UI 遍历中页面定义和动作事件筛选方法

def get_view_list(view_tree):    view_tree['parent'] = -1    view_list = []    view_tree_to_list(0, view_tree, view_list)    self.last_acc_event['view_list'] = view_list    return view_list
def view_tree_to_list(index, view_tree, view_list):    tree_id = len(view_list)    view_tree['temp_id'] = tree_id    bounds = [[-1, -1], [-1, -1]]    bounds[0][0] = view_tree['bounds'][0]    bounds[0][1] = view_tree['bounds'][1]    bounds[1][0] = view_tree['bounds'][2]    bounds[1][1] = view_tree['bounds'][3]    width = bounds[1][0] - bounds[0][0]    height = bounds[1][1] - bounds[0][1]    view_tree['size'] = "%d*%d" % (width, height)    view_tree['index'] = index    view_tree['bounds'] = bounds    view_list.append(view_tree)    children_ids = []    for item in range(len(view_tree['children'])):        child_tree = view_tree['children'][item]        child_tree['parent'] = tree_id        view_tree_to_list(item, child_tree, view_list)        children_ids.append(child_tree['temp_id'])    view_tree['children'] = children_ids

def get_state_str(view_list):    state_str_raw = get_state_str_raw(view_list)    return md5(state_str_raw)
def get_state_str_raw(view_list):    view_signatures = set()    for view in view_list:        view_signature = get_view_signature(view)        if view_signature:            view_signatures.add(view_signature)    return "%s{%s}" % (self.foreground_activity, ",".join(sorted(view_signatures)))
def get_view_signature(view_dict):    view_text = view_dict['text']    if view_text is None or len(view_text) > 50:        view_text = "None"
    signature = "[class]%s[text]%s[%s,%s,%s,%s]" % \                (view_dict['class'],                 view_text,                 view_dict['clickable'],                 view_dict['checked'],                 view_dict['scrollable'],                 view_dict['long-clickable']                 )    return signature

def get_possible_input(view_list):    possible_events = []    enabled_view_ids = []    touch_exclude_view_ids = set()    for view_dict in view_list:        if view_dict['enabled'] and \           view_dict['resource_id'] not in \           ['android:id/navigationBarBackground',            'android:id/statusBarBackground']:            enabled_view_ids.append(view_dict['temp_id'])
    for view_id in enabled_view_ids:        if view_list[view_id]['scrollable']:            possible_events.append(ScrollEvent(view=views_list[view_id], direction="UP"))            possible_events.append(ScrollEvent(view=views_list[view_id], direction="DOWN"))            possible_events.append(ScrollEvent(view=views_list[view_id], direction="LEFT"))            possible_events.append(ScrollEvent(view=views_list[view_id], direction="RIGHT"))        elif view_list[view_id]['clickable']:            possible_events.append(TouchEvent(view=views_list[view_id]))            touch_exclude_view_ids.add(view_id)        # elif views_list[view_id]['enabled'] and \        #     views_list[view_id]['focusable']:        #     possible_events.append(TouchEvent(view=views_list[view_id]))    return possible_eventsfor view_id in enabled_view_ids:    if views_list[view_id]['scrollable']:        possible_events.append(ScrollEvent(view=views_list[view_id], direction="UP"))        # possible_events.append(ScrollEvent(view=views_list[view_id], direction="DOWN"))        possible_events.append(ScrollEvent(view=views_list[view_id], direction="LEFT"))        possible_events.append(ScrollEvent(view=views_list[view_id], direction="RIGHT"))
for view_id in enabled_view_ids:    if views_list[view_id]['clickable']:        possible_events.append(TouchEvent(view=views_list[view_id]))        touch_exclude_view_ids.add(view_id)def filter_possible_input(possible_events,origin_dim=[1080, 1920]):    filter_events = []    for event in possible_events:        # 过滤坐标为负的值        bounds = event.view["bounds"]        bounds = [bounds[0][0], bounds[0][1], bounds[1][0], bounds[1][1]]        x_min = max(0, bounds[0])        y_min = max(0, bounds[1])        x_max = min(origin_dim[0], bounds[2])        y_max = min(origin_dim[1], bounds[3])        if x_min >= x_max or y_min >= y_max:            continue        # 更新bounds坐标点        event.view["bounds"] = [[x_min,y_min],[x_max,y_max]]
        # 过滤小于5个像素的event        if (y_max-y_min) < 5:            pass        else:            filter_events.append(event)
    return filter_events