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.IWindowId; 28 import android.view.MotionEvent; 29 import android.view.WindowManager; 30 import android.view.Surface; 31 32 /** 33 * System private per-application interface to the window manager. 34 * 35 * {@hide} 36 */ 37 interface IWindowSession { 38 int add(IWindow window, int seq, in WindowManager.LayoutParams attrs, 39 in int viewVisibility, out Rect outContentInsets, 40 out InputChannel outInputChannel); 41 int addToDisplay(IWindow window, int seq, in WindowManager.LayoutParams attrs, 42 in int viewVisibility, in int layerStackId, out Rect outContentInsets, 43 out InputChannel outInputChannel); 44 int addWithoutInputChannel(IWindow window, int seq, in WindowManager.LayoutParams attrs, 45 in int viewVisibility, out Rect outContentInsets); 46 int addToDisplayWithoutInputChannel(IWindow window, int seq, in WindowManager.LayoutParams attrs, 47 in int viewVisibility, in int layerStackId, out Rect outContentInsets); 48 void remove(IWindow window); 49 50 /** 51 * Change the parameters of a window. You supply the 52 * new parameters, it returns the new frame of the window on screen (the 53 * position should be ignored) and surface of the window. The surface 54 * will be invalid if the window is currently hidden, else you can use it 55 * to draw the window's contents. 56 * 57 * @param window The window being modified. 58 * @param seq Ordering sequence number. 59 * @param attrs If non-null, new attributes to apply to the window. 60 * @param requestedWidth The width the window wants to be. 61 * @param requestedHeight The height the window wants to be. 62 * @param viewVisibility Window root view's visibility. 63 * @param flags Request flags: {@link WindowManagerGlobal#RELAYOUT_INSETS_PENDING}, 64 * {@link WindowManagerGlobal#RELAYOUT_DEFER_SURFACE_DESTROY}. 65 * @param outFrame Rect in which is placed the new position/size on 66 * screen. 67 * @param outOverscanInsets Rect in which is placed the offsets from 68 * <var>outFrame</var> in which the content of the window are inside 69 * of the display's overlay region. 70 * @param outContentInsets Rect in which is placed the offsets from 71 * <var>outFrame</var> in which the content of the window should be 72 * placed. This can be used to modify the window layout to ensure its 73 * contents are visible to the user, taking into account system windows 74 * like the status bar or a soft keyboard. 75 * @param outVisibleInsets Rect in which is placed the offsets from 76 * <var>outFrame</var> in which the window is actually completely visible 77 * to the user. This can be used to temporarily scroll the window's 78 * contents to make sure the user can see it. This is different than 79 * <var>outContentInsets</var> in that these insets change transiently, 80 * so complex relayout of the window should not happen based on them. 81 * @param outConfiguration New configuration of window, if it is now 82 * becoming visible and the global configuration has changed since it 83 * was last displayed. 84 * @param outSurface Object in which is placed the new display surface. 85 * 86 * @return int Result flags: {@link WindowManagerGlobal#RELAYOUT_SHOW_FOCUS}, 87 * {@link WindowManagerGlobal#RELAYOUT_FIRST_TIME}. 88 */ 89 int relayout(IWindow window, int seq, in WindowManager.LayoutParams attrs, 90 int requestedWidth, int requestedHeight, int viewVisibility, 91 int flags, out Rect outFrame, out Rect outOverscanInsets, 92 out Rect outContentInsets, out Rect outVisibleInsets, 93 out Configuration outConfig, out Surface outSurface); 94 95 /** 96 * If a call to relayout() asked to have the surface destroy deferred, 97 * it must call this once it is okay to destroy that surface. 98 */ 99 void performDeferredDestroy(IWindow window); 100 101 /** 102 * Called by a client to report that it ran out of graphics memory. 103 */ 104 boolean outOfMemory(IWindow window); 105 106 /** 107 * Give the window manager a hint of the part of the window that is 108 * completely transparent, allowing it to work with the surface flinger 109 * to optimize compositing of this part of the window. 110 */ 111 void setTransparentRegion(IWindow window, in Region region); 112 113 /** 114 * Tell the window manager about the content and visible insets of the 115 * given window, which can be used to adjust the <var>outContentInsets</var> 116 * and <var>outVisibleInsets</var> values returned by 117 * {@link #relayout relayout()} for windows behind this one. 118 * 119 * @param touchableInsets Controls which part of the window inside of its 120 * frame can receive pointer events, as defined by 121 * {@link android.view.ViewTreeObserver.InternalInsetsInfo}. 122 */ 123 void setInsets(IWindow window, int touchableInsets, in Rect contentInsets, 124 in Rect visibleInsets, in Region touchableRegion); 125 126 /** 127 * Return the current display size in which the window is being laid out, 128 * accounting for screen decorations around it. 129 */ 130 void getDisplayFrame(IWindow window, out Rect outDisplayFrame); 131 132 void finishDrawing(IWindow window); 133 134 void setInTouchMode(boolean showFocus); 135 boolean getInTouchMode(); 136 137 boolean performHapticFeedback(IWindow window, int effectId, boolean always); 138 139 /** 140 * Allocate the drag's thumbnail surface. Also assigns a token that identifies 141 * the drag to the OS and passes that as the return value. A return value of 142 * null indicates failure. 143 */ 144 IBinder prepareDrag(IWindow window, int flags, 145 int thumbnailWidth, int thumbnailHeight, out Surface outSurface); 146 147 /** 148 * Initiate the drag operation itself 149 */ 150 boolean performDrag(IWindow window, IBinder dragToken, float touchX, float touchY, 151 float thumbCenterX, float thumbCenterY, in ClipData data); 152 153 /** 154 * Report the result of a drop action targeted to the given window. 155 * consumed is 'true' when the drop was accepted by a valid recipient, 156 * 'false' otherwise. 157 */ 158 void reportDropResult(IWindow window, boolean consumed); 159 160 /** 161 * Tell the OS that we've just dragged into a View that is willing to accept the drop 162 */ 163 void dragRecipientEntered(IWindow window); 164 165 /** 166 * Tell the OS that we've just dragged *off* of a View that was willing to accept the drop 167 */ 168 void dragRecipientExited(IWindow window); 169 170 /** 171 * For windows with the wallpaper behind them, and the wallpaper is 172 * larger than the screen, set the offset within the screen. 173 * For multi screen launcher type applications, xstep and ystep indicate 174 * how big the increment is from one screen to another. 175 */ 176 void setWallpaperPosition(IBinder windowToken, float x, float y, float xstep, float ystep); 177 178 void wallpaperOffsetsComplete(IBinder window); 179 180 Bundle sendWallpaperCommand(IBinder window, String action, int x, int y, 181 int z, in Bundle extras, boolean sync); 182 183 void wallpaperCommandComplete(IBinder window, in Bundle result); 184 185 void setUniverseTransform(IBinder window, float alpha, float offx, float offy, 186 float dsdx, float dtdx, float dsdy, float dtdy); 187 188 /** 189 * Notifies that a rectangle on the screen has been requested. 190 */ 191 void onRectangleOnScreenRequested(IBinder token, in Rect rectangle, boolean immediate); 192 193 IWindowId getWindowId(IBinder window); 194 } 195
