1/*
2 * Copyright 2016 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 */
7
8#ifndef GrWindowRectsState_DEFINED
9#define GrWindowRectsState_DEFINED
10
11#include "GrWindowRectangles.h"
12
13class GrWindowRectsState {
14public:
15    enum class Mode : bool {
16        kExclusive,
17        kInclusive
18    };
19
20    GrWindowRectsState() : fMode(Mode::kExclusive) {}
21    GrWindowRectsState(const GrWindowRectangles& windows, Mode mode)
22        : fMode(mode)
23        , fWindows(windows) {
24    }
25
26    bool enabled() const { return Mode::kInclusive == fMode || !fWindows.empty(); }
27    Mode mode() const { return fMode; }
28    const GrWindowRectangles& windows() const { return fWindows; }
29    int numWindows() const { return fWindows.count(); }
30
31    void setDisabled() {
32        fMode = Mode::kExclusive;
33        fWindows.reset();
34    }
35
36    void set(const GrWindowRectangles& windows, Mode mode) {
37        fMode = mode;
38        fWindows = windows;
39    }
40
41    bool operator==(const GrWindowRectsState& that) const {
42        if (fMode != that.fMode) {
43            return false;
44        }
45        return fWindows == that.fWindows;
46    }
47    bool operator!=(const GrWindowRectsState& that) const { return !(*this == that); }
48
49private:
50    Mode                 fMode;
51    GrWindowRectangles   fWindows;
52};
53
54#endif
55