PhoneWindowManager初始化

wms::wms
    wms::initPolicy
        UiThread::Handler::runWithScissors
            PhoneWindowManager::init

interceptKeyBeforeQueueing 調用棧

InputDispatcher::injectInputEvent // 觸發調用1
InputDispatcher::notifyKey // 觸發調用2
    com_android_server_input_InputManagerService::NativeInputManager::interceptKeyBeforeQueueing
        IMS::WindowManagerCallbacks::interceptKeyBeforeQueueing // InputMontor是WindowManagerCallbacks的實現類
            InputMontor::interceptKeyBeforeQueueing
                WMS::PhoneWindowManager::interceptKeyBeforeQueueing

interceptKeyBeforeDispatching調用棧

InputDispatcher::dispatchOnce
    InputDispatcher::dispatchOnceInnerLocked(
        //InputDispatcher::mPolicy // mPolicy:: com_android_server_input_InputManagerService.cpp
        InputDispatcher::dispatchKeyLocked
            InputDispatcher::doInterceptKeyBeforeDispatchingLockedInterruptible
                com_android_server_input_InputManagerService::NativeInputManager::interceptKeyBeforeDispatching
                // jni InputManagerService::nativeInit中初始化
                    IMS::WindowManagerCallbacks::interceptKeyBeforeDispatching // InputMontor是WindowManagerCallbacks的實現類
                        InputMontor::interceptKeyBeforeDispatching
                            WMS::PhoneWindowManager::interceptKeyBeforeDispatching

PhoneWindowManager 相關類圖

PhoneWindowManager.png

1. InputMonitor 實現IMS::WindowManagerCallbacks接口，并且持有WMS引用；
2. WMS持有WindowManagerPolicy接口的實現類PhoneWindowManager；
3. PhoneWindowManager的內部類PolicyHandler分發業務邏輯；
4. PhoneWindowManager的初始化在android.ui 線程；