RecentsConfiguration.java revision 852975d5377bfe5f4abc9d2a28e301aa2fa99994 
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 taskStackMaxDim;
71    public int taskStackTopPaddingPx;
72    public float taskStackWidthPaddingPct;
73
74    /** Task view animation and styles */
75    public int taskViewEnterFromHomeDuration;
76    public int taskViewEnterFromHomeDelay;
77    public int taskViewExitToHomeDuration;
78    public int taskViewRemoveAnimDuration;
79    public int taskViewRemoveAnimTranslationXPx;
80    public int taskViewTranslationZMinPx;
81    public int taskViewTranslationZMaxPx;
82    public int taskViewRoundedCornerRadiusPx;
83    public int taskViewHighlightPx;
84    public int taskViewAffiliateGroupEnterOffsetPx;
85    public float taskViewThumbnailAlpha;
86
87    /** Task bar colors */
88    public int taskBarViewDefaultBackgroundColor;
89    public int taskBarViewLightTextColor;
90    public int taskBarViewDarkTextColor;
91    public int taskBarViewHighlightColor;
92    public float taskBarViewAffiliationColorMinAlpha;
93
94    /** Task bar size & animations */
95    public int taskBarHeight;
96    public int taskBarEnterAnimDuration;
97    public int taskBarEnterAnimDelay;
98    public int taskBarExitAnimDuration;
99    public int taskBarDismissDozeDelaySeconds;
100
101    /** Lock to app */
102    public int taskViewLockToAppButtonHeight;
103    public int taskViewLockToAppShortAnimDuration;
104    public int taskViewLockToAppLongAnimDuration;
105
106    /** Nav bar scrim */
107    public int navBarScrimEnterDuration;
108
109    /** Launch states */
110    public boolean launchedWithAltTab;
111    public boolean launchedWithNoRecentTasks;
112    public boolean launchedFromAppWithThumbnail;
113    public boolean launchedFromAppWithScreenshot;
114    public boolean launchedFromHome;
115    public int launchedToTaskId;
116
117    /** Misc **/
118    public int altTabKeyDelay;
119
120    /** Dev options and global settings */
121    public boolean lockToAppEnabled;
122    public boolean developerOptionsEnabled;
123    public boolean debugModeEnabled;
124
125    /** Private constructor */
126    private RecentsConfiguration(Context context) {
127        // Properties that don't have to be reloaded with each configuration change can be loaded
128        // here.
129
130        // Interpolators
131        fastOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
132                com.android.internal.R.interpolator.fast_out_slow_in);
133        fastOutLinearInInterpolator = AnimationUtils.loadInterpolator(context,
134                com.android.internal.R.interpolator.fast_out_linear_in);
135        linearOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
136                com.android.internal.R.interpolator.linear_out_slow_in);
137        quintOutInterpolator = AnimationUtils.loadInterpolator(context,
138                com.android.internal.R.interpolator.decelerate_quint);
139    }
140
141    /** Updates the configuration to the current context */
142    public static RecentsConfiguration reinitialize(Context context, SystemServicesProxy ssp) {
143        if (sInstance == null) {
144            sInstance = new RecentsConfiguration(context);
145        }
146        int configHashCode = context.getResources().getConfiguration().hashCode();
147        if (sPrevConfigurationHashCode != configHashCode) {
148            sInstance.update(context);
149            sPrevConfigurationHashCode = configHashCode;
150        }
151        sInstance.updateOnReinitialize(context, ssp);
152        return sInstance;
153    }
154
155    /** Returns the current recents configuration */
156    public static RecentsConfiguration getInstance() {
157        return sInstance;
158    }
159
160    /** Updates the state, given the specified context */
161    void update(Context context) {
162        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
163        Resources res = context.getResources();
164        DisplayMetrics dm = res.getDisplayMetrics();
165
166        // Debug mode
167        debugModeEnabled = settings.getBoolean(Constants.Values.App.Key_DebugModeEnabled, false);
168        if (debugModeEnabled) {
169            Console.Enabled = true;
170        }
171
172        // Layout
173        isLandscape = res.getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
174        transposeRecentsLayoutWithOrientation =
175                res.getBoolean(R.bool.recents_transpose_layout_with_orientation);
176
177        // Insets
178        displayRect.set(0, 0, dm.widthPixels, dm.heightPixels);
179
180        // Animations
181        animationPxMovementPerSecond =
182                res.getDimensionPixelSize(R.dimen.recents_animation_movement_in_dps_per_second);
183
184        // Filtering
185        filteringCurrentViewsAnimDuration =
186                res.getInteger(R.integer.recents_filter_animate_current_views_duration);
187        filteringNewViewsAnimDuration =
188                res.getInteger(R.integer.recents_filter_animate_new_views_duration);
189
190        // Loading
191        maxNumTasksToLoad = ActivityManager.getMaxRecentTasksStatic();
192
193        // Search Bar
194        searchBarSpaceHeightPx = res.getDimensionPixelSize(R.dimen.recents_search_bar_space_height);
195        searchBarAppWidgetId = settings.getInt(Constants.Values.App.Key_SearchAppWidgetId, -1);
196
197        // Task stack
198        TypedValue widthPaddingPctValue = new TypedValue();
199        res.getValue(R.dimen.recents_stack_width_padding_percentage, widthPaddingPctValue, true);
200        taskStackWidthPaddingPct = widthPaddingPctValue.getFloat();
201        taskStackMaxDim = res.getInteger(R.integer.recents_max_task_stack_view_dim);
202        taskStackTopPaddingPx = res.getDimensionPixelSize(R.dimen.recents_stack_top_padding);
203
204        // Task view animation and styles
205        taskViewEnterFromHomeDuration =
206                res.getInteger(R.integer.recents_animate_task_enter_from_home_duration);
207        taskViewEnterFromHomeDelay =
208                res.getInteger(R.integer.recents_animate_task_enter_from_home_delay);
209        taskViewExitToHomeDuration =
210                res.getInteger(R.integer.recents_animate_task_exit_to_home_duration);
211        taskViewRemoveAnimDuration =
212                res.getInteger(R.integer.recents_animate_task_view_remove_duration);
213        taskViewRemoveAnimTranslationXPx =
214                res.getDimensionPixelSize(R.dimen.recents_task_view_remove_anim_translation_x);
215        taskViewRoundedCornerRadiusPx =
216                res.getDimensionPixelSize(R.dimen.recents_task_view_rounded_corners_radius);
217        taskViewHighlightPx = res.getDimensionPixelSize(R.dimen.recents_task_view_highlight);
218        taskViewTranslationZMinPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_min);
219        taskViewTranslationZMaxPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_max);
220        taskViewAffiliateGroupEnterOffsetPx =
221                res.getDimensionPixelSize(R.dimen.recents_task_view_affiliate_group_enter_offset);
222        TypedValue thumbnailAlphaValue = new TypedValue();
223        res.getValue(R.dimen.recents_task_view_thumbnail_alpha, thumbnailAlphaValue, true);
224        taskViewThumbnailAlpha = thumbnailAlphaValue.getFloat();
225
226        // Task bar colors
227        taskBarViewDefaultBackgroundColor =
228                res.getColor(R.color.recents_task_bar_default_background_color);
229        taskBarViewLightTextColor =
230                res.getColor(R.color.recents_task_bar_light_text_color);
231        taskBarViewDarkTextColor =
232                res.getColor(R.color.recents_task_bar_dark_text_color);
233        taskBarViewHighlightColor =
234                res.getColor(R.color.recents_task_bar_highlight_color);
235        TypedValue affMinAlphaPctValue = new TypedValue();
236        res.getValue(R.dimen.recents_task_affiliation_color_min_alpha_percentage, affMinAlphaPctValue, true);
237        taskBarViewAffiliationColorMinAlpha = affMinAlphaPctValue.getFloat();
238
239        // Task bar size & animations
240        taskBarHeight = res.getDimensionPixelSize(R.dimen.recents_task_bar_height);
241        taskBarEnterAnimDuration =
242                res.getInteger(R.integer.recents_animate_task_bar_enter_duration);
243        taskBarEnterAnimDelay =
244                res.getInteger(R.integer.recents_animate_task_bar_enter_delay);
245        taskBarExitAnimDuration =
246                res.getInteger(R.integer.recents_animate_task_bar_exit_duration);
247        taskBarDismissDozeDelaySeconds =
248                res.getInteger(R.integer.recents_task_bar_dismiss_delay_seconds);
249
250        // Lock to app
251        taskViewLockToAppButtonHeight =
252                res.getDimensionPixelSize(R.dimen.recents_task_view_lock_to_app_button_height);
253        taskViewLockToAppShortAnimDuration =
254                res.getInteger(R.integer.recents_animate_lock_to_app_button_short_duration);
255        taskViewLockToAppLongAnimDuration =
256                res.getInteger(R.integer.recents_animate_lock_to_app_button_long_duration);
257
258        // Nav bar scrim
259        navBarScrimEnterDuration =
260                res.getInteger(R.integer.recents_nav_bar_scrim_enter_duration);
261
262        // Misc
263        altTabKeyDelay = res.getInteger(R.integer.recents_alt_tab_key_delay);
264    }
265
266    /** Updates the system insets */
267    public void updateSystemInsets(Rect insets) {
268        systemInsets.set(insets);
269    }
270
271    /** Updates the search bar app widget */
272    public void updateSearchBarAppWidgetId(Context context, int appWidgetId) {
273        searchBarAppWidgetId = appWidgetId;
274        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
275        settings.edit().putInt(Constants.Values.App.Key_SearchAppWidgetId,
276                appWidgetId).apply();
277    }
278
279    /** Updates the states that need to be re-read whenever we re-initialize. */
280    void updateOnReinitialize(Context context, SystemServicesProxy ssp) {
281        // Check if the developer options are enabled
282        developerOptionsEnabled = ssp.getGlobalSetting(context,
283                Settings.Global.DEVELOPMENT_SETTINGS_ENABLED) != 0;
284        lockToAppEnabled = ssp.getSystemSetting(context,
285                Settings.System.LOCK_TO_APP_ENABLED) != 0;
286    }
287
288    /** Called when the configuration has changed, and we want to reset any configuration specific
289     * members. */
290    public void updateOnConfigurationChange() {
291        launchedWithAltTab = false;
292        launchedWithNoRecentTasks = false;
293        launchedFromAppWithThumbnail = false;
294        launchedFromAppWithScreenshot = false;
295        launchedFromHome = false;
296        launchedToTaskId = -1;
297    }
298
299    /** Returns whether the search bar app widget exists. */
300    public boolean hasSearchBarAppWidget() {
301        return searchBarAppWidgetId >= 0;
302    }
303
304    /** Returns whether the status bar scrim should be animated when shown for the first time. */
305    public boolean shouldAnimateStatusBarScrim() {
306        return launchedFromHome;
307    }
308
309    /** Returns whether the status bar scrim should be visible. */
310    public boolean hasStatusBarScrim() {
311        return !launchedWithNoRecentTasks;
312    }
313
314    /** Returns whether the nav bar scrim should be animated when shown for the first time. */
315    public boolean shouldAnimateNavBarScrim() {
316        return true;
317    }
318
319    /** Returns whether the nav bar scrim should be visible. */
320    public boolean hasNavBarScrim() {
321        // Only show the scrim if we have recent tasks, and if the nav bar is not transposed
322        return !launchedWithNoRecentTasks &&
323                (!transposeRecentsLayoutWithOrientation || !isLandscape);
324    }
325
326    /** Returns whether the current layout is horizontal. */
327    public boolean hasHorizontalLayout() {
328        return isLandscape && transposeRecentsLayoutWithOrientation;
329    }
330
331    /**
332     * Returns the task stack bounds in the current orientation. These bounds do not account for
333     * the system insets.
334     */
335    public void getTaskStackBounds(int windowWidth, int windowHeight, int topInset, int rightInset,
336                                   Rect taskStackBounds) {
337        Rect searchBarBounds = new Rect();
338        getSearchBarBounds(windowWidth, windowHeight, topInset, searchBarBounds);
339        if (isLandscape && transposeRecentsLayoutWithOrientation) {
340            // In landscape, the search bar appears on the left
341            taskStackBounds.set(searchBarBounds.right, topInset, windowWidth - rightInset, windowHeight);
342        } else {
343            // In portrait, the search bar appears on the top (which already has the inset)
344            taskStackBounds.set(0, searchBarBounds.bottom, windowWidth, windowHeight);
345        }
346    }
347
348    /**
349     * Returns the search bar bounds in the current orientation.  These bounds do not account for
350     * the system insets.
351     */
352    public void getSearchBarBounds(int windowWidth, int windowHeight, int topInset,
353                                   Rect searchBarSpaceBounds) {
354        // Return empty rects if search is not enabled
355        int searchBarSize = searchBarSpaceHeightPx;
356        if (!Constants.DebugFlags.App.EnableSearchLayout || !hasSearchBarAppWidget()) {
357            searchBarSize = 0;
358        }
359
360        if (isLandscape && transposeRecentsLayoutWithOrientation) {
361            // In landscape, the search bar appears on the left
362            searchBarSpaceBounds.set(0, topInset, searchBarSize, windowHeight);
363        } else {
364            // In portrait, the search bar appears on the top
365            searchBarSpaceBounds.set(0, topInset, windowWidth, topInset + searchBarSize);
366        }
367    }
368}
369