RecentsConfiguration.java revision ec396d6399c5c31d697d81e94aff459e9771b0c6 
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    DisplayMetrics mDisplayMetrics;
41
42    /** Animations */
43    public float animationPxMovementPerSecond;
44
45    /** Interpolators */
46    public Interpolator fastOutSlowInInterpolator;
47    public Interpolator fastOutLinearInInterpolator;
48    public Interpolator linearOutSlowInInterpolator;
49    public Interpolator quintOutInterpolator;
50
51    /** Filtering */
52    public int filteringCurrentViewsAnimDuration;
53    public int filteringNewViewsAnimDuration;
54
55    /** Insets */
56    public Rect systemInsets = new Rect();
57    public Rect displayRect = new Rect();
58
59    /** Layout */
60    boolean isLandscape;
61    boolean transposeRecentsLayoutWithOrientation;
62
63    /** Search bar */
64    int searchBarAppWidgetId = -1;
65    public int searchBarSpaceHeightPx;
66
67    /** Task stack */
68    public int taskStackMaxDim;
69    public int taskStackTopPaddingPx;
70    public float taskStackWidthPaddingPct;
71
72    /** Task view animation and styles */
73    public int taskViewEnterFromHomeDuration;
74    public int taskViewEnterFromHomeDelay;
75    public int taskViewExitToHomeDuration;
76    public int taskViewRemoveAnimDuration;
77    public int taskViewRemoveAnimTranslationXPx;
78    public int taskViewTranslationZMinPx;
79    public int taskViewTranslationZMaxPx;
80    public int taskViewRoundedCornerRadiusPx;
81    public int taskViewHighlightPx;
82    public int taskViewAffiliateGroupEnterOffsetPx;
83
84    /** Task bar colors */
85    public int taskBarViewDefaultBackgroundColor;
86    public int taskBarViewLightTextColor;
87    public int taskBarViewDarkTextColor;
88    public int taskBarViewHighlightColor;
89    public float taskBarViewAffiliationColorMinAlpha;
90
91    /** Task bar size & animations */
92    public int taskBarHeight;
93    public int taskBarEnterAnimDuration;
94    public int taskBarEnterAnimDelay;
95    public int taskBarExitAnimDuration;
96    public int taskBarDismissDozeDelaySeconds;
97
98    /** Lock to app */
99    public int taskViewLockToAppButtonHeight;
100    public int taskViewLockToAppShortAnimDuration;
101    public int taskViewLockToAppLongAnimDuration;
102
103    /** Nav bar scrim */
104    public int navBarScrimEnterDuration;
105
106    /** Launch states */
107    public boolean launchedWithAltTab;
108    public boolean launchedWithNoRecentTasks;
109    public boolean launchedFromAppWithThumbnail;
110    public boolean launchedFromAppWithScreenshot;
111    public boolean launchedFromHome;
112    public int launchedToTaskId;
113
114    /** Dev options and global settings */
115    public boolean lockToAppEnabled;
116    public boolean developerOptionsEnabled;
117    public boolean debugModeEnabled;
118
119    /** Private constructor */
120    private RecentsConfiguration(Context context) {
121        // Properties that don't have to be reloaded with each configuration change can be loaded
122        // here.
123
124        // Interpolators
125        fastOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
126                com.android.internal.R.interpolator.fast_out_slow_in);
127        fastOutLinearInInterpolator = AnimationUtils.loadInterpolator(context,
128                com.android.internal.R.interpolator.fast_out_linear_in);
129        linearOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
130                com.android.internal.R.interpolator.linear_out_slow_in);
131        quintOutInterpolator = AnimationUtils.loadInterpolator(context,
132                com.android.internal.R.interpolator.decelerate_quint);
133    }
134
135    /** Updates the configuration to the current context */
136    public static RecentsConfiguration reinitialize(Context context, SystemServicesProxy ssp) {
137        if (sInstance == null) {
138            sInstance = new RecentsConfiguration(context);
139        }
140        int configHashCode = context.getResources().getConfiguration().hashCode();
141        if (sPrevConfigurationHashCode != configHashCode) {
142            sInstance.update(context);
143            sPrevConfigurationHashCode = configHashCode;
144        }
145        sInstance.updateOnReinitialize(context, ssp);
146        return sInstance;
147    }
148
149    /** Returns the current recents configuration */
150    public static RecentsConfiguration getInstance() {
151        return sInstance;
152    }
153
154    /** Updates the state, given the specified context */
155    void update(Context context) {
156        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
157        Resources res = context.getResources();
158        DisplayMetrics dm = res.getDisplayMetrics();
159        mDisplayMetrics = dm;
160
161        // Debug mode
162        debugModeEnabled = settings.getBoolean(Constants.Values.App.Key_DebugModeEnabled, false);
163        if (debugModeEnabled) {
164            Console.Enabled = true;
165        }
166
167        // Animations
168        animationPxMovementPerSecond =
169                res.getDimensionPixelSize(R.dimen.recents_animation_movement_in_dps_per_second);
170
171        // Filtering
172        filteringCurrentViewsAnimDuration =
173                res.getInteger(R.integer.recents_filter_animate_current_views_duration);
174        filteringNewViewsAnimDuration =
175                res.getInteger(R.integer.recents_filter_animate_new_views_duration);
176
177        // Insets
178        displayRect.set(0, 0, dm.widthPixels, dm.heightPixels);
179
180        // Layout
181        isLandscape = res.getConfiguration().orientation ==
182                Configuration.ORIENTATION_LANDSCAPE;
183        transposeRecentsLayoutWithOrientation =
184                res.getBoolean(R.bool.recents_transpose_layout_with_orientation);
185
186        // Search Bar
187        searchBarSpaceHeightPx = res.getDimensionPixelSize(R.dimen.recents_search_bar_space_height);
188        searchBarAppWidgetId = settings.getInt(Constants.Values.App.Key_SearchAppWidgetId, -1);
189
190        // Task stack
191        TypedValue widthPaddingPctValue = new TypedValue();
192        res.getValue(R.dimen.recents_stack_width_padding_percentage, widthPaddingPctValue, true);
193        taskStackWidthPaddingPct = widthPaddingPctValue.getFloat();
194        taskStackMaxDim = res.getInteger(R.integer.recents_max_task_stack_view_dim);
195        taskStackTopPaddingPx = res.getDimensionPixelSize(R.dimen.recents_stack_top_padding);
196
197        // Task view animation and styles
198        taskViewEnterFromHomeDuration =
199                res.getInteger(R.integer.recents_animate_task_enter_from_home_duration);
200        taskViewEnterFromHomeDelay =
201                res.getInteger(R.integer.recents_animate_task_enter_from_home_delay);
202        taskViewExitToHomeDuration =
203                res.getInteger(R.integer.recents_animate_task_exit_to_home_duration);
204        taskViewRemoveAnimDuration =
205                res.getInteger(R.integer.recents_animate_task_view_remove_duration);
206        taskViewRemoveAnimTranslationXPx =
207                res.getDimensionPixelSize(R.dimen.recents_task_view_remove_anim_translation_x);
208        taskViewRoundedCornerRadiusPx =
209                res.getDimensionPixelSize(R.dimen.recents_task_view_rounded_corners_radius);
210        taskViewHighlightPx = res.getDimensionPixelSize(R.dimen.recents_task_view_highlight);
211        taskViewTranslationZMinPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_min);
212        taskViewTranslationZMaxPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_max);
213        taskViewAffiliateGroupEnterOffsetPx =
214                res.getDimensionPixelSize(R.dimen.recents_task_view_affiliate_group_enter_offset);
215
216        // Task bar colors
217        taskBarViewDefaultBackgroundColor =
218                res.getColor(R.color.recents_task_bar_default_background_color);
219        taskBarViewLightTextColor =
220                res.getColor(R.color.recents_task_bar_light_text_color);
221        taskBarViewDarkTextColor =
222                res.getColor(R.color.recents_task_bar_dark_text_color);
223        taskBarViewHighlightColor =
224                res.getColor(R.color.recents_task_bar_highlight_color);
225        TypedValue affMinAlphaPctValue = new TypedValue();
226        res.getValue(R.dimen.recents_task_affiliation_color_min_alpha_percentage, affMinAlphaPctValue, true);
227        taskBarViewAffiliationColorMinAlpha = affMinAlphaPctValue.getFloat();
228
229        // Task bar size & animations
230        taskBarHeight = res.getDimensionPixelSize(R.dimen.recents_task_bar_height);
231        taskBarEnterAnimDuration =
232                res.getInteger(R.integer.recents_animate_task_bar_enter_duration);
233        taskBarEnterAnimDelay =
234                res.getInteger(R.integer.recents_animate_task_bar_enter_delay);
235        taskBarExitAnimDuration =
236                res.getInteger(R.integer.recents_animate_task_bar_exit_duration);
237        taskBarDismissDozeDelaySeconds =
238                res.getInteger(R.integer.recents_task_bar_dismiss_delay_seconds);
239
240        // Lock to app
241        taskViewLockToAppButtonHeight =
242                res.getDimensionPixelSize(R.dimen.recents_task_view_lock_to_app_button_height);
243        taskViewLockToAppShortAnimDuration =
244                res.getInteger(R.integer.recents_animate_lock_to_app_button_short_duration);
245        taskViewLockToAppLongAnimDuration =
246                res.getInteger(R.integer.recents_animate_lock_to_app_button_long_duration);
247
248        // Nav bar scrim
249        navBarScrimEnterDuration =
250                res.getInteger(R.integer.recents_nav_bar_scrim_enter_duration);
251    }
252
253    /** Updates the system insets */
254    public void updateSystemInsets(Rect insets) {
255        systemInsets.set(insets);
256    }
257
258    /** Updates the search bar app widget */
259    public void updateSearchBarAppWidgetId(Context context, int appWidgetId) {
260        searchBarAppWidgetId = appWidgetId;
261        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
262        settings.edit().putInt(Constants.Values.App.Key_SearchAppWidgetId,
263                appWidgetId).apply();
264    }
265
266    /** Updates the states that need to be re-read whenever we re-initialize. */
267    void updateOnReinitialize(Context context, SystemServicesProxy ssp) {
268        // Check if the developer options are enabled
269        developerOptionsEnabled = ssp.getGlobalSetting(context,
270                Settings.Global.DEVELOPMENT_SETTINGS_ENABLED) != 0;
271        lockToAppEnabled = ssp.getSystemSetting(context,
272                Settings.System.LOCK_TO_APP_ENABLED) != 0;
273    }
274
275    /** Called when the configuration has changed, and we want to reset any configuration specific
276     * members. */
277    public void updateOnConfigurationChange() {
278        launchedWithAltTab = false;
279        launchedWithNoRecentTasks = false;
280        launchedFromAppWithThumbnail = false;
281        launchedFromAppWithScreenshot = false;
282        launchedFromHome = false;
283        launchedToTaskId = -1;
284    }
285
286    /** Returns whether the search bar app widget exists. */
287    public boolean hasSearchBarAppWidget() {
288        return searchBarAppWidgetId >= 0;
289    }
290
291    /** Returns whether the status bar scrim should be animated when shown for the first time. */
292    public boolean shouldAnimateStatusBarScrim() {
293        return launchedFromHome;
294    }
295
296    /** Returns whether the status bar scrim should be visible. */
297    public boolean hasStatusBarScrim() {
298        return !launchedWithNoRecentTasks;
299    }
300
301    /** Returns whether the nav bar scrim should be animated when shown for the first time. */
302    public boolean shouldAnimateNavBarScrim() {
303        return true;
304    }
305
306    /** Returns whether the nav bar scrim should be visible. */
307    public boolean hasNavBarScrim() {
308        // Only show the scrim if we have recent tasks, and if the nav bar is not transposed
309        return !launchedWithNoRecentTasks &&
310                (!transposeRecentsLayoutWithOrientation || !isLandscape);
311    }
312
313    /** Returns whether the current layout is horizontal. */
314    public boolean hasHorizontalLayout() {
315        return isLandscape && transposeRecentsLayoutWithOrientation;
316    }
317
318    /**
319     * Returns the task stack bounds in the current orientation. These bounds do not account for
320     * the system insets.
321     */
322    public void getTaskStackBounds(int windowWidth, int windowHeight, int topInset, int rightInset,
323                                   Rect taskStackBounds) {
324        Rect searchBarBounds = new Rect();
325        getSearchBarBounds(windowWidth, windowHeight, topInset, searchBarBounds);
326        if (isLandscape && transposeRecentsLayoutWithOrientation) {
327            // In landscape, the search bar appears on the left
328            taskStackBounds.set(searchBarBounds.right, topInset, windowWidth - rightInset, windowHeight);
329        } else {
330            // In portrait, the search bar appears on the top (which already has the inset)
331            taskStackBounds.set(0, searchBarBounds.bottom, windowWidth, windowHeight);
332        }
333    }
334
335    /**
336     * Returns the search bar bounds in the current orientation.  These bounds do not account for
337     * the system insets.
338     */
339    public void getSearchBarBounds(int windowWidth, int windowHeight, int topInset,
340                                   Rect searchBarSpaceBounds) {
341        // Return empty rects if search is not enabled
342        int searchBarSize = searchBarSpaceHeightPx;
343        if (!Constants.DebugFlags.App.EnableSearchLayout || !hasSearchBarAppWidget()) {
344            searchBarSize = 0;
345        }
346
347        if (isLandscape && transposeRecentsLayoutWithOrientation) {
348            // In landscape, the search bar appears on the left
349            searchBarSpaceBounds.set(0, topInset, searchBarSize, windowHeight);
350        } else {
351            // In portrait, the search bar appears on the top
352            searchBarSpaceBounds.set(0, topInset, windowWidth, topInset + searchBarSize);
353        }
354    }
355}
356