1
2/*
3 * Copyright 2011 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8#include "SkProgressBarView.h"
9#include "SkAnimator.h"
10#include "SkWidgetViews.h"
11#include "SkTime.h"
12#include "SkSystemEventTypes.h"
13
14SkProgressBarView::SkProgressBarView()
15{
16    init_skin_anim(kProgress_SkinEnum, &fAnim);
17    fAnim.setHostEventSink(this);
18    fProgress = 0;
19    fMax = 100;
20
21}
22
23void SkProgressBarView::changeProgress(int diff)
24{
25    int newProg = fProgress + diff;
26    if (newProg > 0 && newProg < fMax)
27        this->setProgress(newProg);
28    //otherwise i'll just leave it as it is
29    //this implies that if a new max and progress are set, max must be set first
30}
31
32/*virtual*/ void SkProgressBarView::onDraw(SkCanvas* canvas)
33{
34    SkPaint                        paint;
35    SkAnimator::DifferenceType    diff = fAnim.draw(canvas, &paint, SkTime::GetMSecs());
36
37    if (diff == SkAnimator::kDifferent)
38        this->inval(nullptr);
39    else if (diff == SkAnimator::kPartiallyDifferent)
40    {
41        SkRect    bounds;
42        fAnim.getInvalBounds(&bounds);
43        this->inval(&bounds);
44    }
45}
46
47/*virtual*/ bool SkProgressBarView::onEvent(const SkEvent& evt)
48{
49    if (evt.isType(SK_EventType_Inval))
50    {
51        this->inval(nullptr);
52        return true;
53    }
54    if (evt.isType("recommendDim"))
55    {
56        SkScalar    height;
57
58        if (evt.findScalar("y", &height))
59            this->setHeight(height);
60        return true;
61    }
62    return this->INHERITED::onEvent(evt);
63}
64
65/*virtual*/ void SkProgressBarView::onInflate(const SkDOM& dom, const SkDOM::Node* node)
66{
67    this->INHERITED::onInflate(dom, node);
68    int32_t temp;
69    if (dom.findS32(node, "max", &temp))
70        this->setMax(temp);
71    if (dom.findS32(node, "progress", &temp))
72        this->setProgress(temp);
73}
74
75/*virtual*/ void SkProgressBarView::onSizeChange()
76{
77    this->INHERITED::onSizeChange();
78    SkEvent evt("user");
79    evt.setString("id", "setDim");
80    evt.setScalar("dimX", this->width());
81    evt.setScalar("dimY", this->height());
82    fAnim.doUserEvent(evt);
83}
84
85void SkProgressBarView::reset()
86{
87    fProgress = 0;
88    SkEvent e("user");
89    e.setString("id", "reset");
90    fAnim.doUserEvent(e);
91}
92
93void SkProgressBarView::setMax(int max)
94{
95    fMax = max;
96    SkEvent e("user");
97    e.setString("id", "setMax");
98    e.setS32("newMax", max);
99    fAnim.doUserEvent(e);
100}
101
102void SkProgressBarView::setProgress(int progress)
103{
104    fProgress = progress;
105    SkEvent e("user");
106    e.setString("id", "setProgress");
107    e.setS32("newProgress", progress);
108    fAnim.doUserEvent(e);
109}
110