mirror of
https://github.com/oxen-io/session-android.git
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291 lines
9.4 KiB
Java
291 lines
9.4 KiB
Java
package org.thoughtcrime.securesms.scribbles;
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import android.content.Context;
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import android.graphics.Color;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.recyclerview.widget.LinearLayoutManager;
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import androidx.recyclerview.widget.RecyclerView;
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import android.util.AttributeSet;
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import android.view.View;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import network.loki.messenger.R;
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import org.thoughtcrime.securesms.scribbles.widget.ColorPaletteAdapter;
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import org.thoughtcrime.securesms.scribbles.widget.VerticalSlideColorPicker;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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/**
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* The HUD (heads-up display) that contains all of the tools for interacting with
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* {@link org.thoughtcrime.securesms.imageeditor.ImageEditorView}
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*/
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public final class ImageEditorHud extends LinearLayout {
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private View cropButton;
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private View cropFlipButton;
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private View cropRotateButton;
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private ImageView cropAspectLock;
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private View drawButton;
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private View highlightButton;
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private View textButton;
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private View stickerButton;
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private View undoButton;
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private View deleteButton;
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private View confirmButton;
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private VerticalSlideColorPicker colorPicker;
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private RecyclerView colorPalette;
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@NonNull
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private EventListener eventListener = NULL_EVENT_LISTENER;
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@Nullable
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private ColorPaletteAdapter colorPaletteAdapter;
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private final Map<Mode, Set<View>> visibilityModeMap = new HashMap<>();
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private final Set<View> allViews = new HashSet<>();
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private Mode currentMode;
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private boolean undoAvailable;
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public ImageEditorHud(@NonNull Context context) {
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super(context);
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initialize();
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}
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public ImageEditorHud(@NonNull Context context, @Nullable AttributeSet attrs) {
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super(context, attrs);
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initialize();
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}
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public ImageEditorHud(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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initialize();
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}
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private void initialize() {
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inflate(getContext(), R.layout.image_editor_hud, this);
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setOrientation(VERTICAL);
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cropButton = findViewById(R.id.scribble_crop_button);
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cropFlipButton = findViewById(R.id.scribble_crop_flip);
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cropRotateButton = findViewById(R.id.scribble_crop_rotate);
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cropAspectLock = findViewById(R.id.scribble_crop_aspect_lock);
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colorPalette = findViewById(R.id.scribble_color_palette);
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drawButton = findViewById(R.id.scribble_draw_button);
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highlightButton = findViewById(R.id.scribble_highlight_button);
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textButton = findViewById(R.id.scribble_text_button);
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stickerButton = findViewById(R.id.scribble_sticker_button);
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undoButton = findViewById(R.id.scribble_undo_button);
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deleteButton = findViewById(R.id.scribble_delete_button);
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confirmButton = findViewById(R.id.scribble_confirm_button);
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colorPicker = findViewById(R.id.scribble_color_picker);
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cropAspectLock.setOnClickListener(v -> {
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eventListener.onCropAspectLock(!eventListener.isCropAspectLocked());
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updateCropAspectLockImage(eventListener.isCropAspectLocked());
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});
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initializeViews();
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initializeVisibilityMap();
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setMode(Mode.NONE);
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}
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private void updateCropAspectLockImage(boolean cropAspectLocked) {
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cropAspectLock.setImageDrawable(getResources().getDrawable(cropAspectLocked ? R.drawable.ic_crop_lock_32 : R.drawable.ic_crop_unlock_32));
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}
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private void initializeVisibilityMap() {
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setVisibleViewsWhenInMode(Mode.NONE, drawButton, highlightButton, textButton, stickerButton, cropButton, undoButton);
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setVisibleViewsWhenInMode(Mode.DRAW, confirmButton, undoButton, colorPicker, colorPalette);
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setVisibleViewsWhenInMode(Mode.HIGHLIGHT, confirmButton, undoButton, colorPicker, colorPalette);
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setVisibleViewsWhenInMode(Mode.TEXT, confirmButton, deleteButton, colorPicker, colorPalette);
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setVisibleViewsWhenInMode(Mode.MOVE_DELETE, confirmButton, deleteButton);
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setVisibleViewsWhenInMode(Mode.CROP, confirmButton, cropFlipButton, cropRotateButton, cropAspectLock, undoButton);
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for (Set<View> views : visibilityModeMap.values()) {
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allViews.addAll(views);
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}
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}
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private void setVisibleViewsWhenInMode(Mode mode, View... views) {
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visibilityModeMap.put(mode, new HashSet<>(Arrays.asList(views)));
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}
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private void initializeViews() {
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undoButton.setOnClickListener(v -> eventListener.onUndo());
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deleteButton.setOnClickListener(v -> {
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eventListener.onDelete();
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setMode(Mode.NONE);
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});
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cropButton.setOnClickListener(v -> setMode(Mode.CROP));
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cropFlipButton.setOnClickListener(v -> eventListener.onFlipHorizontal());
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cropRotateButton.setOnClickListener(v -> eventListener.onRotate90AntiClockwise());
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confirmButton.setOnClickListener(v -> setMode(Mode.NONE));
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colorPaletteAdapter = new ColorPaletteAdapter();
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colorPaletteAdapter.setEventListener(colorPicker::setActiveColor);
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colorPalette.setLayoutManager(new LinearLayoutManager(getContext()));
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colorPalette.setAdapter(colorPaletteAdapter);
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drawButton.setOnClickListener(v -> setMode(Mode.DRAW));
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highlightButton.setOnClickListener(v -> setMode(Mode.HIGHLIGHT));
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textButton.setOnClickListener(v -> setMode(Mode.TEXT));
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stickerButton.setOnClickListener(v -> setMode(Mode.MOVE_DELETE));
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}
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public void setColorPalette(@NonNull Set<Integer> colors) {
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if (colorPaletteAdapter != null) {
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colorPaletteAdapter.setColors(colors);
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}
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}
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public int getActiveColor() {
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return colorPicker.getActiveColor();
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}
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public void setActiveColor(int color) {
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colorPicker.setActiveColor(color);
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}
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public void setEventListener(@Nullable EventListener eventListener) {
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this.eventListener = eventListener != null ? eventListener : NULL_EVENT_LISTENER;
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}
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public void enterMode(@NonNull Mode mode) {
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setMode(mode, false);
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}
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private void setMode(@NonNull Mode mode) {
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setMode(mode, true);
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}
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private void setMode(@NonNull Mode mode, boolean notify) {
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this.currentMode = mode;
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Set<View> visibleButtons = visibilityModeMap.get(mode);
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for (View button : allViews) {
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button.setVisibility(buttonIsVisible(visibleButtons, button) ? VISIBLE : GONE);
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}
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switch (mode) {
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case CROP: presentModeCrop(); break;
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case DRAW: presentModeDraw(); break;
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case HIGHLIGHT: presentModeHighlight(); break;
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case TEXT: presentModeText(); break;
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}
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if (notify) {
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eventListener.onModeStarted(mode);
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}
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eventListener.onRequestFullScreen(mode != Mode.NONE);
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}
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private boolean buttonIsVisible(@Nullable Set<View> visibleButtons, @NonNull View button) {
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return visibleButtons != null &&
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visibleButtons.contains(button) &&
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(button != undoButton || undoAvailable);
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}
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private void presentModeCrop() {
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updateCropAspectLockImage(eventListener.isCropAspectLocked());
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}
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private void presentModeDraw() {
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colorPicker.setOnColorChangeListener(standardOnColorChangeListener);
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colorPicker.setActiveColor(Color.RED);
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}
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private void presentModeHighlight() {
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colorPicker.setOnColorChangeListener(highlightOnColorChangeListener);
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colorPicker.setActiveColor(Color.YELLOW);
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}
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private void presentModeText() {
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colorPicker.setOnColorChangeListener(standardOnColorChangeListener);
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colorPicker.setActiveColor(Color.WHITE);
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}
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private final VerticalSlideColorPicker.OnColorChangeListener standardOnColorChangeListener = selectedColor -> eventListener.onColorChange(selectedColor);
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private final VerticalSlideColorPicker.OnColorChangeListener highlightOnColorChangeListener = selectedColor -> eventListener.onColorChange(replaceAlphaWith128(selectedColor));
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private static int replaceAlphaWith128(int color) {
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return color & ~0xff000000 | 0x80000000;
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}
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public void setUndoAvailability(boolean undoAvailable) {
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this.undoAvailable = undoAvailable;
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undoButton.setVisibility(buttonIsVisible(visibilityModeMap.get(currentMode), undoButton) ? VISIBLE : GONE);
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}
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public enum Mode {
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NONE, DRAW, HIGHLIGHT, TEXT, MOVE_DELETE, CROP
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}
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public interface EventListener {
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void onModeStarted(@NonNull Mode mode);
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void onColorChange(int color);
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void onUndo();
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void onDelete();
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void onFlipHorizontal();
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void onRotate90AntiClockwise();
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void onCropAspectLock(boolean locked);
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boolean isCropAspectLocked();
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void onRequestFullScreen(boolean fullScreen);
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}
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private static final EventListener NULL_EVENT_LISTENER = new EventListener() {
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@Override
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public void onModeStarted(@NonNull Mode mode) {
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}
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@Override
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public void onColorChange(int color) {
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}
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@Override
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public void onUndo() {
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}
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@Override
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public void onDelete() {
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}
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@Override
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public void onFlipHorizontal() {
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}
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@Override
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public void onRotate90AntiClockwise() {
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}
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@Override
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public void onCropAspectLock(boolean locked) {
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}
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@Override
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public boolean isCropAspectLocked() {
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return false;
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}
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@Override
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public void onRequestFullScreen(boolean fullScreen) {
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}
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};
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}
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