diff options
Diffstat (limited to 'src/com/android/gallery3d/filtershow/state/StatePanelTrack.java')
| -rw-r--r-- | src/com/android/gallery3d/filtershow/state/StatePanelTrack.java | 351 |
1 files changed, 0 insertions, 351 deletions
diff --git a/src/com/android/gallery3d/filtershow/state/StatePanelTrack.java b/src/com/android/gallery3d/filtershow/state/StatePanelTrack.java deleted file mode 100644 index fff7e7f5f..000000000 --- a/src/com/android/gallery3d/filtershow/state/StatePanelTrack.java +++ /dev/null @@ -1,351 +0,0 @@ -/* - * Copyright (C) 2013 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package com.android.gallery3d.filtershow.state; - -import android.animation.LayoutTransition; -import android.content.Context; -import android.content.res.TypedArray; -import android.database.DataSetObserver; -import android.graphics.Canvas; -import android.graphics.Point; -import android.graphics.Rect; -import android.util.AttributeSet; -import android.util.Log; -import android.view.GestureDetector; -import android.view.MotionEvent; -import android.view.View; -import android.view.ViewGroup; -import android.widget.Adapter; -import android.widget.LinearLayout; -import com.android.gallery3d.R; -import com.android.gallery3d.filtershow.FilterShowActivity; -import com.android.gallery3d.filtershow.editors.ImageOnlyEditor; -import com.android.gallery3d.filtershow.filters.FilterRepresentation; -import com.android.gallery3d.filtershow.imageshow.MasterImage; - -public class StatePanelTrack extends LinearLayout implements PanelTrack { - - private static final String LOGTAG = "StatePanelTrack"; - private Point mTouchPoint; - private StateView mCurrentView; - private StateView mCurrentSelectedView; - private boolean mExited = false; - private boolean mStartedDrag = false; - private StateAdapter mAdapter; - private DragListener mDragListener = new DragListener(this); - private float mDeleteSlope = 0.2f; - private GestureDetector mGestureDetector; - private int mElemWidth; - private int mElemHeight; - private int mElemSize; - private int mElemEndSize; - private int mEndElemWidth; - private int mEndElemHeight; - private long mTouchTime; - private int mMaxTouchDelay = 300; // 300ms delay for touch - private static final boolean ALLOWS_DRAG = false; - private DataSetObserver mObserver = new DataSetObserver() { - @Override - public void onChanged() { - super.onChanged(); - fillContent(false); - } - - @Override - public void onInvalidated() { - super.onInvalidated(); - fillContent(false); - } - }; - - public StatePanelTrack(Context context, AttributeSet attrs) { - super(context, attrs); - TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.StatePanelTrack); - mElemSize = a.getDimensionPixelSize(R.styleable.StatePanelTrack_elemSize, 0); - mElemEndSize = a.getDimensionPixelSize(R.styleable.StatePanelTrack_elemEndSize, 0); - if (getOrientation() == LinearLayout.HORIZONTAL) { - mElemWidth = mElemSize; - mElemHeight = LayoutParams.MATCH_PARENT; - mEndElemWidth = mElemEndSize; - mEndElemHeight = LayoutParams.MATCH_PARENT; - } else { - mElemWidth = LayoutParams.MATCH_PARENT; - mElemHeight = mElemSize; - mEndElemWidth = LayoutParams.MATCH_PARENT; - mEndElemHeight = mElemEndSize; - } - GestureDetector.SimpleOnGestureListener simpleOnGestureListener - = new GestureDetector.SimpleOnGestureListener(){ - @Override - public void onLongPress(MotionEvent e) { - longPress(e); - } - @Override - public boolean onDoubleTap(MotionEvent e) { - addDuplicate(e); - return true; - } - }; - mGestureDetector = new GestureDetector(context, simpleOnGestureListener); - } - - private void addDuplicate(MotionEvent e) { - if (mCurrentSelectedView == null) { - return; - } - int pos = findChild(mCurrentSelectedView); - if (pos != -1) { - mAdapter.insert(new State(mCurrentSelectedView.getState()), pos); - fillContent(true); - } - } - - private void longPress(MotionEvent e) { - View view = findChildAt((int) e.getX(), (int) e.getY()); - if (view == null) { - return; - } - if (view instanceof StateView) { - StateView stateView = (StateView) view; - stateView.setDuplicateButton(true); - } - } - - public void setAdapter(StateAdapter adapter) { - mAdapter = adapter; - mAdapter.registerDataSetObserver(mObserver); - mAdapter.setOrientation(getOrientation()); - fillContent(false); - requestLayout(); - } - - public StateView findChildWithState(State state) { - for (int i = 0; i < getChildCount(); i++) { - StateView view = (StateView) getChildAt(i); - if (view.getState() == state) { - return view; - } - } - return null; - } - - public void fillContent(boolean animate) { - if (!animate) { - this.setLayoutTransition(null); - } - int n = mAdapter.getCount(); - for (int i = 0; i < getChildCount(); i++) { - StateView child = (StateView) getChildAt(i); - child.resetPosition(); - if (!mAdapter.contains(child.getState())) { - removeView(child); - } - } - LayoutParams params = new LayoutParams(mElemWidth, mElemHeight); - for (int i = 0; i < n; i++) { - State s = mAdapter.getItem(i); - if (findChildWithState(s) == null) { - View view = mAdapter.getView(i, null, this); - addView(view, i, params); - } - } - - for (int i = 0; i < n; i++) { - State state = mAdapter.getItem(i); - StateView view = (StateView) getChildAt(i); - view.setState(state); - if (i == 0) { - view.setType(StateView.BEGIN); - } else if (i == n - 1) { - view.setType(StateView.END); - } else { - view.setType(StateView.DEFAULT); - } - view.resetPosition(); - } - - if (!animate) { - this.setLayoutTransition(new LayoutTransition()); - } - } - - public void onTouch(MotionEvent event, StateView view) { - if (!view.isDraggable()) { - return; - } - mCurrentView = view; - if (mCurrentSelectedView == mCurrentView) { - return; - } - if (mCurrentSelectedView != null) { - mCurrentSelectedView.setSelected(false); - } - // We changed the current view -- let's reset the - // gesture detector. - MotionEvent cancelEvent = MotionEvent.obtain(event); - cancelEvent.setAction(MotionEvent.ACTION_CANCEL); - mGestureDetector.onTouchEvent(cancelEvent); - mCurrentSelectedView = mCurrentView; - // We have to send the event to the gesture detector - mGestureDetector.onTouchEvent(event); - mTouchTime = System.currentTimeMillis(); - } - - @Override - public boolean onInterceptTouchEvent(MotionEvent event) { - if (mCurrentView != null) { - return true; - } - return false; - } - - @Override - public boolean onTouchEvent(MotionEvent event) { - if (mCurrentView == null) { - return false; - } - if (mTouchTime == 0) { - mTouchTime = System.currentTimeMillis(); - } - mGestureDetector.onTouchEvent(event); - if (mTouchPoint == null) { - mTouchPoint = new Point(); - mTouchPoint.x = (int) event.getX(); - mTouchPoint.y = (int) event.getY(); - } - - if (event.getActionMasked() == MotionEvent.ACTION_MOVE) { - float translation = event.getY() - mTouchPoint.y; - float alpha = 1.0f - (Math.abs(translation) / mCurrentView.getHeight()); - if (getOrientation() == LinearLayout.VERTICAL) { - translation = event.getX() - mTouchPoint.x; - alpha = 1.0f - (Math.abs(translation) / mCurrentView.getWidth()); - mCurrentView.setTranslationX(translation); - } else { - mCurrentView.setTranslationY(translation); - } - mCurrentView.setBackgroundAlpha(alpha); - if (ALLOWS_DRAG && alpha < 0.7) { - setOnDragListener(mDragListener); - DragShadowBuilder shadowBuilder = new DragShadowBuilder(mCurrentView); - mCurrentView.startDrag(null, shadowBuilder, mCurrentView, 0); - mStartedDrag = true; - } - } - if (!mExited && mCurrentView != null - && mCurrentView.getBackgroundAlpha() > mDeleteSlope - && event.getActionMasked() == MotionEvent.ACTION_UP - && System.currentTimeMillis() - mTouchTime < mMaxTouchDelay) { - FilterRepresentation representation = mCurrentView.getState().getFilterRepresentation(); - mCurrentView.setSelected(true); - if (representation != MasterImage.getImage().getCurrentFilterRepresentation()) { - FilterShowActivity activity = (FilterShowActivity) getContext(); - activity.showRepresentation(representation); - mCurrentView.setSelected(false); - } - } - if (event.getActionMasked() == MotionEvent.ACTION_UP - || (!mStartedDrag && event.getActionMasked() == MotionEvent.ACTION_CANCEL)) { - checkEndState(); - if (mCurrentView != null) { - FilterRepresentation representation = mCurrentView.getState().getFilterRepresentation(); - if (representation.getEditorId() == ImageOnlyEditor.ID) { - mCurrentView.setSelected(false); - } - } - } - return true; - } - - public void checkEndState() { - mTouchPoint = null; - mTouchTime = 0; - if (mExited || mCurrentView.getBackgroundAlpha() < mDeleteSlope) { - int origin = findChild(mCurrentView); - if (origin != -1) { - State current = mAdapter.getItem(origin); - FilterRepresentation currentRep = MasterImage.getImage().getCurrentFilterRepresentation(); - FilterRepresentation removedRep = current.getFilterRepresentation(); - mAdapter.remove(current); - fillContent(true); - if (currentRep != null && removedRep != null - && currentRep.getFilterClass() == removedRep.getFilterClass()) { - FilterShowActivity activity = (FilterShowActivity) getContext(); - activity.backToMain(); - return; - } - } - } else { - mCurrentView.setBackgroundAlpha(1.0f); - mCurrentView.setTranslationX(0); - mCurrentView.setTranslationY(0); - } - if (mCurrentSelectedView != null) { - mCurrentSelectedView.invalidate(); - } - if (mCurrentView != null) { - mCurrentView.invalidate(); - } - mCurrentView = null; - mExited = false; - mStartedDrag = false; - } - - public View findChildAt(int x, int y) { - Rect frame = new Rect(); - int scrolledXInt = getScrollX() + x; - int scrolledYInt = getScrollY() + y; - for (int i = 0; i < getChildCount(); i++) { - View child = getChildAt(i); - child.getHitRect(frame); - if (frame.contains(scrolledXInt, scrolledYInt)) { - return child; - } - } - return null; - } - - public int findChild(View view) { - for (int i = 0; i < getChildCount(); i++) { - View child = getChildAt(i); - if (child == view) { - return i; - } - } - return -1; - } - - public StateView getCurrentView() { - return mCurrentView; - } - - public void setCurrentView(View currentView) { - mCurrentView = (StateView) currentView; - } - - public void setExited(boolean value) { - mExited = value; - } - - public Point getTouchPoint() { - return mTouchPoint; - } - - public Adapter getAdapter() { - return mAdapter; - } -} |