135 lines
4.3 KiB
C++
135 lines
4.3 KiB
C++
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <gui/WindowInfo.h>
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#include "InputTarget.h"
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#include "TouchState.h"
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using android::gui::WindowInfo;
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using android::gui::WindowInfoHandle;
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namespace android::inputdispatcher {
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void TouchState::reset() {
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*this = TouchState();
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}
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void TouchState::addOrUpdateWindow(const sp<WindowInfoHandle>& windowHandle, int32_t targetFlags,
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BitSet32 pointerIds) {
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if (targetFlags & InputTarget::FLAG_SPLIT) {
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split = true;
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}
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for (size_t i = 0; i < windows.size(); i++) {
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TouchedWindow& touchedWindow = windows[i];
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if (touchedWindow.windowHandle == windowHandle) {
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touchedWindow.targetFlags |= targetFlags;
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if (targetFlags & InputTarget::FLAG_DISPATCH_AS_SLIPPERY_EXIT) {
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touchedWindow.targetFlags &= ~InputTarget::FLAG_DISPATCH_AS_IS;
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}
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touchedWindow.pointerIds.value |= pointerIds.value;
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return;
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}
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}
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if (preventNewTargets) return; // Don't add new TouchedWindows.
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TouchedWindow touchedWindow;
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touchedWindow.windowHandle = windowHandle;
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touchedWindow.targetFlags = targetFlags;
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touchedWindow.pointerIds = pointerIds;
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windows.push_back(touchedWindow);
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}
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void TouchState::removeWindowByToken(const sp<IBinder>& token) {
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for (size_t i = 0; i < windows.size(); i++) {
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if (windows[i].windowHandle->getToken() == token) {
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windows.erase(windows.begin() + i);
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return;
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}
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}
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}
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void TouchState::filterNonAsIsTouchWindows() {
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for (size_t i = 0; i < windows.size();) {
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TouchedWindow& window = windows[i];
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if (window.targetFlags &
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(InputTarget::FLAG_DISPATCH_AS_IS | InputTarget::FLAG_DISPATCH_AS_SLIPPERY_ENTER)) {
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window.targetFlags &= ~InputTarget::FLAG_DISPATCH_MASK;
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window.targetFlags |= InputTarget::FLAG_DISPATCH_AS_IS;
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i += 1;
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} else {
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windows.erase(windows.begin() + i);
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}
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}
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}
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void TouchState::filterWindowsExcept(const sp<IBinder>& token) {
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std::erase_if(windows,
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[&token](const TouchedWindow& w) { return w.windowHandle->getToken() != token; });
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}
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sp<WindowInfoHandle> TouchState::getFirstForegroundWindowHandle() const {
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for (size_t i = 0; i < windows.size(); i++) {
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const TouchedWindow& window = windows[i];
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if (window.targetFlags & InputTarget::FLAG_FOREGROUND) {
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return window.windowHandle;
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}
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}
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return nullptr;
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}
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bool TouchState::isSlippery() const {
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// Must have exactly one foreground window.
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bool haveSlipperyForegroundWindow = false;
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for (const TouchedWindow& window : windows) {
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if (window.targetFlags & InputTarget::FLAG_FOREGROUND) {
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if (haveSlipperyForegroundWindow ||
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!window.windowHandle->getInfo()->inputConfig.test(
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WindowInfo::InputConfig::SLIPPERY)) {
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return false;
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}
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haveSlipperyForegroundWindow = true;
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}
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}
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return haveSlipperyForegroundWindow;
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}
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sp<WindowInfoHandle> TouchState::getWallpaperWindow() const {
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for (size_t i = 0; i < windows.size(); i++) {
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const TouchedWindow& window = windows[i];
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if (window.windowHandle->getInfo()->inputConfig.test(
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gui::WindowInfo::InputConfig::IS_WALLPAPER)) {
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return window.windowHandle;
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}
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}
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return nullptr;
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}
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sp<WindowInfoHandle> TouchState::getWindow(const sp<IBinder>& token) const {
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for (const TouchedWindow& touchedWindow : windows) {
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const auto& windowHandle = touchedWindow.windowHandle;
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if (windowHandle->getToken() == token) {
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return windowHandle;
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}
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}
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return nullptr;
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}
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} // namespace android::inputdispatcher
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