Merge "Made text selection work in ExtractEditText. Manual merge of Gingerbread 64947." (d9b4c84a) · Commits · e / os / android_frameworks_base

core/java/android/widget/TextView.java

+109 −92

Original line number	Diff line number	Diff line
		@@ -21,8 +21,8 @@ import com.android.internal.widget.EditableInputConnection;

		import org.xmlpull.v1.XmlPullParserException;

		import android.content.ClipboardManager;
		import android.content.ClipData;
		import android.content.ClipboardManager;
		import android.content.Context;
		import android.content.pm.PackageManager;
		import android.content.res.ColorStateList;
		@@ -36,6 +36,7 @@ import android.graphics.Rect;
		import android.graphics.RectF;
		import android.graphics.Typeface;
		import android.graphics.drawable.Drawable;
		import android.inputmethodservice.ExtractEditText;
		import android.net.Uri;
		import android.os.Bundle;
		import android.os.Handler;
		@@ -3704,19 +3705,22 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener

		boolean changed = false;

		SelectionModifierCursorController selectionController = null;
		if (mSelectionModifierCursorController != null) {
		selectionController = (SelectionModifierCursorController)
		mSelectionModifierCursorController;
		}


		if (mMovement != null) {
		/* This code also provides auto-scrolling when a cursor is moved using a
		* CursorController (insertion point or selection limits).
		* For selection, ensure start or end is visible depending on controller's state.
		*/
		int curs = getSelectionEnd();
		if (mSelectionModifierCursorController != null) {
		SelectionModifierCursorController selectionController =
		(SelectionModifierCursorController) mSelectionModifierCursorController;
		if (selectionController.isSelectionStartDragged()) {
		if (selectionController != null && selectionController.isSelectionStartDragged()) {
		curs = getSelectionStart();
		}
		}

		/*
		* TODO: This should really only keep the end in view if
		@@ -3735,10 +3739,16 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		changed = bringTextIntoView();
		}

		if (mShouldStartSelectionActionMode) {
		// This has to be checked here since:
		// - onFocusChanged cannot start it when focus is given to a view with selected text (after
		// a screen rotation) since layout is not yet initialized at that point.
		// - ExtractEditText does not call onFocus when it is displayed. Fixing this issue would
		// allow to test for hasSelection in onFocusChanged, which would trigger a
		// startTextSelectionMode here. TODO
		if (selectionController != null && hasSelection()) {
		startSelectionActionMode();
		mShouldStartSelectionActionMode = false;
		}

		mPreDrawState = PREDRAW_DONE;
		return !changed;
		}
		@@ -4350,6 +4360,15 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		if (shouldAdvanceFocusOnEnter()) {
		return 0;
		}
		break;

		// Has to be done on key down (and not on key up) to correctly be intercepted.
		case KeyEvent.KEYCODE_BACK:
		if (mSelectionActionMode != null) {
		stopSelectionActionMode();
		return -1;
		}
		break;
		}

		if (mInput != null) {
		@@ -4503,6 +4522,7 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener

		return super.onKeyUp(keyCode, event);
		}
		break;
		}

		if (mInput != null)
		@@ -6434,11 +6454,6 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		sendAccessibilityEventTypeViewTextChanged(mBeforeText, start, before, after);
		mBeforeText = null;
		}

		// TODO. The cursor controller should hide as soon as text is typed.
		// But this method is also used for cosmetic changes (underline current word when
		// spell corrections are displayed. There is currently no way to make the difference
		// between these cosmetic changes and actual text modifications.
		}

		public void afterTextChanged(Editable buffer) {
		@@ -6530,13 +6545,9 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		int selEnd = getSelectionEnd();

		if (!mFrozenWithFocus \|\| (selStart < 0 \|\| selEnd < 0)) {
		boolean selMoved = mSelectionMoved;

		if (mSelectionModifierCursorController != null) {
		final int touchOffset =
		((SelectionModifierCursorController) mSelectionModifierCursorController).
		getMinTouchOffset();
		Selection.setSelection((Spannable) mText, touchOffset);
		// Has to be done before onTakeFocus, which can be overloaded.
		if (mLastTouchOffset >= 0) {
		Selection.setSelection((Spannable) mText, mLastTouchOffset);
		}

		if (mMovement != null) {
		@@ -6547,7 +6558,12 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		Selection.setSelection((Spannable) mText, 0, mText.length());
		}

		if (selMoved && selStart >= 0 && selEnd >= 0) {
		// The DecorView does not have focus when the 'Done' ExtractEditText button is
		// pressed. Since it is the ViewRoot's mView, it requests focus before
		// ExtractEditText clears focus, which gives focus to the ExtractEditText.
		// This special case ensure that we keep current selection in that case.
		// It would be better to know why the DecorView does not have focus at that time.
		if (((this instanceof ExtractEditText) \|\| mSelectionMoved) && selStart >= 0 && selEnd >= 0) {
		/*
		* Someone intentionally set the selection, so let them
		* do whatever it is that they wanted to do instead of
		@@ -6557,7 +6573,6 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		* just setting the selection in theirs and we still
		* need to go through that path.
		*/

		Selection.setSelection((Spannable) mText, selStart, selEnd);
		}
		mTouchFocusSelected = true;
		@@ -6576,13 +6591,6 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		if (mError != null) {
		showError();
		}

		// We cannot start the selection mode immediately. The layout may be null here and is
		// needed by the cursor controller. Layout creation is deferred up to drawing. The
		// selection action mode will be started in onPreDraw().
		if (selStart != selEnd) {
		mShouldStartSelectionActionMode = true;
		}
		} else {
		if (mError != null) {
		hideError();
		@@ -6591,14 +6599,22 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		onEndBatchEdit();

		hideInsertionPointCursorController();
		if (this instanceof ExtractEditText) {
		// terminateTextSelectionMode removes selection, which we want to keep when
		// ExtractEditText goes out of focus.
		final int selStart = getSelectionStart();
		final int selEnd = getSelectionEnd();
		terminateSelectionActionMode();
		Selection.setSelection((Spannable) mText, selStart, selEnd);
		} else {
		terminateSelectionActionMode();
		}
		}

		startStopMarquee(focused);

		if (mTransformation != null) {
		mTransformation.onFocusChanged(this, mText, focused, direction,
		previouslyFocusedRect);
		mTransformation.onFocusChanged(this, mText, focused, direction, previouslyFocusedRect);
		}

		super.onFocusChanged(focused, direction, previouslyFocusedRect);
		@@ -6657,59 +6673,57 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		}
		}

		class CommitSelectionReceiver extends ResultReceiver {
		private final int mPrevStart, mPrevEnd;
		private final int mNewStart, mNewEnd;
		private void onTapUpEvent(int prevStart, int prevEnd) {
		final int start = getSelectionStart();
		final int end = getSelectionEnd();

		public CommitSelectionReceiver(int mPrevStart, int mPrevEnd, int mNewStart, int mNewEnd) {
		super(getHandler());
		this.mPrevStart = mPrevStart;
		this.mPrevEnd = mPrevEnd;
		this.mNewStart = mNewStart;
		this.mNewEnd = mNewEnd;
		}

		@Override
		protected void onReceiveResult(int resultCode, Bundle resultData) {
		int start = mNewStart;
		int end = mNewEnd;

		// Move the cursor to the new position, unless this tap was actually
		// use to show the IMM. Leave cursor unchanged in that case.
		if (resultCode == InputMethodManager.RESULT_SHOWN) {
		start = mPrevStart;
		end = mPrevEnd;
		} else {
		if ((mPrevStart != mPrevEnd) && (start == end)) {
		if ((start >= mPrevStart) && (start <= mPrevEnd)) {
		// Tapping inside the selection does nothing
		Selection.setSelection((Spannable) mText, mPrevStart, mPrevEnd);
		if (start == end) {
		if (start >= prevStart && start < prevEnd) {
		// Tapping inside the selection displays the cut/copy/paste context menu.
		showContextMenu();
		return;
		} else {
		// Tapping outside stops selection mode, if any
		stopSelectionActionMode();
		}
		}

		if (mInsertionPointCursorController != null) {
		mInsertionPointCursorController.show();
		}
		}
		}
		}

		class CommitSelectionReceiver extends ResultReceiver {
		private final int mPrevStart, mPrevEnd;

		public CommitSelectionReceiver(int prevStart, int prevEnd) {
		super(getHandler());
		mPrevStart = prevStart;
		mPrevEnd = prevEnd;
		}

		@Override
		protected void onReceiveResult(int resultCode, Bundle resultData) {
		// If this tap was actually used to show the IMM, leave cursor or selection unchanged
		// by restoring its previous position.
		if (resultCode == InputMethodManager.RESULT_SHOWN) {
		final int len = mText.length();
		if (start > len) {
		start = len;
		int start = Math.min(len, mPrevStart);
		int end = Math.min(len, mPrevEnd);
		Selection.setSelection((Spannable)mText, start, end);

		if (hasSelection()) {
		startSelectionActionMode();
		} else if (mInsertionPointCursorController != null) {
		mInsertionPointCursorController.show();
		}
		if (end > len) {
		end = len;
		}
		Selection.setSelection((Spannable)mText, start, end);
		}
		}

		@Override
		public boolean onTouchEvent(MotionEvent event) {
		final int action = event.getAction();
		final int action = event.getActionMasked();
		if (action == MotionEvent.ACTION_DOWN) {
		// Reset this state; it will be re-set if super.onTouchEvent
		// causes focus to move to the view.
		@@ -6729,11 +6743,7 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		return superResult;
		}

		if ((mMovement != null \|\| onCheckIsTextEditor()) &&
		mText instanceof Spannable && mLayout != null) {

		int oldSelStart = getSelectionStart();
		int oldSelEnd = getSelectionEnd();
		if ((mMovement != null \|\| onCheckIsTextEditor()) && mText instanceof Spannable && mLayout != null) {

		if (mInsertionPointCursorController != null) {
		mInsertionPointCursorController.onTouchEvent(event);
		@@ -6744,6 +6754,10 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener

		boolean handled = false;

		// Save previous selection, in case this event is used to show the IME.
		int oldSelStart = getSelectionStart();
		int oldSelEnd = getSelectionEnd();

		if (mMovement != null) {
		handled \|= mMovement.onTouchEvent(this, (Spannable) mText, event);
		}
		@@ -6753,17 +6767,17 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		InputMethodManager imm = (InputMethodManager)
		getContext().getSystemService(Context.INPUT_METHOD_SERVICE);

		final int newSelStart = getSelectionStart();
		final int newSelEnd = getSelectionEnd();

		CommitSelectionReceiver csr = null;
		if (newSelStart != oldSelStart \|\| newSelEnd != oldSelEnd \|\|
		if (getSelectionStart() != oldSelStart \|\| getSelectionEnd() != oldSelEnd \|\|
		didTouchFocusSelect()) {
		csr = new CommitSelectionReceiver(oldSelStart, oldSelEnd,
		newSelStart, newSelEnd);
		csr = new CommitSelectionReceiver(oldSelStart, oldSelEnd);
		}

		handled \|= imm.showSoftInput(this, 0, csr) && (csr != null);

		// Cannot be done by CommitSelectionReceiver, which might not always be called,
		// for instance when dealing with an ExtractEditText.
		onTapUpEvent(oldSelStart, oldSelEnd);
		}
		}

		@@ -7315,8 +7329,9 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		int max = mText.length();

		if (isFocused()) {
		int selStart = getSelectionStart();
		int selEnd = getSelectionEnd();
		final int selStart = getSelectionStart();
		final int selEnd = getSelectionEnd();

		min = Math.max(0, Math.min(selStart, selEnd));
		max = Math.max(0, Math.max(selStart, selEnd));
		}
		@@ -7326,7 +7341,6 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener

		switch (id) {
		case ID_COPY_URL:
		MetaKeyKeyListener.stopSelecting(this, (Spannable) mText);

		URLSpan[] urls = ((Spanned) mText).getSpans(min, max, URLSpan.class);
		if (urls.length >= 1) {
		@@ -7660,8 +7674,9 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		mHotSpotVerticalPosition = lineTop;

		final Rect bounds = sCursorControllerTempRect;
		bounds.left = (int) (mLayout.getPrimaryHorizontal(offset) - drawableWidth / 2.0);
		bounds.top = (bottom ? lineBottom : lineTop) - drawableHeight / 2;
		bounds.left = (int) (mLayout.getPrimaryHorizontal(offset) - drawableWidth / 2.0)
		+ mScrollX;
		bounds.top = (bottom ? lineBottom : lineTop) - drawableHeight / 2 + mScrollY;

		mTopExtension = bottom ? 0 : drawableHeight / 2;
		mBottomExtension = drawableHeight;
		@@ -7692,6 +7707,7 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		(int) (y - mBottomExtension),
		(int) (x + drawableWidth / 2.0),
		(int) (y + mTopExtension));
		fingerRect.offset(mScrollX, mScrollY);
		return Rect.intersects(mDrawable.getBounds(), fingerRect);
		}

		@@ -7985,7 +8001,7 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		final int y = (int) event.getY();

		// Remember finger down position, to be able to start selection from there
		mMinTouchOffset = mMaxTouchOffset = getOffset(x, y);
		mMinTouchOffset = mMaxTouchOffset = mLastTouchOffset = getOffset(x, y);

		if (mIsVisible) {
		if (mMovement instanceof ArrowKeyMovementMethod) {
		@@ -8001,7 +8017,8 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		// In case both controllers are under finger (very small
		// selection region), arbitrarily pick end controller.
		mStartIsDragged = !isOnEnd;
		final Handle draggedHandle = mStartIsDragged ? mStartHandle : mEndHandle;
		final Handle draggedHandle =
		mStartIsDragged ? mStartHandle : mEndHandle;
		final Rect bounds = draggedHandle.mDrawable.getBounds();
		mOffsetX = (bounds.left + bounds.right) / 2.0f - x;
		mOffsetY = draggedHandle.mHotSpotVerticalPosition - y;
		@@ -8166,8 +8183,8 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		// Cursor Controllers. Null when disabled.
		private CursorController mInsertionPointCursorController;
		private CursorController mSelectionModifierCursorController;
		private boolean mShouldStartSelectionActionMode = false;
		private ActionMode mSelectionActionMode;
		private int mLastTouchOffset = -1;
		// Created once and shared by different CursorController helper methods.
		// Only one cursor controller is active at any time which prevent race conditions.
		private static Rect sCursorControllerTempRect = new Rect();