Sat, 03 Jan 2015 20:18:00 +0100
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
1 /*
2 * Copyright 2010 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
8 #ifndef GrPlotMgr_DEFINED
9 #define GrPlotMgr_DEFINED
11 #include "GrTypes.h"
12 #include "GrPoint.h"
13 #include "SkTypes.h"
15 class GrPlotMgr : public SkNoncopyable {
16 public:
17 GrPlotMgr(int width, int height) {
18 fDim.set(width, height);
19 size_t needed = width * height;
20 if (needed <= sizeof(fStorage)) {
21 fBusy = fStorage;
22 } else {
23 fBusy = SkNEW_ARRAY(char, needed);
24 }
25 this->reset();
26 }
28 ~GrPlotMgr() {
29 if (fBusy != fStorage) {
30 delete[] fBusy;
31 }
32 }
34 void reset() {
35 sk_bzero(fBusy, fDim.fX * fDim.fY);
36 }
38 bool newPlot(GrIPoint16* loc) {
39 char* busy = fBusy;
40 for (int y = 0; y < fDim.fY; y++) {
41 for (int x = 0; x < fDim.fX; x++) {
42 if (!*busy) {
43 *busy = true;
44 loc->set(x, y);
45 return true;
46 }
47 busy++;
48 }
49 }
50 return false;
51 }
53 bool isBusy(int x, int y) const {
54 SkASSERT((unsigned)x < (unsigned)fDim.fX);
55 SkASSERT((unsigned)y < (unsigned)fDim.fY);
56 return fBusy[y * fDim.fX + x] != 0;
57 }
59 void freePlot(int x, int y) {
60 SkASSERT((unsigned)x < (unsigned)fDim.fX);
61 SkASSERT((unsigned)y < (unsigned)fDim.fY);
62 fBusy[y * fDim.fX + x] = false;
63 }
65 private:
66 enum {
67 STORAGE = 64
68 };
69 char fStorage[STORAGE];
70 char* fBusy;
71 GrIPoint16 fDim;
72 };
74 #endif