1 files changed, 281 insertions, 0 deletions
diff --git a/mobile/android/base/java/org/mozilla/gecko/prompts/PromptListAdapter.java b/mobile/android/base/java/org/mozilla/gecko/prompts/PromptListAdapter.java
new file mode 100644
index 000000000..720086c92
--- /dev/null
+++ b/mobile/android/base/java/org/mozilla/gecko/prompts/PromptListAdapter.java
@@ -0,0 +1,281 @@
+package org.mozilla.gecko.prompts;
+
+import org.mozilla.gecko.R;
+import org.mozilla.gecko.Telemetry;
+import org.mozilla.gecko.TelemetryContract;
+import org.mozilla.gecko.menu.MenuItemSwitcherLayout;
+import org.mozilla.gecko.widget.GeckoActionProvider;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.res.Resources;
+import android.graphics.drawable.Drawable;
+import android.graphics.Bitmap;
+import android.graphics.drawable.BitmapDrawable;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CheckedTextView;
+import android.widget.TextView;
+import android.widget.ListView;
+import android.widget.ArrayAdapter;
+import android.util.TypedValue;
+
+import java.util.ArrayList;
+
+public class PromptListAdapter extends ArrayAdapter<PromptListItem> {
+    private static final int VIEW_TYPE_ITEM = 0;
+    private static final int VIEW_TYPE_GROUP = 1;
+    private static final int VIEW_TYPE_ACTIONS = 2;
+    private static final int VIEW_TYPE_COUNT = 3;
+
+    private static final String LOGTAG = "GeckoPromptListAdapter";
+
+    private final int mResourceId;
+    private Drawable mBlankDrawable;
+    private Drawable mMoreDrawable;
+    private static int mGroupPaddingSize;
+    private static int mLeftRightTextWithIconPadding;
+    private static int mTopBottomTextWithIconPadding;
+    private static int mIconSize;
+    private static int mMinRowSize;
+    private static int mIconTextPadding;
+    private static float mTextSize;
+    private static boolean mInitialized;
+
+    PromptListAdapter(Context context, int textViewResourceId, PromptListItem[] objects) {
+        super(context, textViewResourceId, objects);
+        mResourceId = textViewResourceId;
+        init();
+    }
+
+    private void init() {
+        if (!mInitialized) {
+            Resources res = getContext().getResources();
+            mGroupPaddingSize = (int) (res.getDimension(R.dimen.prompt_service_group_padding_size));
+            mLeftRightTextWithIconPadding = (int) (res.getDimension(R.dimen.prompt_service_left_right_text_with_icon_padding));
+            mTopBottomTextWithIconPadding = (int) (res.getDimension(R.dimen.prompt_service_top_bottom_text_with_icon_padding));
+            mIconTextPadding = (int) (res.getDimension(R.dimen.prompt_service_icon_text_padding));
+            mIconSize = (int) (res.getDimension(R.dimen.prompt_service_icon_size));
+            mMinRowSize = (int) (res.getDimension(R.dimen.menu_item_row_height));
+            mTextSize = res.getDimension(R.dimen.menu_item_textsize);
+
+            mInitialized = true;
+        }
+    }
+
+    @Override
+    public int getItemViewType(int position) {
+        PromptListItem item = getItem(position);
+        if (item.isGroup) {
+            return VIEW_TYPE_GROUP;
+        } else if (item.showAsActions) {
+            return VIEW_TYPE_ACTIONS;
+        } else {
+            return VIEW_TYPE_ITEM;
+        }
+    }
+
+    @Override
+    public int getViewTypeCount() {
+        return VIEW_TYPE_COUNT;
+    }
+
+    private Drawable getMoreDrawable(Resources res) {
+        if (mMoreDrawable == null) {
+            mMoreDrawable = res.getDrawable(R.drawable.menu_item_more);
+        }
+        return mMoreDrawable;
+    }
+
+    private Drawable getBlankDrawable(Resources res) {
+        if (mBlankDrawable == null) {
+            mBlankDrawable = res.getDrawable(R.drawable.blank);
+        }
+        return mBlankDrawable;
+    }
+
+    public void toggleSelected(int position) {
+        PromptListItem item = getItem(position);
+        item.setSelected(!item.getSelected());
+    }
+
+    private void maybeUpdateIcon(PromptListItem item, TextView t) {
+        if (item.getIcon() == null && !item.inGroup && !item.isParent) {
+            t.setCompoundDrawablesWithIntrinsicBounds(null, null, null, null);
+            return;
+        }
+
+        Drawable d = null;
+        Resources res = getContext().getResources();
+        // Set the padding between the icon and the text.
+        t.setCompoundDrawablePadding(mIconTextPadding);
+        if (item.getIcon() != null) {
+            // We want the icon to be of a specific size. Some do not
+            // follow this rule so we have to resize them.
+            Bitmap bitmap = ((BitmapDrawable) item.getIcon()).getBitmap();
+            d = new BitmapDrawable(res, Bitmap.createScaledBitmap(bitmap, mIconSize, mIconSize, true));
+        } else if (item.inGroup) {
+            // We don't currently support "indenting" items with icons
+            d = getBlankDrawable(res);
+        }
+
+        Drawable moreDrawable = null;
+        if (item.isParent) {
+            moreDrawable = getMoreDrawable(res);
+        }
+
+        if (d != null || moreDrawable != null) {
+            t.setCompoundDrawablesWithIntrinsicBounds(d, null, moreDrawable, null);
+        }
+    }
+
+    private void maybeUpdateCheckedState(ListView list, int position, PromptListItem item, ViewHolder viewHolder) {
+        viewHolder.textView.setEnabled(!item.disabled && !item.isGroup);
+        viewHolder.textView.setClickable(item.isGroup || item.disabled);
+        if (viewHolder.textView instanceof CheckedTextView) {
+            // Apparently just using ct.setChecked(true) doesn't work, so this
+            // is stolen from the android source code as a way to set the checked
+            // state of these items
+            list.setItemChecked(position, item.getSelected());
+        }
+    }
+
+    boolean isSelected(int position) {
+        return getItem(position).getSelected();
+    }
+
+    ArrayList<Integer> getSelected() {
+        int length = getCount();
+
+        ArrayList<Integer> selected = new ArrayList<Integer>();
+        for (int i = 0; i < length; i++) {
+            if (isSelected(i)) {
+                selected.add(i);
+            }
+        }
+
+        return selected;
+    }
+
+    int getSelectedIndex() {
+        int length = getCount();
+        for (int i = 0; i < length; i++) {
+            if (isSelected(i)) {
+                return i;
+            }
+        }
+        return -1;
+    }
+
+    private View getActionView(PromptListItem item, final ListView list, final int position) {
+        final GeckoActionProvider provider = GeckoActionProvider.getForType(item.getIntent().getType(), getContext());
+        provider.setIntent(item.getIntent());
+
+        final MenuItemSwitcherLayout view = (MenuItemSwitcherLayout) provider.onCreateActionView(
+                GeckoActionProvider.ActionViewType.CONTEXT_MENU);
+        // If a quickshare button is clicked, we need to close the dialog.
+        view.addActionButtonClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                ListView.OnItemClickListener listener = list.getOnItemClickListener();
+                if (listener != null) {
+                    listener.onItemClick(list, view, position, position);
+                }
+            }
+        });
+
+        return view;
+    }
+
+    private void updateActionView(final PromptListItem item, final MenuItemSwitcherLayout view, final ListView list, final int position) {
+        view.setTitle(item.label);
+        view.setIcon(item.getIcon());
+        view.setSubMenuIndicator(item.isParent);
+
+        // If the share button is clicked, we need to close the dialog and then show an intent chooser
+        view.setMenuItemClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                ListView.OnItemClickListener listener = list.getOnItemClickListener();
+                if (listener != null) {
+                    listener.onItemClick(list, view, position, position);
+                }
+
+                final GeckoActionProvider provider = GeckoActionProvider.getForType(item.getIntent().getType(), getContext());
+                IntentChooserPrompt prompt = new IntentChooserPrompt(getContext(), provider);
+                prompt.show(item.label, getContext(), new IntentHandler() {
+                    @Override
+                    public void onIntentSelected(final Intent intent, final int p) {
+                        provider.chooseActivity(p);
+
+                        // Context: Sharing via content contextmenu list (no explicit session is active)
+                        Telemetry.sendUIEvent(TelemetryContract.Event.SHARE, TelemetryContract.Method.LIST, "promptlist");
+                    }
+
+                    @Override
+                    public void onCancelled() {
+                        // do nothing
+                    }
+                });
+            }
+        });
+    }
+
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+        PromptListItem item = getItem(position);
+        int type = getItemViewType(position);
+        ViewHolder viewHolder = null;
+
+        if (convertView == null) {
+            if (type == VIEW_TYPE_ACTIONS) {
+                convertView = getActionView(item, (ListView) parent, position);
+            } else {
+                int resourceId = mResourceId;
+                if (item.isGroup) {
+                    resourceId = R.layout.list_item_header;
+                }
+
+                LayoutInflater mInflater = LayoutInflater.from(getContext());
+                convertView = mInflater.inflate(resourceId, null);
+                convertView.setMinimumHeight(mMinRowSize);
+
+                TextView tv = (TextView) convertView.findViewById(android.R.id.text1);
+                tv.setTextSize(TypedValue.COMPLEX_UNIT_PX, mTextSize);
+                viewHolder = new ViewHolder(tv, tv.getPaddingLeft(), tv.getPaddingRight(),
+                                            tv.getPaddingTop(), tv.getPaddingBottom());
+
+                convertView.setTag(viewHolder);
+            }
+        } else {
+            viewHolder = (ViewHolder) convertView.getTag();
+        }
+
+        if (type == VIEW_TYPE_ACTIONS) {
+            updateActionView(item, (MenuItemSwitcherLayout) convertView, (ListView) parent, position);
+        } else {
+            viewHolder.textView.setText(item.label);
+            maybeUpdateCheckedState((ListView) parent, position, item, viewHolder);
+            maybeUpdateIcon(item, viewHolder.textView);
+        }
+
+        return convertView;
+    }
+
+    private static class ViewHolder {
+        public final TextView textView;
+        public final int paddingLeft;
+        public final int paddingRight;
+        public final int paddingTop;
+        public final int paddingBottom;
+
+        ViewHolder(TextView aTextView, int aLeft, int aRight, int aTop, int aBottom) {
+            textView = aTextView;
+            paddingLeft = aLeft;
+            paddingRight = aRight;
+            paddingTop = aTop;
+            paddingBottom = aBottom;
+        }
+    }
+}