Examples with ClickableSpan android.text.style.ClickableSpan used on opensource projects

Example 6 with ClickableSpan

use of android.text.style.ClickableSpan in project platform_frameworks_base by android.

the class LinkMovementMethod method action.

private boolean action(int what, TextView widget, Spannable buffer) {
    Layout layout = widget.getLayout();
    int padding = widget.getTotalPaddingTop() + widget.getTotalPaddingBottom();
    int areatop = widget.getScrollY();
    int areabot = areatop + widget.getHeight() - padding;
    int linetop = layout.getLineForVertical(areatop);
    int linebot = layout.getLineForVertical(areabot);
    int first = layout.getLineStart(linetop);
    int last = layout.getLineEnd(linebot);
    ClickableSpan[] candidates = buffer.getSpans(first, last, ClickableSpan.class);
    int a = Selection.getSelectionStart(buffer);
    int b = Selection.getSelectionEnd(buffer);
    int selStart = Math.min(a, b);
    int selEnd = Math.max(a, b);
    if (selStart < 0) {
        if (buffer.getSpanStart(FROM_BELOW) >= 0) {
            selStart = selEnd = buffer.length();
        }
    }
    if (selStart > last)
        selStart = selEnd = Integer.MAX_VALUE;
    if (selEnd < first)
        selStart = selEnd = -1;
    switch(what) {
        case CLICK:
            if (selStart == selEnd) {
                return false;
            }
            ClickableSpan[] link = buffer.getSpans(selStart, selEnd, ClickableSpan.class);
            if (link.length != 1)
                return false;
            link[0].onClick(widget);
            break;
        case UP:
            int beststart, bestend;
            beststart = -1;
            bestend = -1;
            for (int i = 0; i < candidates.length; i++) {
                int end = buffer.getSpanEnd(candidates[i]);
                if (end < selEnd || selStart == selEnd) {
                    if (end > bestend) {
                        beststart = buffer.getSpanStart(candidates[i]);
                        bestend = end;
                    }
                }
            }
            if (beststart >= 0) {
                Selection.setSelection(buffer, bestend, beststart);
                return true;
            }
            break;
        case DOWN:
            beststart = Integer.MAX_VALUE;
            bestend = Integer.MAX_VALUE;
            for (int i = 0; i < candidates.length; i++) {
                int start = buffer.getSpanStart(candidates[i]);
                if (start > selStart || selStart == selEnd) {
                    if (start < beststart) {
                        beststart = start;
                        bestend = buffer.getSpanEnd(candidates[i]);
                    }
                }
            }
            if (bestend < Integer.MAX_VALUE) {
                Selection.setSelection(buffer, beststart, bestend);
                return true;
            }
            break;
    }
    return false;
}

Example 7 with ClickableSpan

use of android.text.style.ClickableSpan in project platform_frameworks_base by android.

the class LinkMovementMethod method onTouchEvent.

@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
    int action = event.getAction();
    if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_DOWN) {
        int x = (int) event.getX();
        int y = (int) event.getY();
        x -= widget.getTotalPaddingLeft();
        y -= widget.getTotalPaddingTop();
        x += widget.getScrollX();
        y += widget.getScrollY();
        Layout layout = widget.getLayout();
        int line = layout.getLineForVertical(y);
        int off = layout.getOffsetForHorizontal(line, x);
        ClickableSpan[] link = buffer.getSpans(off, off, ClickableSpan.class);
        if (link.length != 0) {
            if (action == MotionEvent.ACTION_UP) {
                link[0].onClick(widget);
            } else if (action == MotionEvent.ACTION_DOWN) {
                Selection.setSelection(buffer, buffer.getSpanStart(link[0]), buffer.getSpanEnd(link[0]));
            }
            return true;
        } else {
            Selection.removeSelection(buffer);
        }
    }
    return super.onTouchEvent(widget, buffer, event);
}

Example 8 with ClickableSpan

use of android.text.style.ClickableSpan in project platform_frameworks_base by android.

the class TextView method onTouchEvent.

@Override
public boolean onTouchEvent(MotionEvent event) {
    final int action = event.getActionMasked();
    if (mEditor != null) {
        mEditor.onTouchEvent(event);
        if (mEditor.mSelectionModifierCursorController != null && mEditor.mSelectionModifierCursorController.isDragAcceleratorActive()) {
            return true;
        }
    }
    final boolean superResult = super.onTouchEvent(event);
    /*
         * Don't handle the release after a long press, because it will move the selection away from
         * whatever the menu action was trying to affect. If the long press should have triggered an
         * insertion action mode, we can now actually show it.
         */
    if (mEditor != null && mEditor.mDiscardNextActionUp && action == MotionEvent.ACTION_UP) {
        mEditor.mDiscardNextActionUp = false;
        if (mEditor.mIsInsertionActionModeStartPending) {
            mEditor.startInsertionActionMode();
            mEditor.mIsInsertionActionModeStartPending = false;
        }
        return superResult;
    }
    final boolean touchIsFinished = (action == MotionEvent.ACTION_UP) && (mEditor == null || !mEditor.mIgnoreActionUpEvent) && isFocused();
    if ((mMovement != null || onCheckIsTextEditor()) && isEnabled() && mText instanceof Spannable && mLayout != null) {
        boolean handled = false;
        if (mMovement != null) {
            handled |= mMovement.onTouchEvent(this, (Spannable) mText, event);
        }
        final boolean textIsSelectable = isTextSelectable();
        if (touchIsFinished && mLinksClickable && mAutoLinkMask != 0 && textIsSelectable) {
            // The LinkMovementMethod which should handle taps on links has not been installed
            // on non editable text that support text selection.
            // We reproduce its behavior here to open links for these.
            ClickableSpan[] links = ((Spannable) mText).getSpans(getSelectionStart(), getSelectionEnd(), ClickableSpan.class);
            if (links.length > 0) {
                links[0].onClick(this);
                handled = true;
            }
        }
        if (touchIsFinished && (isTextEditable() || textIsSelectable)) {
            // Show the IME, except when selecting in read-only text.
            final InputMethodManager imm = InputMethodManager.peekInstance();
            viewClicked(imm);
            if (!textIsSelectable && mEditor.mShowSoftInputOnFocus) {
                handled |= imm != null && imm.showSoftInput(this, 0);
            }
            // The above condition ensures that the mEditor is not null
            mEditor.onTouchUpEvent(event);
            handled = true;
        }
        if (handled) {
            return true;
        }
    }
    return superResult;
}

Example 9 with ClickableSpan

use of android.text.style.ClickableSpan in project XobotOS by xamarin.

the class LinkMovementMethod method action.

private boolean action(int what, TextView widget, Spannable buffer) {
    Layout layout = widget.getLayout();
    int padding = widget.getTotalPaddingTop() + widget.getTotalPaddingBottom();
    int areatop = widget.getScrollY();
    int areabot = areatop + widget.getHeight() - padding;
    int linetop = layout.getLineForVertical(areatop);
    int linebot = layout.getLineForVertical(areabot);
    int first = layout.getLineStart(linetop);
    int last = layout.getLineEnd(linebot);
    ClickableSpan[] candidates = buffer.getSpans(first, last, ClickableSpan.class);
    int a = Selection.getSelectionStart(buffer);
    int b = Selection.getSelectionEnd(buffer);
    int selStart = Math.min(a, b);
    int selEnd = Math.max(a, b);
    if (selStart < 0) {
        if (buffer.getSpanStart(FROM_BELOW) >= 0) {
            selStart = selEnd = buffer.length();
        }
    }
    if (selStart > last)
        selStart = selEnd = Integer.MAX_VALUE;
    if (selEnd < first)
        selStart = selEnd = -1;
    switch(what) {
        case CLICK:
            if (selStart == selEnd) {
                return false;
            }
            ClickableSpan[] link = buffer.getSpans(selStart, selEnd, ClickableSpan.class);
            if (link.length != 1)
                return false;
            link[0].onClick(widget);
            break;
        case UP:
            int beststart, bestend;
            beststart = -1;
            bestend = -1;
            for (int i = 0; i < candidates.length; i++) {
                int end = buffer.getSpanEnd(candidates[i]);
                if (end < selEnd || selStart == selEnd) {
                    if (end > bestend) {
                        beststart = buffer.getSpanStart(candidates[i]);
                        bestend = end;
                    }
                }
            }
            if (beststart >= 0) {
                Selection.setSelection(buffer, bestend, beststart);
                return true;
            }
            break;
        case DOWN:
            beststart = Integer.MAX_VALUE;
            bestend = Integer.MAX_VALUE;
            for (int i = 0; i < candidates.length; i++) {
                int start = buffer.getSpanStart(candidates[i]);
                if (start > selStart || selStart == selEnd) {
                    if (start < beststart) {
                        beststart = start;
                        bestend = buffer.getSpanEnd(candidates[i]);
                    }
                }
            }
            if (bestend < Integer.MAX_VALUE) {
                Selection.setSelection(buffer, beststart, bestend);
                return true;
            }
            break;
    }
    return false;
}

Example 10 with ClickableSpan

use of android.text.style.ClickableSpan in project XobotOS by xamarin.

the class LinkMovementMethod method onTouchEvent.

@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
    int action = event.getAction();
    if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_DOWN) {
        int x = (int) event.getX();
        int y = (int) event.getY();
        x -= widget.getTotalPaddingLeft();
        y -= widget.getTotalPaddingTop();
        x += widget.getScrollX();
        y += widget.getScrollY();
        Layout layout = widget.getLayout();
        int line = layout.getLineForVertical(y);
        int off = layout.getOffsetForHorizontal(line, x);
        ClickableSpan[] link = buffer.getSpans(off, off, ClickableSpan.class);
        if (link.length != 0) {
            if (action == MotionEvent.ACTION_UP) {
                link[0].onClick(widget);
            } else if (action == MotionEvent.ACTION_DOWN) {
                Selection.setSelection(buffer, buffer.getSpanStart(link[0]), buffer.getSpanEnd(link[0]));
            }
            return true;
        } else {
            Selection.removeSelection(buffer);
        }
    }
    return super.onTouchEvent(widget, buffer, event);
}