Prevent WebKit updates in loadViewState case (95b7d6f9) · Commits · e / os / android_frameworks_base

core/java/android/webkit/ViewStateSerializer.java

+0 −1

Original line number	Diff line number	Diff line
		@@ -16,7 +16,6 @@
		package android.webkit;

		import android.graphics.Point;
		import android.graphics.Rect;
		import android.graphics.Region;
		import android.webkit.WebViewCore.DrawData;

core/java/android/webkit/WebView.java

+66 −25

Original line number	Diff line number	Diff line
		@@ -620,6 +620,9 @@ public class WebView extends AbsoluteLayout
		// SetBaseLayer time and to pause when WebView paused.
		private HTML5VideoViewProxy mHTML5VideoViewProxy;

		// If we are using a set picture, don't send view updates to webkit
		private boolean mBlockWebkitViewMessages = false;

		/*
		* Private message ids
		*/
		@@ -1815,8 +1818,8 @@ public class WebView extends AbsoluteLayout
		*/
		public boolean loadViewState(InputStream stream) {
		try {
		mWebViewCore.sendMessage(EventHub.CLEAR_CONTENT);
		DrawData draw = ViewStateSerializer.deserializeViewState(stream, this);
		mBlockWebkitViewMessages = true;
		setNewPicture(draw);
		return true;
		} catch (IOException e) {
		@@ -1825,6 +1828,16 @@ public class WebView extends AbsoluteLayout
		return false;
		}

		/**
		* Clears the view state set with {@link #loadViewState(InputStream)}.
		* This WebView will then switch to showing the content from webkit
		* @hide
		*/
		public void clearViewState() {
		mBlockWebkitViewMessages = false;
		invalidate();
		}

		/**
		* Restore the state of this WebView from the given map used in
		* {@link android.app.Activity#onRestoreInstanceState}. This method should
		@@ -2704,10 +2717,12 @@ public class WebView extends AbsoluteLayout
		calcOurContentVisibleRect(rect);
		// Rect.equals() checks for null input.
		if (!rect.equals(mLastVisibleRectSent)) {
		if (!mBlockWebkitViewMessages) {
		Point pos = new Point(rect.left, rect.top);
		mWebViewCore.removeMessages(EventHub.SET_SCROLL_OFFSET);
		mWebViewCore.sendMessage(EventHub.SET_SCROLL_OFFSET,
		nativeMoveGeneration(), mSendScrollEvent ? 1 : 0, pos);
		}
		mLastVisibleRectSent = rect;
		mPrivateHandler.removeMessages(SWITCH_TO_LONGPRESS);
		}
		@@ -2722,7 +2737,9 @@ public class WebView extends AbsoluteLayout
		// TODO: the global offset is only used by windowRect()
		// in ChromeClientAndroid ; other clients such as touch
		// and mouse events could return view + screen relative points.
		if (!mBlockWebkitViewMessages) {
		mWebViewCore.sendMessage(EventHub.SET_GLOBAL_BOUNDS, globalRect);
		}
		mLastGlobalRect = globalRect;
		}
		return rect;
		@@ -2787,6 +2804,7 @@ public class WebView extends AbsoluteLayout
		* @return true if new values were sent
		*/
		boolean sendViewSizeZoom(boolean force) {
		if (mBlockWebkitViewMessages) return false;
		if (mZoomManager.isPreventingWebkitUpdates()) return false;

		int viewWidth = getViewWidth();
		@@ -3399,10 +3417,12 @@ public class WebView extends AbsoluteLayout
		}
		abortAnimation();
		mPrivateHandler.removeMessages(RESUME_WEBCORE_PRIORITY);
		if (!mBlockWebkitViewMessages) {
		WebViewCore.resumePriority();
		if (!mSelectingText) {
		WebViewCore.resumeUpdatePicture(mWebViewCore);
		}
		}
		if (oldX != mScrollX \|\| oldY != mScrollY) {
		sendOurVisibleRect();
		}
		@@ -4259,7 +4279,7 @@ public class WebView extends AbsoluteLayout
		}

		void onFixedLengthZoomAnimationEnd() {
		if (!mSelectingText) {
		if (!mBlockWebkitViewMessages && !mSelectingText) {
		WebViewCore.resumeUpdatePicture(mWebViewCore);
		}
		onZoomAnimationEnd();
		@@ -4360,7 +4380,7 @@ public class WebView extends AbsoluteLayout
		// synchronization problem with layers.
		int content = nativeDraw(canvas, color, extras, false);
		canvas.setDrawFilter(null);
		if (content != 0) {
		if (!mBlockWebkitViewMessages && content != 0) {
		mWebViewCore.sendMessage(EventHub.SPLIT_PICTURE_SET, content, 0);
		}
		}
		@@ -4764,6 +4784,9 @@ public class WebView extends AbsoluteLayout

		@Override
		public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) {
		if (mBlockWebkitViewMessages) {
		return false;
		}
		// send complex characters to webkit for use by JS and plugins
		if (keyCode == KeyEvent.KEYCODE_UNKNOWN && event.getCharacters() != null) {
		// pass the key to DOM
		@@ -4788,6 +4811,9 @@ public class WebView extends AbsoluteLayout
		+ "keyCode=" + keyCode
		+ ", " + event + ", unicode=" + event.getUnicodeChar());
		}
		if (mBlockWebkitViewMessages) {
		return false;
		}

		// don't implement accelerator keys here; defer to host application
		if (event.isCtrlPressed()) {
		@@ -4991,6 +5017,9 @@ public class WebView extends AbsoluteLayout
		Log.v(LOGTAG, "keyUp at " + System.currentTimeMillis()
		+ ", " + event + ", unicode=" + event.getUnicodeChar());
		}
		if (mBlockWebkitViewMessages) {
		return false;
		}

		if (mNativeClass == 0) {
		return false;
		@@ -5575,10 +5604,12 @@ public class WebView extends AbsoluteLayout
		}

		private boolean shouldForwardTouchEvent() {
		return mFullScreenHolder != null \|\| (mForwardTouchEvents
		if (mFullScreenHolder != null) return true;
		if (mBlockWebkitViewMessages) return false;
		return mForwardTouchEvents
		&& !mSelectingText
		&& mPreventDefault != PREVENT_DEFAULT_IGNORE
		&& mPreventDefault != PREVENT_DEFAULT_NO);
		&& mPreventDefault != PREVENT_DEFAULT_NO;
		}

		private boolean inFullScreenMode() {
		@@ -5709,25 +5740,31 @@ public class WebView extends AbsoluteLayout
		// commit the short press action for the previous tap
		doShortPress();
		mTouchMode = TOUCH_INIT_MODE;
		mDeferTouchProcess = (!inFullScreenMode()
		&& mForwardTouchEvents) ? hitFocusedPlugin(
		contentX, contentY) : false;
		mDeferTouchProcess = !mBlockWebkitViewMessages
		&& (!inFullScreenMode() && mForwardTouchEvents)
		? hitFocusedPlugin(contentX, contentY)
		: false;
		}
		} else { // the normal case
		mTouchMode = TOUCH_INIT_MODE;
		mDeferTouchProcess = (!inFullScreenMode()
		&& mForwardTouchEvents) ? hitFocusedPlugin(
		contentX, contentY) : false;
		mDeferTouchProcess = !mBlockWebkitViewMessages
		&& (!inFullScreenMode() && mForwardTouchEvents)
		? hitFocusedPlugin(contentX, contentY)
		: false;
		if (!mBlockWebkitViewMessages) {
		mWebViewCore.sendMessage(
		EventHub.UPDATE_FRAME_CACHE_IF_LOADING);
		}
		if (getSettings().supportTouchOnly()) {
		TouchHighlightData data = new TouchHighlightData();
		data.mX = contentX;
		data.mY = contentY;
		data.mSlop = viewToContentDimension(mNavSlop);
		if (!mBlockWebkitViewMessages) {
		mWebViewCore.sendMessageDelayed(
		EventHub.GET_TOUCH_HIGHLIGHT_RECTS, data,
		ViewConfiguration.getTapTimeout());
		}
		if (DEBUG_TOUCH_HIGHLIGHT) {
		if (getSettings().getNavDump()) {
		mTouchHighlightX = (int) x + mScrollX;
		@@ -5763,7 +5800,7 @@ public class WebView extends AbsoluteLayout
		SWITCH_TO_LONGPRESS, LONG_PRESS_TIMEOUT);
		if (inFullScreenMode() \|\| mDeferTouchProcess) {
		mPreventDefault = PREVENT_DEFAULT_YES;
		} else if (mForwardTouchEvents) {
		} else if (!mBlockWebkitViewMessages && mForwardTouchEvents) {
		mPreventDefault = PREVENT_DEFAULT_MAYBE_YES;
		} else {
		mPreventDefault = PREVENT_DEFAULT_NO;
		@@ -7875,6 +7912,10 @@ public class WebView extends AbsoluteLayout
		// after WebView's destroy() is called, skip handling messages.
		return;
		}
		if (mBlockWebkitViewMessages) {
		// Blocking messages from webkit
		return;
		}
		switch (msg.what) {
		case REMEMBER_PASSWORD: {
		mDatabase.setUsernamePassword(