| 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | package org.chromium.content.browser; |
| 6 | |
| 7 | import android.app.Activity; |
| 8 | import android.content.Context; |
| 9 | import android.content.res.Configuration; |
| 10 | import android.graphics.Bitmap; |
| 11 | import android.graphics.Canvas; |
| 12 | import android.graphics.Rect; |
| 13 | import android.os.Build; |
| 14 | import android.util.AttributeSet; |
| 15 | import android.view.KeyEvent; |
| 16 | import android.view.MotionEvent; |
| 17 | import android.view.View; |
| 18 | import android.view.accessibility.AccessibilityEvent; |
| 19 | import android.view.accessibility.AccessibilityNodeInfo; |
| 20 | import android.view.inputmethod.EditorInfo; |
| 21 | import android.view.inputmethod.InputConnection; |
| 22 | import android.widget.FrameLayout; |
| 23 | |
| 24 | import com.google.common.annotations.VisibleForTesting; |
| 25 | |
| 26 | import org.chromium.content.common.TraceEvent; |
| 27 | import org.chromium.ui.WindowAndroid; |
| 28 | |
| 29 | /** |
| 30 | * The containing view for {@link ContentViewCore} that exists in the Android UI hierarchy and |
| 31 | * exposes the various {@link View} functionality to it. |
| 32 | * |
| 33 | * TODO(joth): Remove any methods overrides from this class that were added for WebView |
| 34 | * compatibility. |
| 35 | */ |
| 36 | public class ContentView extends FrameLayout |
| 37 | implements ContentViewCore.InternalAccessDelegate, PageInfo { |
| 38 | |
| 39 | private final ContentViewCore mContentViewCore; |
| 40 | |
| 41 | private float mCurrentTouchOffsetX; |
| 42 | private float mCurrentTouchOffsetY; |
| 43 | |
| 44 | /** |
| 45 | * Creates an instance of a ContentView. |
| 46 | * @param context The Context the view is running in, through which it can |
| 47 | * access the current theme, resources, etc. |
| 48 | * @param nativeWebContents A pointer to the native web contents. |
| 49 | * @param windowAndroid An instance of the WindowAndroid. |
| 50 | * @return A ContentView instance. |
| 51 | */ |
| 52 | public static ContentView newInstance(Context context, int nativeWebContents, |
| 53 | WindowAndroid windowAndroid) { |
| 54 | return newInstance(context, nativeWebContents, windowAndroid, null, |
| 55 | android.R.attr.webViewStyle); |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Creates an instance of a ContentView. |
| 60 | * @param context The Context the view is running in, through which it can |
| 61 | * access the current theme, resources, etc. |
| 62 | * @param nativeWebContents A pointer to the native web contents. |
| 63 | * @param windowAndroid An instance of the WindowAndroid. |
| 64 | * @param attrs The attributes of the XML tag that is inflating the view. |
| 65 | * @return A ContentView instance. |
| 66 | */ |
| 67 | public static ContentView newInstance(Context context, int nativeWebContents, |
| 68 | WindowAndroid windowAndroid, AttributeSet attrs) { |
| 69 | // TODO(klobag): use the WebViewStyle as the default style for now. It enables scrollbar. |
| 70 | // When ContentView is moved to framework, we can define its own style in the res. |
| 71 | return newInstance(context, nativeWebContents, windowAndroid, attrs, |
| 72 | android.R.attr.webViewStyle); |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Creates an instance of a ContentView. |
| 77 | * @param context The Context the view is running in, through which it can |
| 78 | * access the current theme, resources, etc. |
| 79 | * @param nativeWebContents A pointer to the native web contents. |
| 80 | * @param windowAndroid An instance of the WindowAndroid. |
| 81 | * @param attrs The attributes of the XML tag that is inflating the view. |
| 82 | * @param defStyle The default style to apply to this view. |
| 83 | * @return A ContentView instance. |
| 84 | */ |
| 85 | public static ContentView newInstance(Context context, int nativeWebContents, |
| 86 | WindowAndroid windowAndroid, AttributeSet attrs, int defStyle) { |
| 87 | if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) { |
| 88 | return new ContentView(context, nativeWebContents, windowAndroid, attrs, defStyle); |
| 89 | } else { |
| 90 | return new JellyBeanContentView(context, nativeWebContents, windowAndroid, attrs, |
| 91 | defStyle); |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | protected ContentView(Context context, int nativeWebContents, WindowAndroid windowAndroid, |
| 96 | AttributeSet attrs, int defStyle) { |
| 97 | super(context, attrs, defStyle); |
| 98 | |
| 99 | if (getScrollBarStyle() == View.SCROLLBARS_INSIDE_OVERLAY) { |
| 100 | setHorizontalScrollBarEnabled(false); |
| 101 | setVerticalScrollBarEnabled(false); |
| 102 | } |
| 103 | |
| 104 | setFocusable(true); |
| 105 | setFocusableInTouchMode(true); |
| 106 | |
| 107 | mContentViewCore = new ContentViewCore(context); |
| 108 | mContentViewCore.initialize(this, this, nativeWebContents, windowAndroid, |
| 109 | Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN ? |
| 110 | ContentViewCore.INPUT_EVENTS_DELIVERED_AT_VSYNC : |
| 111 | ContentViewCore.INPUT_EVENTS_DELIVERED_IMMEDIATELY); |
| 112 | } |
| 113 | |
| 114 | // PageInfo implementation. |
| 115 | |
| 116 | @Override |
| 117 | public String getUrl() { |
| 118 | return mContentViewCore.getUrl(); |
| 119 | } |
| 120 | |
| 121 | @Override |
| 122 | public String getTitle() { |
| 123 | return mContentViewCore.getTitle(); |
| 124 | } |
| 125 | |
| 126 | @Override |
| 127 | public boolean isReadyForSnapshot() { |
| 128 | return !isCrashed() && isReady(); |
| 129 | } |
| 130 | |
| 131 | @Override |
| 132 | public Bitmap getBitmap() { |
| 133 | return getBitmap(getWidth(), getHeight()); |
| 134 | } |
| 135 | |
| 136 | @Override |
| 137 | public Bitmap getBitmap(int width, int height) { |
| 138 | return mContentViewCore.getBitmap(width, height); |
| 139 | } |
| 140 | |
| 141 | @Override |
| 142 | public int getBackgroundColor() { |
| 143 | return mContentViewCore.getBackgroundColor(); |
| 144 | } |
| 145 | |
| 146 | @Override |
| 147 | public View getView() { |
| 148 | return this; |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * @return The core component of the ContentView that handles JNI communication. Should only be |
| 153 | * used for passing to native. |
| 154 | */ |
| 155 | public ContentViewCore getContentViewCore() { |
| 156 | return mContentViewCore; |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * @return The cache of scales and positions used to convert coordinates from/to CSS. |
| 161 | */ |
| 162 | public RenderCoordinates getRenderCoordinates() { |
| 163 | return mContentViewCore.getRenderCoordinates(); |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * Returns true if the given Activity has hardware acceleration enabled |
| 168 | * in its manifest, or in its foreground window. |
| 169 | * |
| 170 | * TODO(husky): Remove when ContentViewCore.initialize() is refactored (see TODO there) |
| 171 | * TODO(dtrainor) This is still used by other classes. Make sure to pull some version of this |
| 172 | * out before removing it. |
| 173 | */ |
| 174 | public static boolean hasHardwareAcceleration(Activity activity) { |
| 175 | return ContentViewCore.hasHardwareAcceleration(activity); |
| 176 | } |
| 177 | |
| 178 | /** |
| 179 | * Destroy the internal state of the WebView. This method may only be called |
| 180 | * after the WebView has been removed from the view system. No other methods |
| 181 | * may be called on this WebView after this method has been called. |
| 182 | */ |
| 183 | public void destroy() { |
| 184 | mContentViewCore.destroy(); |
| 185 | } |
| 186 | |
| 187 | /** |
| 188 | * Returns true initially, false after destroy() has been called. |
| 189 | * It is illegal to call any other public method after destroy(). |
| 190 | */ |
| 191 | public boolean isAlive() { |
| 192 | return mContentViewCore.isAlive(); |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * For internal use. Throws IllegalStateException if mNativeContentView is 0. |
| 197 | * Use this to ensure we get a useful Java stack trace, rather than a native |
| 198 | * crash dump, from use-after-destroy bugs in Java code. |
| 199 | */ |
| 200 | void checkIsAlive() throws IllegalStateException { |
| 201 | mContentViewCore.checkIsAlive(); |
| 202 | } |
| 203 | |
| 204 | public void setContentViewClient(ContentViewClient client) { |
| 205 | mContentViewCore.setContentViewClient(client); |
| 206 | } |
| 207 | |
| 208 | @VisibleForTesting |
| 209 | public ContentViewClient getContentViewClient() { |
| 210 | return mContentViewCore.getContentViewClient(); |
| 211 | } |
| 212 | |
| 213 | /** |
| 214 | * Load url without fixing up the url string. Consumers of ContentView are responsible for |
| 215 | * ensuring the URL passed in is properly formatted (i.e. the scheme has been added if left |
| 216 | * off during user input). |
| 217 | * |
| 218 | * @param params Parameters for this load. |
| 219 | */ |
| 220 | public void loadUrl(LoadUrlParams params) { |
| 221 | mContentViewCore.loadUrl(params); |
| 222 | } |
| 223 | |
| 224 | /** |
| 225 | * Stops loading the current web contents. |
| 226 | */ |
| 227 | public void stopLoading() { |
| 228 | mContentViewCore.stopLoading(); |
| 229 | } |
| 230 | |
| 231 | /** |
| 232 | * @return Whether the current WebContents has a previous navigation entry. |
| 233 | */ |
| 234 | public boolean canGoBack() { |
| 235 | return mContentViewCore.canGoBack(); |
| 236 | } |
| 237 | |
| 238 | /** |
| 239 | * @return Whether the current WebContents has a navigation entry after the current one. |
| 240 | */ |
| 241 | public boolean canGoForward() { |
| 242 | return mContentViewCore.canGoForward(); |
| 243 | } |
| 244 | |
| 245 | /** |
| 246 | * @param offset The offset into the navigation history. |
| 247 | * @return Whether we can move in history by given offset |
| 248 | */ |
| 249 | public boolean canGoToOffset(int offset) { |
| 250 | return mContentViewCore.canGoToOffset(offset); |
| 251 | } |
| 252 | |
| 253 | /** |
| 254 | * Navigates to the specified offset from the "current entry". Does nothing if the offset is out |
| 255 | * of bounds. |
| 256 | * @param offset The offset into the navigation history. |
| 257 | */ |
| 258 | public void goToOffset(int offset) { |
| 259 | mContentViewCore.goToOffset(offset); |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * Goes to the navigation entry before the current one. |
| 264 | */ |
| 265 | public void goBack() { |
| 266 | mContentViewCore.goBack(); |
| 267 | } |
| 268 | |
| 269 | /** |
| 270 | * Goes to the navigation entry following the current one. |
| 271 | */ |
| 272 | public void goForward() { |
| 273 | mContentViewCore.goForward(); |
| 274 | } |
| 275 | |
| 276 | /** |
| 277 | * Reload the current page. |
| 278 | */ |
| 279 | public void reload() { |
| 280 | mContentViewCore.reload(); |
| 281 | } |
| 282 | |
| 283 | /** |
| 284 | * Clears the WebView's page history in both the backwards and forwards |
| 285 | * directions. |
| 286 | */ |
| 287 | public void clearHistory() { |
| 288 | mContentViewCore.clearHistory(); |
| 289 | } |
| 290 | |
| 291 | /** |
| 292 | * Start profiling the update speed. You must call {@link #stopFpsProfiling} |
| 293 | * to stop profiling. |
| 294 | */ |
| 295 | @VisibleForTesting |
| 296 | public void startFpsProfiling() { |
| 297 | // TODO(nileshagrawal): Implement this. |
| 298 | } |
| 299 | |
| 300 | /** |
| 301 | * Stop profiling the update speed. |
| 302 | */ |
| 303 | @VisibleForTesting |
| 304 | public float stopFpsProfiling() { |
| 305 | // TODO(nileshagrawal): Implement this. |
| 306 | return 0.0f; |
| 307 | } |
| 308 | |
| 309 | /** |
| 310 | * Fling the ContentView from the current position. |
| 311 | * @param x Fling touch starting position |
| 312 | * @param y Fling touch starting position |
| 313 | * @param velocityX Initial velocity of the fling (X) measured in pixels per second. |
| 314 | * @param velocityY Initial velocity of the fling (Y) measured in pixels per second. |
| 315 | */ |
| 316 | @VisibleForTesting |
| 317 | public void fling(long timeMs, int x, int y, int velocityX, int velocityY) { |
| 318 | mContentViewCore.getContentViewGestureHandler().fling(timeMs, x, y, velocityX, velocityY); |
| 319 | } |
| 320 | |
| 321 | /** |
| 322 | * Start pinch zoom. You must call {@link #pinchEnd} to stop. |
| 323 | */ |
| 324 | @VisibleForTesting |
| 325 | public void pinchBegin(long timeMs, int x, int y) { |
| 326 | mContentViewCore.getContentViewGestureHandler().pinchBegin(timeMs, x, y); |
| 327 | } |
| 328 | |
| 329 | /** |
| 330 | * Stop pinch zoom. |
| 331 | */ |
| 332 | @VisibleForTesting |
| 333 | public void pinchEnd(long timeMs) { |
| 334 | mContentViewCore.getContentViewGestureHandler().pinchEnd(timeMs); |
| 335 | } |
| 336 | |
| 337 | void setIgnoreSingleTap(boolean value) { |
| 338 | mContentViewCore.getContentViewGestureHandler().setIgnoreSingleTap(value); |
| 339 | } |
| 340 | |
| 341 | /** @see ContentViewGestureHandler#setIgnoreRemainingTouchEvents */ |
| 342 | public void setIgnoreRemainingTouchEvents() { |
| 343 | mContentViewCore.getContentViewGestureHandler().setIgnoreRemainingTouchEvents(); |
| 344 | } |
| 345 | |
| 346 | /** |
| 347 | * Modify the ContentView magnification level. The effect of calling this |
| 348 | * method is exactly as after "pinch zoom". |
| 349 | * |
| 350 | * @param timeMs The event time in milliseconds. |
| 351 | * @param delta The ratio of the new magnification level over the current |
| 352 | * magnification level. |
| 353 | * @param anchorX The magnification anchor (X) in the current view |
| 354 | * coordinate. |
| 355 | * @param anchorY The magnification anchor (Y) in the current view |
| 356 | * coordinate. |
| 357 | */ |
| 358 | @VisibleForTesting |
| 359 | public void pinchBy(long timeMs, int anchorX, int anchorY, float delta) { |
| 360 | mContentViewCore.getContentViewGestureHandler().pinchBy(timeMs, anchorX, anchorY, delta); |
| 361 | } |
| 362 | |
| 363 | /** |
| 364 | * Injects the passed JavaScript code in the current page and evaluates it. |
| 365 | * |
| 366 | * @throws IllegalStateException If the ContentView has been destroyed. |
| 367 | */ |
| 368 | public void evaluateJavaScript(String script) throws IllegalStateException { |
| 369 | mContentViewCore.evaluateJavaScript(script, null); |
| 370 | } |
| 371 | |
| 372 | /** |
| 373 | * This method should be called when the containing activity is paused. |
| 374 | **/ |
| 375 | public void onActivityPause() { |
| 376 | mContentViewCore.onActivityPause(); |
| 377 | } |
| 378 | |
| 379 | /** |
| 380 | * This method should be called when the containing activity is resumed. |
| 381 | **/ |
| 382 | public void onActivityResume() { |
| 383 | mContentViewCore.onActivityResume(); |
| 384 | } |
| 385 | |
| 386 | /** |
| 387 | * To be called when the ContentView is shown. |
| 388 | **/ |
| 389 | public void onShow() { |
| 390 | mContentViewCore.onShow(); |
| 391 | } |
| 392 | |
| 393 | /** |
| 394 | * To be called when the ContentView is hidden. |
| 395 | **/ |
| 396 | public void onHide() { |
| 397 | mContentViewCore.onHide(); |
| 398 | } |
| 399 | |
| 400 | /** |
| 401 | * Return the ContentSettings object used to retrieve the settings for this |
| 402 | * ContentView. |
| 403 | * @return A ContentSettings object that can be used to retrieve this ContentView's |
| 404 | * settings. |
| 405 | */ |
| 406 | public ContentSettings getContentSettings() { |
| 407 | return mContentViewCore.getContentSettings(); |
| 408 | } |
| 409 | |
| 410 | /** |
| 411 | * Hides the select action bar. |
| 412 | */ |
| 413 | public void hideSelectActionBar() { |
| 414 | mContentViewCore.hideSelectActionBar(); |
| 415 | } |
| 416 | |
| 417 | // FrameLayout overrides. |
| 418 | |
| 419 | // Needed by ContentViewCore.InternalAccessDelegate |
| 420 | @Override |
| 421 | public boolean drawChild(Canvas canvas, View child, long drawingTime) { |
| 422 | return super.drawChild(canvas, child, drawingTime); |
| 423 | } |
| 424 | |
| 425 | @Override |
| 426 | protected void onSizeChanged(int w, int h, int ow, int oh) { |
| 427 | TraceEvent.begin(); |
| 428 | super.onSizeChanged(w, h, ow, oh); |
| 429 | mContentViewCore.onSizeChanged(w, h, ow, oh); |
| 430 | TraceEvent.end(); |
| 431 | } |
| 432 | |
| 433 | @Override |
| 434 | public InputConnection onCreateInputConnection(EditorInfo outAttrs) { |
| 435 | return mContentViewCore.onCreateInputConnection(outAttrs); |
| 436 | } |
| 437 | |
| 438 | @Override |
| 439 | public boolean onCheckIsTextEditor() { |
| 440 | return mContentViewCore.onCheckIsTextEditor(); |
| 441 | } |
| 442 | |
| 443 | @Override |
| 444 | protected void onFocusChanged(boolean gainFocus, int direction, Rect previouslyFocusedRect) { |
| 445 | TraceEvent.begin(); |
| 446 | super.onFocusChanged(gainFocus, direction, previouslyFocusedRect); |
| 447 | mContentViewCore.onFocusChanged(gainFocus); |
| 448 | TraceEvent.end(); |
| 449 | } |
| 450 | |
| 451 | @Override |
| 452 | public boolean onKeyUp(int keyCode, KeyEvent event) { |
| 453 | return mContentViewCore.onKeyUp(keyCode, event); |
| 454 | } |
| 455 | |
| 456 | @Override |
| 457 | public boolean dispatchKeyEventPreIme(KeyEvent event) { |
| 458 | return mContentViewCore.dispatchKeyEventPreIme(event); |
| 459 | } |
| 460 | |
| 461 | @Override |
| 462 | public boolean dispatchKeyEvent(KeyEvent event) { |
| 463 | if (isFocused()) { |
| 464 | return mContentViewCore.dispatchKeyEvent(event); |
| 465 | } else { |
| 466 | return super.dispatchKeyEvent(event); |
| 467 | } |
| 468 | } |
| 469 | |
| 470 | @Override |
| 471 | public boolean onTouchEvent(MotionEvent event) { |
| 472 | MotionEvent offset = createOffsetMotionEvent(event); |
| 473 | boolean consumed = mContentViewCore.onTouchEvent(offset); |
| 474 | offset.recycle(); |
| 475 | return consumed; |
| 476 | } |
| 477 | |
| 478 | /** |
| 479 | * Mouse move events are sent on hover enter, hover move and hover exit. |
| 480 | * They are sent on hover exit because sometimes it acts as both a hover |
| 481 | * move and hover exit. |
| 482 | */ |
| 483 | @Override |
| 484 | public boolean onHoverEvent(MotionEvent event) { |
| 485 | MotionEvent offset = createOffsetMotionEvent(event); |
| 486 | boolean consumed = mContentViewCore.onHoverEvent(offset); |
| 487 | offset.recycle(); |
| 488 | return consumed; |
| 489 | } |
| 490 | |
| 491 | @Override |
| 492 | public boolean onGenericMotionEvent(MotionEvent event) { |
| 493 | return mContentViewCore.onGenericMotionEvent(event); |
| 494 | } |
| 495 | |
| 496 | @Override |
| 497 | public boolean performLongClick() { |
| 498 | return false; |
| 499 | } |
| 500 | |
| 501 | /** |
| 502 | * Sets the current amount to offset incoming touch events by. This is used to handle content |
| 503 | * moving and not lining up properly with the android input system. |
| 504 | * @param dx The X offset in pixels to shift touch events. |
| 505 | * @param dy The Y offset in pixels to shift touch events. |
| 506 | */ |
| 507 | public void setCurrentMotionEventOffsets(float dx, float dy) { |
| 508 | mCurrentTouchOffsetX = dx; |
| 509 | mCurrentTouchOffsetY = dy; |
| 510 | } |
| 511 | |
| 512 | private MotionEvent createOffsetMotionEvent(MotionEvent src) { |
| 513 | MotionEvent dst = MotionEvent.obtain(src); |
| 514 | dst.offsetLocation(mCurrentTouchOffsetX, mCurrentTouchOffsetY); |
| 515 | return dst; |
| 516 | } |
| 517 | |
| 518 | @Override |
| 519 | protected void onConfigurationChanged(Configuration newConfig) { |
| 520 | mContentViewCore.onConfigurationChanged(newConfig); |
| 521 | } |
| 522 | |
| 523 | /** |
| 524 | * Currently the ContentView scrolling happens in the native side. In |
| 525 | * the Java view system, it is always pinned at (0, 0). scrollBy() and scrollTo() |
| 526 | * are overridden, so that View's mScrollX and mScrollY will be unchanged at |
| 527 | * (0, 0). This is critical for drawing ContentView correctly. |
| 528 | */ |
| 529 | @Override |
| 530 | public void scrollBy(int x, int y) { |
| 531 | mContentViewCore.scrollBy(x, y); |
| 532 | } |
| 533 | |
| 534 | @Override |
| 535 | public void scrollTo(int x, int y) { |
| 536 | mContentViewCore.scrollTo(x, y); |
| 537 | } |
| 538 | |
| 539 | @Override |
| 540 | protected int computeHorizontalScrollExtent() { |
| 541 | // TODO (dtrainor): Need to expose scroll events properly to public. Either make getScroll* |
| 542 | // work or expose computeHorizontalScrollOffset()/computeVerticalScrollOffset as public. |
| 543 | return mContentViewCore.computeHorizontalScrollExtent(); |
| 544 | } |
| 545 | |
| 546 | @Override |
| 547 | protected int computeHorizontalScrollOffset() { |
| 548 | return mContentViewCore.computeHorizontalScrollOffset(); |
| 549 | } |
| 550 | |
| 551 | @Override |
| 552 | protected int computeHorizontalScrollRange() { |
| 553 | return mContentViewCore.computeHorizontalScrollRange(); |
| 554 | } |
| 555 | |
| 556 | @Override |
| 557 | protected int computeVerticalScrollExtent() { |
| 558 | return mContentViewCore.computeVerticalScrollExtent(); |
| 559 | } |
| 560 | |
| 561 | @Override |
| 562 | protected int computeVerticalScrollOffset() { |
| 563 | return mContentViewCore.computeVerticalScrollOffset(); |
| 564 | } |
| 565 | |
| 566 | @Override |
| 567 | protected int computeVerticalScrollRange() { |
| 568 | return mContentViewCore.computeVerticalScrollRange(); |
| 569 | } |
| 570 | |
| 571 | // End FrameLayout overrides. |
| 572 | |
| 573 | @Override |
| 574 | public boolean awakenScrollBars(int startDelay, boolean invalidate) { |
| 575 | return mContentViewCore.awakenScrollBars(startDelay, invalidate); |
| 576 | } |
| 577 | |
| 578 | @Override |
| 579 | public boolean awakenScrollBars() { |
| 580 | return super.awakenScrollBars(); |
| 581 | } |
| 582 | |
| 583 | public int getSingleTapX() { |
| 584 | return mContentViewCore.getContentViewGestureHandler().getSingleTapX(); |
| 585 | } |
| 586 | |
| 587 | public int getSingleTapY() { |
| 588 | return mContentViewCore.getContentViewGestureHandler().getSingleTapY(); |
| 589 | } |
| 590 | |
| 591 | @Override |
| 592 | public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { |
| 593 | super.onInitializeAccessibilityNodeInfo(info); |
| 594 | mContentViewCore.onInitializeAccessibilityNodeInfo(info); |
| 595 | } |
| 596 | |
| 597 | /** |
| 598 | * Fills in scrolling values for AccessibilityEvents. |
| 599 | * @param event Event being fired. |
| 600 | */ |
| 601 | @Override |
| 602 | public void onInitializeAccessibilityEvent(AccessibilityEvent event) { |
| 603 | super.onInitializeAccessibilityEvent(event); |
| 604 | mContentViewCore.onInitializeAccessibilityEvent(event); |
| 605 | } |
| 606 | |
| 607 | @Override |
| 608 | protected void onAttachedToWindow() { |
| 609 | super.onAttachedToWindow(); |
| 610 | mContentViewCore.onAttachedToWindow(); |
| 611 | } |
| 612 | |
| 613 | @Override |
| 614 | protected void onDetachedFromWindow() { |
| 615 | super.onDetachedFromWindow(); |
| 616 | mContentViewCore.onDetachedFromWindow(); |
| 617 | } |
| 618 | |
| 619 | @Override |
| 620 | protected void onVisibilityChanged(View changedView, int visibility) { |
| 621 | super.onVisibilityChanged(changedView, visibility); |
| 622 | mContentViewCore.onVisibilityChanged(changedView, visibility); |
| 623 | } |
| 624 | |
| 625 | /** |
| 626 | * Register the delegate to be used when content can not be handled by |
| 627 | * the rendering engine, and should be downloaded instead. This will replace |
| 628 | * the current delegate. |
| 629 | * @param delegate An implementation of ContentViewDownloadDelegate. |
| 630 | */ |
| 631 | public void setDownloadDelegate(ContentViewDownloadDelegate delegate) { |
| 632 | mContentViewCore.setDownloadDelegate(delegate); |
| 633 | } |
| 634 | |
| 635 | // Called by DownloadController. |
| 636 | ContentViewDownloadDelegate getDownloadDelegate() { |
| 637 | return mContentViewCore.getDownloadDelegate(); |
| 638 | } |
| 639 | |
| 640 | public boolean getUseDesktopUserAgent() { |
| 641 | return mContentViewCore.getUseDesktopUserAgent(); |
| 642 | } |
| 643 | |
| 644 | /** |
| 645 | * Set whether or not we're using a desktop user agent for the currently loaded page. |
| 646 | * @param override If true, use a desktop user agent. Use a mobile one otherwise. |
| 647 | * @param reloadOnChange Reload the page if the UA has changed. |
| 648 | */ |
| 649 | public void setUseDesktopUserAgent(boolean override, boolean reloadOnChange) { |
| 650 | mContentViewCore.setUseDesktopUserAgent(override, reloadOnChange); |
| 651 | } |
| 652 | |
| 653 | /** |
| 654 | * @return Whether the native ContentView has crashed. |
| 655 | */ |
| 656 | public boolean isCrashed() { |
| 657 | return mContentViewCore.isCrashed(); |
| 658 | } |
| 659 | |
| 660 | /** |
| 661 | * @return Whether a reload happens when this ContentView is activated. |
| 662 | */ |
| 663 | public boolean needsReload() { |
| 664 | return mContentViewCore.needsReload(); |
| 665 | } |
| 666 | |
| 667 | /** |
| 668 | * Checks whether the WebView can be zoomed in. |
| 669 | * |
| 670 | * @return True if the WebView can be zoomed in. |
| 671 | */ |
| 672 | // This method uses the term 'zoom' for legacy reasons, but relates |
| 673 | // to what chrome calls the 'page scale factor'. |
| 674 | public boolean canZoomIn() { |
| 675 | return mContentViewCore.canZoomIn(); |
| 676 | } |
| 677 | |
| 678 | /** |
| 679 | * Checks whether the WebView can be zoomed out. |
| 680 | * |
| 681 | * @return True if the WebView can be zoomed out. |
| 682 | */ |
| 683 | // This method uses the term 'zoom' for legacy reasons, but relates |
| 684 | // to what chrome calls the 'page scale factor'. |
| 685 | public boolean canZoomOut() { |
| 686 | return mContentViewCore.canZoomOut(); |
| 687 | } |
| 688 | |
| 689 | /** |
| 690 | * Zooms in the WebView by 25% (or less if that would result in zooming in |
| 691 | * more than possible). |
| 692 | * |
| 693 | * @return True if there was a zoom change, false otherwise. |
| 694 | */ |
| 695 | // This method uses the term 'zoom' for legacy reasons, but relates |
| 696 | // to what chrome calls the 'page scale factor'. |
| 697 | public boolean zoomIn() { |
| 698 | return mContentViewCore.zoomIn(); |
| 699 | } |
| 700 | |
| 701 | /** |
| 702 | * Zooms out the WebView by 20% (or less if that would result in zooming out |
| 703 | * more than possible). |
| 704 | * |
| 705 | * @return True if there was a zoom change, false otherwise. |
| 706 | */ |
| 707 | // This method uses the term 'zoom' for legacy reasons, but relates |
| 708 | // to what chrome calls the 'page scale factor'. |
| 709 | public boolean zoomOut() { |
| 710 | return mContentViewCore.zoomOut(); |
| 711 | } |
| 712 | |
| 713 | /** |
| 714 | * Resets the zoom factor of the WebView. |
| 715 | * |
| 716 | * @return True if there was a zoom change, false otherwise. |
| 717 | */ |
| 718 | // This method uses the term 'zoom' for legacy reasons, but relates |
| 719 | // to what chrome calls the 'page scale factor'. |
| 720 | public boolean zoomReset() { |
| 721 | return mContentViewCore.zoomReset(); |
| 722 | } |
| 723 | |
| 724 | /** |
| 725 | * Return the current scale of the WebView |
| 726 | * @return The current scale. |
| 727 | */ |
| 728 | public float getScale() { |
| 729 | return mContentViewCore.getScale(); |
| 730 | } |
| 731 | |
| 732 | /** |
| 733 | * If the view is ready to draw contents to the screen. In hardware mode, |
| 734 | * the initialization of the surface texture may not occur until after the |
| 735 | * view has been added to the layout. This method will return {@code true} |
| 736 | * once the texture is actually ready. |
| 737 | */ |
| 738 | public boolean isReady() { |
| 739 | return mContentViewCore.isReady(); |
| 740 | } |
| 741 | |
| 742 | /** |
| 743 | * Returns whether or not accessibility injection is being used. |
| 744 | */ |
| 745 | public boolean isInjectingAccessibilityScript() { |
| 746 | return mContentViewCore.isInjectingAccessibilityScript(); |
| 747 | } |
| 748 | |
| 749 | /** |
| 750 | * Enable or disable accessibility features. |
| 751 | */ |
| 752 | public void setAccessibilityState(boolean state) { |
| 753 | mContentViewCore.setAccessibilityState(state); |
| 754 | } |
| 755 | |
| 756 | /** |
| 757 | * Stop any TTS notifications that are currently going on. |
| 758 | */ |
| 759 | public void stopCurrentAccessibilityNotifications() { |
| 760 | mContentViewCore.stopCurrentAccessibilityNotifications(); |
| 761 | } |
| 762 | |
| 763 | /** |
| 764 | * Inform WebKit that Fullscreen mode has been exited by the user. |
| 765 | */ |
| 766 | public void exitFullscreen() { |
| 767 | mContentViewCore.exitFullscreen(); |
| 768 | } |
| 769 | |
| 770 | /** |
| 771 | * Return content scroll y. |
| 772 | * |
| 773 | * @return The vertical scroll position in pixels. |
| 774 | */ |
| 775 | public int getContentScrollY() { |
| 776 | return mContentViewCore.computeVerticalScrollOffset(); |
| 777 | } |
| 778 | |
| 779 | /** |
| 780 | * Return content height. |
| 781 | * |
| 782 | * @return The height of the content in pixels. |
| 783 | */ |
| 784 | public int getContentHeight() { |
| 785 | return mContentViewCore.computeVerticalScrollRange(); |
| 786 | } |
| 787 | |
| 788 | /////////////////////////////////////////////////////////////////////////////////////////////// |
| 789 | // Start Implementation of ContentViewCore.InternalAccessDelegate // |
| 790 | /////////////////////////////////////////////////////////////////////////////////////////////// |
| 791 | |
| 792 | @Override |
| 793 | public boolean super_onKeyUp(int keyCode, KeyEvent event) { |
| 794 | return super.onKeyUp(keyCode, event); |
| 795 | } |
| 796 | |
| 797 | @Override |
| 798 | public boolean super_dispatchKeyEventPreIme(KeyEvent event) { |
| 799 | return super.dispatchKeyEventPreIme(event); |
| 800 | } |
| 801 | |
| 802 | @Override |
| 803 | public boolean super_dispatchKeyEvent(KeyEvent event) { |
| 804 | return super.dispatchKeyEvent(event); |
| 805 | } |
| 806 | |
| 807 | @Override |
| 808 | public boolean super_onGenericMotionEvent(MotionEvent event) { |
| 809 | return super.onGenericMotionEvent(event); |
| 810 | } |
| 811 | |
| 812 | @Override |
| 813 | public void super_onConfigurationChanged(Configuration newConfig) { |
| 814 | super.onConfigurationChanged(newConfig); |
| 815 | } |
| 816 | |
| 817 | @Override |
| 818 | public boolean super_awakenScrollBars(int startDelay, boolean invalidate) { |
| 819 | return super.awakenScrollBars(startDelay, invalidate); |
| 820 | } |
| 821 | |
| 822 | /////////////////////////////////////////////////////////////////////////////////////////////// |
| 823 | // End Implementation of ContentViewCore.InternalAccessDelegate // |
| 824 | /////////////////////////////////////////////////////////////////////////////////////////////// |
| 825 | } |