| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.tools.idea.configurations; |
| |
| import com.android.annotations.VisibleForTesting; |
| import com.intellij.openapi.components.*; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.openapi.vfs.VirtualFileManager; |
| import com.intellij.util.containers.HashMap; |
| import com.intellij.util.xmlb.annotations.MapAnnotation; |
| import com.intellij.util.xmlb.annotations.Property; |
| import com.intellij.util.xmlb.annotations.Tag; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.Map; |
| |
| /** |
| * Persistent state management for configurations. |
| * <p> |
| * A configuration consists of some per-layout properties (such as orientation |
| * and theme) and some project-wide properties (such as the locale or rendering target). |
| * The {@linkplain ConfigurationStateManager} is responsible for papering over these |
| * differences and providing persistence for configuration changes. |
| */ |
| @State( |
| name = "AndroidLayouts", |
| storages = { |
| @Storage(id = "AndroidLayouts", file = StoragePathMacros.WORKSPACE_FILE) |
| } |
| ) |
| public class ConfigurationStateManager implements PersistentStateComponent<ConfigurationStateManager.State> { |
| private final Map<VirtualFile, ConfigurationFileState> myFileToState = new HashMap<VirtualFile, ConfigurationFileState>(); |
| private ConfigurationProjectState myProjectState = new ConfigurationProjectState(); |
| |
| @NotNull |
| public static ConfigurationStateManager get(@NotNull Project project) { |
| return ServiceManager.getService(project, ConfigurationStateManager.class); |
| } |
| |
| @Nullable |
| public ConfigurationFileState getConfigurationState(@NotNull VirtualFile file) { |
| synchronized (myFileToState) { |
| return myFileToState.get(file); |
| } |
| } |
| |
| public void setConfigurationState(@NotNull VirtualFile file, @NotNull ConfigurationFileState state) { |
| synchronized (myFileToState) { |
| myFileToState.put(file, state); |
| } |
| } |
| |
| public void removeConfigurationState(@NotNull VirtualFile file) { |
| synchronized (myFileToState) { |
| myFileToState.remove(file); |
| } |
| } |
| |
| @NotNull |
| public ConfigurationProjectState getProjectState() { |
| return myProjectState; |
| } |
| |
| @VisibleForTesting |
| void setProjectState(@NotNull ConfigurationProjectState projectState) { |
| myProjectState = projectState; |
| } |
| |
| @Override |
| public State getState() { |
| final Map<String, ConfigurationFileState> urlToState = new HashMap<String, ConfigurationFileState>(); |
| |
| synchronized (myFileToState) { |
| for (Map.Entry<VirtualFile, ConfigurationFileState> entry : myFileToState.entrySet()) { |
| urlToState.put(entry.getKey().getUrl(), entry.getValue()); |
| } |
| } |
| final State state = new State(); |
| state.setUrlToStateMap(urlToState); |
| state.setProjectState(myProjectState); |
| return state; |
| } |
| |
| @Override |
| public void loadState(State state) { |
| myProjectState = state.getProjectState(); |
| |
| synchronized (myFileToState) { |
| myFileToState.clear(); |
| |
| for (Map.Entry<String, ConfigurationFileState> entry : state.getUrlToStateMap().entrySet()) { |
| final VirtualFile file = VirtualFileManager.getInstance().findFileByUrl(entry.getKey()); |
| |
| if (file != null) { |
| myFileToState.put(file, entry.getValue()); |
| } |
| } |
| } |
| } |
| |
| /** Persisted state */ |
| public static class State { |
| private ConfigurationProjectState myProjectState; |
| |
| @Tag("shared") |
| @Property(surroundWithTag = false) |
| public ConfigurationProjectState getProjectState() { |
| return myProjectState; |
| } |
| |
| public void setProjectState(ConfigurationProjectState projectState) { |
| myProjectState = projectState; |
| } |
| |
| private Map<String, ConfigurationFileState> myUrlToStateMap = new HashMap<String, ConfigurationFileState>(); |
| |
| @Tag("layouts") |
| @Property(surroundWithTag = false) |
| @MapAnnotation(surroundWithTag = false, surroundValueWithTag = false, surroundKeyWithTag = false, |
| keyAttributeName = "url", entryTagName = "layout") |
| public Map<String, ConfigurationFileState> getUrlToStateMap() { |
| return myUrlToStateMap; |
| } |
| |
| public void setUrlToStateMap(Map<String, ConfigurationFileState> urlToState) { |
| myUrlToStateMap = urlToState; |
| } |
| } |
| } |