Move Camera Java/Native source into Gallery2

Change-Id: I968efe4d656e88a7760d3c0044f65b4adac2ddd1

1 files changed, 293 insertions, 0 deletions

diff --git a/src/com/android/camera/ui/CameraSwitcher.java b/src/com/android/camera/ui/CameraSwitcher.java
new file mode 100644
index 000000000..7b9fb6499
--- /dev/null
+++ b/src/com/android/camera/ui/CameraSwitcher.java
@@ -0,0 +1,293 @@
+/*
+ * Copyright (C) 2012 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.camera.ui;
+
+import android.animation.Animator;
+import android.animation.Animator.AnimatorListener;
+import android.animation.AnimatorListenerAdapter;
+import android.content.Context;
+import android.content.res.Configuration;
+import android.graphics.Canvas;
+import android.graphics.drawable.Drawable;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.View.OnTouchListener;
+import android.view.ViewGroup;
+import android.widget.LinearLayout;
+
+import com.android.camera.R;
+import com.android.gallery3d.common.ApiHelper;
+
+public class CameraSwitcher extends RotateImageView
+        implements OnClickListener, OnTouchListener {
+
+    private static final String TAG = "CAM_Switcher";
+    private static final int SWITCHER_POPUP_ANIM_DURATION = 200;
+
+    public interface CameraSwitchListener {
+        public void onCameraSelected(int i);
+        public void onShowSwitcherPopup();
+    }
+
+    private CameraSwitchListener mListener;
+    private int mCurrentIndex;
+    private int[] mModuleIds;
+    private int[] mDrawIds;
+    private int mItemSize;
+    private View mPopup;
+    private View mParent;
+    private boolean mShowingPopup;
+    private boolean mNeedsAnimationSetup;
+    private Drawable mIndicator;
+
+    private float mTranslationX = 0;
+    private float mTranslationY = 0;
+
+    private AnimatorListener mHideAnimationListener;
+    private AnimatorListener mShowAnimationListener;
+
+    public CameraSwitcher(Context context) {
+        super(context);
+        init(context);
+    }
+
+    public CameraSwitcher(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init(context);
+    }
+
+    private void init(Context context) {
+        mItemSize = context.getResources().getDimensionPixelSize(R.dimen.switcher_size);
+        setOnClickListener(this);
+        mIndicator = context.getResources().getDrawable(R.drawable.ic_switcher_menu_indicator);
+    }
+
+    public void setIds(int[] moduleids, int[] drawids) {
+        mDrawIds = drawids;
+        mModuleIds = moduleids;
+    }
+
+    public void setCurrentIndex(int i) {
+        mCurrentIndex = i;
+        setImageResource(mDrawIds[i]);
+    }
+
+    public void setSwitchListener(CameraSwitchListener l) {
+        mListener = l;
+    }
+
+    @Override
+    public void onClick(View v) {
+        showSwitcher();
+        mListener.onShowSwitcherPopup();
+    }
+
+    private void onCameraSelected(int ix) {
+        hidePopup();
+        if ((ix != mCurrentIndex) && (mListener != null)) {
+            setCurrentIndex(ix);
+            mListener.onCameraSelected(mModuleIds[ix]);
+        }
+    }
+
+    @Override
+    protected void onDraw(Canvas canvas) {
+        super.onDraw(canvas);
+        mIndicator.setBounds(getDrawable().getBounds());
+        mIndicator.draw(canvas);
+    }
+
+    private void initPopup() {
+        mParent = LayoutInflater.from(getContext()).inflate(R.layout.switcher_popup,
+                (ViewGroup) getParent());
+        LinearLayout content = (LinearLayout) mParent.findViewById(R.id.content);
+        mPopup = content;
+        mPopup.setVisibility(View.INVISIBLE);
+        mNeedsAnimationSetup = true;
+        for (int i = mDrawIds.length - 1; i >= 0; i--) {
+            RotateImageView item = new RotateImageView(getContext());
+            item.setImageResource(mDrawIds[i]);
+            item.setBackgroundResource(R.drawable.bg_pressed);
+            final int index = i;
+            item.setOnClickListener(new OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    onCameraSelected(index);
+                }
+            });
+            switch (mDrawIds[i]) {
+                case R.drawable.ic_switch_camera:
+                    item.setContentDescription(getContext().getResources().getString(
+                            R.string.accessibility_switch_to_camera));
+                    break;
+                case R.drawable.ic_switch_video:
+                    item.setContentDescription(getContext().getResources().getString(
+                            R.string.accessibility_switch_to_video));
+                    break;
+                case R.drawable.ic_switch_pan:
+                    item.setContentDescription(getContext().getResources().getString(
+                            R.string.accessibility_switch_to_panorama));
+                    break;
+                case R.drawable.ic_switch_photosphere:
+                    item.setContentDescription(getContext().getResources().getString(
+                            R.string.accessibility_switch_to_new_panorama));
+                    break;
+                default:
+                    break;
+            }
+            content.addView(item, new LinearLayout.LayoutParams(mItemSize, mItemSize));
+        }
+    }
+
+    public boolean showsPopup() {
+        return mShowingPopup;
+    }
+
+    public boolean isInsidePopup(MotionEvent evt) {
+        if (!showsPopup()) return false;
+        return evt.getX() >= mPopup.getLeft()
+                && evt.getX() < mPopup.getRight()
+                && evt.getY() >= mPopup.getTop()
+                && evt.getY() < mPopup.getBottom();
+    }
+
+    private void hidePopup() {
+        mShowingPopup = false;
+        setVisibility(View.VISIBLE);
+        if (mPopup != null && !animateHidePopup()) {
+            mPopup.setVisibility(View.INVISIBLE);
+        }
+        mParent.setOnTouchListener(null);
+    }
+
+    private void showSwitcher() {
+        mShowingPopup = true;
+        if (mPopup == null) {
+            initPopup();
+        }
+        mPopup.setVisibility(View.VISIBLE);
+        if (!animateShowPopup()) {
+            setVisibility(View.INVISIBLE);
+        }
+        mParent.setOnTouchListener(this);
+    }
+
+    @Override
+    public boolean onTouch(View v, MotionEvent event) {
+        closePopup();
+        return true;
+    }
+
+    public void closePopup() {
+        if (showsPopup()) {
+            hidePopup();
+        }
+    }
+
+    @Override
+    public void setOrientation(int degree, boolean animate) {
+        super.setOrientation(degree, animate);
+        ViewGroup content = (ViewGroup) mPopup;
+        if (content == null) return;
+        for (int i = 0; i < content.getChildCount(); i++) {
+            RotateImageView iv = (RotateImageView) content.getChildAt(i);
+            iv.setOrientation(degree, animate);
+        }
+    }
+
+    private void updateInitialTranslations() {
+        if (getResources().getConfiguration().orientation
+                == Configuration.ORIENTATION_PORTRAIT) {
+            mTranslationX = -getWidth() / 2;
+            mTranslationY = getHeight();
+        } else {
+            mTranslationX = getWidth();
+            mTranslationY = getHeight() / 2;
+        }
+    }
+    private void popupAnimationSetup() {
+        if (!ApiHelper.HAS_VIEW_PROPERTY_ANIMATOR) {
+            return;
+        }
+        updateInitialTranslations();
+        mPopup.setScaleX(0.3f);
+        mPopup.setScaleY(0.3f);
+        mPopup.setTranslationX(mTranslationX);
+        mPopup.setTranslationY(mTranslationY);
+        mNeedsAnimationSetup = false;
+    }
+
+    private boolean animateHidePopup() {
+        if (!ApiHelper.HAS_VIEW_PROPERTY_ANIMATOR) {
+            return false;
+        }
+        if (mHideAnimationListener == null) {
+            mHideAnimationListener = new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    // Verify that we weren't canceled
+                    if (!showsPopup()) {
+                        mPopup.setVisibility(View.INVISIBLE);
+                    }
+                }
+            };
+        }
+        mPopup.animate()
+                .alpha(0f)
+                .scaleX(0.3f).scaleY(0.3f)
+                .translationX(mTranslationX)
+                .translationY(mTranslationY)
+                .setDuration(SWITCHER_POPUP_ANIM_DURATION)
+                .setListener(mHideAnimationListener);
+        animate().alpha(1f).setDuration(SWITCHER_POPUP_ANIM_DURATION)
+                .setListener(null);
+        return true;
+    }
+
+    private boolean animateShowPopup() {
+        if (!ApiHelper.HAS_VIEW_PROPERTY_ANIMATOR) {
+            return false;
+        }
+        if (mNeedsAnimationSetup) {
+            popupAnimationSetup();
+        }
+        if (mShowAnimationListener == null) {
+            mShowAnimationListener = new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    // Verify that we weren't canceled
+                    if (showsPopup()) {
+                        setVisibility(View.INVISIBLE);
+                    }
+                }
+            };
+        }
+        mPopup.animate()
+                .alpha(1f)
+                .scaleX(1f).scaleY(1f)
+                .translationX(0)
+                .translationY(0)
+                .setDuration(SWITCHER_POPUP_ANIM_DURATION)
+                .setListener(null);
+        animate().alpha(0f).setDuration(SWITCHER_POPUP_ANIM_DURATION)
+                .setListener(mShowAnimationListener);
+        return true;
+    }
+}