| /* |
| * Copyright (C) 2012 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 android.view; |
| |
| import android.animation.ValueAnimator; |
| import android.app.ActivityManager; |
| import android.content.ComponentCallbacks2; |
| import android.content.Context; |
| import android.content.pm.ApplicationInfo; |
| import android.content.res.Configuration; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.SystemProperties; |
| import android.util.AndroidRuntimeException; |
| import android.util.ArraySet; |
| import android.util.Log; |
| import android.view.inputmethod.InputMethodManager; |
| import com.android.internal.util.FastPrintWriter; |
| |
| import java.io.FileDescriptor; |
| import java.io.FileOutputStream; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| |
| /** |
| * Provides low-level communication with the system window manager for |
| * operations that are not associated with any particular context. |
| * |
| * This class is only used internally to implement global functions where |
| * the caller already knows the display and relevant compatibility information |
| * for the operation. For most purposes, you should use {@link WindowManager} instead |
| * since it is bound to a context. |
| * |
| * @see WindowManagerImpl |
| * @hide |
| */ |
| public final class WindowManagerGlobal { |
| private static final String TAG = "WindowManager"; |
| |
| /** |
| * The user is navigating with keys (not the touch screen), so |
| * navigational focus should be shown. |
| */ |
| public static final int RELAYOUT_RES_IN_TOUCH_MODE = 0x1; |
| |
| /** |
| * This is the first time the window is being drawn, |
| * so the client must call drawingFinished() when done |
| */ |
| public static final int RELAYOUT_RES_FIRST_TIME = 0x2; |
| |
| /** |
| * The window manager has changed the surface from the last call. |
| */ |
| public static final int RELAYOUT_RES_SURFACE_CHANGED = 0x4; |
| |
| /** |
| * The window is being resized by dragging one of the window corners, |
| * in this case the surface would be fullscreen-sized. The client should |
| * render to the actual frame location (instead of (0,curScrollY)). |
| */ |
| public static final int RELAYOUT_RES_DRAG_RESIZING = 0x8; |
| |
| /** |
| * Flag for relayout: the client will be later giving |
| * internal insets; as a result, the window will not impact other window |
| * layouts until the insets are given. |
| */ |
| public static final int RELAYOUT_INSETS_PENDING = 0x1; |
| |
| /** |
| * Flag for relayout: the client may be currently using the current surface, |
| * so if it is to be destroyed as a part of the relayout the destroy must |
| * be deferred until later. The client will call performDeferredDestroy() |
| * when it is okay. |
| */ |
| public static final int RELAYOUT_DEFER_SURFACE_DESTROY = 0x2; |
| |
| public static final int ADD_FLAG_APP_VISIBLE = 0x2; |
| public static final int ADD_FLAG_IN_TOUCH_MODE = RELAYOUT_RES_IN_TOUCH_MODE; |
| |
| public static final int ADD_OKAY = 0; |
| public static final int ADD_BAD_APP_TOKEN = -1; |
| public static final int ADD_BAD_SUBWINDOW_TOKEN = -2; |
| public static final int ADD_NOT_APP_TOKEN = -3; |
| public static final int ADD_APP_EXITING = -4; |
| public static final int ADD_DUPLICATE_ADD = -5; |
| public static final int ADD_STARTING_NOT_NEEDED = -6; |
| public static final int ADD_MULTIPLE_SINGLETON = -7; |
| public static final int ADD_PERMISSION_DENIED = -8; |
| public static final int ADD_INVALID_DISPLAY = -9; |
| public static final int ADD_INVALID_TYPE = -10; |
| |
| private static WindowManagerGlobal sDefaultWindowManager; |
| private static IWindowManager sWindowManagerService; |
| private static IWindowSession sWindowSession; |
| |
| private final Object mLock = new Object(); |
| |
| private final ArrayList<View> mViews = new ArrayList<View>(); |
| private final ArrayList<ViewRootImpl> mRoots = new ArrayList<ViewRootImpl>(); |
| private final ArrayList<WindowManager.LayoutParams> mParams = |
| new ArrayList<WindowManager.LayoutParams>(); |
| private final ArraySet<View> mDyingViews = new ArraySet<View>(); |
| |
| private Runnable mSystemPropertyUpdater; |
| |
| private WindowManagerGlobal() { |
| } |
| |
| public static void initialize() { |
| getWindowManagerService(); |
| } |
| |
| public static WindowManagerGlobal getInstance() { |
| synchronized (WindowManagerGlobal.class) { |
| if (sDefaultWindowManager == null) { |
| sDefaultWindowManager = new WindowManagerGlobal(); |
| } |
| return sDefaultWindowManager; |
| } |
| } |
| |
| public static IWindowManager getWindowManagerService() { |
| synchronized (WindowManagerGlobal.class) { |
| if (sWindowManagerService == null) { |
| sWindowManagerService = IWindowManager.Stub.asInterface( |
| ServiceManager.getService("window")); |
| try { |
| sWindowManagerService = getWindowManagerService(); |
| ValueAnimator.setDurationScale(sWindowManagerService.getCurrentAnimatorScale()); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Failed to get WindowManagerService, cannot set animator scale", e); |
| } |
| } |
| return sWindowManagerService; |
| } |
| } |
| |
| public static IWindowSession getWindowSession() { |
| synchronized (WindowManagerGlobal.class) { |
| if (sWindowSession == null) { |
| try { |
| InputMethodManager imm = InputMethodManager.getInstance(); |
| IWindowManager windowManager = getWindowManagerService(); |
| sWindowSession = windowManager.openSession( |
| new IWindowSessionCallback.Stub() { |
| @Override |
| public void onAnimatorScaleChanged(float scale) { |
| ValueAnimator.setDurationScale(scale); |
| } |
| }, |
| imm.getClient(), imm.getInputContext()); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Failed to open window session", e); |
| } |
| } |
| return sWindowSession; |
| } |
| } |
| |
| public static IWindowSession peekWindowSession() { |
| synchronized (WindowManagerGlobal.class) { |
| return sWindowSession; |
| } |
| } |
| |
| public String[] getViewRootNames() { |
| synchronized (mLock) { |
| final int numRoots = mRoots.size(); |
| String[] mViewRoots = new String[numRoots]; |
| for (int i = 0; i < numRoots; ++i) { |
| mViewRoots[i] = getWindowName(mRoots.get(i)); |
| } |
| return mViewRoots; |
| } |
| } |
| |
| public ArrayList<ViewRootImpl> getRootViews(IBinder token) { |
| ArrayList<ViewRootImpl> views = new ArrayList<>(); |
| synchronized (mLock) { |
| final int numRoots = mRoots.size(); |
| for (int i = 0; i < numRoots; ++i) { |
| WindowManager.LayoutParams params = mParams.get(i); |
| if (params.token == null) { |
| continue; |
| } |
| if (params.token != token) { |
| boolean isChild = false; |
| if (params.type >= WindowManager.LayoutParams.FIRST_SUB_WINDOW |
| && params.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) { |
| for (int j = 0 ; j < numRoots; ++j) { |
| View viewj = mViews.get(j); |
| WindowManager.LayoutParams paramsj = mParams.get(j); |
| if (params.token == viewj.getWindowToken() |
| && paramsj.token == token) { |
| isChild = true; |
| break; |
| } |
| } |
| } |
| if (!isChild) { |
| continue; |
| } |
| } |
| views.add(mRoots.get(i)); |
| } |
| } |
| return views; |
| } |
| |
| public View getRootView(String name) { |
| synchronized (mLock) { |
| for (int i = mRoots.size() - 1; i >= 0; --i) { |
| final ViewRootImpl root = mRoots.get(i); |
| if (name.equals(getWindowName(root))) return root.getView(); |
| } |
| } |
| |
| return null; |
| } |
| |
| public void addView(View view, ViewGroup.LayoutParams params, |
| Display display, Window parentWindow) { |
| if (view == null) { |
| throw new IllegalArgumentException("view must not be null"); |
| } |
| if (display == null) { |
| throw new IllegalArgumentException("display must not be null"); |
| } |
| if (!(params instanceof WindowManager.LayoutParams)) { |
| throw new IllegalArgumentException("Params must be WindowManager.LayoutParams"); |
| } |
| |
| final WindowManager.LayoutParams wparams = (WindowManager.LayoutParams) params; |
| if (parentWindow != null) { |
| parentWindow.adjustLayoutParamsForSubWindow(wparams); |
| } else { |
| // If there's no parent, then hardware acceleration for this view is |
| // set from the application's hardware acceleration setting. |
| final Context context = view.getContext(); |
| if (context != null |
| && (context.getApplicationInfo().flags |
| & ApplicationInfo.FLAG_HARDWARE_ACCELERATED) != 0) { |
| wparams.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED; |
| } |
| } |
| |
| ViewRootImpl root; |
| View panelParentView = null; |
| |
| synchronized (mLock) { |
| // Start watching for system property changes. |
| if (mSystemPropertyUpdater == null) { |
| mSystemPropertyUpdater = new Runnable() { |
| @Override public void run() { |
| synchronized (mLock) { |
| for (int i = mRoots.size() - 1; i >= 0; --i) { |
| mRoots.get(i).loadSystemProperties(); |
| } |
| } |
| } |
| }; |
| SystemProperties.addChangeCallback(mSystemPropertyUpdater); |
| } |
| |
| int index = findViewLocked(view, false); |
| if (index >= 0) { |
| if (mDyingViews.contains(view)) { |
| // Don't wait for MSG_DIE to make it's way through root's queue. |
| mRoots.get(index).doDie(); |
| } else { |
| throw new IllegalStateException("View " + view |
| + " has already been added to the window manager."); |
| } |
| // The previous removeView() had not completed executing. Now it has. |
| } |
| |
| // If this is a panel window, then find the window it is being |
| // attached to for future reference. |
| if (wparams.type >= WindowManager.LayoutParams.FIRST_SUB_WINDOW && |
| wparams.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) { |
| final int count = mViews.size(); |
| for (int i = 0; i < count; i++) { |
| if (mRoots.get(i).mWindow.asBinder() == wparams.token) { |
| panelParentView = mViews.get(i); |
| } |
| } |
| } |
| |
| root = new ViewRootImpl(view.getContext(), display); |
| |
| view.setLayoutParams(wparams); |
| |
| mViews.add(view); |
| mRoots.add(root); |
| mParams.add(wparams); |
| } |
| |
| // do this last because it fires off messages to start doing things |
| try { |
| root.setView(view, wparams, panelParentView); |
| } catch (RuntimeException e) { |
| // BadTokenException or InvalidDisplayException, clean up. |
| synchronized (mLock) { |
| final int index = findViewLocked(view, false); |
| if (index >= 0) { |
| removeViewLocked(index, true); |
| } |
| } |
| throw e; |
| } |
| } |
| |
| public void updateViewLayout(View view, ViewGroup.LayoutParams params) { |
| if (view == null) { |
| throw new IllegalArgumentException("view must not be null"); |
| } |
| if (!(params instanceof WindowManager.LayoutParams)) { |
| throw new IllegalArgumentException("Params must be WindowManager.LayoutParams"); |
| } |
| |
| final WindowManager.LayoutParams wparams = (WindowManager.LayoutParams)params; |
| |
| view.setLayoutParams(wparams); |
| |
| synchronized (mLock) { |
| int index = findViewLocked(view, true); |
| ViewRootImpl root = mRoots.get(index); |
| mParams.remove(index); |
| mParams.add(index, wparams); |
| root.setLayoutParams(wparams, false); |
| } |
| } |
| |
| public void removeView(View view, boolean immediate) { |
| if (view == null) { |
| throw new IllegalArgumentException("view must not be null"); |
| } |
| |
| synchronized (mLock) { |
| int index = findViewLocked(view, true); |
| View curView = mRoots.get(index).getView(); |
| removeViewLocked(index, immediate); |
| if (curView == view) { |
| return; |
| } |
| |
| throw new IllegalStateException("Calling with view " + view |
| + " but the ViewAncestor is attached to " + curView); |
| } |
| } |
| |
| public void closeAll(IBinder token, String who, String what) { |
| synchronized (mLock) { |
| int count = mViews.size(); |
| //Log.i("foo", "Closing all windows of " + token); |
| for (int i = 0; i < count; i++) { |
| //Log.i("foo", "@ " + i + " token " + mParams[i].token |
| // + " view " + mRoots[i].getView()); |
| if (token == null || mParams.get(i).token == token) { |
| ViewRootImpl root = mRoots.get(i); |
| |
| //Log.i("foo", "Force closing " + root); |
| if (who != null) { |
| WindowLeaked leak = new WindowLeaked( |
| what + " " + who + " has leaked window " |
| + root.getView() + " that was originally added here"); |
| leak.setStackTrace(root.getLocation().getStackTrace()); |
| Log.e(TAG, "", leak); |
| } |
| |
| removeViewLocked(i, false); |
| } |
| } |
| } |
| } |
| |
| private void removeViewLocked(int index, boolean immediate) { |
| ViewRootImpl root = mRoots.get(index); |
| View view = root.getView(); |
| |
| if (view != null) { |
| InputMethodManager imm = InputMethodManager.getInstance(); |
| if (imm != null) { |
| imm.windowDismissed(mViews.get(index).getWindowToken()); |
| } |
| } |
| boolean deferred = root.die(immediate); |
| if (view != null) { |
| view.assignParent(null); |
| if (deferred) { |
| mDyingViews.add(view); |
| } |
| } |
| } |
| |
| void doRemoveView(ViewRootImpl root) { |
| synchronized (mLock) { |
| final int index = mRoots.indexOf(root); |
| if (index >= 0) { |
| mRoots.remove(index); |
| mParams.remove(index); |
| final View view = mViews.remove(index); |
| mDyingViews.remove(view); |
| } |
| } |
| if (HardwareRenderer.sTrimForeground && HardwareRenderer.isAvailable()) { |
| doTrimForeground(); |
| } |
| } |
| |
| private int findViewLocked(View view, boolean required) { |
| final int index = mViews.indexOf(view); |
| if (required && index < 0) { |
| throw new IllegalArgumentException("View=" + view + " not attached to window manager"); |
| } |
| return index; |
| } |
| |
| public static boolean shouldDestroyEglContext(int trimLevel) { |
| // On low-end gfx devices we trim when memory is moderate; |
| // on high-end devices we do this when low. |
| if (trimLevel >= ComponentCallbacks2.TRIM_MEMORY_COMPLETE) { |
| return true; |
| } |
| if (trimLevel >= ComponentCallbacks2.TRIM_MEMORY_MODERATE |
| && !ActivityManager.isHighEndGfx()) { |
| return true; |
| } |
| return false; |
| } |
| |
| public void trimMemory(int level) { |
| if (HardwareRenderer.isAvailable()) { |
| if (shouldDestroyEglContext(level)) { |
| // Destroy all hardware surfaces and resources associated to |
| // known windows |
| synchronized (mLock) { |
| for (int i = mRoots.size() - 1; i >= 0; --i) { |
| mRoots.get(i).destroyHardwareResources(); |
| } |
| } |
| // Force a full memory flush |
| level = ComponentCallbacks2.TRIM_MEMORY_COMPLETE; |
| } |
| |
| HardwareRenderer.trimMemory(level); |
| |
| if (HardwareRenderer.sTrimForeground) { |
| doTrimForeground(); |
| } |
| } |
| } |
| |
| public static void trimForeground() { |
| if (HardwareRenderer.sTrimForeground && HardwareRenderer.isAvailable()) { |
| WindowManagerGlobal wm = WindowManagerGlobal.getInstance(); |
| wm.doTrimForeground(); |
| } |
| } |
| |
| private void doTrimForeground() { |
| boolean hasVisibleWindows = false; |
| synchronized (mLock) { |
| for (int i = mRoots.size() - 1; i >= 0; --i) { |
| final ViewRootImpl root = mRoots.get(i); |
| if (root.mView != null && root.getHostVisibility() == View.VISIBLE |
| && root.mAttachInfo.mHardwareRenderer != null) { |
| hasVisibleWindows = true; |
| } else { |
| root.destroyHardwareResources(); |
| } |
| } |
| } |
| if (!hasVisibleWindows) { |
| HardwareRenderer.trimMemory( |
| ComponentCallbacks2.TRIM_MEMORY_COMPLETE); |
| } |
| } |
| |
| public void dumpGfxInfo(FileDescriptor fd, String[] args) { |
| FileOutputStream fout = new FileOutputStream(fd); |
| PrintWriter pw = new FastPrintWriter(fout); |
| try { |
| synchronized (mLock) { |
| final int count = mViews.size(); |
| |
| pw.println("Profile data in ms:"); |
| |
| for (int i = 0; i < count; i++) { |
| ViewRootImpl root = mRoots.get(i); |
| String name = getWindowName(root); |
| pw.printf("\n\t%s (visibility=%d)", name, root.getHostVisibility()); |
| |
| HardwareRenderer renderer = |
| root.getView().mAttachInfo.mHardwareRenderer; |
| if (renderer != null) { |
| renderer.dumpGfxInfo(pw, fd, args); |
| } |
| } |
| |
| pw.println("\nView hierarchy:\n"); |
| |
| int viewsCount = 0; |
| int displayListsSize = 0; |
| int[] info = new int[2]; |
| |
| for (int i = 0; i < count; i++) { |
| ViewRootImpl root = mRoots.get(i); |
| root.dumpGfxInfo(info); |
| |
| String name = getWindowName(root); |
| pw.printf(" %s\n %d views, %.2f kB of display lists", |
| name, info[0], info[1] / 1024.0f); |
| pw.printf("\n\n"); |
| |
| viewsCount += info[0]; |
| displayListsSize += info[1]; |
| } |
| |
| pw.printf("\nTotal ViewRootImpl: %d\n", count); |
| pw.printf("Total Views: %d\n", viewsCount); |
| pw.printf("Total DisplayList: %.2f kB\n\n", displayListsSize / 1024.0f); |
| } |
| } finally { |
| pw.flush(); |
| } |
| } |
| |
| private static String getWindowName(ViewRootImpl root) { |
| return root.mWindowAttributes.getTitle() + "/" + |
| root.getClass().getName() + '@' + Integer.toHexString(root.hashCode()); |
| } |
| |
| public void setStoppedState(IBinder token, boolean stopped) { |
| synchronized (mLock) { |
| int count = mViews.size(); |
| for (int i = 0; i < count; i++) { |
| if (token == null || mParams.get(i).token == token) { |
| ViewRootImpl root = mRoots.get(i); |
| root.setWindowStopped(stopped); |
| } |
| } |
| } |
| } |
| |
| public void reportNewConfiguration(Configuration config) { |
| synchronized (mLock) { |
| int count = mViews.size(); |
| config = new Configuration(config); |
| for (int i=0; i < count; i++) { |
| ViewRootImpl root = mRoots.get(i); |
| root.requestUpdateConfiguration(config); |
| } |
| } |
| } |
| |
| /** @hide */ |
| public void changeCanvasOpacity(IBinder token, boolean opaque) { |
| if (token == null) { |
| return; |
| } |
| synchronized (mLock) { |
| for (int i = mParams.size() - 1; i >= 0; --i) { |
| if (mParams.get(i).token == token) { |
| mRoots.get(i).changeCanvasOpacity(opaque); |
| return; |
| } |
| } |
| } |
| } |
| } |
| |
| final class WindowLeaked extends AndroidRuntimeException { |
| public WindowLeaked(String msg) { |
| super(msg); |
| } |
| } |