1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.inputmethod.keyboard; 18 19 import android.view.View; 20 21 public interface MoreKeysPanel { 22 public interface Controller { 23 /** 24 * Add the {@link MoreKeysPanel} to the target view. 25 * @param panel 26 */ 27 public void onShowMoreKeysPanel(final MoreKeysPanel panel); 28 29 /** 30 * Remove the current {@link MoreKeysPanel} from the target view. 31 */ 32 public boolean onDismissMoreKeysPanel(); 33 34 /** 35 * Instructs the parent to cancel the panel (e.g., when entering a different input mode). 36 */ 37 public void onCancelMoreKeysPanel(); 38 } 39 40 /** 41 * Initializes the layout and event handling of this {@link MoreKeysPanel} and calls the 42 * controller's onShowMoreKeysPanel to add the panel's container view. 43 * 44 * @param parentView the parent view of this {@link MoreKeysPanel} 45 * @param controller the controller that can dismiss this {@link MoreKeysPanel} 46 * @param pointX x coordinate of this {@link MoreKeysPanel} 47 * @param pointY y coordinate of this {@link MoreKeysPanel} 48 * @param listener the listener that will receive keyboard action from this 49 * {@link MoreKeysPanel}. 50 */ 51 // TODO: Currently the MoreKeysPanel is inside a container view that is added to the parent. 52 // Consider the simpler approach of placing the MoreKeysPanel itself into the parent view. 53 public void showMoreKeysPanel(View parentView, Controller controller, int pointX, 54 int pointY, KeyboardActionListener listener); 55 56 /** 57 * Dismisses the more keys panel and calls the controller's onDismissMoreKeysPanel to remove 58 * the panel's container view. 59 */ 60 public boolean dismissMoreKeysPanel(); 61 62 /** 63 * Process a move event on the more keys panel. 64 * 65 * @param x translated x coordinate of the touch point 66 * @param y translated y coordinate of the touch point 67 * @param pointerId pointer id touch point 68 * @param eventTime timestamp of touch point 69 */ 70 public void onMoveEvent(final int x, final int y, final int pointerId, final long eventTime); 71 72 /** 73 * Process a down event on the more keys panel. 74 * 75 * @param x translated x coordinate of the touch point 76 * @param y translated y coordinate of the touch point 77 * @param pointerId pointer id touch point 78 * @param eventTime timestamp of touch point 79 */ 80 public void onDownEvent(final int x, final int y, final int pointerId, final long eventTime); 81 82 /** 83 * Process an up event on the more keys panel. 84 * 85 * @param x translated x coordinate of the touch point 86 * @param y translated y coordinate of the touch point 87 * @param pointerId pointer id touch point 88 * @param eventTime timestamp of touch point 89 */ 90 public void onUpEvent(final int x, final int y, final int pointerId, final long eventTime); 91 92 /** 93 * Translate X-coordinate of touch event to the local X-coordinate of this 94 * {@link MoreKeysPanel}. 95 * 96 * @param x the global X-coordinate 97 * @return the local X-coordinate to this {@link MoreKeysPanel} 98 */ 99 public int translateX(int x); 100 101 /** 102 * Translate Y-coordinate of touch event to the local Y-coordinate of this 103 * {@link MoreKeysPanel}. 104 * 105 * @param y the global Y-coordinate 106 * @return the local Y-coordinate to this {@link MoreKeysPanel} 107 */ 108 public int translateY(int y); 109 110 /** 111 * Return the view containing the more keys panel. 112 */ 113 public View getContainerView(); 114 115 /** 116 * Return whether the panel is currently being shown. 117 */ 118 public boolean isShowingInParent(); 119 } 120