void attach(IWallpaperEngineWrapper wrapper) { if (DEBUG) Log.v(TAG, "attach: " + this + " wrapper=" + wrapper); if (mDestroyed) { return; } mIWallpaperEngine = wrapper; mCaller = wrapper.mCaller; mConnection = wrapper.mConnection; mWindowToken = wrapper.mWindowToken; mSurfaceHolder.setSizeFromLayout(); mInitializing = true; mSession = WindowManagerGlobal.getWindowSession(getMainLooper()); mWindow.setSession(mSession); mScreenOn = ((PowerManager) getSystemService(Context.POWER_SERVICE)).isScreenOn(); IntentFilter filter = new IntentFilter(); filter.addAction(Intent.ACTION_SCREEN_ON); filter.addAction(Intent.ACTION_SCREEN_OFF); registerReceiver(mReceiver, filter); if (DEBUG) Log.v(TAG, "onCreate(): " + this); onCreate(mSurfaceHolder); mInitializing = false; mReportedVisible = false; updateSurface(false, false, false); }
void doCommand(WallpaperCommand cmd) { Bundle result; if (!mDestroyed) { result = onCommand(cmd.action, cmd.x, cmd.y, cmd.z, cmd.extras, cmd.sync); } else { result = null; } if (cmd.sync) { try { if (DEBUG) Log.v(TAG, "Reporting command complete"); mSession.wallpaperCommandComplete(mWindow.asBinder(), result); } catch (RemoteException e) { } } }
void doOffsetsChanged(boolean always) { if (mDestroyed) { return; } if (!always && !mOffsetsChanged) { return; } float xOffset; float yOffset; float xOffsetStep; float yOffsetStep; boolean sync; synchronized (mLock) { xOffset = mPendingXOffset; yOffset = mPendingYOffset; xOffsetStep = mPendingXOffsetStep; yOffsetStep = mPendingYOffsetStep; sync = mPendingSync; mPendingSync = false; mOffsetMessageEnqueued = false; } if (mSurfaceCreated) { if (mReportedVisible) { if (DEBUG) Log.v(TAG, "Offsets change in " + this + ": " + xOffset + "," + yOffset); final int availw = mIWallpaperEngine.mReqWidth - mCurWidth; final int xPixels = availw > 0 ? -(int) (availw * xOffset + .5f) : 0; final int availh = mIWallpaperEngine.mReqHeight - mCurHeight; final int yPixels = availh > 0 ? -(int) (availh * yOffset + .5f) : 0; onOffsetsChanged(xOffset, yOffset, xOffsetStep, yOffsetStep, xPixels, yPixels); } else { mOffsetsChanged = true; } } if (sync) { try { if (DEBUG) Log.v(TAG, "Reporting offsets change complete"); mSession.wallpaperOffsetsComplete(mWindow.asBinder()); } catch (RemoteException e) { } } }