RecentsConfiguration.java revision 6057c91563402f900dfc7714a46e952d86172e2f 
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.ContentResolver;
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;
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
39    DisplayMetrics mDisplayMetrics;
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    /** Search bar */
63    int searchBarAppWidgetId = -1;
64    public int searchBarSpaceHeightPx;
65
66    /** Task stack */
67    public int taskStackMaxDim;
68    public int taskStackTopPaddingPx;
69    public float taskStackWidthPaddingPct;
70
71    /** Task view animation and styles */
72    public int taskViewEnterFromHomeDuration;
73    public int taskViewEnterFromHomeDelay;
74    public int taskViewExitToHomeDuration;
75    public int taskViewRemoveAnimDuration;
76    public int taskViewRemoveAnimTranslationXPx;
77    public int taskViewTranslationZMinPx;
78    public int taskViewTranslationZIncrementPx;
79    public int taskViewRoundedCornerRadiusPx;
80    public int taskViewHighlightPx;
81
82    /** Task bar colors */
83    public int taskBarViewDefaultBackgroundColor;
84    public int taskBarViewLightTextColor;
85    public int taskBarViewDarkTextColor;
86    public int taskBarViewHighlightColor;
87
88    /** Task bar animations */
89    public int taskBarEnterAnimDuration;
90    public int taskBarEnterAnimDelay;
91    public int taskBarExitAnimDuration;
92    public int taskBarDismissDozeDelaySeconds;
93
94    /** Nav bar scrim */
95    public int navBarScrimEnterDuration;
96
97    /** Launch states */
98    public boolean launchedWithAltTab;
99    public boolean launchedWithNoRecentTasks;
100    public boolean launchedFromAppWithThumbnail;
101    public boolean launchedFromAppWithScreenshot;
102    public boolean launchedFromHome;
103    public int launchedToTaskId;
104
105    /** Dev options */
106    public boolean developerOptionsEnabled;
107    public boolean debugModeEnabled;
108
109    /** Private constructor */
110    private RecentsConfiguration(Context context) {
111        // Properties that don't have to be reloaded with each configuration change can be loaded
112        // here.
113
114        // Interpolators
115        fastOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
116                com.android.internal.R.interpolator.fast_out_slow_in);
117        fastOutLinearInInterpolator = AnimationUtils.loadInterpolator(context,
118                com.android.internal.R.interpolator.fast_out_linear_in);
119        linearOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
120                com.android.internal.R.interpolator.linear_out_slow_in);
121        quintOutInterpolator = AnimationUtils.loadInterpolator(context,
122                com.android.internal.R.interpolator.decelerate_quint);
123
124        // Check if the developer options are enabled
125        ContentResolver cr = context.getContentResolver();
126        developerOptionsEnabled = Settings.Global.getInt(cr,
127                Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0;
128    }
129
130    /** Updates the configuration to the current context */
131    public static RecentsConfiguration reinitialize(Context context) {
132        if (sInstance == null) {
133            sInstance = new RecentsConfiguration(context);
134        }
135        sInstance.update(context);
136        return sInstance;
137    }
138
139    /** Returns the current recents configuration */
140    public static RecentsConfiguration getInstance() {
141        return sInstance;
142    }
143
144    /** Updates the state, given the specified context */
145    void update(Context context) {
146        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
147        Resources res = context.getResources();
148        DisplayMetrics dm = res.getDisplayMetrics();
149        mDisplayMetrics = dm;
150
151        // Debug mode
152        debugModeEnabled = settings.getBoolean(Constants.Values.App.Key_DebugModeEnabled, false);
153        if (debugModeEnabled) {
154            Console.Enabled = true;
155        }
156
157        // Animations
158        animationPxMovementPerSecond =
159                res.getDimensionPixelSize(R.dimen.recents_animation_movement_in_dps_per_second);
160
161        // Filtering
162        filteringCurrentViewsAnimDuration =
163                res.getInteger(R.integer.recents_filter_animate_current_views_duration);
164        filteringNewViewsAnimDuration =
165                res.getInteger(R.integer.recents_filter_animate_new_views_duration);
166
167        // Insets
168        displayRect.set(0, 0, dm.widthPixels, dm.heightPixels);
169
170        // Layout
171        isLandscape = res.getConfiguration().orientation ==
172                Configuration.ORIENTATION_LANDSCAPE;
173        transposeRecentsLayoutWithOrientation =
174                res.getBoolean(R.bool.recents_transpose_layout_with_orientation);
175
176        // Search bar
177        searchBarSpaceHeightPx = res.getDimensionPixelSize(R.dimen.recents_search_bar_space_height);
178
179        // Update the search widget id
180        searchBarAppWidgetId = settings.getInt(Constants.Values.App.Key_SearchAppWidgetId, -1);
181
182        // Task stack
183        TypedValue widthPaddingPctValue = new TypedValue();
184        res.getValue(R.dimen.recents_stack_width_padding_percentage, widthPaddingPctValue, true);
185        taskStackWidthPaddingPct = widthPaddingPctValue.getFloat();
186        taskStackMaxDim = res.getInteger(R.integer.recents_max_task_stack_view_dim);
187        taskStackTopPaddingPx = res.getDimensionPixelSize(R.dimen.recents_stack_top_padding);
188
189        // Task view animation and styles
190        taskViewEnterFromHomeDuration =
191                res.getInteger(R.integer.recents_animate_task_enter_from_home_duration);
192        taskViewEnterFromHomeDelay =
193                res.getInteger(R.integer.recents_animate_task_enter_from_home_delay);
194        taskViewExitToHomeDuration =
195                res.getInteger(R.integer.recents_animate_task_exit_to_home_duration);
196        taskViewRemoveAnimDuration =
197                res.getInteger(R.integer.recents_animate_task_view_remove_duration);
198        taskViewRemoveAnimTranslationXPx =
199                res.getDimensionPixelSize(R.dimen.recents_task_view_remove_anim_translation_x);
200        taskViewRoundedCornerRadiusPx =
201                res.getDimensionPixelSize(R.dimen.recents_task_view_rounded_corners_radius);
202        taskViewHighlightPx = res.getDimensionPixelSize(R.dimen.recents_task_view_highlight);
203        taskViewTranslationZMinPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_min);
204        taskViewTranslationZIncrementPx =
205                res.getDimensionPixelSize(R.dimen.recents_task_view_z_increment);
206
207        // Task bar colors
208        taskBarViewDefaultBackgroundColor =
209                res.getColor(R.color.recents_task_bar_default_background_color);
210        taskBarViewLightTextColor =
211                res.getColor(R.color.recents_task_bar_light_text_color);
212        taskBarViewDarkTextColor =
213                res.getColor(R.color.recents_task_bar_dark_text_color);
214        taskBarViewHighlightColor =
215                res.getColor(R.color.recents_task_bar_highlight_color);
216
217        // Task bar animations
218        taskBarEnterAnimDuration =
219                res.getInteger(R.integer.recents_animate_task_bar_enter_duration);
220        taskBarEnterAnimDelay =
221                res.getInteger(R.integer.recents_animate_task_bar_enter_delay);
222        taskBarExitAnimDuration =
223                res.getInteger(R.integer.recents_animate_task_bar_exit_duration);
224        taskBarDismissDozeDelaySeconds =
225                res.getInteger(R.integer.recents_task_bar_dismiss_delay_seconds);
226
227        // Nav bar scrim
228        navBarScrimEnterDuration =
229                res.getInteger(R.integer.recents_nav_bar_scrim_enter_duration);
230
231        if (Console.Enabled) {
232            Console.log(Constants.Log.UI.MeasureAndLayout,
233                    "[RecentsConfiguration|orientation]", isLandscape ? "Landscape" : "Portrait",
234                    Console.AnsiGreen);
235        }
236    }
237
238    /** Updates the system insets */
239    public void updateSystemInsets(Rect insets) {
240        systemInsets.set(insets);
241    }
242
243    /** Updates the search bar app widget */
244    public void updateSearchBarAppWidgetId(Context context, int appWidgetId) {
245        searchBarAppWidgetId = appWidgetId;
246        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
247        settings.edit().putInt(Constants.Values.App.Key_SearchAppWidgetId,
248                appWidgetId).apply();
249    }
250
251    /** Called when the configuration has changed, and we want to reset any configuration specific
252     * members. */
253    public void updateOnConfigurationChange() {
254        launchedWithAltTab = false;
255        launchedWithNoRecentTasks = false;
256        launchedFromAppWithThumbnail = false;
257        launchedFromAppWithScreenshot = false;
258        launchedFromHome = false;
259        launchedToTaskId = -1;
260    }
261
262    /** Returns whether the search bar app widget exists. */
263    public boolean hasSearchBarAppWidget() {
264        return searchBarAppWidgetId >= 0;
265    }
266
267    /** Returns whether the status bar scrim should be animated when shown for the first time. */
268    public boolean shouldAnimateStatusBarScrim() {
269        return launchedFromHome;
270    }
271
272    /** Returns whether the status bar scrim should be visible. */
273    public boolean hasStatusBarScrim() {
274        return !launchedWithNoRecentTasks;
275    }
276
277    /** Returns whether the nav bar scrim should be animated when shown for the first time. */
278    public boolean shouldAnimateNavBarScrim() {
279        return true;
280    }
281
282    /** Returns whether the nav bar scrim should be visible. */
283    public boolean hasNavBarScrim() {
284        // Only show the scrim if we have recent tasks, and if the nav bar is not transposed
285        return !launchedWithNoRecentTasks &&
286                (!transposeRecentsLayoutWithOrientation || !isLandscape);
287    }
288
289    /**
290     * Returns the task stack bounds in the current orientation. These bounds do not account for
291     * the system insets.
292     */
293    public void getTaskStackBounds(int width, int height, Rect taskStackBounds) {
294        if (hasSearchBarAppWidget()) {
295            Rect searchBarBounds = new Rect();
296            getSearchBarBounds(width, height, searchBarBounds);
297            if (isLandscape && transposeRecentsLayoutWithOrientation) {
298                // In landscape, the search bar appears on the left, so shift the task rect right
299                taskStackBounds.set(searchBarBounds.width(), 0, width, height);
300            } else {
301                // In portrait, the search bar appears on the top, so shift the task rect below
302                taskStackBounds.set(0, searchBarBounds.height(), width, height);
303            }
304        } else {
305            taskStackBounds.set(0, 0, width, height);
306        }
307    }
308
309    /**
310     * Returns the search bar bounds in the current orientation.  These bounds do not account for
311     * the system insets.
312     */
313    public void getSearchBarBounds(int width, int height, Rect searchBarSpaceBounds) {
314        // Return empty rects if search is not enabled
315        if (!Constants.DebugFlags.App.EnableSearchLayout) {
316            searchBarSpaceBounds.set(0, 0, 0, 0);
317            return;
318        }
319
320        if (isLandscape && transposeRecentsLayoutWithOrientation) {
321            // In landscape, the search bar appears on the left
322            searchBarSpaceBounds.set(0, 0, searchBarSpaceHeightPx, height);
323        } else {
324            // In portrait, the search bar appears on the top
325            searchBarSpaceBounds.set(0, 0, width, searchBarSpaceHeightPx);
326        }
327    }
328}
329