| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "Window_android.h" |
| |
| #include "VulkanTestContext_android.h" |
| |
| Window* Window::CreateNativeWindow(void* platformData) { |
| Window_android* window = new Window_android(); |
| if (!window->init((android_app*)platformData)) { |
| delete window; |
| return nullptr; |
| } |
| return window; |
| } |
| |
| static void handle_cmd(struct android_app* app, int32_t cmd); |
| static int32_t handle_input(struct android_app* app, AInputEvent* event); |
| |
| bool Window_android::init(android_app* app) { |
| SkASSERT(app); |
| mApp = app; |
| mApp->userData = this; |
| mApp->onAppCmd = handle_cmd; |
| mApp->onInputEvent = handle_input; |
| return true; |
| } |
| |
| void Window_android::setTitle(const char* title) { |
| //todo |
| SkDebugf("Title: %s", title); |
| } |
| |
| bool Window_android::attach(BackEndType attachType, int msaaSampleCount) { |
| if (kVulkan_BackendType != attachType) { |
| return false; |
| } |
| |
| mSampleCount = msaaSampleCount; |
| |
| // We delay the creation of fTestContext until Android informs us that |
| // the native window is ready to use. |
| return true; |
| } |
| |
| void Window_android::initDisplay(ANativeWindow* window) { |
| SkASSERT(window); |
| ContextPlatformData_android platformData; |
| platformData.fNativeWindow = window; |
| fTestContext = VulkanTestContext::Create((void*)&platformData, mSampleCount); |
| } |
| |
| static void android_app_write_cmd(struct android_app* android_app, int8_t cmd) { |
| if (write(android_app->msgwrite, &cmd, sizeof(cmd)) != sizeof(cmd)) { |
| SkDebugf("Failure writing android_app cmd: %s\n", strerror(errno)); |
| } |
| } |
| |
| void Window_android::inval() { |
| android_app_write_cmd(mApp, APP_CMD_INVAL_WINDOW); |
| } |
| |
| void Window_android::paintIfNeeded() { |
| if (mApp->window || !mContentRect.isEmpty()) { |
| this->onPaint(); |
| } |
| } |
| |
| /** |
| * Process the next main command. |
| */ |
| static void handle_cmd(struct android_app* app, int32_t cmd) { |
| Window_android* window = (Window_android*)app->userData; |
| switch (cmd) { |
| case APP_CMD_INIT_WINDOW: |
| // The window is being shown, get it ready. |
| SkASSERT(app->window); |
| window->initDisplay(app->window); |
| window->paintIfNeeded(); |
| break; |
| case APP_CMD_WINDOW_RESIZED: { |
| int width = ANativeWindow_getWidth(app->window); |
| int height = ANativeWindow_getHeight(app->window); |
| window->onResize(width, height); |
| break; |
| } |
| case APP_CMD_CONTENT_RECT_CHANGED: |
| window->setContentRect(app->contentRect.left, app->contentRect.top, |
| app->contentRect.right, app->contentRect.bottom); |
| window->paintIfNeeded(); |
| break; |
| case APP_CMD_TERM_WINDOW: |
| // The window is being hidden or closed, clean it up. |
| window->detach(); |
| break; |
| case APP_CMD_INVAL_WINDOW: |
| window->paintIfNeeded(); |
| break; |
| } |
| } |
| |
| static Window::Key get_key(int32_t keycode) { |
| static const struct { |
| int32_t fAndroidKey; |
| Window::Key fWindowKey; |
| } gPair[] = { |
| { AKEYCODE_BACK, Window::kBack_Key }, |
| { AKEYCODE_VOLUME_UP, Window::kLeft_Key }, |
| { AKEYCODE_VOLUME_DOWN, Window::kRight_Key } |
| }; |
| for (size_t i = 0; i < SK_ARRAY_COUNT(gPair); i++) { |
| if (gPair[i].fAndroidKey == keycode) { |
| return gPair[i].fWindowKey; |
| } |
| } |
| return Window::kNONE_Key; |
| } |
| |
| static Window::InputState get_action(int32_t action) { |
| static const struct { |
| int32_t fAndroidAction; |
| Window::InputState fInputState; |
| } gPair[] = { |
| { AKEY_STATE_DOWN, Window::kDown_InputState }, |
| { AKEY_STATE_UP, Window::kUp_InputState }, |
| }; |
| for (size_t i = 0; i < SK_ARRAY_COUNT(gPair); i++) { |
| if (gPair[i].fAndroidAction == action) { |
| return gPair[i].fInputState; |
| } |
| } |
| return Window::kMove_InputState; |
| } |
| |
| static int32_t get_key_modifiers(AInputEvent* event) { |
| static const struct { |
| int32_t fAndroidState; |
| int32_t fWindowModifier; |
| } gPair[] = { |
| { AMETA_SHIFT_ON, Window::kShift_ModifierKey }, |
| { AMETA_CTRL_ON, Window::kControl_ModifierKey }, |
| }; |
| |
| int32_t metaState = AKeyEvent_getMetaState(event); |
| int32_t modifiers = 0; |
| |
| if (AKeyEvent_getRepeatCount(event) == 0) { |
| modifiers |= Window::kFirstPress_ModifierKey; |
| } |
| |
| for (size_t i = 0; i < SK_ARRAY_COUNT(gPair); i++) { |
| if (gPair[i].fAndroidState == metaState) { |
| modifiers |= gPair[i].fWindowModifier; |
| } |
| } |
| return modifiers; |
| } |
| |
| /** |
| * Process the next input event. |
| */ |
| static int32_t handle_input(struct android_app* app, AInputEvent* event) { |
| Window_android* window = (Window_android*)app->userData; |
| switch(AInputEvent_getType(event)) { |
| case AINPUT_EVENT_TYPE_MOTION: |
| break; |
| case AINPUT_EVENT_TYPE_KEY: |
| Window::Key key = get_key(AKeyEvent_getKeyCode(event)); |
| Window::InputState state = get_action(AKeyEvent_getAction(event)); |
| int32_t mod = get_key_modifiers(event); |
| window->onKey(key, state, mod); |
| return true; // eat all key events |
| } |
| return 0; |
| } |