| /* |
| * Copyright (C) 2012 Google Inc. |
| * Licensed to 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.mail.browse; |
| |
| /** |
| * A header block in the conversation view that corresponds to a region in the web content. It may |
| * also be eligible for snapping. |
| * |
| */ |
| public interface HeaderBlock { |
| |
| /** |
| * Eligible to become a a snappy header? |
| */ |
| boolean canSnap(); |
| /** |
| * If eligible for snapping, returns the populated header view to snap. |
| */ |
| MessageHeaderView getSnapView(); |
| /** |
| * Spaces out this view in its container by this number of pixels to match its message body |
| * size, if any. |
| */ |
| void setMarginBottom(int height); |
| void setVisibility(int vis); |
| /** |
| * Called on a header when new contact info is known for the conversation. If the header |
| * displays contact info, it should refresh it. |
| */ |
| void updateContactInfo(); |
| /** |
| * If this header can be starred/unstarred, change whether the message header appears to be |
| * starred or not. Does not actually mark the backing message starred/unstarred. |
| */ |
| void setStarDisplay(boolean starred); |
| |
| } |