am fb86ce93: Add watermark support. (9185e26a) · Commits · e / os / android_frameworks_base

services/java/com/android/server/WindowManagerService.java

+110 −6

Original line number	Diff line number	Diff line
		@@ -62,10 +62,14 @@ import android.content.pm.ActivityInfo;
		import android.content.pm.PackageManager;
		import android.content.res.CompatibilityInfo;
		import android.content.res.Configuration;
		import android.graphics.Canvas;
		import android.graphics.Matrix;
		import android.graphics.Paint;
		import android.graphics.PixelFormat;
		import android.graphics.Rect;
		import android.graphics.Region;
		import android.graphics.Typeface;
		import android.graphics.Paint.FontMetricsInt;
		import android.os.BatteryStats;
		import android.os.Binder;
		import android.os.Bundle;
		@@ -92,6 +96,7 @@ import android.util.EventLog;
		import android.util.Log;
		import android.util.Slog;
		import android.util.SparseIntArray;
		import android.util.TypedValue;
		import android.view.Display;
		import android.view.Gravity;
		import android.view.HapticFeedbackConstants;
		@@ -115,6 +120,7 @@ import android.view.ViewTreeObserver;
		import android.view.WindowManager;
		import android.view.WindowManagerImpl;
		import android.view.WindowManagerPolicy;
		import android.view.Surface.OutOfResourcesException;
		import android.view.WindowManager.LayoutParams;
		import android.view.animation.AccelerateInterpolator;
		import android.view.animation.Animation;
		@@ -370,6 +376,7 @@ public class WindowManagerService extends IWindowManager.Stub
		private DimAnimator mDimAnimator = null;
		Surface mBlurSurface;
		boolean mBlurShown;
		Watermark mWatermark;

		int mTransactionSequence = 0;

		@@ -8515,12 +8522,6 @@ public class WindowManagerService extends IWindowManager.Stub
		updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES);
		}

		if (mFxSession == null) {
		mFxSession = new SurfaceSession();
		}

		if (SHOW_TRANSACTIONS) Slog.i(TAG, ">>> OPEN TRANSACTION");

		// Initialize state of exiting tokens.
		for (i=mExitingTokens.size()-1; i>=0; i--) {
		mExitingTokens.get(i).hasVisible = false;
		@@ -8537,8 +8538,24 @@ public class WindowManagerService extends IWindowManager.Stub
		float buttonBrightness = -1;
		boolean focusDisplayed = false;
		boolean animating = false;
		boolean createWatermark = false;

		if (mFxSession == null) {
		mFxSession = new SurfaceSession();
		createWatermark = true;
		}

		if (SHOW_TRANSACTIONS) Slog.i(TAG, ">>> OPEN TRANSACTION");

		Surface.openTransaction();

		if (createWatermark) {
		createWatermark();
		}
		if (mWatermark != null) {
		mWatermark.positionSurface(dw, dh);
		}

		try {
		boolean wallpaperForceHidingChanged = false;
		int repeats = 0;
		@@ -10055,6 +10072,93 @@ public class WindowManagerService extends IWindowManager.Stub
		mScreenFrozenLock.release();
		}

		static int getPropertyInt(String name, int defUnits, int defDps, DisplayMetrics dm) {
		String str = SystemProperties.get(name);
		try {
		int val = Integer.parseInt(str);
		return val;
		} catch (Exception e) {
		}
		if (defUnits == TypedValue.COMPLEX_UNIT_PX) {
		return defDps;
		}
		int val = (int)TypedValue.applyDimension(defUnits, defDps, dm);
		return val;
		}

		class Watermark {
		Surface mSurface;
		int mWidth;
		int mHeight;
		int mXPercent;
		int mYPercent;

		Watermark(SurfaceSession session, String text) {
		final DisplayMetrics dm = new DisplayMetrics();
		mDisplay.getMetrics(dm);

		int fontSize = getPropertyInt("ro.watermark.height",
		TypedValue.COMPLEX_UNIT_DIP, 48, dm);
		mXPercent = getPropertyInt("ro.watermark.x",
		TypedValue.COMPLEX_UNIT_PX, 50, dm);
		mYPercent = getPropertyInt("ro.watermark.y",
		TypedValue.COMPLEX_UNIT_PX, 99, dm);
		int color = getPropertyInt("ro.watermark.color",
		TypedValue.COMPLEX_UNIT_PX, 0x80ffffff, dm);
		int shadowRadius = getPropertyInt("ro.watermark.shadow.radius",
		TypedValue.COMPLEX_UNIT_PX, 5, dm);
		int shadowDx = getPropertyInt("ro.watermark.shadow.dx",
		TypedValue.COMPLEX_UNIT_PX, 0, dm);
		int shadowDy = getPropertyInt("ro.watermark.shadow.dy",
		TypedValue.COMPLEX_UNIT_PX, 0, dm);
		int shadowColor = getPropertyInt("ro.watermark.shadow.color",
		TypedValue.COMPLEX_UNIT_PX, 0xff000000, dm);

		Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
		paint.setTextSize(fontSize);
		paint.setColor(color);
		paint.setShadowLayer(shadowRadius, shadowDx, shadowDy, shadowColor);
		paint.setTypeface(Typeface.create(Typeface.SANS_SERIF, Typeface.BOLD));

		FontMetricsInt fm = paint.getFontMetricsInt();
		mHeight = fm.descent - fm.ascent + 20;
		mWidth = (int)paint.measureText(text) + 20;

		try {
		mSurface = new Surface(session, 0,
		"WatermarkSurface",
		-1, mWidth, mHeight, PixelFormat.TRANSLUCENT, 0);
		mSurface.setLayer(TYPE_LAYER_MULTIPLIER*100);
		Rect dirty = new Rect(0, 0, mWidth, mHeight);
		Canvas c = mSurface.lockCanvas(dirty);
		c.drawText(text, 10, -fm.ascent+10, paint);
		mSurface.unlockCanvasAndPost(c);
		mSurface.show();
		} catch (OutOfResourcesException e) {
		}
		}

		void positionSurface(int dw, int dh) {
		int availW = dw - mWidth;
		int availH = dh - mHeight;
		mSurface.setPosition((availW*mXPercent)/100,
		(availH*mYPercent)/100);
		}
		}

		void createWatermark() {
		if (mWatermark != null) {
		return;
		}

		String text = SystemProperties.get("ro.watermark.text");
		if (text == null \|\| text.length() <= 0) {
		return;
		}

		mWatermark = new Watermark(mFxSession, text);
		}

		@Override
		public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
		if (mContext.checkCallingOrSelfPermission("android.permission.DUMP")