Aurimas Liutikas
f38a1bdc3c
Test: make messaging Bug: 76692459 Change-Id: I9103450622f129311545648ac75f5b2f9fc2d04a
104 lines
3.6 KiB
Java
104 lines
3.6 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.messaging.ui.conversation;
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import android.os.Bundle;
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import androidx.appcompat.app.ActionBar;
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/**
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* The base class for a method of user input, e.g. media picker.
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*/
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public abstract class ConversationInput {
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/**
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* The host component where all input components are contained. This is typically the
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* conversation fragment but may be mocked in test code.
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*/
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public interface ConversationInputBase {
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boolean showHideInternal(final ConversationInput target, final boolean show,
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final boolean animate);
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String getInputStateKey(final ConversationInput input);
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void beginUpdate();
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void handleOnShow(final ConversationInput target);
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void endUpdate();
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}
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protected boolean mShowing;
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protected ConversationInputBase mConversationInputBase;
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public abstract boolean show(boolean animate);
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public abstract boolean hide(boolean animate);
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public ConversationInput(ConversationInputBase baseHost, final boolean isShowing) {
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mConversationInputBase = baseHost;
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mShowing = isShowing;
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}
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public boolean onBackPressed() {
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if (mShowing) {
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mConversationInputBase.showHideInternal(this, false /* show */, true /* animate */);
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return true;
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}
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return false;
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}
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public boolean onNavigationUpPressed() {
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return false;
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}
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/**
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* Toggle the visibility of this view.
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* @param animate
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* @return true if the view is now shown, false if it now hidden
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*/
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public boolean toggle(final boolean animate) {
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mConversationInputBase.showHideInternal(this, !mShowing /* show */, true /* animate */);
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return mShowing;
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}
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public void saveState(final Bundle savedState) {
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savedState.putBoolean(mConversationInputBase.getInputStateKey(this), mShowing);
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}
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public void restoreState(final Bundle savedState) {
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// Things are hidden by default, so only handle show.
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if (savedState.getBoolean(mConversationInputBase.getInputStateKey(this))) {
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mConversationInputBase.showHideInternal(this, true /* show */, false /* animate */);
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}
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}
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public boolean updateActionBar(final ActionBar actionBar) {
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return false;
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}
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/**
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* Update our visibility flag in response to visibility change, both for actions
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* initiated by this class (through the show/hide methods), and for external changes
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* tracked by event listeners (e.g. ImeStateObserver, MediaPickerListener). As part of
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* handling an input showing, we will hide all other inputs to ensure they are mutually
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* exclusive.
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*/
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protected void onVisibilityChanged(final boolean visible) {
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if (mShowing != visible) {
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mConversationInputBase.beginUpdate();
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mShowing = visible;
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if (visible) {
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mConversationInputBase.handleOnShow(this);
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}
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mConversationInputBase.endUpdate();
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}
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}
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}
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