Add fade-in and fade-out for selection handles. (30d773f9) · Commits · e / os / android_frameworks_base

core/java/android/webkit/WebViewClassic.java

+72 −25

Original line number	Diff line number	Diff line
		@@ -3909,6 +3909,9 @@ public final class WebViewClassic implements WebViewProvider, WebViewProvider.Sc
		mSelectCursorExtent.offset(dx, dy);
		mSelectCursorExtentTextQuad.offset(dx, dy);
		}
		} else if (mHandleAlpha.getAlpha() > 0) {
		// stop fading as we're not going to move with the layer.
		mHandleAlphaAnimator.end();
		}
		if (mAutoCompletePopup != null &&
		mCurrentScrollingLayerId == mEditTextLayerId) {
		@@ -4490,9 +4493,7 @@ public final class WebViewClassic implements WebViewProvider, WebViewProvider.Sc
		}

		canvas.restoreToCount(saveCount);
		if (mSelectingText) {
		drawTextSelectionHandles(canvas);
		}

		if (extras == DRAW_EXTRAS_CURSOR_RING) {
		if (mTouchMode == TOUCH_SHORTPRESS_START_MODE) {
		@@ -4730,6 +4731,9 @@ public final class WebViewClassic implements WebViewProvider, WebViewProvider.Sc
		}

		private void onZoomAnimationStart() {
		if (!mSelectingText && mHandleAlpha.getAlpha() > 0) {
		mHandleAlphaAnimator.end();
		}
		}

		private void onZoomAnimationEnd() {
		@@ -4760,6 +4764,36 @@ public final class WebViewClassic implements WebViewProvider, WebViewProvider.Sc
		private final DrawFilter mScrollFilter =
		new PaintFlagsDrawFilter(SCROLL_BITS, 0);

		private class SelectionHandleAlpha {
		private int mAlpha = 0;
		public void setAlpha(int alpha) {
		mAlpha = alpha;
		if (mSelectHandleCenter != null) {
		mSelectHandleCenter.setAlpha(alpha);
		mSelectHandleLeft.setAlpha(alpha);
		mSelectHandleRight.setAlpha(alpha);
		// TODO: Use partial invalidate
		invalidate();
		}
		}

		public int getAlpha() {
		return mAlpha;
		}

		}

		private void startSelectingText() {
		mSelectingText = true;
		mHandleAlphaAnimator.setIntValues(255);
		mHandleAlphaAnimator.start();
		}
		private void endSelectingText() {
		mSelectingText = false;
		mHandleAlphaAnimator.setIntValues(0);
		mHandleAlphaAnimator.start();
		}

		private void ensureSelectionHandles() {
		if (mSelectHandleCenter == null) {
		mSelectHandleCenter = mContext.getResources().getDrawable(
		@@ -4768,6 +4802,7 @@ public final class WebViewClassic implements WebViewProvider, WebViewProvider.Sc
		com.android.internal.R.drawable.text_select_handle_left);
		mSelectHandleRight = mContext.getResources().getDrawable(
		com.android.internal.R.drawable.text_select_handle_right);
		mHandleAlpha.setAlpha(mHandleAlpha.getAlpha());
		mSelectHandleCenterOffset = new Point(0,
		-mSelectHandleCenter.getIntrinsicHeight());
		mSelectHandleLeftOffset = new Point(0,
		@@ -4779,7 +4814,11 @@ public final class WebViewClassic implements WebViewProvider, WebViewProvider.Sc
		}

		private void drawTextSelectionHandles(Canvas canvas) {
		if (mHandleAlpha.getAlpha() == 0) {
		return;
		}
		ensureSelectionHandles();
		if (mSelectingText) {
		int[] handles = new int[4];
		getSelectionHandles(handles);
		int start_x = contentToViewDimension(handles[0]);
		@@ -4793,7 +4832,6 @@ public final class WebViewClassic implements WebViewProvider, WebViewProvider.Sc
		mSelectHandleCenter.setBounds(start_x, start_y,
		start_x + mSelectHandleCenter.getIntrinsicWidth(),
		start_y + mSelectHandleCenter.getIntrinsicHeight());
		mSelectHandleCenter.draw(canvas);
		} else {
		// Magic formula copied from TextView
		start_x -= (mSelectHandleLeft.getIntrinsicWidth() * 3) / 4;
		@@ -4804,6 +4842,12 @@ public final class WebViewClassic implements WebViewProvider, WebViewProvider.Sc
		mSelectHandleRight.setBounds(end_x, end_y,
		end_x + mSelectHandleRight.getIntrinsicWidth(),
		end_y + mSelectHandleRight.getIntrinsicHeight());
		}
		}

		if (mIsCaretSelection) {
		mSelectHandleCenter.draw(canvas);
		} else {
		mSelectHandleLeft.draw(canvas);
		mSelectHandleRight.draw(canvas);
		}
		@@ -5457,7 +5501,7 @@ public final class WebViewClassic implements WebViewProvider, WebViewProvider.Sc
		selectionDone();
		return false;
		}
		mSelectingText = true;
		startSelectingText();
		mTouchMode = TOUCH_DRAG_MODE;
		return true;
		}
		@@ -5511,7 +5555,7 @@ public final class WebViewClassic implements WebViewProvider, WebViewProvider.Sc
		void selectionDone() {
		if (mSelectingText) {
		hidePasteButton();
		mSelectingText = false;
		endSelectingText();
		// finish is idempotent, so this is fine even if selectionDone was
		// called by mSelectCallback.onDestroyActionMode
		if (mSelectCallback != null) {
		@@ -6643,6 +6687,9 @@ public final class WebViewClassic implements WebViewProvider, WebViewProvider.Sc
		private long mTrackballUpTime = 0;
		private long mLastCursorTime = 0;
		private Rect mLastCursorBounds;
		private SelectionHandleAlpha mHandleAlpha = new SelectionHandleAlpha();
		private ObjectAnimator mHandleAlphaAnimator =
		ObjectAnimator.ofInt(mHandleAlpha, "alpha", 0);

		// Set by default; BrowserActivity clears to interpret trackball data
		// directly for movement. Currently, the framework only passes