276 lines
8.6 KiB
Java
276 lines
8.6 KiB
Java
package org.thoughtcrime.securesms.scribbles;
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import android.annotation.TargetApi;
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import android.content.Intent;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.graphics.Color;
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import android.graphics.PointF;
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import android.net.Uri;
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import android.os.AsyncTask;
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import android.os.Build;
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import android.os.Bundle;
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import android.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import android.util.Log;
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import android.view.View;
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import org.thoughtcrime.securesms.PassphraseRequiredActionBarActivity;
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import org.thoughtcrime.securesms.R;
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import org.thoughtcrime.securesms.crypto.MasterSecret;
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import org.thoughtcrime.securesms.providers.PersistentBlobProvider;
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import org.thoughtcrime.securesms.scribbles.viewmodel.Font;
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import org.thoughtcrime.securesms.scribbles.viewmodel.Layer;
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import org.thoughtcrime.securesms.scribbles.viewmodel.TextLayer;
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import org.thoughtcrime.securesms.scribbles.widget.MotionView;
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import org.thoughtcrime.securesms.scribbles.widget.ScribbleView;
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import org.thoughtcrime.securesms.scribbles.widget.VerticalSlideColorPicker;
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import org.thoughtcrime.securesms.scribbles.widget.entity.ImageEntity;
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import org.thoughtcrime.securesms.scribbles.widget.entity.MotionEntity;
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import org.thoughtcrime.securesms.scribbles.widget.entity.TextEntity;
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import org.thoughtcrime.securesms.util.MediaUtil;
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import org.thoughtcrime.securesms.util.Util;
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import org.thoughtcrime.securesms.util.concurrent.ListenableFuture;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.util.concurrent.ExecutionException;
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@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
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public class ScribbleActivity extends PassphraseRequiredActionBarActivity implements ScribbleToolbar.ScribbleToolbarListener, VerticalSlideColorPicker.OnColorChangeListener {
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private static final String TAG = ScribbleActivity.class.getName();
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public static final int SELECT_STICKER_REQUEST_CODE = 123;
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public static final int SCRIBBLE_REQUEST_CODE = 31424;
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private VerticalSlideColorPicker colorPicker;
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private ScribbleToolbar toolbar;
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private ScribbleView scribbleView;
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private MasterSecret masterSecret;
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@Override
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protected void onCreate(Bundle savedInstanceState, @NonNull MasterSecret masterSecret) {
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setContentView(R.layout.scribble_activity);
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this.masterSecret = masterSecret;
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this.scribbleView = (ScribbleView) findViewById(R.id.scribble_view);
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this.toolbar = (ScribbleToolbar) findViewById(R.id.toolbar);
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this.colorPicker = (VerticalSlideColorPicker) findViewById(R.id.scribble_color_picker);
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this.toolbar.setListener(this);
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this.toolbar.setToolColor(Color.RED);
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scribbleView.setMotionViewCallback(motionViewCallback);
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scribbleView.setDrawingMode(false);
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scribbleView.setImage(getIntent().getData(), masterSecret);
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colorPicker.setOnColorChangeListener(this);
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colorPicker.setVisibility(View.GONE);
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setSupportActionBar(toolbar);
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getSupportActionBar().setDisplayHomeAsUpEnabled(false);
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getSupportActionBar().setTitle(null);
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}
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private void addSticker(final Bitmap pica) {
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Util.runOnMain(() -> {
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Layer layer = new Layer();
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ImageEntity entity = new ImageEntity(layer, pica, scribbleView.getWidth(), scribbleView.getHeight());
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scribbleView.addEntityAndPosition(entity);
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});
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}
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private void changeTextEntityColor(int selectedColor) {
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TextEntity textEntity = currentTextEntity();
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if (textEntity == null) {
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return;
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}
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textEntity.getLayer().getFont().setColor(selectedColor);
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textEntity.updateEntity();
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scribbleView.invalidate();
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}
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private void startTextEntityEditing() {
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TextEntity textEntity = currentTextEntity();
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if (textEntity != null) {
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scribbleView.startEditing(textEntity);
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}
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}
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@Nullable
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private TextEntity currentTextEntity() {
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if (scribbleView != null && scribbleView.getSelectedEntity() instanceof TextEntity) {
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return ((TextEntity) scribbleView.getSelectedEntity());
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} else {
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return null;
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}
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}
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protected void addTextSticker() {
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TextLayer textLayer = createTextLayer();
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TextEntity textEntity = new TextEntity(textLayer, scribbleView.getWidth(), scribbleView.getHeight());
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scribbleView.addEntityAndPosition(textEntity);
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// move text sticker up so that its not hidden under keyboard
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PointF center = textEntity.absoluteCenter();
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center.y = center.y * 0.5F;
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textEntity.moveCenterTo(center);
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// redraw
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scribbleView.invalidate();
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startTextEntityEditing();
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changeTextEntityColor(toolbar.getToolColor());
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}
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private TextLayer createTextLayer() {
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TextLayer textLayer = new TextLayer();
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Font font = new Font();
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font.setColor(TextLayer.Limits.INITIAL_FONT_COLOR);
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font.setSize(TextLayer.Limits.INITIAL_FONT_SIZE);
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textLayer.setFont(font);
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return textLayer;
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}
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@Override
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protected void onActivityResult(int requestCode, int resultCode, Intent data) {
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super.onActivityResult(requestCode, resultCode, data);
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if (resultCode == RESULT_OK) {
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if (requestCode == SELECT_STICKER_REQUEST_CODE) {
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if (data != null) {
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toolbar.setStickerSelected(true);
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final String stickerFile = data.getStringExtra(StickerSelectActivity.EXTRA_STICKER_FILE);
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new AsyncTask<Void, Void, Bitmap>() {
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@Override
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protected @Nullable
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Bitmap doInBackground(Void... params) {
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try {
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return BitmapFactory.decodeStream(getAssets().open(stickerFile));
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} catch (IOException e) {
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Log.w(TAG, e);
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return null;
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}
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}
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@Override
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protected void onPostExecute(@Nullable Bitmap bitmap) {
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addSticker(bitmap);
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}
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}.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
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}
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}
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}
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}
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@Override
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public void onBrushSelected(boolean enabled) {
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scribbleView.setDrawingMode(enabled);
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colorPicker.setVisibility(enabled ? View.VISIBLE : View.GONE);
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}
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@Override
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public void onPaintUndo() {
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scribbleView.undoDrawing();
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}
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@Override
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public void onTextSelected(boolean enabled) {
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if (enabled) {
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addTextSticker();
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scribbleView.setDrawingMode(false);
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colorPicker.setVisibility(View.VISIBLE);
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} else {
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scribbleView.clearSelection();
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colorPicker.setVisibility(View.GONE);
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}
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}
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@Override
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public void onStickerSelected(boolean enabled) {
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colorPicker.setVisibility(View.GONE);
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if (!enabled) {
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scribbleView.clearSelection();
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} else {
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scribbleView.setDrawingMode(false);
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Intent intent = new Intent(this, StickerSelectActivity.class);
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startActivityForResult(intent, SELECT_STICKER_REQUEST_CODE);
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}
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}
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public void onDeleteSelected() {
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scribbleView.deleteSelected();
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colorPicker.setVisibility(View.GONE);
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}
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@Override
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public void onSave() {
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ListenableFuture<Bitmap> future = scribbleView.getRenderedImage();
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future.addListener(new ListenableFuture.Listener<Bitmap>() {
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@Override
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public void onSuccess(Bitmap result) {
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PersistentBlobProvider provider = PersistentBlobProvider.getInstance(ScribbleActivity.this);
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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result.compress(Bitmap.CompressFormat.JPEG, 80, baos);
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byte[] data = baos.toByteArray();
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baos = null;
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result = null;
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Uri uri = provider.create(masterSecret, data, MediaUtil.IMAGE_JPEG, null);
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Intent intent = new Intent();
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intent.setData(uri);
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setResult(RESULT_OK, intent);
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finish();
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}
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@Override
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public void onFailure(ExecutionException e) {
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Log.w(TAG, e);
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}
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});
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}
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private final MotionView.MotionViewCallback motionViewCallback = new MotionView.MotionViewCallback() {
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@Override
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public void onEntitySelected(@Nullable MotionEntity entity) {
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if (entity == null) {
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toolbar.setNoneSelected();
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colorPicker.setVisibility(View.GONE);
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} else if (entity instanceof TextEntity) {
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toolbar.setTextSelected(true);
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colorPicker.setVisibility(View.VISIBLE);
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} else {
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toolbar.setStickerSelected(true);
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colorPicker.setVisibility(View.GONE);
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}
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}
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@Override
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public void onEntityDoubleTap(@NonNull MotionEntity entity) {
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startTextEntityEditing();
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}
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};
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@Override
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public void onColorChange(int color) {
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if (color == 0) color = Color.RED;
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toolbar.setToolColor(color);
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scribbleView.setDrawingBrushColor(color);
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changeTextEntityColor(color);
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}
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}
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