | [diff] [blame] | 289 | * |
| 290 | * @see #getMaxWidth() |
| 291 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 292 | * @attr ref android.R.styleable#ImageView_maxWidth |
| 293 | */ |
| 294 | @android.view.RemotableViewMethod |
| 295 | public void setMaxWidth(int maxWidth) { |
| 296 | mMaxWidth = maxWidth; |
| 297 | } |
Philip Milne | aac722a | 2012-03-26 13:30:26 -0700 | [diff] [blame] | 298 | |
| 299 | /** |
| 300 | * The maximum height of this view. |
| 301 | * |
| 302 | * @return The maximum height of this view |
| 303 | * |
| 304 | * @see #setMaxHeight(int) |
| 305 | * |
| 306 | * @attr ref android.R.styleable#ImageView_maxHeight |
| 307 | */ |
| 308 | public int getMaxHeight() { |
| 309 | return mMaxHeight; |
| 310 | } |
| 311 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 312 | /** |
| 313 | * An optional argument to supply a maximum height for this view. Only valid if |
Romain Guy | 9fc2781 | 2011-04-27 14:21:41 -0700 | [diff] [blame] | 314 | * {@link #setAdjustViewBounds(boolean)} has been set to true. To set an image to be a |
| 315 | * maximum of 100 x 100 while preserving the original aspect ratio, do the following: 1) set |
| 316 | * adjustViewBounds to true 2) set maxWidth and maxHeight to 100 3) set the height and width |
| 317 | * layout params to WRAP_CONTENT. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 318 | * |
| 319 | * <p> |
| 320 | * Note that this view could be still smaller than 100 x 100 using this approach if the original |
| 321 | * image is small. To set an image to a fixed size, specify that size in the layout params and |
Romain Guy | 9fc2781 | 2011-04-27 14:21:41 -0700 | [diff] [blame] | 322 | * then use {@link #setScaleType(android.widget.ImageView.ScaleType)} to determine how to fit |
| 323 | * the image within the bounds. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 324 | * </p> |
| 325 | * |
| 326 | * @param maxHeight maximum height for this view |
Philip Milne | aac722a | 2012-03-26 13:30:26 -0700 | [diff] [blame] | 327 | * |
| 328 | * @see #getMaxHeight() |
| 329 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 330 | * @attr ref android.R.styleable#ImageView_maxHeight |
| 331 | */ |
| 332 | @android.view.RemotableViewMethod |
| 333 | public void setMaxHeight(int maxHeight) { |
| 334 | mMaxHeight = maxHeight; |
| 335 | } |
| 336 | |
| 337 | /** Return the view's drawable, or null if no drawable has been |
| 338 | assigned. |
| 339 | */ |
| 340 | public Drawable getDrawable() { |
| 341 | return mDrawable; |
| 342 | } |
| 343 | |
| 344 | /** |
| 345 | * Sets a drawable as the content of this ImageView. |
Brad Fitzpatrick | c6b0b77 | 2010-08-27 11:43:56 -0700 | [diff] [blame] | 346 | * |
| 347 | * <p class="note">This does Bitmap reading and decoding on the UI |
| 348 | * thread, which can cause a latency hiccup. If that's a concern, |
Romain Guy | 9fc2781 | 2011-04-27 14:21:41 -0700 | [diff] [blame] | 349 | * consider using {@link #setImageDrawable(android.graphics.drawable.Drawable)} or |
| 350 | * {@link #setImageBitmap(android.graphics.Bitmap)} and |
Brad Fitzpatrick | c6b0b77 | 2010-08-27 11:43:56 -0700 | [diff] [blame] | 351 | * {@link android.graphics.BitmapFactory} instead.</p> |
| 352 | * |
Chet Haase | 430742f | 2013-04-12 11:18:36 -0700 | [diff] [blame] | 353 | * @param resId the resource identifier of the drawable |
Brad Fitzpatrick | c6b0b77 | 2010-08-27 11:43:56 -0700 | [diff] [blame] | 354 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 355 | * @attr ref android.R.styleable#ImageView_src |
| 356 | */ |
| 357 | @android.view.RemotableViewMethod |
| 358 | public void setImageResource(int resId) { |
| 359 | if (mUri != null || mResource != resId) { |
| 360 | updateDrawable(null); |
| 361 | mResource = resId; |
| 362 | mUri = null; |
Adam Powell | f96ce02 | 2012-08-09 15:08:33 -0700 | [diff] [blame] | 363 | |
| 364 | final int oldWidth = mDrawableWidth; |
| 365 | final int oldHeight = mDrawableHeight; |
| 366 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 367 | resolveUri(); |
Adam Powell | f96ce02 | 2012-08-09 15:08:33 -0700 | [diff] [blame] | 368 | |
| 369 | if (oldWidth != mDrawableWidth || oldHeight != mDrawableHeight) { |
| 370 | requestLayout(); |
| 371 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 372 | invalidate(); |
| 373 | } |
| 374 | } |
| 375 | |
| 376 | /** |
| 377 | * Sets the content of this ImageView to the specified Uri. |
Brad Fitzpatrick | c6b0b77 | 2010-08-27 11:43:56 -0700 | [diff] [blame] | 378 | * |
| 379 | * <p class="note">This does Bitmap reading and decoding on the UI |
| 380 | * thread, which can cause a latency hiccup. If that's a concern, |
Romain Guy | 9fc2781 | 2011-04-27 14:21:41 -0700 | [diff] [blame] | 381 | * consider using {@link #setImageDrawable(android.graphics.drawable.Drawable)} or |
| 382 | * {@link #setImageBitmap(android.graphics.Bitmap)} and |
Brad Fitzpatrick | c6b0b77 | 2010-08-27 11:43:56 -0700 | [diff] [blame] | 383 | * {@link android.graphics.BitmapFactory} instead.</p> |
| 384 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 385 | * @param uri The Uri of an image |
| 386 | */ |
| 387 | @android.view.RemotableViewMethod |
| 388 | public void setImageURI(Uri uri) { |
| 389 | if (mResource != 0 || |
| 390 | (mUri != uri && |
| 391 | (uri == null || mUri == null || !uri.equals(mUri)))) { |
| 392 | updateDrawable(null); |
| 393 | mResource = 0; |
| 394 | mUri = uri; |
Adam Powell | f96ce02 | 2012-08-09 15:08:33 -0700 | [diff] [blame] | 395 | |
| 396 | final int oldWidth = mDrawableWidth; |
| 397 | final int oldHeight = mDrawableHeight; |
| 398 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 399 | resolveUri(); |
Adam Powell | f96ce02 | 2012-08-09 15:08:33 -0700 | [diff] [blame] | 400 | |
| 401 | if (oldWidth != mDrawableWidth || oldHeight != mDrawableHeight) { |
| 402 | requestLayout(); |
| 403 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 404 | invalidate(); |
| 405 | } |
| 406 | } |
| 407 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 408 | /** |
| 409 | * Sets a drawable as the content of this ImageView. |
| 410 | * |
| 411 | * @param drawable The drawable to set |
| 412 | */ |
| 413 | public void setImageDrawable(Drawable drawable) { |
| 414 | if (mDrawable != drawable) { |
| 415 | mResource = 0; |
| 416 | mUri = null; |
Romain Guy | 9e648c4 | 2011-08-17 20:04:27 -0700 | [diff] [blame] | 417 | |
Adam Powell | f96ce02 | 2012-08-09 15:08:33 -0700 | [diff] [blame] | 418 | final int oldWidth = mDrawableWidth; |
| 419 | final int oldHeight = mDrawableHeight; |
Romain Guy | 9e648c4 | 2011-08-17 20:04:27 -0700 | [diff] [blame] | 420 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 421 | updateDrawable(drawable); |
Adam Powell | 2a0e99d | 2011-08-04 10:55:03 -0700 | [diff] [blame] | 422 | |
Romain Guy | 9e648c4 | 2011-08-17 20:04:27 -0700 | [diff] [blame] | 423 | if (oldWidth != mDrawableWidth || oldHeight != mDrawableHeight) { |
Adam Powell | 2a0e99d | 2011-08-04 10:55:03 -0700 | [diff] [blame] | 424 | requestLayout(); |
| 425 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 426 | invalidate(); |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | /** |
| 431 | * Sets a Bitmap as the content of this ImageView. |
| 432 | * |
| 433 | * @param bm The bitmap to set |
| 434 | */ |
| 435 | @android.view.RemotableViewMethod |
| 436 | public void setImageBitmap(Bitmap bm) { |
| 437 | // if this is used frequently, may handle bitmaps explicitly |
| 438 | // to reduce the intermediate drawable object |
Dianne Hackborn | 11ea334 | 2009-07-22 21:48:55 -0700 | [diff] [blame] | 439 | setImageDrawable(new BitmapDrawable(mContext.getResources(), bm)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 440 | } |
| 441 | |
| 442 | public void setImageState(int[] state, boolean merge) { |
| 443 | mState = state; |
| 444 | mMergeState = merge; |
| 445 | if (mDrawable != null) { |
| 446 | refreshDrawableState(); |
| 447 | resizeFromDrawable(); |
| 448 | } |
| 449 | } |
| 450 | |
| 451 | @Override |
| 452 | public void setSelected(boolean selected) { |
| 453 | super.setSelected(selected); |
| 454 | resizeFromDrawable(); |
| 455 | } |
| 456 | |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 457 | /** |
| 458 | * Sets the image level, when it is constructed from a |
| 459 | * {@link android.graphics.drawable.LevelListDrawable}. |
| 460 | * |
| 461 | * @param level The new level for the image. |
| 462 | */ |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 463 | @android.view.RemotableViewMethod |
| 464 | public void setImageLevel(int level) { |
| 465 | mLevel = level; |
| 466 | if (mDrawable != null) { |
| 467 | mDrawable.setLevel(level); |
| 468 | resizeFromDrawable(); |
| 469 | } |
| 470 | } |
| 471 | |
| 472 | /** |
| 473 | * Options for scaling the bounds of an image to the bounds of this view. |
| 474 | */ |
| 475 | public enum ScaleType { |
| 476 | /** |
| 477 | * Scale using the image matrix when drawing. The image matrix can be set using |
| 478 | * {@link ImageView#setImageMatrix(Matrix)}. From XML, use this syntax: |
| 479 | * <code>android:scaleType="matrix"</code>. |
| 480 | */ |
| 481 | MATRIX (0), |
| 482 | /** |
| 483 | * Scale the image using {@link Matrix.ScaleToFit#FILL}. |
| 484 | * From XML, use this syntax: <code>android:scaleType="fitXY"</code>. |
| 485 | */ |
| 486 | FIT_XY (1), |
| 487 | /** |
| 488 | * Scale the image using {@link Matrix.ScaleToFit#START}. |
| 489 | * From XML, use this syntax: <code>android:scaleType="fitStart"</code>. |
| 490 | */ |
| 491 | FIT_START (2), |
| 492 | /** |
| 493 | * Scale the image using {@link Matrix.ScaleToFit#CENTER}. |
| 494 | * From XML, use this syntax: |
| 495 | * <code>android:scaleType="fitCenter"</code>. |
| 496 | */ |
| 497 | FIT_CENTER (3), |
| 498 | /** |
| 499 | * Scale the image using {@link Matrix.ScaleToFit#END}. |
| 500 | * From XML, use this syntax: <code>android:scaleType="fitEnd"</code>. |
| 501 | */ |
| 502 | FIT_END (4), |
| 503 | /** |
| 504 | * Center the image in the view, but perform no scaling. |
| 505 | * From XML, use this syntax: <code>android:scaleType="center"</code>. |
| 506 | */ |
| 507 | CENTER (5), |
| 508 | /** |
| 509 | * Scale the image uniformly (maintain the image's aspect ratio) so |
| 510 | * that both dimensions (width and height) of the image will be equal |
| 511 | * to or larger than the corresponding dimension of the view |
| 512 | * (minus padding). The image is then centered in the view. |
| 513 | * From XML, use this syntax: <code>android:scaleType="centerCrop"</code>. |
| 514 | */ |
| 515 | CENTER_CROP (6), |
| 516 | /** |
| 517 | * Scale the image uniformly (maintain the image's aspect ratio) so |
| 518 | * that both dimensions (width and height) of the image will be equal |
| 519 | * to or less than the corresponding dimension of the view |
| 520 | * (minus padding). The image is then centered in the view. |
| 521 | * From XML, use this syntax: <code>android:scaleType="centerInside"</code>. |
| 522 | */ |
| 523 | CENTER_INSIDE (7); |
| 524 | |
| 525 | ScaleType(int ni) { |
| 526 | nativeInt = ni; |
| 527 | } |
| 528 | final int nativeInt; |
| 529 | } |
| 530 | |
| 531 | /** |
| 532 | * Controls how the image should be resized or moved to match the size |
| 533 | * of this ImageView. |
| 534 | * |
| 535 | * @param scaleType The desired scaling mode. |
| 536 | * |
| 537 | * @attr ref android.R.styleable#ImageView_scaleType |
| 538 | */ |
| 539 | public void setScaleType(ScaleType scaleType) { |
| 540 | if (scaleType == null) { |
| 541 | throw new NullPointerException(); |
| 542 | } |
| 543 | |
| 544 | if (mScaleType != scaleType) { |
| 545 | mScaleType = scaleType; |
| 546 | |
| 547 | setWillNotCacheDrawing(mScaleType == ScaleType.CENTER); |
| 548 | |
| 549 | requestLayout(); |
| 550 | invalidate(); |
| 551 | } |
| 552 | } |
| 553 | |
| 554 | /** |
| 555 | * Return the current scale type in use by this ImageView. |
| 556 | * |
| 557 | * @see ImageView.ScaleType |
| 558 | * |
| 559 | * @attr ref android.R.styleable#ImageView_scaleType |
| 560 | */ |
| 561 | public ScaleType getScaleType() { |
| 562 | return mScaleType; |
| 563 | } |
| 564 | |
| 565 | /** Return the view's optional matrix. This is applied to the |
| 566 | view's drawable when it is drawn. If there is not matrix, |
Romain Guy | 5370405 | 2013-01-30 16:25:50 -0800 | [diff] [blame] | 567 | this method will return an identity matrix. |
| 568 | Do not change this matrix in place but make a copy. |
| 569 | If you want a different matrix applied to the drawable, |
| 570 | be sure to call setImageMatrix(). |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 571 | */ |
| 572 | public Matrix getImageMatrix() { |
Dake Gu | 1ee6017 | 2013-01-03 15:11:43 -0800 | [diff] [blame] | 573 | if (mDrawMatrix == null) { |
Romain Guy | 5370405 | 2013-01-30 16:25:50 -0800 | [diff] [blame] | 574 | return new Matrix(Matrix.IDENTITY_MATRIX); |
Dake Gu | 1ee6017 | 2013-01-03 15:11:43 -0800 | [diff] [blame] | 575 | } |
| 576 | return mDrawMatrix; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 577 | } |
| 578 | |
| 579 | public void setImageMatrix(Matrix matrix) { |
| 580 | // collaps null and identity to just null |
| 581 | if (matrix != null && matrix.isIdentity()) { |
| 582 | matrix = null; |
| 583 | } |
| 584 | |
| 585 | // don't invalidate unless we're actually changing our matrix |
| 586 | if (matrix == null && !mMatrix.isIdentity() || |
| 587 | matrix != null && !mMatrix.equals(matrix)) { |
| 588 | mMatrix.set(matrix); |
Chih-Chung Chang | f888726 | 2009-07-30 15:36:13 +0800 | [diff] [blame] | 589 | configureBounds(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 590 | invalidate(); |
| 591 | } |
| 592 | } |
Philip Milne | aac722a | 2012-03-26 13:30:26 -0700 | [diff] [blame] | 593 | |
| 594 | /** |
| 595 | * Return whether this ImageView crops to padding. |
| 596 | * |
| 597 | * @return whether this ImageView crops to padding |
| 598 | * |
| 599 | * @see #setCropToPadding(boolean) |
| 600 | * |
| 601 | * @attr ref android.R.styleable#ImageView_cropToPadding |
| 602 | */ |
| 603 | public boolean getCropToPadding() { |
| 604 | return mCropToPadding; |
| 605 | } |
| 606 | |
| 607 | /** |
| 608 | * Sets whether this ImageView will crop to padding. |
| 609 | * |
| 610 | * @param cropToPadding whether this ImageView will crop to padding |
| 611 | * |
| 612 | * @see #getCropToPadding() |
| 613 | * |
| 614 | * @attr ref android.R.styleable#ImageView_cropToPadding |
| 615 | */ |
| 616 | public void setCropToPadding(boolean cropToPadding) { |
| 617 | if (mCropToPadding != cropToPadding) { |
| 618 | mCropToPadding = cropToPadding; |
| 619 | requestLayout(); |
| 620 | invalidate(); |
| 621 | } |
| 622 | } |
| 623 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 624 | private void resolveUri() { |
| 625 | if (mDrawable != null) { |
| 626 | return; |
| 627 | } |
| 628 | |
| 629 | Resources rsrc = getResources(); |
| 630 | if (rsrc == null) { |
| 631 | return; |
| 632 | } |
| 633 | |
| 634 | Drawable d = null; |
| 635 | |
| 636 | if (mResource != 0) { |
| 637 | try { |
| 638 | d = rsrc.getDrawable(mResource); |
| 639 | } catch (Exception e) { |
| 640 | Log.w("ImageView", "Unable to find resource: " + mResource, e); |
| 641 | // Don't try again. |
| 642 | mUri = null; |
| 643 | } |
| 644 | } else if (mUri != null) { |
Bjorn Bringert | 0f8555b | 2009-11-27 12:42:28 +0000 | [diff] [blame] | 645 | String scheme = mUri.getScheme(); |
Bjorn Bringert | 9d8d9c2 | 2010-01-06 22:52:41 +0000 | [diff] [blame] | 646 | if (ContentResolver.SCHEME_ANDROID_RESOURCE.equals(scheme)) { |
| 647 | try { |
| 648 | // Load drawable through Resources, to get the source density information |
| 649 | ContentResolver.OpenResourceIdResult r = |
| 650 | mContext.getContentResolver().getResourceId(mUri); |
| 651 | d = r.r.getDrawable(r.id); |
| 652 | } catch (Exception e) { |
| 653 | Log.w("ImageView", "Unable to open content: " + mUri, e); |
| 654 | } |
| 655 | } else if (ContentResolver.SCHEME_CONTENT.equals(scheme) |
Bjorn Bringert | 0f8555b | 2009-11-27 12:42:28 +0000 | [diff] [blame] | 656 | || ContentResolver.SCHEME_FILE.equals(scheme)) { |
Romain Guy | 3614394 | 2012-12-03 10:10:22 -0800 | [diff] [blame] | 657 | InputStream stream = null; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 658 | try { |
Romain Guy | 3614394 | 2012-12-03 10:10:22 -0800 | [diff] [blame] | 659 | stream = mContext.getContentResolver().openInputStream(mUri); |
| 660 | d = Drawable.createFromStream(stream, null); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 661 | } catch (Exception e) { |
| 662 | Log.w("ImageView", "Unable to open content: " + mUri, e); |
Romain Guy | 3614394 | 2012-12-03 10:10:22 -0800 | [diff] [blame] | 663 | } finally { |
| 664 | if (stream != null) { |
| 665 | try { |
| 666 | stream.close(); |
| 667 | } catch (IOException e) { |
| 668 | Log.w("ImageView", "Unable to close content: " + mUri, e); |
| 669 | } |
| 670 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 671 | } |
Romain Guy | 3614394 | 2012-12-03 10:10:22 -0800 | [diff] [blame] | 672 | } else { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 673 | d = Drawable.createFromPath(mUri.toString()); |
| 674 | } |
| 675 | |
| 676 | if (d == null) { |
Romain Guy | 3614394 | 2012-12-03 10:10:22 -0800 | [diff] [blame] | 677 | System.out.println("resolveUri failed on bad bitmap uri: " + mUri); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 678 | // Don't try again. |
| 679 | mUri = null; |
| 680 | } |
| 681 | } else { |
| 682 | return; |
| 683 | } |
| 684 | |
| 685 | updateDrawable(d); |
| 686 | } |
| 687 | |
| 688 | @Override |
| 689 | public int[] onCreateDrawableState(int extraSpace) { |
| 690 | if (mState == null) { |
| 691 | return super.onCreateDrawableState(extraSpace); |
| 692 | } else if (!mMergeState) { |
| 693 | return mState; |
| 694 | } else { |
| 695 | return mergeDrawableStates( |
| 696 | super.onCreateDrawableState(extraSpace + mState.length), mState); |
| 697 | } |
| 698 | } |
| 699 | |
| 700 | private void updateDrawable(Drawable d) { |
| 701 | if (mDrawable != null) { |
| 702 | mDrawable.setCallback(null); |
| 703 | unscheduleDrawable(mDrawable); |
| 704 | } |
| 705 | mDrawable = d; |
| 706 | if (d != null) { |
| 707 | d.setCallback(this); |
| 708 | if (d.isStateful()) { |
| 709 | d.setState(getDrawableState()); |
| 710 | } |
| 711 | d.setLevel(mLevel); |
Fabrice Di Meglio | e56ffdc | 2012-09-23 14:51:16 -0700 | [diff] [blame] | 712 | d.setLayoutDirection(getLayoutDirection()); |
Jeff Brown | e2126ba | 2013-11-08 13:55:55 -0800 | [diff] [blame] | 713 | d.setVisible(getVisibility() == VISIBLE, true); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 714 | mDrawableWidth = d.getIntrinsicWidth(); |
| 715 | mDrawableHeight = d.getIntrinsicHeight(); |
| 716 | applyColorMod(); |
| 717 | configureBounds(); |
Romain Guy | 9e648c4 | 2011-08-17 20:04:27 -0700 | [diff] [blame] | 718 | } else { |
| 719 | mDrawableWidth = mDrawableHeight = -1; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 720 | } |
| 721 | } |
| 722 | |
| 723 | private void resizeFromDrawable() { |
| 724 | Drawable d = mDrawable; |
| 725 | if (d != null) { |
| 726 | int w = d.getIntrinsicWidth(); |
| 727 | if (w < 0) w = mDrawableWidth; |
| 728 | int h = d.getIntrinsicHeight(); |
| 729 | if (h < 0) h = mDrawableHeight; |
| 730 | if (w != mDrawableWidth || h != mDrawableHeight) { |
| 731 | mDrawableWidth = w; |
| 732 | mDrawableHeight = h; |
| 733 | requestLayout(); |
| 734 | } |
| 735 | } |
| 736 | } |
| 737 | |
Fabrice Di Meglio | 3f5a90b | 2013-06-24 19:22:25 -0700 | [diff] [blame] | 738 | @Override |
| 739 | public void onRtlPropertiesChanged(int layoutDirection) { |
| 740 | super.onRtlPropertiesChanged(layoutDirection); |
| 741 | |
| 742 | if (mDrawable != null) { |
| 743 | mDrawable.setLayoutDirection(layoutDirection); |
| 744 | } |
| 745 | } |
| 746 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 747 | private static final Matrix.ScaleToFit[] sS2FArray = { |
| 748 | Matrix.ScaleToFit.FILL, |
| 749 | Matrix.ScaleToFit.START, |
| 750 | Matrix.ScaleToFit.CENTER, |
| 751 | Matrix.ScaleToFit.END |
| 752 | }; |
| 753 | |
| 754 | private static Matrix.ScaleToFit scaleTypeToScaleToFit(ScaleType st) { |
| 755 | // ScaleToFit enum to their corresponding Matrix.ScaleToFit values |
| 756 | return sS2FArray[st.nativeInt - 1]; |
| 757 | } |
| 758 | |
| 759 | @Override |
| 760 | protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| 761 | resolveUri(); |
| 762 | int w; |
| 763 | int h; |
| 764 | |
| 765 | // Desired aspect ratio of the view's contents (not including padding) |
| 766 | float desiredAspect = 0.0f; |
| 767 | |
| 768 | // We are allowed to change the view's width |
| 769 | boolean resizeWidth = false; |
| 770 | |
| 771 | // We are allowed to change the view's height |
| 772 | boolean resizeHeight = false; |
| 773 | |
Adam Powell | 2a0e99d | 2011-08-04 10:55:03 -0700 | [diff] [blame] | 774 | final int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); |
| 775 | final int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); |
| 776 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 777 | if (mDrawable == null) { |
| 778 | // If no drawable, its intrinsic size is 0. |
| 779 | mDrawableWidth = -1; |
| 780 | mDrawableHeight = -1; |
| 781 | w = h = 0; |
| 782 | } else { |
| 783 | w = mDrawableWidth; |
| 784 | h = mDrawableHeight; |
| 785 | if (w <= 0) w = 1; |
| 786 | if (h <= 0) h = 1; |
Romain Guy | 9e648c4 | 2011-08-17 20:04:27 -0700 | [diff] [blame] | 787 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 788 | // We are supposed to adjust view bounds to match the aspect |
| 789 | // ratio of our drawable. See if that is possible. |
| 790 | if (mAdjustViewBounds) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 791 | resizeWidth = widthSpecMode != MeasureSpec.EXACTLY; |
| 792 | resizeHeight = heightSpecMode != MeasureSpec.EXACTLY; |
| 793 | |
Romain Guy | 9e648c4 | 2011-08-17 20:04:27 -0700 | [diff] [blame] | 794 | desiredAspect = (float) w / (float) h; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 795 | } |
| 796 | } |
| 797 | |
| 798 | int pleft = mPaddingLeft; |
| 799 | int pright = mPaddingRight; |
| 800 | int ptop = mPaddingTop; |
| 801 | int pbottom = mPaddingBottom; |
| 802 | |
| 803 | int widthSize; |
| 804 | int heightSize; |
| 805 | |
| 806 | if (resizeWidth || resizeHeight) { |
| 807 | /* If we get here, it means we want to resize to match the |
| 808 | drawables aspect ratio, and we have the freedom to change at |
| 809 | least one dimension. |
| 810 | */ |
| 811 | |
| 812 | // Get the max possible width given our constraints |
Romain Guy | 9e648c4 | 2011-08-17 20:04:27 -0700 | [diff] [blame] | 813 | widthSize = resolveAdjustedSize(w + pleft + pright, mMaxWidth, widthMeasureSpec); |
| 814 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 815 | // Get the max possible height given our constraints |
Romain Guy | 9e648c4 | 2011-08-17 20:04:27 -0700 | [diff] [blame] | 816 | heightSize = resolveAdjustedSize(h + ptop + pbottom, mMaxHeight, heightMeasureSpec); |
| 817 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 818 | if (desiredAspect != 0.0f) { |
| 819 | // See what our actual aspect ratio is |
| 820 | float actualAspect = (float)(widthSize - pleft - pright) / |
| 821 | (heightSize - ptop - pbottom); |
| 822 | |
| 823 | if (Math.abs(actualAspect - desiredAspect) > 0.0000001) { |
| 824 | |
| 825 | boolean done = false; |
| 826 | |
| 827 | // Try adjusting width to be proportional to height |
| 828 | if (resizeWidth) { |
Romain Guy | 9e648c4 | 2011-08-17 20:04:27 -0700 | [diff] [blame] | 829 | int newWidth = (int)(desiredAspect * (heightSize - ptop - pbottom)) + |
| 830 | pleft + pright; |
Adam Powell | d5edc77 | 2012-09-26 15:21:39 -0700 | [diff] [blame] | 831 | |
| 832 | // Allow the width to outgrow its original estimate if height is fixed. |
Adam Powell | 7da4b73 | 2012-12-07 15:28:33 -0800 | [diff] [blame] | 833 | if (!resizeHeight && !mAdjustViewBoundsCompat) { |
Adam Powell | d5edc77 | 2012-09-26 15:21:39 -0700 | [diff] [blame] | 834 | widthSize = resolveAdjustedSize(newWidth, mMaxWidth, widthMeasureSpec); |
| 835 | } |
| 836 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 837 | if (newWidth <= widthSize) { |
| 838 | widthSize = newWidth; |
| 839 | done = true; |
| 840 | } |
| 841 | } |
| 842 | |
| 843 | // Try adjusting height to be proportional to width |
| 844 | if (!done && resizeHeight) { |
Romain Guy | 9e648c4 | 2011-08-17 20:04:27 -0700 | [diff] [blame] | 845 | int newHeight = (int)((widthSize - pleft - pright) / desiredAspect) + |
| 846 | ptop + pbottom; |
Adam Powell | d5edc77 | 2012-09-26 15:21:39 -0700 | [diff] [blame] | 847 | |
| 848 | // Allow the height to outgrow its original estimate if width is fixed. |
Adam Powell | 7da4b73 | 2012-12-07 15:28:33 -0800 | [diff] [blame] | 849 | if (!resizeWidth && !mAdjustViewBoundsCompat) { |
Adam Powell | d5edc77 | 2012-09-26 15:21:39 -0700 | [diff] [blame] | 850 | heightSize = resolveAdjustedSize(newHeight, mMaxHeight, |
| 851 | heightMeasureSpec); |
| 852 | } |
| 853 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 854 | if (newHeight <= heightSize) { |
| 855 | heightSize = newHeight; |
Dianne Hackborn | 189ee18 | 2010-12-02 21:48:53 -0800 | [diff] [blame] | 856 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 857 | } |
| 858 | } |
| 859 | } |
| 860 | } else { |
| 861 | /* We are either don't want to preserve the drawables aspect ratio, |
| 862 | or we are not allowed to change view dimensions. Just measure in |
| 863 | the normal way. |
| 864 | */ |
| 865 | w += pleft + pright; |
| 866 | h += ptop + pbottom; |
| 867 | |
| 868 | w = Math.max(w, getSuggestedMinimumWidth()); |
| 869 | h = Math.max(h, getSuggestedMinimumHeight()); |
| 870 | |
Dianne Hackborn | 189ee18 | 2010-12-02 21:48:53 -0800 | [diff] [blame] | 871 | widthSize = resolveSizeAndState(w, widthMeasureSpec, 0); |
| 872 | heightSize = resolveSizeAndState(h, heightMeasureSpec, 0); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 873 | } |
| 874 | |
| 875 | setMeasuredDimension(widthSize, heightSize); |
| 876 | } |
| 877 | |
| 878 | private int resolveAdjustedSize(int desiredSize, int maxSize, |
| 879 | int measureSpec) { |
| 880 | int result = desiredSize; |
| 881 | int specMode = MeasureSpec.getMode(measureSpec); |
| 882 | int specSize = MeasureSpec.getSize(measureSpec); |
| 883 | switch (specMode) { |
| 884 | case MeasureSpec.UNSPECIFIED: |
| 885 | /* Parent says we can be as big as we want. Just don't be larger |
| 886 | than max size imposed on ourselves. |
| 887 | */ |
| 888 | result = Math.min(desiredSize, maxSize); |
| 889 | break; |
| 890 | case MeasureSpec.AT_MOST: |
| 891 | // Parent says we can be as big as we want, up to specSize. |
| 892 | // Don't be larger than specSize, and don't be larger than |
| 893 | // the max size imposed on ourselves. |
| 894 | result = Math.min(Math.min(desiredSize, specSize), maxSize); |
| 895 | break; |
| 896 | case MeasureSpec.EXACTLY: |
| 897 | // No choice. Do what we are told. |
| 898 | result = specSize; |
| 899 | break; |
| 900 | } |
| 901 | return result; |
| 902 | } |
| 903 | |
| 904 | @Override |
| 905 | protected boolean setFrame(int l, int t, int r, int b) { |
| 906 | boolean changed = super.setFrame(l, t, r, b); |
| 907 | mHaveFrame = true; |
| 908 | configureBounds(); |
| 909 | return changed; |
| 910 | } |
| 911 | |
| 912 | private void configureBounds() { |
| 913 | if (mDrawable == null || !mHaveFrame) { |
| 914 | return; |
| 915 | } |
| 916 | |
| 917 | int dwidth = mDrawableWidth; |
| 918 | int dheight = mDrawableHeight; |
| 919 | |
| 920 | int vwidth = getWidth() - mPaddingLeft - mPaddingRight; |
| 921 | int vheight = getHeight() - mPaddingTop - mPaddingBottom; |
| 922 | |
| 923 | boolean fits = (dwidth < 0 || vwidth == dwidth) && |
| 924 | (dheight < 0 || vheight == dheight); |
| 925 | |
| 926 | if (dwidth <= 0 || dheight <= 0 || ScaleType.FIT_XY == mScaleType) { |
| 927 | /* If the drawable has no intrinsic size, or we're told to |
| 928 | scaletofit, then we just fill our entire view. |
| 929 | */ |
| 930 | mDrawable.setBounds(0, 0, vwidth, vheight); |
| 931 | mDrawMatrix = null; |
| 932 | } else { |
| 933 | // We need to do the scaling ourself, so have the drawable |
| 934 | // use its native size. |
| 935 | mDrawable.setBounds(0, 0, dwidth, dheight); |
| 936 | |
| 937 | if (ScaleType.MATRIX == mScaleType) { |
| 938 | // Use the specified matrix as-is. |
| 939 | if (mMatrix.isIdentity()) { |
| 940 | mDrawMatrix = null; |
| 941 | } else { |
| 942 | mDrawMatrix = mMatrix; |
| 943 | } |
| 944 | } else if (fits) { |
| 945 | // The bitmap fits exactly, no transform needed. |
| 946 | mDrawMatrix = null; |
| 947 | } else if (ScaleType.CENTER == mScaleType) { |
| 948 | // Center bitmap in view, no scaling. |
| 949 | mDrawMatrix = mMatrix; |
Romain Guy | b493820 | 2010-03-15 17:53:37 -0700 | [diff] [blame] | 950 | mDrawMatrix.setTranslate((int) ((vwidth - dwidth) * 0.5f + 0.5f), |
| 951 | (int) ((vheight - dheight) * 0.5f + 0.5f)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 952 | } else if (ScaleType.CENTER_CROP == mScaleType) { |
| 953 | mDrawMatrix = mMatrix; |
| 954 | |
| 955 | float scale; |
| 956 | float dx = 0, dy = 0; |
| 957 | |
| 958 | if (dwidth * vheight > vwidth * dheight) { |
| 959 | scale = (float) vheight / (float) dheight; |
| 960 | dx = (vwidth - dwidth * scale) * 0.5f; |
| 961 | } else { |
| 962 | scale = (float) vwidth / (float) dwidth; |
| 963 | dy = (vheight - dheight * scale) * 0.5f; |
| 964 | } |
| 965 | |
| 966 | mDrawMatrix.setScale(scale, scale); |
Romain Guy | b493820 | 2010-03-15 17:53:37 -0700 | [diff] [blame] | 967 | mDrawMatrix.postTranslate((int) (dx + 0.5f), (int) (dy + 0.5f)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 968 | } else if (ScaleType.CENTER_INSIDE == mScaleType) { |
| 969 | mDrawMatrix = mMatrix; |
| 970 | float scale; |
| 971 | float dx; |
| 972 | float dy; |
| 973 | |
| 974 | if (dwidth <= vwidth && dheight <= vheight) { |
| 975 | scale = 1.0f; |
| 976 | } else { |
Romain Guy | 9e648c4 | 2011-08-17 20:04:27 -0700 | [diff] [blame] | 977 | scale = Math.min((float) vwidth / (float) dwidth, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 978 | (float) vheight / (float) dheight); |
| 979 | } |
| 980 | |
Romain Guy | b493820 | 2010-03-15 17:53:37 -0700 | [diff] [blame] | 981 | dx = (int) ((vwidth - dwidth * scale) * 0.5f + 0.5f); |
| 982 | dy = (int) ((vheight - dheight * scale) * 0.5f + 0.5f); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 983 | |
| 984 | mDrawMatrix.setScale(scale, scale); |
| 985 | mDrawMatrix.postTranslate(dx, dy); |
| 986 | } else { |
| 987 | // Generate the required transform. |
| 988 | mTempSrc.set(0, 0, dwidth, dheight); |
| 989 | mTempDst.set(0, 0, vwidth, vheight); |
| 990 | |
| 991 | mDrawMatrix = mMatrix; |
Romain Guy | 9e648c4 | 2011-08-17 20:04:27 -0700 | [diff] [blame] | 992 | mDrawMatrix.setRectToRect(mTempSrc, mTempDst, scaleTypeToScaleToFit(mScaleType)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 993 | } |
| 994 | } |
| 995 | } |
| 996 | |
| 997 | @Override |
| 998 | protected void drawableStateChanged() { |
| 999 | super.drawableStateChanged(); |
| 1000 | Drawable d = mDrawable; |
| 1001 | if (d != null && d.isStateful()) { |
| 1002 | d.setState(getDrawableState()); |
| 1003 | } |
| 1004 | } |
| 1005 | |
| 1006 | @Override |
| 1007 | protected void onDraw(Canvas canvas) { |
| 1008 | super.onDraw(canvas); |
| 1009 | |
| 1010 | if (mDrawable == null) { |
| 1011 | return; // couldn't resolve the URI |
| 1012 | } |
| 1013 | |
| 1014 | if (mDrawableWidth == 0 || mDrawableHeight == 0) { |
| 1015 | return; // nothing to draw (empty bounds) |
| 1016 | } |
| 1017 | |
| 1018 | if (mDrawMatrix == null && mPaddingTop == 0 && mPaddingLeft == 0) { |
| 1019 | mDrawable.draw(canvas); |
| 1020 | } else { |
| 1021 | int saveCount = canvas.getSaveCount(); |
| 1022 | canvas.save(); |
| 1023 | |
| 1024 | if (mCropToPadding) { |
| 1025 | final int scrollX = mScrollX; |
| 1026 | final int scrollY = mScrollY; |
| 1027 | canvas.clipRect(scrollX + mPaddingLeft, scrollY + mPaddingTop, |
| 1028 | scrollX + mRight - mLeft - mPaddingRight, |
| 1029 | scrollY + mBottom - mTop - mPaddingBottom); |
| 1030 | } |
| 1031 | |
| 1032 | canvas.translate(mPaddingLeft, mPaddingTop); |
| 1033 | |
| 1034 | if (mDrawMatrix != null) { |
| 1035 | canvas.concat(mDrawMatrix); |
| 1036 | } |
| 1037 | mDrawable.draw(canvas); |
| 1038 | canvas.restoreToCount(saveCount); |
| 1039 | } |
| 1040 | } |
| 1041 | |
Joe Onorato | fd52b18 | 2010-11-10 18:00:52 -0800 | [diff] [blame] | 1042 | /** |
| 1043 | * <p>Return the offset of the widget's text baseline from the widget's top |
| 1044 | * boundary. </p> |
| 1045 | * |
| 1046 | * @return the offset of the baseline within the widget's bounds or -1 |
| 1047 | * if baseline alignment is not supported. |
| 1048 | */ |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1049 | @Override |
Joe Onorato | fd52b18 | 2010-11-10 18:00:52 -0800 | [diff] [blame] | 1050 | @ViewDebug.ExportedProperty(category = "layout") |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1051 | public int getBaseline() { |
Joe Onorato | fd52b18 | 2010-11-10 18:00:52 -0800 | [diff] [blame] | 1052 | if (mBaselineAlignBottom) { |
| 1053 | return getMeasuredHeight(); |
| 1054 | } else { |
| 1055 | return mBaseline; |
| 1056 | } |
| 1057 | } |
| 1058 | |
| 1059 | /** |
| 1060 | * <p>Set the offset of the widget's text baseline from the widget's top |
Romain Guy | 9fc2781 | 2011-04-27 14:21:41 -0700 | [diff] [blame] | 1061 | * boundary. This value is overridden by the {@link #setBaselineAlignBottom(boolean)} |
Joe Onorato | fd52b18 | 2010-11-10 18:00:52 -0800 | [diff] [blame] | 1062 | * property.</p> |
| 1063 | * |
| 1064 | * @param baseline The baseline to use, or -1 if none is to be provided. |
| 1065 | * |
Romain Guy | 9fc2781 | 2011-04-27 14:21:41 -0700 | [diff] [blame] | 1066 | * @see #setBaseline(int) |
Joe Onorato | fd52b18 | 2010-11-10 18:00:52 -0800 | [diff] [blame] | 1067 | * @attr ref android.R.styleable#ImageView_baseline |
| 1068 | */ |
| 1069 | public void setBaseline(int baseline) { |
| 1070 | if (mBaseline != baseline) { |
| 1071 | mBaseline = baseline; |
| 1072 | requestLayout(); |
| 1073 | } |
| 1074 | } |
| 1075 | |
| 1076 | /** |
| 1077 | * Set whether to set the baseline of this view to the bottom of the view. |
| 1078 | * Setting this value overrides any calls to setBaseline. |
| 1079 | * |
| 1080 | * @param aligned If true, the image view will be baseline aligned with |
| 1081 | * based on its bottom edge. |
| 1082 | * |
| 1083 | * @attr ref android.R.styleable#ImageView_baselineAlignBottom |
| 1084 | */ |
| 1085 | public void setBaselineAlignBottom(boolean aligned) { |
| 1086 | if (mBaselineAlignBottom != aligned) { |
| 1087 | mBaselineAlignBottom = aligned; |
| 1088 | requestLayout(); |
| 1089 | } |
| 1090 | } |
| 1091 | |
| 1092 | /** |
| 1093 | * Return whether this view's baseline will be considered the bottom of the view. |
| 1094 | * |
| 1095 | * @see #setBaselineAlignBottom(boolean) |
| 1096 | */ |
| 1097 | public boolean getBaselineAlignBottom() { |
| 1098 | return mBaselineAlignBottom; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1099 | } |
svetoslavganov | 75986cf | 2009-05-14 22:28:01 -0700 | [diff] [blame] | 1100 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1101 | /** |
| 1102 | * Set a tinting option for the image. |
| 1103 | * |
| 1104 | * @param color Color tint to apply. |
| 1105 | * @param mode How to apply the color. The standard mode is |
| 1106 | * {@link PorterDuff.Mode#SRC_ATOP} |
| 1107 | * |
| 1108 | * @attr ref android.R.styleable#ImageView_tint |
| 1109 | */ |
| 1110 | public final void setColorFilter(int color, PorterDuff.Mode mode) { |
| 1111 | setColorFilter(new PorterDuffColorFilter(color, mode)); |
| 1112 | } |
| 1113 | |
Jeff Sharkey | 2b95c24 | 2010-02-08 17:40:30 -0800 | [diff] [blame] | 1114 | /** |
| 1115 | * Set a tinting option for the image. Assumes |
| 1116 | * {@link PorterDuff.Mode#SRC_ATOP} blending mode. |
| 1117 | * |
| 1118 | * @param color Color tint to apply. |
| 1119 | * @attr ref android.R.styleable#ImageView_tint |
| 1120 | */ |
| 1121 | @RemotableViewMethod |
| 1122 | public final void setColorFilter(int color) { |
| 1123 | setColorFilter(color, PorterDuff.Mode.SRC_ATOP); |
| 1124 | } |
| 1125 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1126 | public final void clearColorFilter() { |
| 1127 | setColorFilter(null); |
| 1128 | } |
Philip Milne | aac722a | 2012-03-26 13:30:26 -0700 | [diff] [blame] | 1129 | |
| 1130 | /** |
Adam Powell | 31049d7 | 2013-10-07 12:58:42 -0700 | [diff] [blame] | 1131 | * @hide Candidate for future API inclusion |
| 1132 | */ |
| 1133 | public final void setXfermode(Xfermode mode) { |
| 1134 | if (mXfermode != mode) { |
| 1135 | mXfermode = mode; |
| 1136 | mColorMod = true; |
| 1137 | applyColorMod(); |
| 1138 | invalidate(); |
| 1139 | } |
| 1140 | } |
| 1141 | |
| 1142 | /** |
Philip Milne | aac722a | 2012-03-26 13:30:26 -0700 | [diff] [blame] | 1143 | * Returns the active color filter for this ImageView. |
| 1144 | * |
| 1145 | * @return the active color filter for this ImageView |
| 1146 | * |
| 1147 | * @see #setColorFilter(android.graphics.ColorFilter) |
| 1148 | */ |
| 1149 | public ColorFilter getColorFilter() { |
| 1150 | return mColorFilter; |
| 1151 | } |
| 1152 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1153 | /** |
| 1154 | * Apply an arbitrary colorfilter to the image. |
| 1155 | * |
| 1156 | * @param cf the colorfilter to apply (may be null) |
Philip Milne | aac722a | 2012-03-26 13:30:26 -0700 | [diff] [blame] | 1157 | * |
| 1158 | * @see #getColorFilter() |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1159 | */ |
| 1160 | public void setColorFilter(ColorFilter cf) { |
| 1161 | if (mColorFilter != cf) { |
| 1162 | mColorFilter = cf; |
Jeff Sharkey | 2b95c24 | 2010-02-08 17:40:30 -0800 | [diff] [blame] | 1163 | mColorMod = true; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1164 | applyColorMod(); |
| 1165 | invalidate(); |
| 1166 | } |
| 1167 | } |
svetoslavganov | 75986cf | 2009-05-14 22:28:01 -0700 | [diff] [blame] | 1168 | |
Philip Milne | aac722a | 2012-03-26 13:30:26 -0700 | [diff] [blame] | 1169 | /** |
| 1170 | * Returns the alpha that will be applied to the drawable of this ImageView. |
| 1171 | * |
| 1172 | * @return the alpha that will be applied to the drawable of this ImageView |
| 1173 | * |
| 1174 | * @see #setImageAlpha(int) |
| 1175 | */ |
| 1176 | public int getImageAlpha() { |
| 1177 | return mAlpha; |
| 1178 | } |
| 1179 | |
| 1180 | /** |
| 1181 | * Sets the alpha value that should be applied to the image. |
| 1182 | * |
| 1183 | * @param alpha the alpha value that should be applied to the image |
| 1184 | * |
| 1185 | * @see #getImageAlpha() |
| 1186 | */ |
| 1187 | @RemotableViewMethod |
| 1188 | public void setImageAlpha(int alpha) { |
| 1189 | setAlpha(alpha); |
| 1190 | } |
| 1191 | |
| 1192 | /** |
| 1193 | * Sets the alpha value that should be applied to the image. |
| 1194 | * |
| 1195 | * @param alpha the alpha value that should be applied to the image |
| 1196 | * |
| 1197 | * @deprecated use #setImageAlpha(int) instead |
| 1198 | */ |
| 1199 | @Deprecated |
Jeff Sharkey | 2b95c24 | 2010-02-08 17:40:30 -0800 | [diff] [blame] | 1200 | @RemotableViewMethod |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1201 | public void setAlpha(int alpha) { |
| 1202 | alpha &= 0xFF; // keep it legal |
| 1203 | if (mAlpha != alpha) { |
| 1204 | mAlpha = alpha; |
Jeff Sharkey | 2b95c24 | 2010-02-08 17:40:30 -0800 | [diff] [blame] | 1205 | mColorMod = true; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1206 | applyColorMod(); |
| 1207 | invalidate(); |
| 1208 | } |
| 1209 | } |
| 1210 | |
| 1211 | private void applyColorMod() { |
Jeff Sharkey | 2b95c24 | 2010-02-08 17:40:30 -0800 | [diff] [blame] | 1212 | // Only mutate and apply when modifications have occurred. This should |
| 1213 | // not reset the mColorMod flag, since these filters need to be |
| 1214 | // re-applied if the Drawable is changed. |
| 1215 | if (mDrawable != null && mColorMod) { |
| 1216 | mDrawable = mDrawable.mutate(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1217 | mDrawable.setColorFilter(mColorFilter); |
Adam Powell | 31049d7 | 2013-10-07 12:58:42 -0700 | [diff] [blame] | 1218 | mDrawable.setXfermode(mXfermode); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1219 | mDrawable.setAlpha(mAlpha * mViewAlphaScale >> 8); |
| 1220 | } |
| 1221 | } |
Adam Powell | 37419d7 | 2011-11-10 11:32:09 -0800 | [diff] [blame] | 1222 | |
Adam Powell | b241b4c | 2011-11-10 19:48:23 -0800 | [diff] [blame] | 1223 | @RemotableViewMethod |
Adam Powell | 37419d7 | 2011-11-10 11:32:09 -0800 | [diff] [blame] | 1224 | @Override |
| 1225 | public void setVisibility(int visibility) { |
| 1226 | super.setVisibility(visibility); |
| 1227 | if (mDrawable != null) { |
| 1228 | mDrawable.setVisible(visibility == VISIBLE, false); |
| 1229 | } |
| 1230 | } |
| 1231 | |
| 1232 | @Override |
Adam Powell | 6a939ae | 2011-11-10 14:11:51 -0800 | [diff] [blame] | 1233 | protected void onAttachedToWindow() { |
Adam Powell | 37419d7 | 2011-11-10 11:32:09 -0800 | [diff] [blame] | 1234 | super.onAttachedToWindow(); |
| 1235 | if (mDrawable != null) { |
| 1236 | mDrawable.setVisible(getVisibility() == VISIBLE, false); |
| 1237 | } |
| 1238 | } |
| 1239 | |
| 1240 | @Override |
Adam Powell | 6a939ae | 2011-11-10 14:11:51 -0800 | [diff] [blame] | 1241 | protected void onDetachedFromWindow() { |
Adam Powell | 37419d7 | 2011-11-10 11:32:09 -0800 | [diff] [blame] | 1242 | super.onDetachedFromWindow(); |
| 1243 | if (mDrawable != null) { |
| 1244 | mDrawable.setVisible(false, false); |
| 1245 | } |
| 1246 | } |
Svetoslav Ganov | 8a78fd4 | 2012-01-17 14:36:46 -0800 | [diff] [blame] | 1247 | |
| 1248 | @Override |
| 1249 | public void onInitializeAccessibilityEvent(AccessibilityEvent event) { |
| 1250 | super.onInitializeAccessibilityEvent(event); |
| 1251 | event.setClassName(ImageView.class.getName()); |
| 1252 | } |
| 1253 | |
| 1254 | @Override |
| 1255 | public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { |
| 1256 | super.onInitializeAccessibilityNodeInfo(info); |
| 1257 | info.setClassName(ImageView.class.getName()); |
| 1258 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1259 | } |