RecentsConfiguration.java revision 242bbb86e8811ad8759790c1b499d0918baece8b 
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.content.Context;
20import android.content.SharedPreferences;
21import android.content.res.Configuration;
22import android.content.res.Resources;
23import android.graphics.Rect;
24import android.provider.Settings;
25import android.util.DisplayMetrics;
26import android.util.TypedValue;
27import android.view.animation.AnimationUtils;
28import android.view.animation.Interpolator;
29import com.android.systemui.R;
30import com.android.systemui.recents.misc.Console;
31import com.android.systemui.recents.misc.SystemServicesProxy;
32
33
34/** A static Recents configuration for the current context
35 * NOTE: We should not hold any references to a Context from a static instance */
36public class RecentsConfiguration {
37    static RecentsConfiguration sInstance;
38    static int sPrevConfigurationHashCode;
39
40    /** Animations */
41    public float animationPxMovementPerSecond;
42
43    /** Interpolators */
44    public Interpolator fastOutSlowInInterpolator;
45    public Interpolator fastOutLinearInInterpolator;
46    public Interpolator linearOutSlowInInterpolator;
47    public Interpolator quintOutInterpolator;
48
49    /** Filtering */
50    public int filteringCurrentViewsAnimDuration;
51    public int filteringNewViewsAnimDuration;
52
53    /** Insets */
54    public Rect systemInsets = new Rect();
55    public Rect displayRect = new Rect();
56
57    /** Layout */
58    boolean isLandscape;
59    boolean transposeRecentsLayoutWithOrientation;
60
61    /** Search bar */
62    int searchBarAppWidgetId = -1;
63    public int searchBarSpaceHeightPx;
64
65    /** Task stack */
66    public int taskStackMaxDim;
67    public int taskStackTopPaddingPx;
68    public float taskStackWidthPaddingPct;
69
70    /** Task view animation and styles */
71    public int taskViewEnterFromHomeDuration;
72    public int taskViewEnterFromHomeDelay;
73    public int taskViewExitToHomeDuration;
74    public int taskViewRemoveAnimDuration;
75    public int taskViewRemoveAnimTranslationXPx;
76    public int taskViewTranslationZMinPx;
77    public int taskViewTranslationZMaxPx;
78    public int taskViewRoundedCornerRadiusPx;
79    public int taskViewHighlightPx;
80    public int taskViewAffiliateGroupEnterOffsetPx;
81
82    /** Task bar colors */
83    public int taskBarViewDefaultBackgroundColor;
84    public int taskBarViewLightTextColor;
85    public int taskBarViewDarkTextColor;
86    public int taskBarViewHighlightColor;
87    public float taskBarViewAffiliationColorMinAlpha;
88
89    /** Task bar size & animations */
90    public int taskBarHeight;
91    public int taskBarEnterAnimDuration;
92    public int taskBarEnterAnimDelay;
93    public int taskBarExitAnimDuration;
94    public int taskBarDismissDozeDelaySeconds;
95
96    /** Lock to app */
97    public int taskViewLockToAppButtonHeight;
98    public int taskViewLockToAppShortAnimDuration;
99    public int taskViewLockToAppLongAnimDuration;
100
101    /** Nav bar scrim */
102    public int navBarScrimEnterDuration;
103
104    /** Launch states */
105    public boolean launchedWithAltTab;
106    public boolean launchedWithNoRecentTasks;
107    public boolean launchedFromAppWithThumbnail;
108    public boolean launchedFromAppWithScreenshot;
109    public boolean launchedFromHome;
110    public int launchedToTaskId;
111
112    /** Dev options and global settings */
113    public boolean lockToAppEnabled;
114    public boolean developerOptionsEnabled;
115    public boolean debugModeEnabled;
116
117    /** Private constructor */
118    private RecentsConfiguration(Context context) {
119        // Properties that don't have to be reloaded with each configuration change can be loaded
120        // here.
121
122        // Interpolators
123        fastOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
124                com.android.internal.R.interpolator.fast_out_slow_in);
125        fastOutLinearInInterpolator = AnimationUtils.loadInterpolator(context,
126                com.android.internal.R.interpolator.fast_out_linear_in);
127        linearOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
128                com.android.internal.R.interpolator.linear_out_slow_in);
129        quintOutInterpolator = AnimationUtils.loadInterpolator(context,
130                com.android.internal.R.interpolator.decelerate_quint);
131    }
132
133    /** Updates the configuration to the current context */
134    public static RecentsConfiguration reinitialize(Context context, SystemServicesProxy ssp) {
135        if (sInstance == null) {
136            sInstance = new RecentsConfiguration(context);
137        }
138        int configHashCode = context.getResources().getConfiguration().hashCode();
139        if (sPrevConfigurationHashCode != configHashCode) {
140            sInstance.update(context);
141            sPrevConfigurationHashCode = configHashCode;
142        }
143        sInstance.updateOnReinitialize(context, ssp);
144        return sInstance;
145    }
146
147    /** Returns the current recents configuration */
148    public static RecentsConfiguration getInstance() {
149        return sInstance;
150    }
151
152    /** Updates the state, given the specified context */
153    void update(Context context) {
154        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
155        Resources res = context.getResources();
156        DisplayMetrics dm = res.getDisplayMetrics();
157
158        // Debug mode
159        debugModeEnabled = settings.getBoolean(Constants.Values.App.Key_DebugModeEnabled, false);
160        if (debugModeEnabled) {
161            Console.Enabled = true;
162        }
163
164        // Layout
165        isLandscape = res.getConfiguration().orientation ==
166                Configuration.ORIENTATION_LANDSCAPE;
167        transposeRecentsLayoutWithOrientation =
168                res.getBoolean(R.bool.recents_transpose_layout_with_orientation);
169
170        // Insets
171        displayRect.set(0, 0, dm.widthPixels, dm.heightPixels);
172
173        // Animations
174        animationPxMovementPerSecond =
175                res.getDimensionPixelSize(R.dimen.recents_animation_movement_in_dps_per_second);
176
177        // Filtering
178        filteringCurrentViewsAnimDuration =
179                res.getInteger(R.integer.recents_filter_animate_current_views_duration);
180        filteringNewViewsAnimDuration =
181                res.getInteger(R.integer.recents_filter_animate_new_views_duration);
182
183        // Search Bar
184        searchBarSpaceHeightPx = res.getDimensionPixelSize(R.dimen.recents_search_bar_space_height);
185        searchBarAppWidgetId = settings.getInt(Constants.Values.App.Key_SearchAppWidgetId, -1);
186
187        // Task stack
188        TypedValue widthPaddingPctValue = new TypedValue();
189        res.getValue(R.dimen.recents_stack_width_padding_percentage, widthPaddingPctValue, true);
190        taskStackWidthPaddingPct = widthPaddingPctValue.getFloat();
191        taskStackMaxDim = res.getInteger(R.integer.recents_max_task_stack_view_dim);
192        taskStackTopPaddingPx = res.getDimensionPixelSize(R.dimen.recents_stack_top_padding);
193
194        // Task view animation and styles
195        taskViewEnterFromHomeDuration =
196                res.getInteger(R.integer.recents_animate_task_enter_from_home_duration);
197        taskViewEnterFromHomeDelay =
198                res.getInteger(R.integer.recents_animate_task_enter_from_home_delay);
199        taskViewExitToHomeDuration =
200                res.getInteger(R.integer.recents_animate_task_exit_to_home_duration);
201        taskViewRemoveAnimDuration =
202                res.getInteger(R.integer.recents_animate_task_view_remove_duration);
203        taskViewRemoveAnimTranslationXPx =
204                res.getDimensionPixelSize(R.dimen.recents_task_view_remove_anim_translation_x);
205        taskViewRoundedCornerRadiusPx =
206                res.getDimensionPixelSize(R.dimen.recents_task_view_rounded_corners_radius);
207        taskViewHighlightPx = res.getDimensionPixelSize(R.dimen.recents_task_view_highlight);
208        taskViewTranslationZMinPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_min);
209        taskViewTranslationZMaxPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_max);
210        taskViewAffiliateGroupEnterOffsetPx =
211                res.getDimensionPixelSize(R.dimen.recents_task_view_affiliate_group_enter_offset);
212
213        // Task bar colors
214        taskBarViewDefaultBackgroundColor =
215                res.getColor(R.color.recents_task_bar_default_background_color);
216        taskBarViewLightTextColor =
217                res.getColor(R.color.recents_task_bar_light_text_color);
218        taskBarViewDarkTextColor =
219                res.getColor(R.color.recents_task_bar_dark_text_color);
220        taskBarViewHighlightColor =
221                res.getColor(R.color.recents_task_bar_highlight_color);
222        TypedValue affMinAlphaPctValue = new TypedValue();
223        res.getValue(R.dimen.recents_task_affiliation_color_min_alpha_percentage, affMinAlphaPctValue, true);
224        taskBarViewAffiliationColorMinAlpha = affMinAlphaPctValue.getFloat();
225
226        // Task bar size & animations
227        taskBarHeight = res.getDimensionPixelSize(R.dimen.recents_task_bar_height);
228        taskBarEnterAnimDuration =
229                res.getInteger(R.integer.recents_animate_task_bar_enter_duration);
230        taskBarEnterAnimDelay =
231                res.getInteger(R.integer.recents_animate_task_bar_enter_delay);
232        taskBarExitAnimDuration =
233                res.getInteger(R.integer.recents_animate_task_bar_exit_duration);
234        taskBarDismissDozeDelaySeconds =
235                res.getInteger(R.integer.recents_task_bar_dismiss_delay_seconds);
236
237        // Lock to app
238        taskViewLockToAppButtonHeight =
239                res.getDimensionPixelSize(R.dimen.recents_task_view_lock_to_app_button_height);
240        taskViewLockToAppShortAnimDuration =
241                res.getInteger(R.integer.recents_animate_lock_to_app_button_short_duration);
242        taskViewLockToAppLongAnimDuration =
243                res.getInteger(R.integer.recents_animate_lock_to_app_button_long_duration);
244
245        // Nav bar scrim
246        navBarScrimEnterDuration =
247                res.getInteger(R.integer.recents_nav_bar_scrim_enter_duration);
248    }
249
250    /** Updates the system insets */
251    public void updateSystemInsets(Rect insets) {
252        systemInsets.set(insets);
253    }
254
255    /** Updates the search bar app widget */
256    public void updateSearchBarAppWidgetId(Context context, int appWidgetId) {
257        searchBarAppWidgetId = appWidgetId;
258        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
259        settings.edit().putInt(Constants.Values.App.Key_SearchAppWidgetId,
260                appWidgetId).apply();
261    }
262
263    /** Updates the states that need to be re-read whenever we re-initialize. */
264    void updateOnReinitialize(Context context, SystemServicesProxy ssp) {
265        // Check if the developer options are enabled
266        developerOptionsEnabled = ssp.getGlobalSetting(context,
267                Settings.Global.DEVELOPMENT_SETTINGS_ENABLED) != 0;
268        lockToAppEnabled = ssp.getSystemSetting(context,
269                Settings.System.LOCK_TO_APP_ENABLED) != 0;
270    }
271
272    /** Called when the configuration has changed, and we want to reset any configuration specific
273     * members. */
274    public void updateOnConfigurationChange() {
275        launchedWithAltTab = false;
276        launchedWithNoRecentTasks = false;
277        launchedFromAppWithThumbnail = false;
278        launchedFromAppWithScreenshot = false;
279        launchedFromHome = false;
280        launchedToTaskId = -1;
281    }
282
283    /** Returns whether the search bar app widget exists. */
284    public boolean hasSearchBarAppWidget() {
285        return searchBarAppWidgetId >= 0;
286    }
287
288    /** Returns whether the status bar scrim should be animated when shown for the first time. */
289    public boolean shouldAnimateStatusBarScrim() {
290        return launchedFromHome;
291    }
292
293    /** Returns whether the status bar scrim should be visible. */
294    public boolean hasStatusBarScrim() {
295        return !launchedWithNoRecentTasks;
296    }
297
298    /** Returns whether the nav bar scrim should be animated when shown for the first time. */
299    public boolean shouldAnimateNavBarScrim() {
300        return true;
301    }
302
303    /** Returns whether the nav bar scrim should be visible. */
304    public boolean hasNavBarScrim() {
305        // Only show the scrim if we have recent tasks, and if the nav bar is not transposed
306        return !launchedWithNoRecentTasks &&
307                (!transposeRecentsLayoutWithOrientation || !isLandscape);
308    }
309
310    /** Returns whether the current layout is horizontal. */
311    public boolean hasHorizontalLayout() {
312        return isLandscape && transposeRecentsLayoutWithOrientation;
313    }
314
315    /**
316     * Returns the task stack bounds in the current orientation. These bounds do not account for
317     * the system insets.
318     */
319    public void getTaskStackBounds(int windowWidth, int windowHeight, int topInset, int rightInset,
320                                   Rect taskStackBounds) {
321        Rect searchBarBounds = new Rect();
322        getSearchBarBounds(windowWidth, windowHeight, topInset, searchBarBounds);
323        if (isLandscape && transposeRecentsLayoutWithOrientation) {
324            // In landscape, the search bar appears on the left
325            taskStackBounds.set(searchBarBounds.right, topInset, windowWidth - rightInset, windowHeight);
326        } else {
327            // In portrait, the search bar appears on the top (which already has the inset)
328            taskStackBounds.set(0, searchBarBounds.bottom, windowWidth, windowHeight);
329        }
330    }
331
332    /**
333     * Returns the search bar bounds in the current orientation.  These bounds do not account for
334     * the system insets.
335     */
336    public void getSearchBarBounds(int windowWidth, int windowHeight, int topInset,
337                                   Rect searchBarSpaceBounds) {
338        // Return empty rects if search is not enabled
339        int searchBarSize = searchBarSpaceHeightPx;
340        if (!Constants.DebugFlags.App.EnableSearchLayout || !hasSearchBarAppWidget()) {
341            searchBarSize = 0;
342        }
343
344        if (isLandscape && transposeRecentsLayoutWithOrientation) {
345            // In landscape, the search bar appears on the left
346            searchBarSpaceBounds.set(0, topInset, searchBarSize, windowHeight);
347        } else {
348            // In portrait, the search bar appears on the top
349            searchBarSpaceBounds.set(0, topInset, windowWidth, topInset + searchBarSize);
350        }
351    }
352}
353