RecentsConfiguration.java revision cb5570316d55c6fe2ff717fa6b94b14d13980263 
1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.systemui.recents;
18
19import android.app.ActivityManager;
20import android.content.Context;
21import android.content.SharedPreferences;
22import android.content.res.Configuration;
23import android.content.res.Resources;
24import android.graphics.Rect;
25import android.provider.Settings;
26import android.util.DisplayMetrics;
27import android.util.TypedValue;
28import android.view.animation.AnimationUtils;
29import android.view.animation.Interpolator;
30import com.android.systemui.R;
31import com.android.systemui.recents.misc.Console;
32import com.android.systemui.recents.misc.SystemServicesProxy;
33
34
35/** A static Recents configuration for the current context
36 * NOTE: We should not hold any references to a Context from a static instance */
37public class RecentsConfiguration {
38    static RecentsConfiguration sInstance;
39    static int sPrevConfigurationHashCode;
40
41    /** Animations */
42    public float animationPxMovementPerSecond;
43
44    /** Interpolators */
45    public Interpolator fastOutSlowInInterpolator;
46    public Interpolator fastOutLinearInInterpolator;
47    public Interpolator linearOutSlowInInterpolator;
48    public Interpolator quintOutInterpolator;
49
50    /** Filtering */
51    public int filteringCurrentViewsAnimDuration;
52    public int filteringNewViewsAnimDuration;
53
54    /** Insets */
55    public Rect systemInsets = new Rect();
56    public Rect displayRect = new Rect();
57
58    /** Layout */
59    boolean isLandscape;
60    boolean hasTransposedSearchBar;
61    boolean hasTransposedNavBar;
62
63    /** Loading */
64    public int maxNumTasksToLoad;
65
66    /** Search bar */
67    int searchBarAppWidgetId = -1;
68    public int searchBarSpaceHeightPx;
69
70    /** Task stack */
71    public int taskStackScrollDuration;
72    public int taskStackMaxDim;
73    public int taskStackTopPaddingPx;
74    public float taskStackWidthPaddingPct;
75    public float taskStackOverscrollPct;
76
77    /** Task view animation and styles */
78    public int taskViewEnterFromHomeDelay;
79    public int taskViewEnterFromHomeDuration;
80    public int taskViewEnterFromHomeStaggerDelay;
81    public int taskViewExitToHomeDuration;
82    public int taskViewRemoveAnimDuration;
83    public int taskViewRemoveAnimTranslationXPx;
84    public int taskViewTranslationZMinPx;
85    public int taskViewTranslationZMaxPx;
86    public int taskViewRoundedCornerRadiusPx;
87    public int taskViewHighlightPx;
88    public int taskViewAffiliateGroupEnterOffsetPx;
89    public float taskViewThumbnailAlpha;
90
91    /** Task bar colors */
92    public int taskBarViewDefaultBackgroundColor;
93    public int taskBarViewLightTextColor;
94    public int taskBarViewDarkTextColor;
95    public int taskBarViewHighlightColor;
96    public float taskBarViewAffiliationColorMinAlpha;
97
98    /** Task bar size & animations */
99    public int taskBarHeight;
100    public int taskBarEnterAnimDuration;
101    public int taskBarEnterAnimDelay;
102    public int taskBarExitAnimDuration;
103    public int taskBarDismissDozeDelaySeconds;
104
105    /** Lock to app */
106    public int taskViewLockToAppButtonHeight;
107    public int taskViewLockToAppShortAnimDuration;
108    public int taskViewLockToAppLongAnimDuration;
109
110    /** Nav bar scrim */
111    public int navBarScrimEnterDuration;
112
113    /** Launch states */
114    public boolean launchedWithAltTab;
115    public boolean launchedWithNoRecentTasks;
116    public boolean launchedFromAppWithThumbnail;
117    public boolean launchedFromAppWithScreenshot;
118    public boolean launchedFromHome;
119    public int launchedToTaskId;
120
121    /** Misc **/
122    public boolean useHardwareLayers;
123    public int altTabKeyDelay;
124    public boolean fakeShadows;
125
126    /** Dev options and global settings */
127    public boolean lockToAppEnabled;
128    public boolean developerOptionsEnabled;
129    public boolean debugModeEnabled;
130
131    /** Private constructor */
132    private RecentsConfiguration(Context context) {
133        // Properties that don't have to be reloaded with each configuration change can be loaded
134        // here.
135
136        // Interpolators
137        fastOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
138                com.android.internal.R.interpolator.fast_out_slow_in);
139        fastOutLinearInInterpolator = AnimationUtils.loadInterpolator(context,
140                com.android.internal.R.interpolator.fast_out_linear_in);
141        linearOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
142                com.android.internal.R.interpolator.linear_out_slow_in);
143        quintOutInterpolator = AnimationUtils.loadInterpolator(context,
144                com.android.internal.R.interpolator.decelerate_quint);
145    }
146
147    /** Updates the configuration to the current context */
148    public static RecentsConfiguration reinitialize(Context context, SystemServicesProxy ssp) {
149        if (sInstance == null) {
150            sInstance = new RecentsConfiguration(context);
151        }
152        int configHashCode = context.getResources().getConfiguration().hashCode();
153        if (sPrevConfigurationHashCode != configHashCode) {
154            sInstance.update(context);
155            sPrevConfigurationHashCode = configHashCode;
156        }
157        sInstance.updateOnReinitialize(context, ssp);
158        return sInstance;
159    }
160
161    /** Returns the current recents configuration */
162    public static RecentsConfiguration getInstance() {
163        return sInstance;
164    }
165
166    /** Updates the state, given the specified context */
167    void update(Context context) {
168        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
169        Resources res = context.getResources();
170        DisplayMetrics dm = res.getDisplayMetrics();
171
172        // Debug mode
173        debugModeEnabled = settings.getBoolean(Constants.Values.App.Key_DebugModeEnabled, false);
174        if (debugModeEnabled) {
175            Console.Enabled = true;
176        }
177
178        // Layout
179        isLandscape = res.getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
180        hasTransposedSearchBar = res.getBoolean(R.bool.recents_has_transposed_search_bar);
181        hasTransposedNavBar = res.getBoolean(R.bool.recents_has_transposed_nav_bar);
182
183        // Insets
184        displayRect.set(0, 0, dm.widthPixels, dm.heightPixels);
185
186        // Animations
187        animationPxMovementPerSecond =
188                res.getDimensionPixelSize(R.dimen.recents_animation_movement_in_dps_per_second);
189
190        // Filtering
191        filteringCurrentViewsAnimDuration =
192                res.getInteger(R.integer.recents_filter_animate_current_views_duration);
193        filteringNewViewsAnimDuration =
194                res.getInteger(R.integer.recents_filter_animate_new_views_duration);
195
196        // Loading
197        maxNumTasksToLoad = ActivityManager.getMaxRecentTasksStatic();
198
199        // Search Bar
200        searchBarSpaceHeightPx = res.getDimensionPixelSize(R.dimen.recents_search_bar_space_height);
201        searchBarAppWidgetId = settings.getInt(Constants.Values.App.Key_SearchAppWidgetId, -1);
202
203        // Task stack
204        taskStackScrollDuration =
205                res.getInteger(R.integer.recents_animate_task_stack_scroll_duration);
206        TypedValue widthPaddingPctValue = new TypedValue();
207        res.getValue(R.dimen.recents_stack_width_padding_percentage, widthPaddingPctValue, true);
208        taskStackWidthPaddingPct = widthPaddingPctValue.getFloat();
209        TypedValue stackOverscrollPctValue = new TypedValue();
210        res.getValue(R.dimen.recents_stack_overscroll_percentage, stackOverscrollPctValue, true);
211        taskStackOverscrollPct = stackOverscrollPctValue.getFloat();
212        taskStackMaxDim = res.getInteger(R.integer.recents_max_task_stack_view_dim);
213        taskStackTopPaddingPx = res.getDimensionPixelSize(R.dimen.recents_stack_top_padding);
214
215        // Task view animation and styles
216        taskViewEnterFromHomeDelay =
217                res.getInteger(R.integer.recents_animate_task_enter_from_home_delay);
218        taskViewEnterFromHomeDuration =
219                res.getInteger(R.integer.recents_animate_task_enter_from_home_duration);
220        taskViewEnterFromHomeStaggerDelay =
221                res.getInteger(R.integer.recents_animate_task_enter_from_home_stagger_delay);
222        taskViewExitToHomeDuration =
223                res.getInteger(R.integer.recents_animate_task_exit_to_home_duration);
224        taskViewRemoveAnimDuration =
225                res.getInteger(R.integer.recents_animate_task_view_remove_duration);
226        taskViewRemoveAnimTranslationXPx =
227                res.getDimensionPixelSize(R.dimen.recents_task_view_remove_anim_translation_x);
228        taskViewRoundedCornerRadiusPx =
229                res.getDimensionPixelSize(R.dimen.recents_task_view_rounded_corners_radius);
230        taskViewHighlightPx = res.getDimensionPixelSize(R.dimen.recents_task_view_highlight);
231        taskViewTranslationZMinPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_min);
232        taskViewTranslationZMaxPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_max);
233        taskViewAffiliateGroupEnterOffsetPx =
234                res.getDimensionPixelSize(R.dimen.recents_task_view_affiliate_group_enter_offset);
235        TypedValue thumbnailAlphaValue = new TypedValue();
236        res.getValue(R.dimen.recents_task_view_thumbnail_alpha, thumbnailAlphaValue, true);
237        taskViewThumbnailAlpha = thumbnailAlphaValue.getFloat();
238
239        // Task bar colors
240        taskBarViewDefaultBackgroundColor =
241                res.getColor(R.color.recents_task_bar_default_background_color);
242        taskBarViewLightTextColor =
243                res.getColor(R.color.recents_task_bar_light_text_color);
244        taskBarViewDarkTextColor =
245                res.getColor(R.color.recents_task_bar_dark_text_color);
246        taskBarViewHighlightColor =
247                res.getColor(R.color.recents_task_bar_highlight_color);
248        TypedValue affMinAlphaPctValue = new TypedValue();
249        res.getValue(R.dimen.recents_task_affiliation_color_min_alpha_percentage, affMinAlphaPctValue, true);
250        taskBarViewAffiliationColorMinAlpha = affMinAlphaPctValue.getFloat();
251
252        // Task bar size & animations
253        taskBarHeight = res.getDimensionPixelSize(R.dimen.recents_task_bar_height);
254        taskBarEnterAnimDuration =
255                res.getInteger(R.integer.recents_animate_task_bar_enter_duration);
256        taskBarEnterAnimDelay =
257                res.getInteger(R.integer.recents_animate_task_bar_enter_delay);
258        taskBarExitAnimDuration =
259                res.getInteger(R.integer.recents_animate_task_bar_exit_duration);
260        taskBarDismissDozeDelaySeconds =
261                res.getInteger(R.integer.recents_task_bar_dismiss_delay_seconds);
262
263        // Lock to app
264        taskViewLockToAppButtonHeight =
265                res.getDimensionPixelSize(R.dimen.recents_task_view_lock_to_app_button_height);
266        taskViewLockToAppShortAnimDuration =
267                res.getInteger(R.integer.recents_animate_lock_to_app_button_short_duration);
268        taskViewLockToAppLongAnimDuration =
269                res.getInteger(R.integer.recents_animate_lock_to_app_button_long_duration);
270
271        // Nav bar scrim
272        navBarScrimEnterDuration =
273                res.getInteger(R.integer.recents_nav_bar_scrim_enter_duration);
274
275        // Misc
276        useHardwareLayers = res.getBoolean(R.bool.config_recents_use_hardware_layers);
277        altTabKeyDelay = res.getInteger(R.integer.recents_alt_tab_key_delay);
278        fakeShadows = res.getBoolean(R.bool.config_recents_fake_shadows);
279    }
280
281    /** Updates the system insets */
282    public void updateSystemInsets(Rect insets) {
283        systemInsets.set(insets);
284    }
285
286    /** Updates the search bar app widget */
287    public void updateSearchBarAppWidgetId(Context context, int appWidgetId) {
288        searchBarAppWidgetId = appWidgetId;
289        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
290        settings.edit().putInt(Constants.Values.App.Key_SearchAppWidgetId,
291                appWidgetId).apply();
292    }
293
294    /** Updates the states that need to be re-read whenever we re-initialize. */
295    void updateOnReinitialize(Context context, SystemServicesProxy ssp) {
296        // Check if the developer options are enabled
297        developerOptionsEnabled = ssp.getGlobalSetting(context,
298                Settings.Global.DEVELOPMENT_SETTINGS_ENABLED) != 0;
299        lockToAppEnabled = ssp.getSystemSetting(context,
300                Settings.System.LOCK_TO_APP_ENABLED) != 0;
301    }
302
303    /** Called when the configuration has changed, and we want to reset any configuration specific
304     * members. */
305    public void updateOnConfigurationChange() {
306        launchedWithAltTab = false;
307        launchedWithNoRecentTasks = false;
308        launchedFromAppWithThumbnail = false;
309        launchedFromAppWithScreenshot = false;
310        launchedFromHome = false;
311        launchedToTaskId = -1;
312    }
313
314    /** Returns whether the search bar app widget exists. */
315    public boolean hasSearchBarAppWidget() {
316        return searchBarAppWidgetId >= 0;
317    }
318
319    /** Returns whether the status bar scrim should be animated when shown for the first time. */
320    public boolean shouldAnimateStatusBarScrim() {
321        return launchedFromHome;
322    }
323
324    /** Returns whether the status bar scrim should be visible. */
325    public boolean hasStatusBarScrim() {
326        return !launchedWithNoRecentTasks;
327    }
328
329    /** Returns whether the nav bar scrim should be animated when shown for the first time. */
330    public boolean shouldAnimateNavBarScrim() {
331        return true;
332    }
333
334    /** Returns whether the nav bar scrim should be visible. */
335    public boolean hasNavBarScrim() {
336        // Only show the scrim if we have recent tasks, and if the nav bar is not transposed
337        return !launchedWithNoRecentTasks && (!hasTransposedNavBar || !isLandscape);
338    }
339
340    /** Returns whether the current layout is horizontal. */
341    public boolean hasHorizontalLayout() {
342        return isLandscape && hasTransposedSearchBar;
343    }
344
345    /**
346     * Returns the task stack bounds in the current orientation. These bounds do not account for
347     * the system insets.
348     */
349    public void getTaskStackBounds(int windowWidth, int windowHeight, int topInset, int rightInset,
350                                   Rect taskStackBounds) {
351        Rect searchBarBounds = new Rect();
352        getSearchBarBounds(windowWidth, windowHeight, topInset, searchBarBounds);
353        if (isLandscape && hasTransposedSearchBar) {
354            // In landscape, the search bar appears on the left, but we overlay it on top
355            taskStackBounds.set(0, topInset, windowWidth - rightInset, windowHeight);
356        } else {
357            // In portrait, the search bar appears on the top (which already has the inset)
358            taskStackBounds.set(0, searchBarBounds.bottom, windowWidth, windowHeight);
359        }
360    }
361
362    /**
363     * Returns the search bar bounds in the current orientation.  These bounds do not account for
364     * the system insets.
365     */
366    public void getSearchBarBounds(int windowWidth, int windowHeight, int topInset,
367                                   Rect searchBarSpaceBounds) {
368        // Return empty rects if search is not enabled
369        int searchBarSize = searchBarSpaceHeightPx;
370        if (!Constants.DebugFlags.App.EnableSearchLayout || !hasSearchBarAppWidget()) {
371            searchBarSize = 0;
372        }
373
374        if (isLandscape && hasTransposedSearchBar) {
375            // In landscape, the search bar appears on the left
376            searchBarSpaceBounds.set(0, topInset, searchBarSize, windowHeight);
377        } else {
378            // In portrait, the search bar appears on the top
379            searchBarSpaceBounds.set(0, topInset, windowWidth, topInset + searchBarSize);
380        }
381    }
382}
383