RecentsConfiguration.java revision 19d62382d0acafa0ffe8e48ebb4c737031b3e9c6 
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 transposeRecentsLayoutWithOrientation;
61
62    /** Loading */
63    public int maxNumTasksToLoad;
64
65    /** Search bar */
66    int searchBarAppWidgetId = -1;
67    public int searchBarSpaceHeightPx;
68
69    /** Task stack */
70    public int taskStackScrollDuration;
71    public int taskStackMaxDim;
72    public int taskStackTopPaddingPx;
73    public float taskStackWidthPaddingPct;
74    public float taskStackOverscrollPct;
75
76    /** Task view animation and styles */
77    public int taskViewEnterFromHomeDelay;
78    public int taskViewEnterFromHomeDuration;
79    public int taskViewEnterFromHomeStaggerDelay;
80    public int taskViewExitToHomeDuration;
81    public int taskViewRemoveAnimDuration;
82    public int taskViewRemoveAnimTranslationXPx;
83    public int taskViewTranslationZMinPx;
84    public int taskViewTranslationZMaxPx;
85    public int taskViewRoundedCornerRadiusPx;
86    public int taskViewHighlightPx;
87    public int taskViewAffiliateGroupEnterOffsetPx;
88    public float taskViewThumbnailAlpha;
89
90    /** Task bar colors */
91    public int taskBarViewDefaultBackgroundColor;
92    public int taskBarViewLightTextColor;
93    public int taskBarViewDarkTextColor;
94    public int taskBarViewHighlightColor;
95    public float taskBarViewAffiliationColorMinAlpha;
96
97    /** Task bar size & animations */
98    public int taskBarHeight;
99    public int taskBarEnterAnimDuration;
100    public int taskBarEnterAnimDelay;
101    public int taskBarExitAnimDuration;
102    public int taskBarDismissDozeDelaySeconds;
103
104    /** Lock to app */
105    public int taskViewLockToAppButtonHeight;
106    public int taskViewLockToAppShortAnimDuration;
107    public int taskViewLockToAppLongAnimDuration;
108
109    /** Nav bar scrim */
110    public int navBarScrimEnterDuration;
111
112    /** Launch states */
113    public boolean launchedWithAltTab;
114    public boolean launchedWithNoRecentTasks;
115    public boolean launchedFromAppWithThumbnail;
116    public boolean launchedFromAppWithScreenshot;
117    public boolean launchedFromHome;
118    public int launchedToTaskId;
119
120    /** Misc **/
121    public int altTabKeyDelay;
122
123    /** Dev options and global settings */
124    public boolean lockToAppEnabled;
125    public boolean developerOptionsEnabled;
126    public boolean debugModeEnabled;
127
128    /** Private constructor */
129    private RecentsConfiguration(Context context) {
130        // Properties that don't have to be reloaded with each configuration change can be loaded
131        // here.
132
133        // Interpolators
134        fastOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
135                com.android.internal.R.interpolator.fast_out_slow_in);
136        fastOutLinearInInterpolator = AnimationUtils.loadInterpolator(context,
137                com.android.internal.R.interpolator.fast_out_linear_in);
138        linearOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
139                com.android.internal.R.interpolator.linear_out_slow_in);
140        quintOutInterpolator = AnimationUtils.loadInterpolator(context,
141                com.android.internal.R.interpolator.decelerate_quint);
142    }
143
144    /** Updates the configuration to the current context */
145    public static RecentsConfiguration reinitialize(Context context, SystemServicesProxy ssp) {
146        if (sInstance == null) {
147            sInstance = new RecentsConfiguration(context);
148        }
149        int configHashCode = context.getResources().getConfiguration().hashCode();
150        if (sPrevConfigurationHashCode != configHashCode) {
151            sInstance.update(context);
152            sPrevConfigurationHashCode = configHashCode;
153        }
154        sInstance.updateOnReinitialize(context, ssp);
155        return sInstance;
156    }
157
158    /** Returns the current recents configuration */
159    public static RecentsConfiguration getInstance() {
160        return sInstance;
161    }
162
163    /** Updates the state, given the specified context */
164    void update(Context context) {
165        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
166        Resources res = context.getResources();
167        DisplayMetrics dm = res.getDisplayMetrics();
168
169        // Debug mode
170        debugModeEnabled = settings.getBoolean(Constants.Values.App.Key_DebugModeEnabled, false);
171        if (debugModeEnabled) {
172            Console.Enabled = true;
173        }
174
175        // Layout
176        isLandscape = res.getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
177        transposeRecentsLayoutWithOrientation =
178                res.getBoolean(R.bool.recents_transpose_layout_with_orientation);
179
180        // Insets
181        displayRect.set(0, 0, dm.widthPixels, dm.heightPixels);
182
183        // Animations
184        animationPxMovementPerSecond =
185                res.getDimensionPixelSize(R.dimen.recents_animation_movement_in_dps_per_second);
186
187        // Filtering
188        filteringCurrentViewsAnimDuration =
189                res.getInteger(R.integer.recents_filter_animate_current_views_duration);
190        filteringNewViewsAnimDuration =
191                res.getInteger(R.integer.recents_filter_animate_new_views_duration);
192
193        // Loading
194        maxNumTasksToLoad = ActivityManager.getMaxRecentTasksStatic();
195
196        // Search Bar
197        searchBarSpaceHeightPx = res.getDimensionPixelSize(R.dimen.recents_search_bar_space_height);
198        searchBarAppWidgetId = settings.getInt(Constants.Values.App.Key_SearchAppWidgetId, -1);
199
200        // Task stack
201        taskStackScrollDuration =
202                res.getInteger(R.integer.recents_animate_task_stack_scroll_duration);
203        TypedValue widthPaddingPctValue = new TypedValue();
204        res.getValue(R.dimen.recents_stack_width_padding_percentage, widthPaddingPctValue, true);
205        taskStackWidthPaddingPct = widthPaddingPctValue.getFloat();
206        TypedValue stackOverscrollPctValue = new TypedValue();
207        res.getValue(R.dimen.recents_stack_overscroll_percentage, stackOverscrollPctValue, true);
208        taskStackOverscrollPct = stackOverscrollPctValue.getFloat();
209        taskStackMaxDim = res.getInteger(R.integer.recents_max_task_stack_view_dim);
210        taskStackTopPaddingPx = res.getDimensionPixelSize(R.dimen.recents_stack_top_padding);
211
212        // Task view animation and styles
213        taskViewEnterFromHomeDelay =
214                res.getInteger(R.integer.recents_animate_task_enter_from_home_delay);
215        taskViewEnterFromHomeDuration =
216                res.getInteger(R.integer.recents_animate_task_enter_from_home_duration);
217        taskViewEnterFromHomeStaggerDelay =
218                res.getInteger(R.integer.recents_animate_task_enter_from_home_stagger_delay);
219        taskViewExitToHomeDuration =
220                res.getInteger(R.integer.recents_animate_task_exit_to_home_duration);
221        taskViewRemoveAnimDuration =
222                res.getInteger(R.integer.recents_animate_task_view_remove_duration);
223        taskViewRemoveAnimTranslationXPx =
224                res.getDimensionPixelSize(R.dimen.recents_task_view_remove_anim_translation_x);
225        taskViewRoundedCornerRadiusPx =
226                res.getDimensionPixelSize(R.dimen.recents_task_view_rounded_corners_radius);
227        taskViewHighlightPx = res.getDimensionPixelSize(R.dimen.recents_task_view_highlight);
228        taskViewTranslationZMinPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_min);
229        taskViewTranslationZMaxPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_max);
230        taskViewAffiliateGroupEnterOffsetPx =
231                res.getDimensionPixelSize(R.dimen.recents_task_view_affiliate_group_enter_offset);
232        TypedValue thumbnailAlphaValue = new TypedValue();
233        res.getValue(R.dimen.recents_task_view_thumbnail_alpha, thumbnailAlphaValue, true);
234        taskViewThumbnailAlpha = thumbnailAlphaValue.getFloat();
235
236        // Task bar colors
237        taskBarViewDefaultBackgroundColor =
238                res.getColor(R.color.recents_task_bar_default_background_color);
239        taskBarViewLightTextColor =
240                res.getColor(R.color.recents_task_bar_light_text_color);
241        taskBarViewDarkTextColor =
242                res.getColor(R.color.recents_task_bar_dark_text_color);
243        taskBarViewHighlightColor =
244                res.getColor(R.color.recents_task_bar_highlight_color);
245        TypedValue affMinAlphaPctValue = new TypedValue();
246        res.getValue(R.dimen.recents_task_affiliation_color_min_alpha_percentage, affMinAlphaPctValue, true);
247        taskBarViewAffiliationColorMinAlpha = affMinAlphaPctValue.getFloat();
248
249        // Task bar size & animations
250        taskBarHeight = res.getDimensionPixelSize(R.dimen.recents_task_bar_height);
251        taskBarEnterAnimDuration =
252                res.getInteger(R.integer.recents_animate_task_bar_enter_duration);
253        taskBarEnterAnimDelay =
254                res.getInteger(R.integer.recents_animate_task_bar_enter_delay);
255        taskBarExitAnimDuration =
256                res.getInteger(R.integer.recents_animate_task_bar_exit_duration);
257        taskBarDismissDozeDelaySeconds =
258                res.getInteger(R.integer.recents_task_bar_dismiss_delay_seconds);
259
260        // Lock to app
261        taskViewLockToAppButtonHeight =
262                res.getDimensionPixelSize(R.dimen.recents_task_view_lock_to_app_button_height);
263        taskViewLockToAppShortAnimDuration =
264                res.getInteger(R.integer.recents_animate_lock_to_app_button_short_duration);
265        taskViewLockToAppLongAnimDuration =
266                res.getInteger(R.integer.recents_animate_lock_to_app_button_long_duration);
267
268        // Nav bar scrim
269        navBarScrimEnterDuration =
270                res.getInteger(R.integer.recents_nav_bar_scrim_enter_duration);
271
272        // Misc
273        altTabKeyDelay = res.getInteger(R.integer.recents_alt_tab_key_delay);
274    }
275
276    /** Updates the system insets */
277    public void updateSystemInsets(Rect insets) {
278        systemInsets.set(insets);
279    }
280
281    /** Updates the search bar app widget */
282    public void updateSearchBarAppWidgetId(Context context, int appWidgetId) {
283        searchBarAppWidgetId = appWidgetId;
284        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
285        settings.edit().putInt(Constants.Values.App.Key_SearchAppWidgetId,
286                appWidgetId).apply();
287    }
288
289    /** Updates the states that need to be re-read whenever we re-initialize. */
290    void updateOnReinitialize(Context context, SystemServicesProxy ssp) {
291        // Check if the developer options are enabled
292        developerOptionsEnabled = ssp.getGlobalSetting(context,
293                Settings.Global.DEVELOPMENT_SETTINGS_ENABLED) != 0;
294        lockToAppEnabled = ssp.getSystemSetting(context,
295                Settings.System.LOCK_TO_APP_ENABLED) != 0;
296    }
297
298    /** Called when the configuration has changed, and we want to reset any configuration specific
299     * members. */
300    public void updateOnConfigurationChange() {
301        launchedWithAltTab = false;
302        launchedWithNoRecentTasks = false;
303        launchedFromAppWithThumbnail = false;
304        launchedFromAppWithScreenshot = false;
305        launchedFromHome = false;
306        launchedToTaskId = -1;
307    }
308
309    /** Returns whether the search bar app widget exists. */
310    public boolean hasSearchBarAppWidget() {
311        return searchBarAppWidgetId >= 0;
312    }
313
314    /** Returns whether the status bar scrim should be animated when shown for the first time. */
315    public boolean shouldAnimateStatusBarScrim() {
316        return launchedFromHome;
317    }
318
319    /** Returns whether the status bar scrim should be visible. */
320    public boolean hasStatusBarScrim() {
321        return !launchedWithNoRecentTasks;
322    }
323
324    /** Returns whether the nav bar scrim should be animated when shown for the first time. */
325    public boolean shouldAnimateNavBarScrim() {
326        return true;
327    }
328
329    /** Returns whether the nav bar scrim should be visible. */
330    public boolean hasNavBarScrim() {
331        // Only show the scrim if we have recent tasks, and if the nav bar is not transposed
332        return !launchedWithNoRecentTasks &&
333                (!transposeRecentsLayoutWithOrientation || !isLandscape);
334    }
335
336    /** Returns whether the current layout is horizontal. */
337    public boolean hasHorizontalLayout() {
338        return isLandscape && transposeRecentsLayoutWithOrientation;
339    }
340
341    /**
342     * Returns the task stack bounds in the current orientation. These bounds do not account for
343     * the system insets.
344     */
345    public void getTaskStackBounds(int windowWidth, int windowHeight, int topInset, int rightInset,
346                                   Rect taskStackBounds) {
347        Rect searchBarBounds = new Rect();
348        getSearchBarBounds(windowWidth, windowHeight, topInset, searchBarBounds);
349        if (isLandscape && transposeRecentsLayoutWithOrientation) {
350            // In landscape, the search bar appears on the left
351            taskStackBounds.set(searchBarBounds.right, topInset, windowWidth - rightInset, windowHeight);
352        } else {
353            // In portrait, the search bar appears on the top (which already has the inset)
354            taskStackBounds.set(0, searchBarBounds.bottom, windowWidth, windowHeight);
355        }
356    }
357
358    /**
359     * Returns the search bar bounds in the current orientation.  These bounds do not account for
360     * the system insets.
361     */
362    public void getSearchBarBounds(int windowWidth, int windowHeight, int topInset,
363                                   Rect searchBarSpaceBounds) {
364        // Return empty rects if search is not enabled
365        int searchBarSize = searchBarSpaceHeightPx;
366        if (!Constants.DebugFlags.App.EnableSearchLayout || !hasSearchBarAppWidget()) {
367            searchBarSize = 0;
368        }
369
370        if (isLandscape && transposeRecentsLayoutWithOrientation) {
371            // In landscape, the search bar appears on the left
372            searchBarSpaceBounds.set(0, topInset, searchBarSize, windowHeight);
373        } else {
374            // In portrait, the search bar appears on the top
375            searchBarSpaceBounds.set(0, topInset, windowWidth, topInset + searchBarSize);
376        }
377    }
378}
379