1 /* //device/java/android/android/view/IWindowSession.aidl 2 ** 3 ** Copyright 2006, The Android Open Source Project 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 18 package android.view; 19 20 import android.content.ClipData; 21 import android.content.res.Configuration; 22 import android.graphics.Rect; 23 import android.graphics.Region; 24 import android.os.Bundle; 25 import android.view.InputChannel; 26 import android.view.IWindow; 27 import android.view.MotionEvent; 28 import android.view.WindowManager; 29 import android.view.Surface; 30 31 /** 32 * System private per-application interface to the window manager. 33 * 34 * {@hide} 35 */ 36 interface IWindowSession { 37 int add(IWindow window, int seq, in WindowManager.LayoutParams attrs, 38 in int viewVisibility, out Rect outContentInsets, 39 out InputChannel outInputChannel); 40 int addWithoutInputChannel(IWindow window, int seq, in WindowManager.LayoutParams attrs, 41 in int viewVisibility, out Rect outContentInsets); 42 void remove(IWindow window); 43 44 /** 45 * Change the parameters of a window. You supply the 46 * new parameters, it returns the new frame of the window on screen (the 47 * position should be ignored) and surface of the window. The surface 48 * will be invalid if the window is currently hidden, else you can use it 49 * to draw the window's contents. 50 * 51 * @param window The window being modified. 52 * @param seq Ordering sequence number. 53 * @param attrs If non-null, new attributes to apply to the window. 54 * @param requestedWidth The width the window wants to be. 55 * @param requestedHeight The height the window wants to be. 56 * @param viewVisibility Window root view's visibility. 57 * @param flags Request flags: {@link WindowManagerImpl#RELAYOUT_INSETS_PENDING}, 58 * {@link WindowManagerImpl#RELAYOUT_DEFER_SURFACE_DESTROY}. 59 * @param outFrame Rect in which is placed the new position/size on 60 * screen. 61 * @param outContentInsets Rect in which is placed the offsets from 62 * <var>outFrame</var> in which the content of the window should be 63 * placed. This can be used to modify the window layout to ensure its 64 * contents are visible to the user, taking into account system windows 65 * like the status bar or a soft keyboard. 66 * @param outVisibleInsets Rect in which is placed the offsets from 67 * <var>outFrame</var> in which the window is actually completely visible 68 * to the user. This can be used to temporarily scroll the window's 69 * contents to make sure the user can see it. This is different than 70 * <var>outContentInsets</var> in that these insets change transiently, 71 * so complex relayout of the window should not happen based on them. 72 * @param outConfiguration New configuration of window, if it is now 73 * becoming visible and the global configuration has changed since it 74 * was last displayed. 75 * @param outSurface Object in which is placed the new display surface. 76 * 77 * @return int Result flags: {@link WindowManagerImpl#RELAYOUT_SHOW_FOCUS}, 78 * {@link WindowManagerImpl#RELAYOUT_FIRST_TIME}. 79 */ 80 int relayout(IWindow window, int seq, in WindowManager.LayoutParams attrs, 81 int requestedWidth, int requestedHeight, int viewVisibility, 82 int flags, out Rect outFrame, 83 out Rect outContentInsets, out Rect outVisibleInsets, 84 out Configuration outConfig, out Surface outSurface); 85 86 /** 87 * If a call to relayout() asked to have the surface destroy deferred, 88 * it must call this once it is okay to destroy that surface. 89 */ 90 void performDeferredDestroy(IWindow window); 91 92 /** 93 * Called by a client to report that it ran out of graphics memory. 94 */ 95 boolean outOfMemory(IWindow window); 96 97 /** 98 * Give the window manager a hint of the part of the window that is 99 * completely transparent, allowing it to work with the surface flinger 100 * to optimize compositing of this part of the window. 101 */ 102 void setTransparentRegion(IWindow window, in Region region); 103 104 /** 105 * Tell the window manager about the content and visible insets of the 106 * given window, which can be used to adjust the <var>outContentInsets</var> 107 * and <var>outVisibleInsets</var> values returned by 108 * {@link #relayout relayout()} for windows behind this one. 109 * 110 * @param touchableInsets Controls which part of the window inside of its 111 * frame can receive pointer events, as defined by 112 * {@link android.view.ViewTreeObserver.InternalInsetsInfo}. 113 */ 114 void setInsets(IWindow window, int touchableInsets, in Rect contentInsets, 115 in Rect visibleInsets, in Region touchableRegion); 116 117 /** 118 * Return the current display size in which the window is being laid out, 119 * accounting for screen decorations around it. 120 */ 121 void getDisplayFrame(IWindow window, out Rect outDisplayFrame); 122 123 void finishDrawing(IWindow window); 124 125 void setInTouchMode(boolean showFocus); 126 boolean getInTouchMode(); 127 128 boolean performHapticFeedback(IWindow window, int effectId, boolean always); 129 130 /** 131 * Allocate the drag's thumbnail surface. Also assigns a token that identifies 132 * the drag to the OS and passes that as the return value. A return value of 133 * null indicates failure. 134 */ 135 IBinder prepareDrag(IWindow window, int flags, 136 int thumbnailWidth, int thumbnailHeight, out Surface outSurface); 137 138 /** 139 * Initiate the drag operation itself 140 */ 141 boolean performDrag(IWindow window, IBinder dragToken, float touchX, float touchY, 142 float thumbCenterX, float thumbCenterY, in ClipData data); 143 144 /** 145 * Report the result of a drop action targeted to the given window. 146 * consumed is 'true' when the drop was accepted by a valid recipient, 147 * 'false' otherwise. 148 */ 149 void reportDropResult(IWindow window, boolean consumed); 150 151 /** 152 * Tell the OS that we've just dragged into a View that is willing to accept the drop 153 */ 154 void dragRecipientEntered(IWindow window); 155 156 /** 157 * Tell the OS that we've just dragged *off* of a View that was willing to accept the drop 158 */ 159 void dragRecipientExited(IWindow window); 160 161 /** 162 * For windows with the wallpaper behind them, and the wallpaper is 163 * larger than the screen, set the offset within the screen. 164 * For multi screen launcher type applications, xstep and ystep indicate 165 * how big the increment is from one screen to another. 166 */ 167 void setWallpaperPosition(IBinder windowToken, float x, float y, float xstep, float ystep); 168 169 void wallpaperOffsetsComplete(IBinder window); 170 171 Bundle sendWallpaperCommand(IBinder window, String action, int x, int y, 172 int z, in Bundle extras, boolean sync); 173 174 void wallpaperCommandComplete(IBinder window, in Bundle result); 175 } 176
