Method onMouseUp

deps/v8/tools/profview/profview.js:891–925

(e)

  }

  onMouseUp(e) {
    if (this.selectionStart !== null) {
      let x = e.clientX - this.canvas.getBoundingClientRect().left;
      if (Math.abs(x - this.selectionStart) < 10) {
        this.selectionStart = null;
        this.selectionEnd = null;
        let ctx = this.canvas.getContext("2d");
        ctx.drawImage(this.buffer, 0, this.imageOffset);
      } else {
        this.selectionEnd = x;
        this.drawSelection();
      }
      let file = this.currentState.file;
      if (file) {
        let start = this.selectionStart === null ? 0 : this.selectionStart;
        let end = this.selectionEnd === null ? Infinity : this.selectionEnd;
        let firstTime = file.ticks[0].tm;
        let lastTime = file.ticks[file.ticks.length - 1].tm;

        let width = this.buffer.width;

        start = (start / width) * (lastTime - firstTime) + firstTime;
        end = (end / width) * (lastTime - firstTime) + firstTime;

        if (end < start) {
          let temp = start;
          start = end;
          end = temp;
        }

        main.setViewInterval(start, end);
      }
    }
    this.selecting = false;
  }

  drawSelection() {
    let ctx = this.canvas.getContext("2d");