@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
if (event.getAction() != MotionEvent.ACTION_UP)
return super.onTouchEvent(widget, buffer, event);
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);
URLSpan[] link = buffer.getSpans(off, off, URLSpan.class);
if (link.length != 0) {
onLinkClick(link[0].getURL());
}
return true;
}
private boolean shouldEnableDescription(TextView mDescription) {
Layout layout = mDescription.getLayout();
if (layout != null && layout.getEllipsisCount(mDescription.getLineCount() - 1) > 0) {
return true;
}
return false;
}
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case BluetoothConnection.MESSAGE_READ:
byte[] readBuf = (byte[]) msg.obj;
// construct a string from the valid bytes in the buffer
String readMessage = new String(readBuf, 0, msg.arg1);
// mConversationArrayAdapter.add(mConnectedDeviceName+": " +
// readMessage);
// debug(readMessage);
// Indicate scanning in the title
TextView displayedTextBox = (TextView) findViewById(R.id.recieved_text);
displayedTextBox.append(readMessage);
final int scrollAmount =
displayedTextBox.getLayout().getLineTop(displayedTextBox.getLineCount())
- displayedTextBox.getHeight();
// if there is no need to scroll, scrollAmount will be <=0
if (scrollAmount > 0) {
displayedTextBox.scrollTo(0, scrollAmount);
}
// else {
// displayedTextBox.scrollTo(0,0);
// }
}
}
private static int getLineAtCoordinate(float y, TextView tv, Layout layout) {
if (tv.getLayout() == null) {
y -= tv.getCompoundPaddingTop();
} else {
y -= tv.getTotalPaddingTop();
}
// Clamp the position to inside of the view.
y = Math.max(0.0f, y);
float bottom = tv.getHeight() - 1;
if (tv.getLayout() == null) {
bottom -= tv.getCompoundPaddingBottom();
} else {
bottom -= tv.getTotalPaddingBottom();
}
y = Math.min(bottom, y);
y += tv.getScrollY();
return layout.getLineForVertical((int) y);
}
private static float convertToLocalHorizontalCoordinate(float x, TextView tv) {
if (tv.getLayout() == null) {
x -= tv.getCompoundPaddingLeft();
} else {
x -= tv.getTotalPaddingLeft();
}
// Clamp the position to inside of the view.
x = Math.max(0.0f, x);
float rightSide = tv.getWidth() - 1;
if (tv.getLayout() == null) {
rightSide -= tv.getCompoundPaddingRight();
} else {
rightSide -= tv.getTotalPaddingRight();
}
x = Math.min(rightSide, x);
x += tv.getScrollX();
return x;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
CharSequence text = getText();
int action = event.getAction();
if (!(text instanceof Spannable)) {
return super.onTouchEvent(event);
}
Spannable buffer = (Spannable) text;
if (action == MotionEvent.ACTION_UP
|| action == MotionEvent.ACTION_DOWN
|| action == MotionEvent.ACTION_MOVE) {
TextView widget = this;
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);
URLSpan[] link = buffer.getSpans(off, off, URLSpan.class);
if (link.length != 0) {
if (action == MotionEvent.ACTION_UP) {
if (mCurrentLink == link[0]) {
link[0].onClick(widget);
}
mCurrentLink = null;
buffer.removeSpan(mLinkFocusStyle);
} else if (action == MotionEvent.ACTION_DOWN) {
mCurrentLink = link[0];
buffer.setSpan(
mLinkFocusStyle,
buffer.getSpanStart(link[0]),
buffer.getSpanEnd(link[0]),
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
}
return true;
}
}
mCurrentLink = null;
buffer.removeSpan(mLinkFocusStyle);
return super.onTouchEvent(event);
}
public boolean onTouchEvent(TextView widget, final Spannable buffer, MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_DOWN)
position = event.getY(); // used to see if the user scrolled or not
if (!(event.getAction() == MotionEvent.ACTION_UP
|| event.getAction() == MotionEvent.ACTION_DOWN)) {
if (Math.abs((position - event.getY())) > 10) {
handler.removeCallbacksAndMessages(null);
Log.v(LogUtil.getTag(), "POSITION NOT CLICK IS " + event.getY());
}
return super.onTouchEvent(widget, buffer, event);
}
Log.v(LogUtil.getTag(), "POSITION IS " + position);
comm = (SpoilerRobotoTextView) widget;
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);
final int off = layout.getOffsetForHorizontal(line, x);
link = buffer.getSpans(off, off, URLSpan.class);
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
clickHandled = false;
if (link.length != 0) {
handler.postDelayed(longClicked, android.view.ViewConfiguration.getLongPressTimeout());
}
break;
case MotionEvent.ACTION_UP:
handler.removeCallbacksAndMessages(null);
if (!clickHandled) {
// regular click
if (link.length != 0) {
int i = 0;
if (sequence != null) {
i = ((Spannable) sequence).getSpanEnd(link[0]);
}
onLinkClick(link[0].getURL(), i);
}
}
break;
}
return true;
}
private boolean right(TextView widget, Spannable buffer) {
if (DBG) {
Log.d(LOG_TAG, "--- right:");
}
Layout layout = widget.getLayout();
int to = layout.getOffsetToRightOf(getEndPos(widget));
mManager.setSelectedEndPos(to);
mManager.onCursorMoved();
return true;
}
private Integer findOffsetForPosition(float x, float y) {
if (childView == null || childView.getLayout() == null) {
return null;
}
Layout layout = this.childView.getLayout();
int line = layout.getLineForVertical((int) y);
return layout.getOffsetForHorizontal(line, x);
}
/**
* Helper method to pretty print object in the result_text field
*
* @param object
*/
private void println(Object object) {
if (resultText == null) return;
StringBuffer sb = new StringBuffer(resultText.getText());
String text;
if (object == null) {
text = "null";
} else {
text = object.toString();
}
sb.append(text).append("\n");
resultText.setText(sb);
// Auto scroll to bottom if needed
if (resultText.getLayout() != null) {
int scroll =
resultText.getLayout().getLineTop(resultText.getLineCount()) - resultText.getHeight();
resultText.scrollTo(0, scroll > 0 ? scroll : 0);
}
}
private void writeLog(String s) {
TextView loginfo = (TextView) findViewById(R.id.info_area);
loginfo.append(s + "\n");
// find the amount we need to scroll. This works by
// asking the TextView's internal layout for the position
// of the final line and then subtracting the TextView's height
final int scrollAmount =
loginfo.getLayout().getLineTop(loginfo.getLineCount()) - loginfo.getHeight();
// if there is no need to scroll, scrollAmount will be <=0
if (scrollAmount > 0) loginfo.scrollTo(0, scrollAmount);
else loginfo.scrollTo(0, 0);
}
/** 覆寫觸控事件，分辨出是否為連結的點擊。 */
@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
int action = event.getAction(); // 取得事件類型
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) { // 是連結點擊
if (widget instanceof LinkTextView) { // 如果實體是LinkTextView
((LinkTextView) widget).linkHit = true;
}
if (action == MotionEvent.ACTION_UP) { // 放開時
// link[0].onClick(widget); // 開啟連結
String url = ((URLSpan) link[0]).getURL();
Utils.clickUrl(widget, url);
} else if (action == MotionEvent.ACTION_DOWN) { // 按下時
Selection.setSelection(
buffer, buffer.getSpanStart(link[0]), buffer.getSpanEnd(link[0])); // 選擇連結
}
return true;
} else { // 不是連結點擊
if (widget instanceof LinkTextView) { // 如果實體是LinkTextView
((LinkTextView) widget).linkHit = false;
}
Selection.removeSelection(buffer);
Touch.onTouchEvent(widget, buffer, event);
return false;
}
}
return Touch.onTouchEvent(widget, buffer, event);
}
private boolean down(TextView widget, Spannable buffer) {
if (DBG) {
Log.d(LOG_TAG, "--- down:");
}
Layout layout = widget.getLayout();
int end = getEndPos(widget);
int line = layout.getLineForOffset(end);
if (line < layout.getLineCount() - 1) {
int to;
if (layout.getParagraphDirection(line) == layout.getParagraphDirection(line + 1)) {
float h = layout.getPrimaryHorizontal(end);
to = layout.getOffsetForHorizontal(line + 1, h);
} else {
to = layout.getLineStart(line + 1);
}
mManager.setSelectedEndPos(to);
mManager.onCursorMoved();
return true;
}
return false;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
TextView widget = (TextView) this;
Object text = widget.getText();
if (text instanceof Spanned) {
Spannable buffer = (Spannable) text;
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;
}
}
}
return false;
}
@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);
}
commentView.invalidate();
return true;
} else {
// Changed this to propagate events
PostView.this.onTouchEvent(event);
return true;
}
} else {
PostView.this.onTouchEvent(event);
return true;
}
}
private TouchableSpan getPressedSpan(
TextView textView, Spannable spannable, MotionEvent event) {
int x = (int) event.getX();
int y = (int) event.getY();
x -= textView.getTotalPaddingLeft();
y -= textView.getTotalPaddingTop();
x += textView.getScrollX();
y += textView.getScrollY();
Layout layout = textView.getLayout();
int line = layout.getLineForVertical(y);
int off = layout.getOffsetForHorizontal(line, x);
TouchableSpan[] link = spannable.getSpans(off, off, TouchableSpan.class);
TouchableSpan touchedSpan = null;
if (link.length > 0) {
touchedSpan = link[0];
}
return touchedSpan;
}
public void statusUpdate(String msg) {
TextView tv = (TextView) MyApp.context.findViewById(R.id.textview);
tv.append(msg);
try {
int lineTop = 0;
try {
lineTop = tv.getLayout().getLineTop(tv.getLineCount());
} catch (Throwable e) {
lineTop = 0;
}
final int scrollAmount = lineTop - tv.getHeight();
if (scrollAmount > 0) {
tv.scrollTo(0, scrollAmount);
} else {
tv.scrollTo(0, 0);
}
} catch (Throwable e) {
Log.i(MyApp.TAG, e.getMessage().toString());
}
}
@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
if (mGray == null) {
mGray =
new BackgroundColorSpan(
widget.getContext().getResources().getColor(R.color.selector_gray));
}
mIsLinkHit = false;
int action = event.getAction();
if (action == MotionEvent.ACTION_DOWN || action == MotionEvent.ACTION_UP) {
int x = (int) event.getX();
int y = (int) event.getY();
/*if (DEBUG) {
Log.d(TAG, "x = " + x + " y = " + y);
}*/
x -= widget.getTotalPaddingLeft();
y -= widget.getTotalPaddingTop();
/*if (DEBUG) {
Log.d(TAG, "x = " + x + " y = " + y);
}*/
x += widget.getScrollX();
y += widget.getScrollY();
int line = widget.getLayout().getLineForVertical(y);
int offset = widget.getLayout().getOffsetForHorizontal(line, x);
ClickableSpan[] spans = buffer.getSpans(offset, offset, ClickableSpan.class);
/*if (DEBUG) {
Log.d(TAG, "x = " + x + " y = " + y);
Log.d(TAG, "line = " + line + " offset = " + offset);
Log.d(TAG, "spans.lenth = " + spans.length);
}*/
if (spans.length != 0) {
int start = buffer.getSpanStart(spans[0]);
int end = buffer.getSpanEnd(spans[0]);
mIsLinkHit = true;
if (action == MotionEvent.ACTION_DOWN) {
/*if (DEBUG) {
Log.d(TAG, "Down event detected");
}*/
buffer.setSpan(mGray, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
} else if (action == MotionEvent.ACTION_UP) {
/*if (DEBUG) {
Log.d(TAG, "Up event detected");
}*/
spans[0].onClick(widget);
buffer.removeSpan(mGray);
}
return true;
}
} else {
buffer.removeSpan(mGray);
}
return Touch.onTouchEvent(widget, buffer, event);
}
@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
int action = event.getAction();
if (action == MotionEvent.ACTION_UP
|| action == MotionEvent.ACTION_DOWN
|| action == MotionEvent.ACTION_CANCEL) {
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) {
// 按下后松开，移除所有 BackgroundColorSpan。
BackgroundColorSpan[] backgroundColorSpans =
buffer.getSpans(0, buffer.length(), BackgroundColorSpan.class);
for (BackgroundColorSpan bkcolor : backgroundColorSpans) {
buffer.removeSpan(bkcolor);
}
// Selection.removeSelection(buffer);
link[0].onClick(widget);
} else if (action == MotionEvent.ACTION_DOWN) {
// 按下，给按下的 ClickableSpan 设置 BackgroundColorSpan。
/*
Selection.setSelection(buffer,
buffer.getSpanStart(link[0]),
buffer.getSpanEnd(link[0]));
*/
BackgroundColorSpan bkcolor = new BackgroundColorSpan(0xff89660f);
buffer.setSpan(
bkcolor,
buffer.getSpanStart(link[0]),
buffer.getSpanEnd(link[0]),
Spanned.SPAN_INCLUSIVE_INCLUSIVE);
} else if (action == MotionEvent.ACTION_CANCEL) {
// 按下不松开而是移动，则变成取消事件，移除所有 BackgroundColorSpan。
BackgroundColorSpan[] backgroundColorSpans =
buffer.getSpans(0, buffer.length(), BackgroundColorSpan.class);
for (BackgroundColorSpan bkcolor : backgroundColorSpans) {
buffer.removeSpan(bkcolor);
}
}
return true;
} else {
BackgroundColorSpan[] backgroundColorSpans =
buffer.getSpans(0, buffer.length(), BackgroundColorSpan.class);
for (BackgroundColorSpan bkcolor : backgroundColorSpans) {
buffer.removeSpan(bkcolor);
}
// Selection.removeSelection(buffer);
}
}
return super.onTouchEvent(widget, buffer, event);
}