Brings back the details menu with most EXIF data in it.

Some are still missing and will come back later.

  Bug: 10330505

Change-Id: I7bc44b19fac5b47557d5feae3ed969040ac3ae9b

1 files changed, 297 insertions, 0 deletions

diff --git a/src/com/android/camera/ui/DetailsDialog.java b/src/com/android/camera/ui/DetailsDialog.java
new file mode 100644
index 000000000..cc0130d22
--- /dev/null
+++ b/src/com/android/camera/ui/DetailsDialog.java
@@ -0,0 +1,297 @@
+/*
+ * 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.camera.ui;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.text.format.Formatter;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.ListView;
+import android.widget.TextView;
+
+import com.android.camera.data.MediaDetails;
+import com.android.camera2.R;
+
+import java.util.ArrayList;
+import java.util.Map.Entry;
+
+/**
+ * Displays details (such as Exif) of a local media item.
+ */
+public class DetailsDialog {
+
+    /**
+     * Creates a dialog for showing media data.
+     *
+     * @param context the Android context.
+     * @param mediaDetails the media details to display.
+     * @return A dialog that can be made visible to show the media details.
+     */
+    public static Dialog create(Context context, MediaDetails mediaDetails) {
+        ListView detailsList = (ListView) LayoutInflater.from(context).inflate(
+                R.layout.details_list, null, false);
+        detailsList.setAdapter(new DetailsAdapter(context, mediaDetails));
+
+        final AlertDialog.Builder builder =
+                new AlertDialog.Builder(context);
+        return builder.setTitle(R.string.details).setView(detailsList)
+                .setPositiveButton(R.string.close, new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int whichButton) {
+                        dialog.dismiss();
+                    }
+                }).create();
+    }
+
+    /**
+     * An adapter for feeding a details list view with the contents of a
+     * {@link MediaDetails} instance.
+     */
+    private static class DetailsAdapter extends BaseAdapter {
+        private final Context mContext;
+        private final MediaDetails mMediaDetails;
+        private final ArrayList<String> mItems;
+        private int mLocationIndex;
+        private int mWidthIndex = -1;
+        private int mHeightIndex = -1;
+
+        public DetailsAdapter(Context context, MediaDetails details) {
+            mContext = context;
+            mMediaDetails = details;
+            mItems = new ArrayList<String>(details.size());
+            mLocationIndex = -1;
+            setDetails(context, details);
+        }
+
+        private void setDetails(Context context, MediaDetails details) {
+            boolean resolutionIsValid = true;
+            String path = null;
+            for (Entry<Integer, Object> detail : details) {
+                String value;
+                switch (detail.getKey()) {
+                    // TODO: Resolve address asynchronously.
+                    case MediaDetails.INDEX_SIZE: {
+                        value = Formatter.formatFileSize(
+                                context, (Long) detail.getValue());
+                        break;
+                    }
+                    case MediaDetails.INDEX_WHITE_BALANCE: {
+                        value = "1".equals(detail.getValue())
+                                ? context.getString(R.string.manual)
+                                : context.getString(R.string.auto);
+                        break;
+                    }
+                    case MediaDetails.INDEX_FLASH: {
+                        MediaDetails.FlashState flash =
+                                (MediaDetails.FlashState) detail.getValue();
+                        // TODO: camera doesn't fill in the complete values,
+                        // show more information when it is fixed.
+                        if (flash.isFlashFired()) {
+                            value = context.getString(R.string.flash_on);
+                        } else {
+                            value = context.getString(R.string.flash_off);
+                        }
+                        break;
+                    }
+                    case MediaDetails.INDEX_EXPOSURE_TIME: {
+                        value = (String) detail.getValue();
+                        double time = Double.valueOf(value);
+                        if (time < 1.0f) {
+                            value = String.format("1/%d", (int) (0.5f + 1 / time));
+                        } else {
+                            int integer = (int) time;
+                            time -= integer;
+                            value = String.valueOf(integer) + "''";
+                            if (time > 0.0001) {
+                                value += String.format(" 1/%d", (int) (0.5f + 1 / time));
+                            }
+                        }
+                        break;
+                    }
+                    case MediaDetails.INDEX_WIDTH:
+                        mWidthIndex = mItems.size();
+                        value = detail.getValue().toString();
+                        if (value.equalsIgnoreCase("0")) {
+                            value = context.getString(R.string.unknown);
+                            resolutionIsValid = false;
+                        }
+                        break;
+                    case MediaDetails.INDEX_HEIGHT: {
+                        mHeightIndex = mItems.size();
+                        value = detail.getValue().toString();
+                        if (value.equalsIgnoreCase("0")) {
+                            value = context.getString(R.string.unknown);
+                            resolutionIsValid = false;
+                        }
+                        break;
+                    }
+                    case MediaDetails.INDEX_PATH:
+                        // Get the path and then fall through to the default
+                        // case
+                        path = detail.getValue().toString();
+                    default: {
+                        Object valueObj = detail.getValue();
+                        // This shouldn't happen, log its key to help us
+                        // diagnose the problem.
+                        if (valueObj == null) {
+                            fail("%s's value is Null",
+                                    getDetailsName(context,
+                                            detail.getKey()));
+                        }
+                        value = valueObj.toString();
+                    }
+                }
+                int key = detail.getKey();
+                if (details.hasUnit(key)) {
+                    value = String.format("%s: %s %s", getDetailsName(
+                            context, key), value, context.getString(details.getUnit(key)));
+                } else {
+                    value = String.format("%s: %s", getDetailsName(
+                            context, key), value);
+                }
+                mItems.add(value);
+                if (!resolutionIsValid) {
+                    resolveResolution(path);
+                }
+            }
+        }
+
+        public void resolveResolution(String path) {
+            Bitmap bitmap = BitmapFactory.decodeFile(path);
+            if (bitmap == null)
+                return;
+            onResolutionAvailable(bitmap.getWidth(), bitmap.getHeight());
+        }
+
+        @Override
+        public boolean areAllItemsEnabled() {
+            return false;
+        }
+
+        @Override
+        public boolean isEnabled(int position) {
+            return false;
+        }
+
+        @Override
+        public int getCount() {
+            return mItems.size();
+        }
+
+        @Override
+        public Object getItem(int position) {
+            return mMediaDetails.getDetail(position);
+        }
+
+        @Override
+        public long getItemId(int position) {
+            return position;
+        }
+
+        @Override
+        public View getView(int position, View convertView, ViewGroup parent) {
+            TextView tv;
+            if (convertView == null) {
+                tv = (TextView) LayoutInflater.from(mContext).inflate(
+                        R.layout.details, parent, false);
+            } else {
+                tv = (TextView) convertView;
+            }
+            tv.setText(mItems.get(position));
+            return tv;
+        }
+
+        public void onResolutionAvailable(int width, int height) {
+            if (width == 0 || height == 0)
+                return;
+            // Update the resolution with the new width and height
+            String widthString = String.format("%s: %d",
+                    getDetailsName(
+                            mContext, MediaDetails.INDEX_WIDTH), width);
+            String heightString = String.format("%s: %d",
+                    getDetailsName(
+                            mContext, MediaDetails.INDEX_HEIGHT), height);
+            mItems.set(mWidthIndex, String.valueOf(widthString));
+            mItems.set(mHeightIndex, String.valueOf(heightString));
+            notifyDataSetChanged();
+        }
+    }
+
+    public static String getDetailsName(Context context, int key) {
+        switch (key) {
+            case MediaDetails.INDEX_TITLE:
+                return context.getString(R.string.title);
+            case MediaDetails.INDEX_DESCRIPTION:
+                return context.getString(R.string.description);
+            case MediaDetails.INDEX_DATETIME:
+                return context.getString(R.string.time);
+            case MediaDetails.INDEX_LOCATION:
+                return context.getString(R.string.location);
+            case MediaDetails.INDEX_PATH:
+                return context.getString(R.string.path);
+            case MediaDetails.INDEX_WIDTH:
+                return context.getString(R.string.width);
+            case MediaDetails.INDEX_HEIGHT:
+                return context.getString(R.string.height);
+            case MediaDetails.INDEX_ORIENTATION:
+                return context.getString(R.string.orientation);
+            case MediaDetails.INDEX_DURATION:
+                return context.getString(R.string.duration);
+            case MediaDetails.INDEX_MIMETYPE:
+                return context.getString(R.string.mimetype);
+            case MediaDetails.INDEX_SIZE:
+                return context.getString(R.string.file_size);
+            case MediaDetails.INDEX_MAKE:
+                return context.getString(R.string.maker);
+            case MediaDetails.INDEX_MODEL:
+                return context.getString(R.string.model);
+            case MediaDetails.INDEX_FLASH:
+                return context.getString(R.string.flash);
+            case MediaDetails.INDEX_APERTURE:
+                return context.getString(R.string.aperture);
+            case MediaDetails.INDEX_FOCAL_LENGTH:
+                return context.getString(R.string.focal_length);
+            case MediaDetails.INDEX_WHITE_BALANCE:
+                return context.getString(R.string.white_balance);
+            case MediaDetails.INDEX_EXPOSURE_TIME:
+                return context.getString(R.string.exposure_time);
+            case MediaDetails.INDEX_ISO:
+                return context.getString(R.string.iso);
+            default:
+                return "Unknown key" + key;
+        }
+    }
+
+    /**
+     * Throw an assertion error wit the given message.
+     *
+     * @param message the message, can contain placeholders.
+     * @param args if he message contains placeholders, these values will be
+     *            used to fill them.
+     */
+    private static void fail(String message, Object... args) {
+        throw new AssertionError(
+                args.length == 0 ? message : String.format(message, args));
+    }
+}