Do not merge (12bcbdc6) · Commits · e / os / android_frameworks_base

core/java/android/webkit/DebugFlags.java

+2 −0

Original line number	Diff line number	Diff line
		@@ -32,6 +32,8 @@ class DebugFlags {
		public static final boolean CALLBACK_PROXY = false;
		public static final boolean COOKIE_MANAGER = false;
		public static final boolean COOKIE_SYNC_MANAGER = false;
		public static final boolean DRAG_TRACKER = false;
		public static final String DRAG_TRACKER_LOGTAG = "skia";
		public static final boolean FRAME_LOADER = false;
		public static final boolean J_WEB_CORE_JAVA_BRIDGE = false;// HIGHLY VERBOSE
		public static final boolean LOAD_LISTENER = false;

core/java/android/webkit/WebView.java

+190 −10

Original line number	Diff line number	Diff line
		@@ -200,6 +200,8 @@ public class WebView extends AbsoluteLayout
		implements ViewTreeObserver.OnGlobalFocusChangeListener,
		ViewGroup.OnHierarchyChangeListener {

		// enable debug output for drag trackers
		private static final boolean DEBUG_DRAG_TRACKER = false;
		// if AUTO_REDRAW_HACK is true, then the CALL key will toggle redrawing
		// the screen all-the-time. Good for profiling our drawing code
		static private final boolean AUTO_REDRAW_HACK = false;
		@@ -2796,16 +2798,7 @@ public class WebView extends AbsoluteLayout
		return super.drawChild(canvas, child, drawingTime);
		}

		@Override
		protected void onDraw(Canvas canvas) {
		// if mNativeClass is 0, the WebView has been destroyed. Do nothing.
		if (mNativeClass == 0) {
		return;
		}
		int saveCount = canvas.save();
		if (mTitleBar != null) {
		canvas.translate(0, (int) mTitleBar.getHeight());
		}
		private void drawContent(Canvas canvas) {
		// Update the buttons in the picture, so when we draw the picture
		// to the screen, they are in the correct state.
		// Tell the native side if user is a) touching the screen,
		@@ -2818,6 +2811,21 @@ public class WebView extends AbsoluteLayout
		mTouchMode == TOUCH_SHORTPRESS_START_MODE
		\|\| mTrackballDown \|\| mGotCenterDown, false);
		drawCoreAndCursorRing(canvas, mBackgroundColor, mDrawCursorRing);
		}

		@Override
		protected void onDraw(Canvas canvas) {
		// if mNativeClass is 0, the WebView has been destroyed. Do nothing.
		if (mNativeClass == 0) {
		return;
		}
		int saveCount = canvas.save();
		if (mTitleBar != null) {
		canvas.translate(0, (int) mTitleBar.getHeight());
		}
		if (mDragTrackerHandler == null \|\| !mDragTrackerHandler.draw(canvas)) {
		drawContent(canvas);
		}
		canvas.restoreToCount(saveCount);

		// Now draw the shadow.
		@@ -3790,6 +3798,162 @@ public class WebView extends AbsoluteLayout
		}
		}

		// if the page can scroll <= this value, we won't allow the drag tracker
		// to have any effect.
		private static final int MIN_SCROLL_AMOUNT_TO_DISABLE_DRAG_TRACKER = 4;

		private class DragTrackerHandler {
		private final DragTracker mProxy;
		private final float mStartY, mStartX;
		private final float mMinDY, mMinDX;
		private final float mMaxDY, mMaxDX;
		private float mCurrStretchY, mCurrStretchX;
		private int mSX, mSY;

		public DragTrackerHandler(float x, float y, DragTracker proxy) {
		mProxy = proxy;

		int docBottom = computeVerticalScrollRange() + getTitleHeight();
		int viewTop = getScrollY();
		int viewBottom = viewTop + getHeight();

		mStartY = y;
		mMinDY = -viewTop;
		mMaxDY = docBottom - viewBottom;

		if (DebugFlags.DRAG_TRACKER \|\| DEBUG_DRAG_TRACKER) {
		Log.d(DebugFlags.DRAG_TRACKER_LOGTAG, " dragtracker y= " + y +
		" up/down= " + mMinDY + " " + mMaxDY);
		}

		int docRight = computeHorizontalScrollRange();
		int viewLeft = getScrollX();
		int viewRight = viewLeft + getWidth();
		mStartX = x;
		mMinDX = -viewLeft;
		mMaxDX = docRight - viewRight;

		mProxy.onStartDrag(x, y);

		// ensure we buildBitmap at least once
		mSX = -99999;
		}

		private float computeStretch(float delta, float min, float max) {
		float stretch = 0;
		if (max - min > MIN_SCROLL_AMOUNT_TO_DISABLE_DRAG_TRACKER) {
		if (delta < min) {
		stretch = delta - min;
		} else if (delta > max) {
		stretch = delta - max;
		}
		}
		return stretch;
		}

		public void dragTo(float x, float y) {
		float sy = computeStretch(mStartY - y, mMinDY, mMaxDY);
		float sx = computeStretch(mStartX - x, mMinDX, mMaxDX);

		if (mCurrStretchX != sx \|\| mCurrStretchY != sy) {
		mCurrStretchX = sx;
		mCurrStretchY = sy;
		if (DebugFlags.DRAG_TRACKER \|\| DEBUG_DRAG_TRACKER) {
		Log.d(DebugFlags.DRAG_TRACKER_LOGTAG, "---- stretch " + sx +
		" " + sy);
		}
		if (mProxy.onStretchChange(sx, sy)) {
		invalidate();
		}
		}
		}

		public void stopDrag() {
		if (DebugFlags.DRAG_TRACKER \|\| DEBUG_DRAG_TRACKER) {
		Log.d(DebugFlags.DRAG_TRACKER_LOGTAG, "----- stopDrag");
		}
		mProxy.onStopDrag();
		}

		private int hiddenHeightOfTitleBar() {
		return getTitleHeight() - getVisibleTitleHeight();
		}

		// need a way to know if 565 or 8888 is the right config for
		// capturing the display and giving it to the drag proxy
		private Bitmap.Config offscreenBitmapConfig() {
		// hard code 565 for now
		return Bitmap.Config.RGB_565;
		}

		/* If the tracker draws, then this returns true, otherwise it will
		return false, and draw nothing.
		*/
		public boolean draw(Canvas canvas) {
		if (mCurrStretchX != 0 \|\| mCurrStretchY != 0) {
		int sx = getScrollX();
		int sy = getScrollY() - hiddenHeightOfTitleBar();

		if (mSX != sx \|\| mSY != sy) {
		buildBitmap(sx, sy);
		mSX = sx;
		mSY = sy;
		}

		int count = canvas.save(Canvas.MATRIX_SAVE_FLAG);
		canvas.translate(sx, sy);
		mProxy.onDraw(canvas);
		canvas.restoreToCount(count);
		return true;
		}
		if (DebugFlags.DRAG_TRACKER \|\| DEBUG_DRAG_TRACKER) {
		Log.d(DebugFlags.DRAG_TRACKER_LOGTAG, " -- draw false " +
		mCurrStretchX + " " + mCurrStretchY);
		}
		return false;
		}

		private void buildBitmap(int sx, int sy) {
		int w = getWidth();
		int h = getViewHeight();
		Bitmap bm = Bitmap.createBitmap(w, h, offscreenBitmapConfig());
		Canvas canvas = new Canvas(bm);
		canvas.translate(-sx, -sy);
		drawContent(canvas);

		if (DebugFlags.DRAG_TRACKER \|\| DEBUG_DRAG_TRACKER) {
		Log.d(DebugFlags.DRAG_TRACKER_LOGTAG, "--- buildBitmap " + sx +
		" " + sy + " " + w + " " + h);
		}
		mProxy.onBitmapChange(bm);
		}
		}

		/** @hide */
		public static class DragTracker {
		public void onStartDrag(float x, float y) {}
		public boolean onStretchChange(float sx, float sy) {
		// return true to have us inval the view
		return false;
		}
		public void onStopDrag() {}
		public void onBitmapChange(Bitmap bm) {}
		public void onDraw(Canvas canvas) {}
		}

		/** @hide */
		public DragTracker getDragTracker() {
		return mDragTracker;
		}

		/** @hide */
		public void setDragTracker(DragTracker tracker) {
		mDragTracker = tracker;
		}

		private DragTracker mDragTracker;
		private DragTrackerHandler mDragTrackerHandler;

		@Override
		public boolean onTouchEvent(MotionEvent ev) {
		if (mNativeClass == 0 \|\| !isClickable() \|\| !isLongClickable()) {
		@@ -3888,6 +4052,10 @@ public class WebView extends AbsoluteLayout
		}
		// Remember where the motion event started
		startTouch(x, y, eventTime);
		if (mDragTracker != null) {
		mDragTrackerHandler = new DragTrackerHandler(x, y,
		mDragTracker);
		}
		break;
		}
		case MotionEvent.ACTION_MOVE: {
		@@ -4045,6 +4213,10 @@ public class WebView extends AbsoluteLayout
		}
		}

		if (mDragTrackerHandler != null) {
		mDragTrackerHandler.dragTo(x, y);
		}

		if (done) {
		// keep the scrollbar on the screen even there is no scroll
		awakenScrollBars(ViewConfiguration.getScrollDefaultDelay(),
		@@ -4056,6 +4228,10 @@ public class WebView extends AbsoluteLayout
		break;
		}
		case MotionEvent.ACTION_UP: {
		if (mDragTrackerHandler != null) {
		mDragTrackerHandler.stopDrag();
		mDragTrackerHandler = null;
		}
		mLastTouchUpTime = eventTime;
		switch (mTouchMode) {
		case TOUCH_DOUBLE_TAP_MODE: // double tap
		@@ -4131,6 +4307,10 @@ public class WebView extends AbsoluteLayout
		break;
		}
		case MotionEvent.ACTION_CANCEL: {
		if (mDragTrackerHandler != null) {
		mDragTrackerHandler.stopDrag();
		mDragTrackerHandler = null;
		}
		cancelTouch();
		break;
		}

core/jni/android/graphics/Canvas.cpp

+41 −1

Original line number	Diff line number	Diff line
		@@ -27,6 +27,9 @@
		#include "SkShader.h"
		#include "SkTemplates.h"

		#include "SkBoundaryPatch.h"
		#include "SkMeshUtils.h"

		#define TIME_DRAWx

		static uint32_t get_thread_msec() {
		@@ -965,6 +968,42 @@ static JNINativeMethod gCanvasMethods[] = {
		{"freeCaches", "()V", (void*) SkCanvasGlue::freeCaches}
		};

		///////////////////////////////////////////////////////////////////////////////

		static void BoundaryPatch_computeCubic(JNIEnv* env, jobject, jfloatArray jpts,
		int texW, int texH, int rows, int cols,
		jfloatArray jverts, jshortArray jidx) {
		AutoJavaFloatArray ptsArray(env, jpts, 24);

		int vertCount = rows * cols;
		AutoJavaFloatArray vertsArray(env, jverts, vertCount * 4);
		SkPoint* verts = (SkPoint*)vertsArray.ptr();
		SkPoint* texs = verts + vertCount;

		int idxCount = (rows - 1) * (cols - 1) * 6;
		AutoJavaShortArray idxArray(env, jidx, idxCount);
		uint16_t* idx = (uint16_t)idxArray.ptr(); // cast from int16_t

		SkCubicBoundary cubic;
		memcpy(cubic.fPts, ptsArray.ptr(), 12 * sizeof(SkPoint));

		SkBoundaryPatch patch;
		patch.setBoundary(&cubic);
		// generate our verts
		patch.evalPatch(verts, rows, cols);

		SkMeshIndices mesh;
		// generate our texs and idx
		mesh.init(texs, idx, texW, texH, rows, cols);
		}

		static JNINativeMethod gBoundaryPatchMethods[] = {
		{"nativeComputeCubicPatch", "([FIIII[F[S)V",
		(void*)BoundaryPatch_computeCubic },
		};

		///////////////////////////////////////////////////////////////////////////////

		#include <android_runtime/AndroidRuntime.h>

		#define REG(env, name, array) \
		@@ -976,6 +1015,7 @@ int register_android_graphics_Canvas(JNIEnv* env) {
		int result;

		REG(env, "android/graphics/Canvas", gCanvasMethods);
		REG(env, "android/graphics/utils/BoundaryPatch", gBoundaryPatchMethods);

		return result;
		}

graphics/java/android/graphics/utils/BoundaryPatch.java

0 → 100644

+173 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2009 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.graphics.utils;

		import android.graphics.Bitmap;
		import android.graphics.BitmapShader;
		import android.graphics.Canvas;
		import android.graphics.Paint;
		import android.graphics.Shader;
		import android.graphics.Xfermode;

		/**
		* @hide
		*/
		public class BoundaryPatch {
		private Paint mPaint;
		private Bitmap mTexture;
		private int mRows;
		private int mCols;
		private float[] mCubicPoints;
		private boolean mDirty;
		// these are the computed output of the native code
		private float[] mVerts;
		private short[] mIndices;

		public BoundaryPatch() {
		mRows = mCols = 2; // default minimum
		mCubicPoints = new float[24];
		mPaint = new Paint();
		mPaint.setDither(true);
		mPaint.setFilterBitmap(true);
		mDirty = true;
		}

		/**
		* Set the boundary to be 4 cubics. This takes a single array of floats,
		* and picks up the 12 pairs starting at offset, and treats them as
		* the x,y coordinates of the cubic control points. The points wrap around
		* a patch, as follows. For documentation purposes, pts[i] will mean the
		* x,y pair of floats, as if pts[] were an array of "points".
		*
		* Top: pts[0..3]
		* Right: pts[3..6]
		* Bottom: pts[6..9]
		* Right: pts[9..11], pts[0]
		*
		* The coordinates are copied from the input array, so subsequent changes
		* to pts[] will not be reflected in the boundary.
		*
		* @param pts The src array of x,y pairs for the boundary cubics
		* @param offset The index into pts of the first pair
		* @param rows The number of points across to approximate the boundary.
		* Must be >= 2, though very large values may slow down drawing
		* @param cols The number of points down to approximate the boundary.
		* Must be >= 2, though very large values may slow down drawing
		*/
		public void setCubicBoundary(float[] pts, int offset, int rows, int cols) {
		if (rows < 2 \|\| cols < 2) {
		throw new RuntimeException("rows and cols must be >= 2");
		}
		System.arraycopy(pts, offset, mCubicPoints, 0, 24);
		if (mRows != rows \|\| mCols != cols) {
		mRows = rows;
		mCols = cols;
		}
		mDirty = true;
		}

		/**
		* Reference a bitmap texture to be mapped onto the patch.
		*/
		public void setTexture(Bitmap texture) {
		if (mTexture != texture) {
		if (mTexture == null \|\|
		mTexture.getWidth() != texture.getWidth() \|\|
		mTexture.getHeight() != texture.getHeight()) {
		// need to recompute texture coordinates
		mDirty = true;
		}
		mTexture = texture;
		mPaint.setShader(new BitmapShader(texture,
		Shader.TileMode.CLAMP,
		Shader.TileMode.CLAMP));
		}
		}

		/**
		* Return the paint flags for the patch
		*/
		public int getPaintFlags() {
		return mPaint.getFlags();
		}

		/**
		* Set the paint flags for the patch
		*/
		public void setPaintFlags(int flags) {
		mPaint.setFlags(flags);
		}

		/**
		* Set the xfermode for the patch
		*/
		public void setXfermode(Xfermode mode) {
		mPaint.setXfermode(mode);
		}

		/**
		* Set the alpha for the patch
		*/
		public void setAlpha(int alpha) {
		mPaint.setAlpha(alpha);
		}

		/**
		* Draw the patch onto the canvas.
		*
		* setCubicBoundary() and setTexture() must be called before drawing.
		*/
		public void draw(Canvas canvas) {
		if (mDirty) {
		buildCache();
		mDirty = false;
		}

		// cut the count in half, since mVerts.length is really the length of
		// the verts[] and tex[] arrays combined
		// (tex[] are stored after verts[])
		int vertCount = mVerts.length >> 1;
		canvas.drawVertices(Canvas.VertexMode.TRIANGLES, vertCount,
		mVerts, 0, mVerts, vertCount, null, 0,
		mIndices, 0, mIndices.length,
		mPaint);
		}

		private void buildCache() {
		// we need mRows * mCols points, for verts and another set for textures
		// so 2 for going from points -> floats, and 2 for verts and textures
		int vertCount = mRows * mCols * 4;
		if (mVerts == null \|\| mVerts.length != vertCount) {
		mVerts = new float[vertCount];
		}

		int indexCount = (mRows - 1) * (mCols - 1) * 6;
		if (mIndices == null \|\| mIndices.length != indexCount) {
		mIndices = new short[indexCount];
		}

		nativeComputeCubicPatch(mCubicPoints,
		mTexture.getWidth(), mTexture.getHeight(),
		mRows, mCols, mVerts, mIndices);
		}

		private static native
		void nativeComputeCubicPatch(float[] cubicPoints,
		int texW, int texH, int rows, int cols,
		float[] verts, short[] indices);
		}