Initial checkin of AOSP Messaging app.

b/23110861 Change-Id: I9aa980d7569247d6b2ca78f5dcb4502e1eaadb8a
2015-08-11 11:16:59 -07:00
parent 8b3e2b9c1b
commit 461a34b466
1645 changed files with 186271 additions and 0 deletions
--- a/src/com/android/messaging/ui/mediapicker/GalleryGridItemView.java
+++ b/src/com/android/messaging/ui/mediapicker/GalleryGridItemView.java
@@ -0,0 +1,159 @@
+/*
+ * Copyright (C) 2015 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.messaging.ui.mediapicker;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.graphics.Rect;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.view.TouchDelegate;
+import android.view.View;
+import android.widget.CheckBox;
+import android.widget.FrameLayout;
+import android.widget.ImageView.ScaleType;
+
+import com.android.messaging.R;
+import com.android.messaging.datamodel.DataModel;
+import com.android.messaging.datamodel.data.GalleryGridItemData;
+import com.android.messaging.ui.AsyncImageView;
+import com.android.messaging.ui.ConversationDrawables;
+import com.google.common.annotations.VisibleForTesting;
+
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Shows an item in the gallery picker grid view. Hosts an FileImageView with a checkbox.
+ */
+public class GalleryGridItemView extends FrameLayout {
+    /**
+     * Implemented by the owner of this GalleryGridItemView instance to communicate on media
+     * picking and selection events.
+     */
+    public interface HostInterface {
+        void onItemClicked(View view, GalleryGridItemData data, boolean longClick);
+        boolean isItemSelected(GalleryGridItemData data);
+        boolean isMultiSelectEnabled();
+    }
+
+    @VisibleForTesting
+    GalleryGridItemData mData;
+    private AsyncImageView mImageView;
+    private CheckBox mCheckBox;
+    private HostInterface mHostInterface;
+    private final OnClickListener mOnClickListener = new OnClickListener() {
+        @Override
+        public void onClick(final View v) {
+            mHostInterface.onItemClicked(GalleryGridItemView.this, mData, false /*longClick*/);
+        }
+    };
+
+    public GalleryGridItemView(final Context context, final AttributeSet attrs) {
+        super(context, attrs);
+        mData = DataModel.get().createGalleryGridItemData();
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+        mImageView = (AsyncImageView) findViewById(R.id.image);
+        mCheckBox = (CheckBox) findViewById(R.id.checkbox);
+        mCheckBox.setOnClickListener(mOnClickListener);
+        setOnClickListener(mOnClickListener);
+        final OnLongClickListener longClickListener = new OnLongClickListener() {
+            @Override
+            public boolean onLongClick(final View v) {
+                mHostInterface.onItemClicked(v, mData, true /* longClick */);
+                return true;
+            }
+        };
+        setOnLongClickListener(longClickListener);
+        mCheckBox.setOnLongClickListener(longClickListener);
+        addOnLayoutChangeListener(new OnLayoutChangeListener() {
+            @Override
+            public void onLayoutChange(View v, int left, int top, int right, int bottom,
+                    int oldLeft, int oldTop, int oldRight, int oldBottom) {
+                // Enlarge the clickable region for the checkbox to fill the entire view.
+                final Rect region = new Rect(0, 0, getWidth(), getHeight());
+                setTouchDelegate(new TouchDelegate(region, mCheckBox) {
+                    @Override
+                    public boolean onTouchEvent(MotionEvent event) {
+                        switch (event.getAction()) {
+                            case MotionEvent.ACTION_DOWN:
+                                setPressed(true);
+                                break;
+                            case MotionEvent.ACTION_UP:
+                            case MotionEvent.ACTION_CANCEL:
+                                setPressed(false);
+                                break;
+                        }
+                        return super.onTouchEvent(event);
+                    }
+                });
+            }
+        });
+    }
+
+    @Override
+    protected void onMeasure(final int widthMeasureSpec, final int heightMeasureSpec) {
+        // The grid view auto-fit the columns, so we want to let the height match the width
+        // to make the image square.
+        super.onMeasure(widthMeasureSpec, widthMeasureSpec);
+    }
+
+    public void bind(final Cursor cursor, final HostInterface hostInterface) {
+        final int desiredSize = getResources()
+                .getDimensionPixelSize(R.dimen.gallery_image_cell_size);
+        mData.bind(cursor, desiredSize, desiredSize);
+        mHostInterface = hostInterface;
+        updateViewState();
+    }
+
+    private void updateViewState() {
+        updateImageView();
+        if (mHostInterface.isMultiSelectEnabled() && !mData.isDocumentPickerItem()) {
+            mCheckBox.setVisibility(VISIBLE);
+            mCheckBox.setClickable(true);
+            mCheckBox.setChecked(mHostInterface.isItemSelected(mData));
+        } else {
+            mCheckBox.setVisibility(GONE);
+            mCheckBox.setClickable(false);
+        }
+    }
+
+    private void updateImageView() {
+        if (mData.isDocumentPickerItem()) {
+            mImageView.setScaleType(ScaleType.CENTER);
+            setBackgroundColor(ConversationDrawables.get().getConversationThemeColor());
+            mImageView.setImageResourceId(null);
+            mImageView.setImageResource(R.drawable.ic_photo_library_light);
+            mImageView.setContentDescription(getResources().getString(
+                    R.string.pick_image_from_document_library_content_description));
+        } else {
+            mImageView.setScaleType(ScaleType.CENTER_CROP);
+            setBackgroundColor(getResources().getColor(R.color.gallery_image_default_background));
+            mImageView.setImageResourceId(mData.getImageRequestDescriptor());
+            final long dateSeconds = mData.getDateSeconds();
+            final boolean isValidDate = (dateSeconds > 0);
+            final int templateId = isValidDate ?
+                    R.string.mediapicker_gallery_image_item_description :
+                    R.string.mediapicker_gallery_image_item_description_no_date;
+            String contentDescription = String.format(getResources().getString(templateId),
+                    dateSeconds * TimeUnit.SECONDS.toMillis(1));
+            mImageView.setContentDescription(contentDescription);
+        }
+    }
+}