summaryrefslogtreecommitdiffstats
path: root/WebKit/android/nav/SelectText.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'WebKit/android/nav/SelectText.cpp')
-rw-r--r--WebKit/android/nav/SelectText.cpp263
1 files changed, 0 insertions, 263 deletions
diff --git a/WebKit/android/nav/SelectText.cpp b/WebKit/android/nav/SelectText.cpp
deleted file mode 100644
index 7bdbf14..0000000
--- a/WebKit/android/nav/SelectText.cpp
+++ /dev/null
@@ -1,263 +0,0 @@
-/*
- * Copyright 2008, The Android Open Source Project
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#define LOG_TAG "webcoreglue"
-
-#include "CachedPrefix.h"
-#include "SelectText.h"
-#include "SkBitmap.h"
-#include "SkBounder.h"
-#include "SkCanvas.h"
-#include "SkMatrix.h"
-#include "SkPicture.h"
-#include "SkPoint.h"
-#include "SkRect.h"
-#include "SkRegion.h"
-
-class CommonCheck : public SkBounder {
-public:
- CommonCheck() : mMatrix(NULL), mPaint(NULL) {}
-
- virtual void setUp(const SkPaint& paint, const SkMatrix& matrix, SkScalar y) {
- mMatrix = &matrix;
- mPaint = &paint;
- mY = y;
- mBase = mBottom = mTop = INT_MAX;
- }
-
- int base() {
- if (mBase == INT_MAX) {
- SkPoint result;
- mMatrix->mapXY(0, mY, &result);
- mBase = SkScalarFloor(result.fY);
- }
- return mBase;
- }
-
- int bottom() {
- if (mBottom == INT_MAX) {
- SkPoint result;
- SkPaint::FontMetrics metrics;
- mPaint->getFontMetrics(&metrics);
- mMatrix->mapXY(0, metrics.fDescent + mY, &result);
- mBottom = SkScalarCeil(result.fY);
- }
- return mBottom;
- }
-
- int top() {
- if (mTop == INT_MAX) {
- SkPoint result;
- SkPaint::FontMetrics metrics;
- mPaint->getFontMetrics(&metrics);
- mMatrix->mapXY(0, metrics.fAscent + mY, &result);
- mTop = SkScalarFloor(result.fY);
- }
- return mTop;
- }
-
-protected:
- const SkMatrix* mMatrix;
- const SkPaint* mPaint;
- int mBase;
- int mBottom;
- int mTop;
- SkScalar mY;
-};
-
-class FirstCheck : public CommonCheck {
-public:
- FirstCheck(int x, int y)
- : mDistance(INT_MAX), mFocusX(x), mFocusY(y) {
- mBestBounds.setEmpty();
- }
-
- const SkIRect& bestBounds() {
- DBG_NAV_LOGD("mBestBounds:(%d, %d, %d, %d) mTop=%d mBottom=%d",
- mBestBounds.fLeft, mBestBounds.fTop, mBestBounds.fRight,
- mBestBounds.fBottom, mTop, mBottom);
- return mBestBounds;
- }
-
- void offsetBounds(int dx, int dy) {
- mBestBounds.offset(dx, dy);
- }
-
- virtual bool onIRect(const SkIRect& rect) {
- int dx = ((rect.fLeft + rect.fRight) >> 1) - mFocusX;
- int dy = ((top() + bottom()) >> 1) - mFocusY;
- int distance = dx * dx + dy * dy;
-#ifdef EXTRA_NOISY_LOGGING
- if (distance < 500 || abs(distance - mDistance) < 500)
- DBG_NAV_LOGD("distance=%d mDistance=%d", distance, mDistance);
-#endif
- if (mDistance > distance) {
- mDistance = distance;
- mBestBounds.set(rect.fLeft, top(), rect.fRight, bottom());
-#ifdef EXTRA_NOISY_LOGGING
- DBG_NAV_LOGD("mBestBounds={%d,%d,r=%d,b=%d}",
- mBestBounds.fLeft, mBestBounds.fTop,
- mBestBounds.fRight, mBestBounds.fBottom);
-#endif
- }
- return false;
- }
-protected:
- SkIRect mBestBounds;
- int mDistance;
- int mFocusX;
- int mFocusY;
-};
-
-class MultilineBuilder : public CommonCheck {
-public:
- MultilineBuilder(const SkIRect& start, const SkIRect& end, int dx, int dy,
- SkRegion* region)
- : mStart(start), mEnd(end), mSelectRegion(region), mCapture(false) {
- mLast.setEmpty();
- mLastBase = INT_MAX;
- mStart.offset(-dx, -dy);
- mEnd.offset(-dx, -dy);
- }
-
- virtual bool onIRect(const SkIRect& rect) {
- bool captureLast = false;
- if ((rect.fLeft == mStart.fLeft && rect.fRight == mStart.fRight &&
- top() == mStart.fTop && bottom() == mStart.fBottom) ||
- (rect.fLeft == mEnd.fLeft && rect.fRight == mEnd.fRight &&
- top() == mEnd.fTop && bottom() == mEnd.fBottom)) {
- captureLast = mCapture;
- mCapture ^= true;
- }
- if (mCapture || captureLast) {
- SkIRect full;
- full.set(rect.fLeft, top(), rect.fRight, bottom());
- if ((mLast.fTop < base() && mLast.fBottom >= base())
- || (mLastBase <= full.fBottom && mLastBase > full.fTop)) {
- if (full.fLeft > mLast.fRight)
- full.fLeft = mLast.fRight;
- else if (full.fRight < mLast.fLeft)
- full.fRight = mLast.fLeft;
- }
- mSelectRegion->op(full, SkRegion::kUnion_Op);
- mLast = full;
- mLastBase = base();
- if (mStart == mEnd)
- mCapture = false;
- }
- return false;
- }
-protected:
- SkIRect mStart;
- SkIRect mEnd;
- SkIRect mLast;
- int mLastBase;
- SkRegion* mSelectRegion;
- bool mCapture;
-};
-
-class TextCanvas : public SkCanvas {
-public:
-
- TextCanvas(CommonCheck* bounder, const SkPicture& picture, const SkIRect& area)
- : mBounder(*bounder) {
- setBounder(bounder);
- SkBitmap bitmap;
- bitmap.setConfig(SkBitmap::kARGB_8888_Config, area.width(),
- area.height());
- setBitmapDevice(bitmap);
- translate(SkIntToScalar(-area.fLeft), SkIntToScalar(-area.fTop));
- }
-
- virtual ~TextCanvas() {
- setBounder(NULL);
- }
-
- virtual void drawPaint(const SkPaint& paint) {
- }
-
- virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[],
- const SkPaint& paint) {
- }
-
- virtual void drawRect(const SkRect& rect, const SkPaint& paint) {
- }
-
- virtual void drawPath(const SkPath& path, const SkPaint& paint) {
- }
-
- virtual void commonDrawBitmap(const SkBitmap& bitmap,
- const SkMatrix& matrix, const SkPaint& paint) {
- }
-
- virtual void drawSprite(const SkBitmap& bitmap, int left, int top,
- const SkPaint* paint = NULL) {
- }
-
- virtual void drawText(const void* text, size_t byteLength, SkScalar x,
- SkScalar y, const SkPaint& paint) {
- mBounder.setUp(paint, getTotalMatrix(), y);
- SkCanvas::drawText(text, byteLength, x, y, paint);
- }
-
- virtual void drawPosTextH(const void* text, size_t byteLength,
- const SkScalar xpos[], SkScalar constY,
- const SkPaint& paint) {
- mBounder.setUp(paint, getTotalMatrix(), constY);
- SkCanvas::drawPosTextH(text, byteLength, xpos, constY, paint);
- }
-
- virtual void drawVertices(VertexMode vmode, int vertexCount,
- const SkPoint vertices[], const SkPoint texs[],
- const SkColor colors[], SkXfermode* xmode,
- const uint16_t indices[], int indexCount,
- const SkPaint& paint) {
- }
-
- CommonCheck& mBounder;
-};
-
-void CopyPaste::buildSelection(const SkPicture& picture, const SkIRect& area,
- const SkIRect& selStart, const SkIRect& selEnd, SkRegion* region) {
- DBG_NAV_LOGD("area=(%d, %d, %d, %d) selStart=(%d, %d, %d, %d)"
- " selEnd=(%d, %d, %d, %d)",
- area.fLeft, area.fTop, area.fRight, area.fBottom,
- selStart.fLeft, selStart.fTop, selStart.fRight, selStart.fBottom,
- selEnd.fLeft, selEnd.fTop, selEnd.fRight, selEnd.fBottom);
- MultilineBuilder builder(selStart, selEnd, area.fLeft, area.fTop, region);
- TextCanvas checker(&builder, picture, area);
- checker.drawPicture(const_cast<SkPicture&>(picture));
- region->translate(area.fLeft, area.fTop);
-}
-
-SkIRect CopyPaste::findClosest(const SkPicture& picture, const SkIRect& area,
- int x, int y) {
- FirstCheck _check(x - area.fLeft, y - area.fTop);
- DBG_NAV_LOGD("area=(%d, %d, %d, %d) x=%d y=%d", area.fLeft, area.fTop,
- area.fRight, area.fBottom, x, y);
- TextCanvas checker(&_check, picture, area);
- checker.drawPicture(const_cast<SkPicture&>(picture));
- _check.offsetBounds(area.fLeft, area.fTop);
- return _check.bestBounds();
-}
generated by cgit v1.1 at 2025-06-12 08:21:45 +0000