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/*
* Copyright 2020 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/core/SkCanvas.h"
#include "include/core/SkData.h"
#include "modules/audioplayer/SkAudioPlayer.h"
#include "samplecode/Sample.h"
#include "src/core/SkUtils.h"
#include "tools/Resources.h"
class AudioView : public Sample {
std::unique_ptr<SkAudioPlayer> fPlayer;
SkRect fBar;
public:
AudioView() {}
protected:
SkString name() override { return SkString("Audio"); }
void onOnceBeforeDraw() override {
auto data = SkData::MakeFromFileName("/Users/reed/skia/mp3/scott-joplin-peacherine-rag.mp3");
if (data) {
fPlayer = SkAudioPlayer::Make(data);
SkDebugf("make: dur:%g time%g state:%d",
fPlayer->duration(),
fPlayer->time(),
fPlayer->state());
}
fBar = { 10, 10, 510, 30 };
}
void onDrawContent(SkCanvas* canvas) override {
if (!fPlayer) {
return;
}
SkPaint p;
p.setColor(0xFFCCCCCC);
canvas->drawRect(fBar, p);
p.setColor(fPlayer->isPlaying() ? SK_ColorBLUE : 0xFF8888FF);
SkRect r = fBar;
r.fRight = r.fLeft + (float)fPlayer->normalizedTime() * r.width();
canvas->drawRect(r, p);
}
bool onChar(SkUnichar c) override {
if (c == ' ') {
switch (fPlayer->state()) {
case SkAudioPlayer::State::kPlaying: fPlayer->pause(); break;
case SkAudioPlayer::State::kPaused: fPlayer->play(); break;
case SkAudioPlayer::State::kStopped: fPlayer->play(); break;
}
return true;
}
return this->INHERITED::onChar(c);
}
Click* onFindClickHandler(SkScalar x, SkScalar y, skui::ModifierKey) override {
if (fPlayer && fBar.contains(x, y)) {
bool wasPlaying = fPlayer->isPlaying();
if (wasPlaying) {
fPlayer->pause();
}
return new Click([this, wasPlaying](Click* click) {
if (fBar.contains(click->fCurr.fX, click->fCurr.fY)) {
fPlayer->setNormalizedTime((click->fCurr.fX - fBar.fLeft) / fBar.width());
}
if (click->fState == skui::InputState::kUp) {
if (wasPlaying) {
fPlayer->play();
}
}
return true;
});
}
return nullptr;
}
bool onAnimate(double /*nanos*/) override {
return true;
}
private:
using INHERITED = Sample;
};
DEF_SAMPLE( return new AudioView; )
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