| /* |
| * Copyright (C) 2010 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.systemui.statusbar.tablet; |
| |
| import android.animation.Animator; |
| import android.animation.AnimatorListenerAdapter; |
| import android.animation.ObjectAnimator; |
| import android.content.ClipData; |
| import android.content.Context; |
| import android.graphics.Bitmap; |
| import android.graphics.Canvas; |
| import android.graphics.Paint; |
| import android.graphics.Point; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.view.DragEvent; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.widget.ImageView; |
| |
| public class ShirtPocket extends ImageView { |
| private static final boolean DEBUG = false; |
| private static final String TAG = "StatusBar/ShirtPocket"; |
| |
| private ClipData mClipping = null; |
| |
| private ImageView mPreviewIcon; |
| |
| public static class DropZone extends View { |
| ShirtPocket mPocket; |
| public DropZone(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| public void setPocket(ShirtPocket p) { |
| mPocket = p; |
| } |
| |
| public void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| if (mPocket.holding()) { |
| show(false); |
| } else { |
| hide(false); |
| } |
| } |
| |
| // Drag API notes: we must be visible to receive drag events |
| private void show(boolean animate) { |
| setTranslationY(0f); |
| if (animate) { |
| setAlpha(0f); |
| ObjectAnimator.ofFloat(this, "alpha", 0f, 1f).start(); |
| } else { |
| setAlpha(1f); |
| } |
| } |
| |
| private void hide(boolean animate) { |
| AnimatorListenerAdapter onEnd = new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationEnd(Animator _a) { |
| DropZone.this.setTranslationY(getHeight() + 2); |
| DropZone.this.setAlpha(0f); |
| } |
| }; |
| if (animate) { |
| Animator a = ObjectAnimator.ofFloat(this, "alpha", getAlpha(), 0f); |
| a.addListener(onEnd); |
| a.start(); |
| } else { |
| onEnd.onAnimationEnd(null); |
| } |
| } |
| |
| @Override |
| public boolean onDragEvent(DragEvent event) { |
| if (DEBUG) Log.d(TAG, "onDragEvent: " + event); |
| switch (event.getAction()) { |
| // We want to appear whenever a potential drag takes off from anywhere in the UI. |
| case DragEvent.ACTION_DRAG_STARTED: |
| show(true); |
| break; |
| case DragEvent.ACTION_DRAG_ENTERED: |
| if (DEBUG) Log.d(TAG, "entered!"); |
| // XXX: TODO |
| break; |
| case DragEvent.ACTION_DRAG_EXITED: |
| if (DEBUG) Log.d(TAG, "exited!"); |
| break; |
| case DragEvent.ACTION_DROP: |
| if (DEBUG) Log.d(TAG, "dropped!"); |
| mPocket.stash(event.getClipData()); |
| break; |
| case DragEvent.ACTION_DRAG_ENDED: |
| hide(true); |
| break; |
| } |
| return true; // we want everything, thank you |
| } |
| } |
| |
| public ShirtPocket(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| // TODO: "pin area" panel, dragging things out |
| ObjectAnimator mAnimHide, mAnimShow; |
| |
| protected void onAttachedToWindow() { |
| } |
| |
| public boolean holding() { |
| return (mClipping != null); |
| } |
| |
| private void stash(ClipData clipping) { |
| mClipping = clipping; |
| if (mClipping != null) { |
| setVisibility(View.VISIBLE); |
| Bitmap icon = mClipping.getIcon(); |
| // mDescription.setText(mClipping.getDescription().getLabel()); |
| if (icon != null) { |
| setImageBitmap(icon); |
| } else { |
| if (mClipping.getItemCount() > 0) { |
| // TODO: figure out how to visualize every kind of ClipData! |
| //mAltText.setText(mClipping.getItemAt(0).coerceToText(getContext())); |
| } |
| } |
| } else { |
| setVisibility(View.GONE); |
| } |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent ev) { |
| final int action = ev.getAction(); |
| if (action == MotionEvent.ACTION_DOWN) { |
| final ClipData clip = mClipping; |
| if (clip != null) { |
| final Bitmap icon = clip.getIcon(); |
| DragShadowBuilder shadow; |
| if (icon != null) { |
| shadow = new DragShadowBuilder(this) { |
| public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { |
| shadowSize.set(icon.getWidth(), icon.getHeight()); |
| shadowTouchPoint.set(shadowSize.x / 2, shadowSize.y / 2); |
| } |
| public void onDrawShadow(Canvas canvas) { |
| canvas.drawBitmap(icon, 0, 0, new Paint()); |
| } |
| }; |
| } else { |
| // uhhh, what now? |
| shadow = new DragShadowBuilder(this); |
| } |
| |
| startDrag(clip, shadow, null, 0); |
| |
| // TODO: only discard the clipping if it was accepted |
| stash(null); |
| |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /* |
| private boolean isInViewContentArea(View v, int x, int y) { |
| final int l = v.getPaddingLeft(); |
| final int r = v.getWidth() - v.getPaddingRight(); |
| final int t = v.getPaddingTop(); |
| final int b = v.getHeight() - v.getPaddingBottom(); |
| return x >= l && x < r && y >= t && y < b; |
| } |
| |
| View.OnTouchListener mWindowTouchListener = new View.OnTouchListener() { |
| public boolean onTouch(View v, MotionEvent ev) { |
| final int action = ev.getAction(); |
| if (action == MotionEvent.ACTION_OUTSIDE |
| || (action == MotionEvent.ACTION_DOWN |
| && !isInViewContentArea(mWindow, (int)ev.getX(), (int)ev.getY()))) { |
| hideWindow(); |
| return true; |
| } else if (action == MotionEvent.ACTION_DOWN) { |
| final ClipData clip = mClipping; |
| if (clip != null) { |
| final Bitmap icon = clip.getIcon(); |
| DragShadowBuilder shadow; |
| if (icon != null) { |
| shadow = new DragShadowBuilder(v) { |
| public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { |
| shadowSize.set(icon.getWidth(), icon.getHeight()); |
| shadowTouchPoint.set(shadowSize.x / 2, shadowSize.y / 2); |
| } |
| public void onDrawShadow(Canvas canvas) { |
| canvas.drawBitmap(icon, 0, 0, new Paint()); |
| } |
| }; |
| } else { |
| // uhhh, what now? |
| shadow = new DragShadowBuilder(mWindow.findViewById(R.id.preview)); |
| } |
| |
| v.startDrag(clip, shadow, null, 0); |
| |
| // TODO: only discard the clipping if it was accepted |
| stash(null); |
| |
| return true; |
| } |
| } |
| return false; |
| } |
| }; |
| */ |
| } |
| |