RK3568 自由窗口拖动流程 TODO

ian4u

于 2022-10-17 10:11:56 发布

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分类专栏： Android WMS/AMS Android Framework 开发文章标签： java android 开发语言

本文链接：https://blog.youkuaiyun.com/wg_mlo/article/details/127358312

RK3568 自由窗口拖动流程

// frameworks/base/core/java/com/android/internal/widget/DecorCaptionView.java
@Override
public boolean onTouch(View v, MotionEvent e) {
   
   
    // Note: There are no mixed events. When a new device gets used (e.g. 1. Mouse, 2. touch)
    // the old input device events get cancelled first. So no need to remember the kind of
    // input device we are listening to.
    final int x = (int) e.getX();
    final int y = (int) e.getY();
    final boolean fromMouse = e.getToolType(e.getActionIndex()) == MotionEvent.TOOL_TYPE_MOUSE;
    final boolean primaryButton = (e.getButtonState() & MotionEvent.BUTTON_PRIMARY) != 0;
    final int actionMasked = e.getActionMasked();
    switch (actionMasked) {
   
   
        case MotionEvent.ACTION_DOWN:
            if (!mShow) {
   
   
                return false;
            }
            // Checking for a drag action is started if we aren't dragging already and the
            // starting event is either a left mouse butt