diff options
Diffstat (limited to 'src/main/java/yuku/ambilwarna/AmbilWarnaDialog.java')
| -rw-r--r-- | src/main/java/yuku/ambilwarna/AmbilWarnaDialog.java | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/src/main/java/yuku/ambilwarna/AmbilWarnaDialog.java b/src/main/java/yuku/ambilwarna/AmbilWarnaDialog.java deleted file mode 100644 index e553ed10..00000000 --- a/src/main/java/yuku/ambilwarna/AmbilWarnaDialog.java +++ /dev/null @@ -1,300 +0,0 @@ -package yuku.ambilwarna; - -import android.app.AlertDialog; -import android.content.Context; -import android.content.DialogInterface; -import android.content.DialogInterface.OnCancelListener; -import android.graphics.Color; -import android.graphics.drawable.GradientDrawable; -import android.view.LayoutInflater; -import android.view.MotionEvent; -import android.view.View; -import android.view.ViewGroup; -import android.view.ViewTreeObserver; -import android.widget.ImageView; -import android.widget.RelativeLayout; - -import eu.siacs.conversations.R; - -public class AmbilWarnaDialog { - public interface OnAmbilWarnaListener { - void onCancel(AmbilWarnaDialog dialog); - - void onOk(AmbilWarnaDialog dialog, int color); - } - - final AlertDialog dialog; - private final boolean supportsAlpha; - final OnAmbilWarnaListener listener; - final View viewHue; - final AmbilWarnaSquare viewSatVal; - final ImageView viewCursor; - final ImageView viewAlphaCursor; - final View viewOldColor; - final View viewNewColor; - final View viewAlphaOverlay; - final ImageView viewTarget; - final ImageView viewAlphaCheckered; - final ViewGroup viewContainer; - final float[] currentColorHsv = new float[3]; - int alpha; - - /** - * Create an AmbilWarnaDialog. - * - * @param context activity context - * @param color current color - * @param listener an OnAmbilWarnaListener, allowing you to get back error or OK - */ - public AmbilWarnaDialog(final Context context, int color, OnAmbilWarnaListener listener) { - this(context, color, false, listener); - } - - /** - * Create an AmbilWarnaDialog. - * - * @param context activity context - * @param color current color - * @param supportsAlpha whether alpha/transparency controls are enabled - * @param listener an OnAmbilWarnaListener, allowing you to get back error or OK - */ - public AmbilWarnaDialog(final Context context, int color, boolean supportsAlpha, OnAmbilWarnaListener listener) { - this.supportsAlpha = supportsAlpha; - this.listener = listener; - - if (!supportsAlpha) { // remove alpha if not supported - color = color | 0xff000000; - } - - Color.colorToHSV(color, currentColorHsv); - alpha = Color.alpha(color); - - final View view = LayoutInflater.from(context).inflate(R.layout.ambilwarna_dialog, null); - viewHue = view.findViewById(R.id.ambilwarna_viewHue); - viewSatVal = (AmbilWarnaSquare) view.findViewById(R.id.ambilwarna_viewSatBri); - viewCursor = (ImageView) view.findViewById(R.id.ambilwarna_cursor); - viewOldColor = view.findViewById(R.id.ambilwarna_oldColor); - viewNewColor = view.findViewById(R.id.ambilwarna_newColor); - viewTarget = (ImageView) view.findViewById(R.id.ambilwarna_target); - viewContainer = (ViewGroup) view.findViewById(R.id.ambilwarna_viewContainer); - viewAlphaOverlay = view.findViewById(R.id.ambilwarna_overlay); - viewAlphaCursor = (ImageView) view.findViewById(R.id.ambilwarna_alphaCursor); - viewAlphaCheckered = (ImageView) view.findViewById(R.id.ambilwarna_alphaCheckered); - - { // hide/show alpha - viewAlphaOverlay.setVisibility(supportsAlpha? View.VISIBLE: View.GONE); - viewAlphaCursor.setVisibility(supportsAlpha? View.VISIBLE: View.GONE); - viewAlphaCheckered.setVisibility(supportsAlpha? View.VISIBLE: View.GONE); - } - - viewSatVal.setHue(getHue()); - viewOldColor.setBackgroundColor(color); - viewNewColor.setBackgroundColor(color); - - viewHue.setOnTouchListener(new View.OnTouchListener() { - @Override - public boolean onTouch(View v, MotionEvent event) { - if (event.getAction() == MotionEvent.ACTION_MOVE - || event.getAction() == MotionEvent.ACTION_DOWN - || event.getAction() == MotionEvent.ACTION_UP) { - - float y = event.getY(); - if (y < 0.f) y = 0.f; - if (y > viewHue.getMeasuredHeight()) { - y = viewHue.getMeasuredHeight() - 0.001f; // to avoid jumping the cursor from bottom to top. - } - float hue = 360.f - 360.f / viewHue.getMeasuredHeight() * y; - if (hue == 360.f) hue = 0.f; - setHue(hue); - - // update view - viewSatVal.setHue(getHue()); - moveCursor(); - viewNewColor.setBackgroundColor(getColor()); - updateAlphaView(); - return true; - } - return false; - } - }); - - if (supportsAlpha) viewAlphaCheckered.setOnTouchListener(new View.OnTouchListener() { - @Override - public boolean onTouch(View v, MotionEvent event) { - if ((event.getAction() == MotionEvent.ACTION_MOVE) - || (event.getAction() == MotionEvent.ACTION_DOWN) - || (event.getAction() == MotionEvent.ACTION_UP)) { - - float y = event.getY(); - if (y < 0.f) { - y = 0.f; - } - if (y > viewAlphaCheckered.getMeasuredHeight()) { - y = viewAlphaCheckered.getMeasuredHeight() - 0.001f; // to avoid jumping the cursor from bottom to top. - } - final int a = Math.round(255.f - ((255.f / viewAlphaCheckered.getMeasuredHeight()) * y)); - AmbilWarnaDialog.this.setAlpha(a); - - // update view - moveAlphaCursor(); - int col = AmbilWarnaDialog.this.getColor(); - int c = a << 24 | col & 0x00ffffff; - viewNewColor.setBackgroundColor(c); - return true; - } - return false; - } - }); - viewSatVal.setOnTouchListener(new View.OnTouchListener() { - @Override - public boolean onTouch(View v, MotionEvent event) { - if (event.getAction() == MotionEvent.ACTION_MOVE - || event.getAction() == MotionEvent.ACTION_DOWN - || event.getAction() == MotionEvent.ACTION_UP) { - - float x = event.getX(); // touch event are in dp units. - float y = event.getY(); - - if (x < 0.f) x = 0.f; - if (x > viewSatVal.getMeasuredWidth()) x = viewSatVal.getMeasuredWidth(); - if (y < 0.f) y = 0.f; - if (y > viewSatVal.getMeasuredHeight()) y = viewSatVal.getMeasuredHeight(); - - setSat(1.f / viewSatVal.getMeasuredWidth() * x); - setVal(1.f - (1.f / viewSatVal.getMeasuredHeight() * y)); - - // update view - moveTarget(); - viewNewColor.setBackgroundColor(getColor()); - - return true; - } - return false; - } - }); - - dialog = new AlertDialog.Builder(context) - .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int which) { - if (AmbilWarnaDialog.this.listener != null) { - AmbilWarnaDialog.this.listener.onOk(AmbilWarnaDialog.this, getColor()); - } - } - }) - .setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int which) { - if (AmbilWarnaDialog.this.listener != null) { - AmbilWarnaDialog.this.listener.onCancel(AmbilWarnaDialog.this); - } - } - }) - .setOnCancelListener(new OnCancelListener() { - // if back button is used, call back our listener. - @Override - public void onCancel(DialogInterface paramDialogInterface) { - if (AmbilWarnaDialog.this.listener != null) { - AmbilWarnaDialog.this.listener.onCancel(AmbilWarnaDialog.this); - } - - } - }) - .create(); - // kill all padding from the dialog window - dialog.setView(view, 0, 0, 0, 0); - - // move cursor & target on first draw - ViewTreeObserver vto = view.getViewTreeObserver(); - vto.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() { - @Override - public void onGlobalLayout() { - moveCursor(); - if (AmbilWarnaDialog.this.supportsAlpha) moveAlphaCursor(); - moveTarget(); - if (AmbilWarnaDialog.this.supportsAlpha) updateAlphaView(); - view.getViewTreeObserver().removeGlobalOnLayoutListener(this); - } - }); - } - - protected void moveCursor() { - float y = viewHue.getMeasuredHeight() - (getHue() * viewHue.getMeasuredHeight() / 360.f); - if (y == viewHue.getMeasuredHeight()) y = 0.f; - RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) viewCursor.getLayoutParams(); - layoutParams.leftMargin = (int) (viewHue.getLeft() - Math.floor(viewCursor.getMeasuredWidth() / 2) - viewContainer.getPaddingLeft()); - layoutParams.topMargin = (int) (viewHue.getTop() + y - Math.floor(viewCursor.getMeasuredHeight() / 2) - viewContainer.getPaddingTop()); - viewCursor.setLayoutParams(layoutParams); - } - - protected void moveTarget() { - float x = getSat() * viewSatVal.getMeasuredWidth(); - float y = (1.f - getVal()) * viewSatVal.getMeasuredHeight(); - RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) viewTarget.getLayoutParams(); - layoutParams.leftMargin = (int) (viewSatVal.getLeft() + x - Math.floor(viewTarget.getMeasuredWidth() / 2) - viewContainer.getPaddingLeft()); - layoutParams.topMargin = (int) (viewSatVal.getTop() + y - Math.floor(viewTarget.getMeasuredHeight() / 2) - viewContainer.getPaddingTop()); - viewTarget.setLayoutParams(layoutParams); - } - - protected void moveAlphaCursor() { - final int measuredHeight = this.viewAlphaCheckered.getMeasuredHeight(); - float y = measuredHeight - ((this.getAlpha() * measuredHeight) / 255.f); - final RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) this.viewAlphaCursor.getLayoutParams(); - layoutParams.leftMargin = (int) (this.viewAlphaCheckered.getLeft() - Math.floor(this.viewAlphaCursor.getMeasuredWidth() / 2) - this.viewContainer.getPaddingLeft()); - layoutParams.topMargin = (int) ((this.viewAlphaCheckered.getTop() + y) - Math.floor(this.viewAlphaCursor.getMeasuredHeight() / 2) - this.viewContainer.getPaddingTop()); - - this.viewAlphaCursor.setLayoutParams(layoutParams); - } - - private int getColor() { - final int argb = Color.HSVToColor(currentColorHsv); - return alpha << 24 | (argb & 0x00ffffff); - } - - private float getHue() { - return currentColorHsv[0]; - } - - private float getAlpha() { - return this.alpha; - } - - private float getSat() { - return currentColorHsv[1]; - } - - private float getVal() { - return currentColorHsv[2]; - } - - private void setHue(float hue) { - currentColorHsv[0] = hue; - } - - private void setSat(float sat) { - currentColorHsv[1] = sat; - } - - private void setAlpha(int alpha) { - this.alpha = alpha; - } - - private void setVal(float val) { - currentColorHsv[2] = val; - } - - public void show() { - dialog.show(); - } - - public AlertDialog getDialog() { - return dialog; - } - - private void updateAlphaView() { - final GradientDrawable gd = new GradientDrawable(GradientDrawable.Orientation.TOP_BOTTOM, new int[] { - Color.HSVToColor(currentColorHsv), 0x0 - }); - viewAlphaOverlay.setBackgroundDrawable(gd); - } -}
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