summaryrefslogtreecommitdiffstats
path: root/core/java/com/android/internal/app/ToolbarActionBar.java
blob: c1b184e12fb9ee4a276b110bd90f398f99ae052e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package com.android.internal.app;

import android.annotation.Nullable;
import android.app.ActionBar;
import android.content.Context;
import android.content.res.Configuration;
import android.graphics.drawable.Drawable;
import android.view.ActionMode;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.Window;
import android.view.WindowCallbackWrapper;
import android.widget.SpinnerAdapter;
import android.widget.Toolbar;
import com.android.internal.view.menu.MenuBuilder;
import com.android.internal.view.menu.MenuPresenter;
import com.android.internal.widget.DecorToolbar;
import com.android.internal.widget.ToolbarWidgetWrapper;

import java.util.ArrayList;

public class ToolbarActionBar extends ActionBar {
    private DecorToolbar mDecorToolbar;
    private boolean mToolbarMenuPrepared;
    private Window.Callback mWindowCallback;
    private boolean mMenuCallbackSet;

    private boolean mLastMenuVisibility;
    private ArrayList<OnMenuVisibilityListener> mMenuVisibilityListeners =
            new ArrayList<OnMenuVisibilityListener>();

    private final Runnable mMenuInvalidator = new Runnable() {
        @Override
        public void run() {
            populateOptionsMenu();
        }
    };

    private final Toolbar.OnMenuItemClickListener mMenuClicker =
            new Toolbar.OnMenuItemClickListener() {
        @Override
        public boolean onMenuItemClick(MenuItem item) {
            return mWindowCallback.onMenuItemSelected(Window.FEATURE_OPTIONS_PANEL, item);
        }
    };

    public ToolbarActionBar(Toolbar toolbar, CharSequence title, Window.Callback windowCallback) {
        mDecorToolbar = new ToolbarWidgetWrapper(toolbar, false);
        mWindowCallback = new ToolbarCallbackWrapper(windowCallback);
        mDecorToolbar.setWindowCallback(mWindowCallback);
        toolbar.setOnMenuItemClickListener(mMenuClicker);
        mDecorToolbar.setWindowTitle(title);
    }

    public Window.Callback getWrappedWindowCallback() {
        return mWindowCallback;
    }

    @Override
    public void setCustomView(View view) {
        setCustomView(view, new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
    }

    @Override
    public void setCustomView(View view, LayoutParams layoutParams) {
        if (view != null) {
            view.setLayoutParams(layoutParams);
        }
        mDecorToolbar.setCustomView(view);
    }

    @Override
    public void setCustomView(int resId) {
        final LayoutInflater inflater = LayoutInflater.from(mDecorToolbar.getContext());
        setCustomView(inflater.inflate(resId, mDecorToolbar.getViewGroup(), false));
    }

    @Override
    public void setIcon(int resId) {
        mDecorToolbar.setIcon(resId);
    }

    @Override
    public void setIcon(Drawable icon) {
        mDecorToolbar.setIcon(icon);
    }

    @Override
    public void setLogo(int resId) {
        mDecorToolbar.setLogo(resId);
    }

    @Override
    public void setLogo(Drawable logo) {
        mDecorToolbar.setLogo(logo);
    }

    @Override
    public void setStackedBackgroundDrawable(Drawable d) {
        // This space for rent (do nothing)
    }

    @Override
    public void setSplitBackgroundDrawable(Drawable d) {
        // This space for rent (do nothing)
    }

    @Override
    public void setHomeButtonEnabled(boolean enabled) {
        // If the nav button on a Toolbar is present, it's enabled. No-op.
    }

    @Override
    public void setElevation(float elevation) {
        mDecorToolbar.getViewGroup().setElevation(elevation);
    }

    @Override
    public float getElevation() {
        return mDecorToolbar.getViewGroup().getElevation();
    }

    @Override
    public Context getThemedContext() {
        return mDecorToolbar.getContext();
    }

    @Override
    public boolean isTitleTruncated() {
        return super.isTitleTruncated();
    }

    @Override
    public void setHomeAsUpIndicator(Drawable indicator) {
        mDecorToolbar.setNavigationIcon(indicator);
    }

    @Override
    public void setHomeAsUpIndicator(int resId) {
        mDecorToolbar.setNavigationIcon(resId);
    }

    @Override
    public void setHomeActionContentDescription(CharSequence description) {
        mDecorToolbar.setNavigationContentDescription(description);
    }

    @Override
    public void setDefaultDisplayHomeAsUpEnabled(boolean enabled) {
        // Do nothing
    }

    @Override
    public void setHomeActionContentDescription(int resId) {
        mDecorToolbar.setNavigationContentDescription(resId);
    }

    @Override
    public void setShowHideAnimationEnabled(boolean enabled) {
        // This space for rent; no-op.
    }

    @Override
    public void onConfigurationChanged(Configuration config) {
        super.onConfigurationChanged(config);
    }

    @Override
    public ActionMode startActionMode(ActionMode.Callback callback) {
        return null;
    }

    @Override
    public void setListNavigationCallbacks(SpinnerAdapter adapter, OnNavigationListener callback) {
        mDecorToolbar.setDropdownParams(adapter, new NavItemSelectedListener(callback));
    }

    @Override
    public void setSelectedNavigationItem(int position) {
        switch (mDecorToolbar.getNavigationMode()) {
            case NAVIGATION_MODE_LIST:
                mDecorToolbar.setDropdownSelectedPosition(position);
                break;
            default:
                throw new IllegalStateException(
                        "setSelectedNavigationIndex not valid for current navigation mode");
        }
    }

    @Override
    public int getSelectedNavigationIndex() {
        return -1;
    }

    @Override
    public int getNavigationItemCount() {
        return 0;
    }

    @Override
    public void setTitle(CharSequence title) {
        mDecorToolbar.setTitle(title);
    }

    @Override
    public void setTitle(int resId) {
        mDecorToolbar.setTitle(resId != 0 ? mDecorToolbar.getContext().getText(resId) : null);
    }

    @Override
    public void setWindowTitle(CharSequence title) {
        mDecorToolbar.setWindowTitle(title);
    }

    @Override
    public void setSubtitle(CharSequence subtitle) {
        mDecorToolbar.setSubtitle(subtitle);
    }

    @Override
    public void setSubtitle(int resId) {
        mDecorToolbar.setSubtitle(resId != 0 ? mDecorToolbar.getContext().getText(resId) : null);
    }

    @Override
    public void setDisplayOptions(@DisplayOptions int options) {
        setDisplayOptions(options, 0xffffffff);
    }

    @Override
    public void setDisplayOptions(@DisplayOptions int options, @DisplayOptions int mask) {
        final int currentOptions = mDecorToolbar.getDisplayOptions();
        mDecorToolbar.setDisplayOptions(options & mask | currentOptions & ~mask);
    }

    @Override
    public void setDisplayUseLogoEnabled(boolean useLogo) {
        setDisplayOptions(useLogo ? DISPLAY_USE_LOGO : 0, DISPLAY_USE_LOGO);
    }

    @Override
    public void setDisplayShowHomeEnabled(boolean showHome) {
        setDisplayOptions(showHome ? DISPLAY_SHOW_HOME : 0, DISPLAY_SHOW_HOME);
    }

    @Override
    public void setDisplayHomeAsUpEnabled(boolean showHomeAsUp) {
        setDisplayOptions(showHomeAsUp ? DISPLAY_HOME_AS_UP : 0, DISPLAY_HOME_AS_UP);
    }

    @Override
    public void setDisplayShowTitleEnabled(boolean showTitle) {
        setDisplayOptions(showTitle ? DISPLAY_SHOW_TITLE : 0, DISPLAY_SHOW_TITLE);
    }

    @Override
    public void setDisplayShowCustomEnabled(boolean showCustom) {
        setDisplayOptions(showCustom ? DISPLAY_SHOW_CUSTOM : 0, DISPLAY_SHOW_CUSTOM);
    }

    @Override
    public void setBackgroundDrawable(@Nullable Drawable d) {
        mDecorToolbar.setBackgroundDrawable(d);
    }

    @Override
    public View getCustomView() {
        return mDecorToolbar.getCustomView();
    }

    @Override
    public CharSequence getTitle() {
        return mDecorToolbar.getTitle();
    }

    @Override
    public CharSequence getSubtitle() {
        return mDecorToolbar.getSubtitle();
    }

    @Override
    public int getNavigationMode() {
        return NAVIGATION_MODE_STANDARD;
    }

    @Override
    public void setNavigationMode(@NavigationMode int mode) {
        if (mode == ActionBar.NAVIGATION_MODE_TABS) {
            throw new IllegalArgumentException("Tabs not supported in this configuration");
        }
        mDecorToolbar.setNavigationMode(mode);
    }

    @Override
    public int getDisplayOptions() {
        return mDecorToolbar.getDisplayOptions();
    }

    @Override
    public Tab newTab() {
        throw new UnsupportedOperationException(
                "Tabs are not supported in toolbar action bars");
    }

    @Override
    public void addTab(Tab tab) {
        throw new UnsupportedOperationException(
                "Tabs are not supported in toolbar action bars");
    }

    @Override
    public void addTab(Tab tab, boolean setSelected) {
        throw new UnsupportedOperationException(
                "Tabs are not supported in toolbar action bars");
    }

    @Override
    public void addTab(Tab tab, int position) {
        throw new UnsupportedOperationException(
                "Tabs are not supported in toolbar action bars");
    }

    @Override
    public void addTab(Tab tab, int position, boolean setSelected) {
        throw new UnsupportedOperationException(
                "Tabs are not supported in toolbar action bars");
    }

    @Override
    public void removeTab(Tab tab) {
        throw new UnsupportedOperationException(
                "Tabs are not supported in toolbar action bars");
    }

    @Override
    public void removeTabAt(int position) {
        throw new UnsupportedOperationException(
                "Tabs are not supported in toolbar action bars");
    }

    @Override
    public void removeAllTabs() {
        throw new UnsupportedOperationException(
                "Tabs are not supported in toolbar action bars");
    }

    @Override
    public void selectTab(Tab tab) {
        throw new UnsupportedOperationException(
                "Tabs are not supported in toolbar action bars");
    }

    @Override
    public Tab getSelectedTab() {
        throw new UnsupportedOperationException(
                "Tabs are not supported in toolbar action bars");
    }

    @Override
    public Tab getTabAt(int index) {
        throw new UnsupportedOperationException(
                "Tabs are not supported in toolbar action bars");
    }

    @Override
    public int getTabCount() {
        return 0;
    }

    @Override
    public int getHeight() {
        return mDecorToolbar.getHeight();
    }

    @Override
    public void show() {
        // TODO: Consider a better transition for this.
        // Right now use no automatic transition so that the app can supply one if desired.
        mDecorToolbar.setVisibility(View.VISIBLE);
    }

    @Override
    public void hide() {
        // TODO: Consider a better transition for this.
        // Right now use no automatic transition so that the app can supply one if desired.
        mDecorToolbar.setVisibility(View.GONE);
    }

    @Override
    public boolean isShowing() {
        return mDecorToolbar.getVisibility() == View.VISIBLE;
    }

    @Override
    public boolean openOptionsMenu() {
        return mDecorToolbar.showOverflowMenu();
    }

    @Override
    public boolean invalidateOptionsMenu() {
        mDecorToolbar.getViewGroup().removeCallbacks(mMenuInvalidator);
        mDecorToolbar.getViewGroup().postOnAnimation(mMenuInvalidator);
        return true;
    }

    @Override
    public boolean collapseActionView() {
        if (mDecorToolbar.hasExpandedActionView()) {
            mDecorToolbar.collapseActionView();
            return true;
        }
        return false;
    }

    void populateOptionsMenu() {
        if (!mMenuCallbackSet) {
            mDecorToolbar.setMenuCallbacks(new ActionMenuPresenterCallback(), new MenuBuilderCallback());
            mMenuCallbackSet = true;
        }
        final Menu menu = mDecorToolbar.getMenu();
        final MenuBuilder mb = menu instanceof MenuBuilder ? (MenuBuilder) menu : null;
        if (mb != null) {
            mb.stopDispatchingItemsChanged();
        }
        try {
            menu.clear();
            if (!mWindowCallback.onCreatePanelMenu(Window.FEATURE_OPTIONS_PANEL, menu) ||
                    !mWindowCallback.onPreparePanel(Window.FEATURE_OPTIONS_PANEL, null, menu)) {
                menu.clear();
            }
        } finally {
            if (mb != null) {
                mb.startDispatchingItemsChanged();
            }
        }
    }

    @Override
    public boolean onMenuKeyEvent(KeyEvent event) {
        if (event.getAction() == KeyEvent.ACTION_UP) {
            openOptionsMenu();
        }
        return true;
    }

    @Override
    public boolean onKeyShortcut(int keyCode, KeyEvent event) {
        Menu menu = mDecorToolbar.getMenu();
        if (menu != null) {
            menu.performShortcut(keyCode, event, 0);
        }
        // This action bar always returns true for handling keyboard shortcuts.
        // This will block the window from preparing a temporary panel to handle
        // keyboard shortcuts.
        return true;
    }

    public void addOnMenuVisibilityListener(OnMenuVisibilityListener listener) {
        mMenuVisibilityListeners.add(listener);
    }

    public void removeOnMenuVisibilityListener(OnMenuVisibilityListener listener) {
        mMenuVisibilityListeners.remove(listener);
    }

    public void dispatchMenuVisibilityChanged(boolean isVisible) {
        if (isVisible == mLastMenuVisibility) {
            return;
        }
        mLastMenuVisibility = isVisible;

        final int count = mMenuVisibilityListeners.size();
        for (int i = 0; i < count; i++) {
            mMenuVisibilityListeners.get(i).onMenuVisibilityChanged(isVisible);
        }
    }

    private class ToolbarCallbackWrapper extends WindowCallbackWrapper {
        public ToolbarCallbackWrapper(Window.Callback wrapped) {
            super(wrapped);
        }

        @Override
        public boolean onPreparePanel(int featureId, View view, Menu menu) {
            final boolean result = super.onPreparePanel(featureId, view, menu);
            if (result && !mToolbarMenuPrepared) {
                mDecorToolbar.setMenuPrepared();
                mToolbarMenuPrepared = true;
            }
            return result;
        }
    }

    private final class ActionMenuPresenterCallback implements MenuPresenter.Callback {
        private boolean mClosingActionMenu;

        @Override
        public boolean onOpenSubMenu(MenuBuilder subMenu) {
            if (mWindowCallback != null) {
                mWindowCallback.onMenuOpened(Window.FEATURE_ACTION_BAR, subMenu);
                return true;
            }
            return false;
        }

        @Override
        public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
            if (mClosingActionMenu) {
                return;
            }

            mClosingActionMenu = true;
            mDecorToolbar.dismissPopupMenus();
            if (mWindowCallback != null) {
                mWindowCallback.onPanelClosed(Window.FEATURE_ACTION_BAR, menu);
            }
            mClosingActionMenu = false;
        }
    }

    private final class MenuBuilderCallback implements MenuBuilder.Callback {

        @Override
        public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item) {
            return false;
        }

        @Override
        public void onMenuModeChange(MenuBuilder menu) {
            if (mWindowCallback != null) {
                if (mDecorToolbar.isOverflowMenuShowing()) {
                    mWindowCallback.onPanelClosed(Window.FEATURE_ACTION_BAR, menu);
                } else if (mWindowCallback.onPreparePanel(Window.FEATURE_OPTIONS_PANEL,
                        null, menu)) {
                    mWindowCallback.onMenuOpened(Window.FEATURE_ACTION_BAR, menu);
                }
            }
        }
    }
}