File: ui_features.h

package info (click to toggle)
chromium 139.0.7258.127-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 6,122,068 kB
  • sloc: cpp: 35,100,771; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (439 lines) | stat: -rw-r--r-- 16,110 bytes parent folder | download | duplicates (3)
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
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// This file defines the browser-specific base::FeatureList features that are
// limited to top chrome UI.

#ifndef CHROME_BROWSER_UI_UI_FEATURES_H_
#define CHROME_BROWSER_UI_UI_FEATURES_H_

#include "base/feature_list.h"
#include "base/metrics/field_trial_params.h"
#include "build/branding_buildflags.h"
#include "build/build_config.h"
#include "chrome/common/buildflags.h"
#include "extensions/buildflags/buildflags.h"

namespace features {

// All features in alphabetical order. The features should be documented
// alongside the definition of their values in the .cc file.

// TODO(crbug.com/40598679): Remove this when the tab dragging
// interactive_ui_tests pass on Wayland.
BASE_DECLARE_FEATURE(kAllowWindowDragUsingSystemDragDrop);

BASE_DECLARE_FEATURE(kAllowEyeDropperWGCScreenCapture);

BASE_DECLARE_FEATURE(kCloseOmniboxPopupOnInactiveAreaClick);

#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_LINUX)
BASE_DECLARE_FEATURE(kFewerUpdateConfirmations);
#endif

#if BUILDFLAG(ENABLE_EXTENSIONS)

// Controls how extensions show up in the main menu. When enabled, if the
// current profile has no extensions, instead of a full extensions submenu, only
// the "Discover Chrome Extensions" item will be present.
BASE_DECLARE_FEATURE(kExtensionsCollapseMainMenu);

#endif  // BUILDFLAG(ENABLE_EXTENSIONS)

#if BUILDFLAG(IS_WIN)
BASE_DECLARE_FEATURE(kOfferPinToTaskbarWhenSettingToDefault);
BASE_DECLARE_FEATURE(kOfferPinToTaskbarInFirstRunExperience);
BASE_DECLARE_FEATURE(kOfferPinToTaskbarInfoBar);
#endif

#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC)
BASE_DECLARE_FEATURE(kPdfInfoBar);
enum class PdfInfoBarTrigger { kPdfLoad = 0, kStartup = 1 };
inline constexpr base::FeatureParam<PdfInfoBarTrigger>::Option
    kPdfInfoBarTriggerOptions[] = {{PdfInfoBarTrigger::kPdfLoad, "pdf-load"},
                                   {PdfInfoBarTrigger::kStartup, "startup"}};

inline constexpr base::FeatureParam<PdfInfoBarTrigger> kPdfInfoBarTrigger(
    &kPdfInfoBar,
    "trigger",
    PdfInfoBarTrigger::kPdfLoad,
    &kPdfInfoBarTriggerOptions);
#endif  // BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC)

BASE_DECLARE_FEATURE(kPreloadTopChromeWebUI);
// This enum entry values must be in sync with
// WebUIContentsPreloadManager::PreloadMode.
enum class PreloadTopChromeWebUIMode {
  kPreloadOnWarmup = 0,
  kPreloadOnMakeContents = 1
};

inline constexpr char kPreloadTopChromeWebUIModeName[] = "preload-mode";

inline constexpr char kPreloadTopChromeWebUIModePreloadOnWarmupName[] =
    "preload-on-warmup";

inline constexpr char kPreloadTopChromeWebUIModePreloadOnMakeContentsName[] =
    "preload-on-make-contents";

inline constexpr base::FeatureParam<PreloadTopChromeWebUIMode>::Option
    kPreloadTopChromeWebUIModeOptions[] = {
        {PreloadTopChromeWebUIMode::kPreloadOnWarmup,
         kPreloadTopChromeWebUIModePreloadOnWarmupName},
        {PreloadTopChromeWebUIMode::kPreloadOnMakeContents,
         kPreloadTopChromeWebUIModePreloadOnMakeContentsName}};

inline constexpr base::FeatureParam<PreloadTopChromeWebUIMode>
    kPreloadTopChromeWebUIMode(
        &kPreloadTopChromeWebUI,
        kPreloadTopChromeWebUIModeName,
        PreloadTopChromeWebUIMode::kPreloadOnWarmup,
        &kPreloadTopChromeWebUIModeOptions);

// If smart preload is enabled, the preload WebUI is determined by historical
// engagement scores and whether a WebUI is currently being shown.
// If disabled, always preload Tab Search.
inline constexpr char kPreloadTopChromeWebUISmartPreloadName[] =
    "smart-preload";

inline constexpr base::FeatureParam<bool> kPreloadTopChromeWebUISmartPreload(
    &kPreloadTopChromeWebUI,
    kPreloadTopChromeWebUISmartPreloadName,
    true);

// If delay preload is enabled, the preloading is delayed until the first
// non empty paint of an observed web contents.
//
// In case of browser startup, the observed web contents is the active web
// contents of the last created browser.
//
// In case of Request() is called, the requested web contents is observed.
//
// In case of web contents destroy, the preloading simply waits for a fixed
// amount of time.
inline constexpr char kPreloadTopChromeWebUIDelayPreloadName[] =
    "delay-preload";

inline constexpr base::FeatureParam<bool> kPreloadTopChromeWebUIDelayPreload(
    &kPreloadTopChromeWebUI,
    kPreloadTopChromeWebUIDelayPreloadName,
    true);

// An list of exclude origins for WebUIs that don't participate in preloading.
// The list is a string of format "<origin>,<origin2>,...,<origin-n>", where
// each <origin> is a WebUI origin, e.g. "chrome://tab-search.top-chrome". This
// is used for emergency preloading shutoff for problematic WebUIs.
inline constexpr char kPreloadTopChromeWebUIExcludeOriginsName[] =
    "exclude-origins";

inline constexpr base::FeatureParam<std::string>
    kPreloadTopChromeWebUIExcludeOrigins(
        &kPreloadTopChromeWebUI,
        kPreloadTopChromeWebUIExcludeOriginsName,
        "");

BASE_DECLARE_FEATURE(kPreloadTopChromeWebUILessNavigations);

#if !BUILDFLAG(IS_ANDROID)
BASE_DECLARE_FEATURE(kPressAndHoldEscToExitBrowserFullscreen);
#endif

BASE_DECLARE_FEATURE(kScrimForBrowserWindowModal);

BASE_DECLARE_FEATURE(KScrimForTabModal);

BASE_DECLARE_FEATURE(kSideBySide);

BASE_DECLARE_FEATURE_PARAM(base::TimeDelta, kSideBySideShowDropTargetDelay);

BASE_DECLARE_FEATURE_PARAM(int, kSideBySideDropTargetInnerPadding);

enum class MiniToolbarActiveConfiguration {
  // Hides the toolbar in the active view.
  Hide,
  // Shows only the menu button in the active view.
  ShowMenuOnly,
  // Shows favicon, domain, alerts and menu button in the active view.
  ShowAll
};

BASE_DECLARE_FEATURE_PARAM(MiniToolbarActiveConfiguration,
                           kSideBySideMiniToolbarActiveConfiguration);

BASE_DECLARE_FEATURE(kSideBySideLinkMenuNewBadge);

bool IsNtpFooterEnabledWithoutSideBySide();

BASE_DECLARE_FEATURE(kTabDuplicateMetrics);

BASE_DECLARE_FEATURE(kTabScrollingButtonPosition);

inline constexpr char kTabScrollingButtonPositionParameterName[] =
    "buttonPosition";

BASE_DECLARE_FEATURE(kSidePanelResizing);
BASE_DECLARE_FEATURE(kSidePanelSearchCompanion);

BASE_DECLARE_FEATURE(kTabGroupsCollapseFreezing);

BASE_DECLARE_FEATURE(kTabHoverCardImages);

// These parameters control how long the hover card system waits before
// requesting a preview image from a tab where no preview image is available.
// Values are in ms.
inline constexpr char kTabHoverCardImagesNotReadyDelayParameterName[] =
    "page_not_ready_delay";

inline constexpr char kTabHoverCardImagesLoadingDelayParameterName[] =
    "page_loading_delay";

inline constexpr char kTabHoverCardImagesLoadedDelayParameterName[] =
    "page_loaded_delay";

// Determines how long to wait during a hover card slide transition before a
// placeholder image is displayed via crossfade.
// -1: disable crossfade entirely
//  0: show placeholder immediately
//  1: show placeholder when the card lands on the new tab
//  between 0 and 1: show at a percentage of transition
//
// Note: crossfade is automatically disabled if animations are disabled at the
// OS level (e.g. for accessibility).
inline constexpr char kTabHoverCardImagesCrossfadePreviewAtParameterName[] =
    "crossfade_preview_at";

// Adds an amount of time (in ms) to the show delay when tabs are max width -
// typically when there are less than 5 or 6 tabs in a browser window.
inline constexpr char kTabHoverCardAdditionalMaxWidthDelay[] =
    "additional_max_width_delay";

BASE_DECLARE_FEATURE(kTabOrganization);
bool IsTabOrganization();

BASE_DECLARE_FEATURE(kTabstripDeclutter);
bool IsTabstripDeclutterEnabled();

BASE_DECLARE_FEATURE(kTabstripDedupe);
bool IsTabstripDedupeEnabled();

BASE_DECLARE_FEATURE(kTabOrganizationAppMenuItem);

BASE_DECLARE_FEATURE(kTabOrganizationModelStrategy);

BASE_DECLARE_FEATURE(kTabOrganizationEnableNudgeForEnterprise);

BASE_DECLARE_FEATURE(kTabOrganizationUserInstruction);

// Duration of inactivity after which a tab is considered stale for declutter.
inline constexpr base::FeatureParam<base::TimeDelta>
    kTabstripDeclutterStaleThresholdDuration(&kTabstripDeclutter,
                                             "stale_threshold_duration",
                                             base::Days(7));

// Interval between a recomputation of stale tabs for declutter.
inline constexpr base::FeatureParam<base::TimeDelta>
    kTabstripDeclutterTimerInterval(&kTabstripDeclutter,
                                    "declutter_timer_interval",
                                    base::Minutes(10));

// Default interval after showing a nudge to prevent another nudge from being
// shown for declutter.
inline constexpr base::FeatureParam<base::TimeDelta>
    kTabstripDeclutterNudgeTimerInterval(&kTabstripDeclutter,
                                         "nudge_timer_interval",
                                         base::Minutes(6 * 60));

// The target (and minimum) interval between proactive nudge triggers. Measured
// against a clock that only runs while Chrome is in the foreground.
inline constexpr base::FeatureParam<base::TimeDelta>
    kTabOrganizationTriggerPeriod(&kTabOrganization,
                                  "trigger_period",
                                  base::Hours(6));

// The base to use for the trigger logic's exponential backoff.
inline constexpr base::FeatureParam<double>
    kTabOrganizationTriggerBackoffBase(&kTabOrganization, "backoff_base", 2.0);

// The minimum score threshold for proactive nudge triggering to occur.
inline constexpr base::FeatureParam<double> kTabOrganizationTriggerThreshold(
    &kTabOrganization,
    "trigger_threshold",
    7.0);

// The maximum sensitivity score for a tab to contribute to trigger scoring.
inline constexpr base::FeatureParam<double>
    kTabOrganizationTriggerSensitivityThreshold(&kTabOrganization,
                                                "trigger_sensitivity_threshold",
                                                0.5);

// Enable 'demo mode' for Tab Organization triggering, which triggers much more
// predictably and frequently.
inline constexpr base::FeatureParam<bool> KTabOrganizationTriggerDemoMode(
    &kTabOrganization,
    "trigger_demo_mode",
    false);

BASE_DECLARE_FEATURE(kTearOffWebAppTabOpensWebAppWindow);

#if !BUILDFLAG(IS_ANDROID)
// Enables a three-button password save dialog variant (essentially adding a
// "not now" button alongside "never").
BASE_DECLARE_FEATURE(kThreeButtonPasswordSaveDialog);
#endif

bool IsToolbarPinningEnabled();

BASE_DECLARE_FEATURE(kPinnedCastButton);

BASE_DECLARE_FEATURE(kEnterpriseProfileBadgingForAvatar);
BASE_DECLARE_FEATURE(kEnterpriseProfileBadgingForMenu);
BASE_DECLARE_FEATURE(kEnterpriseBadgingForNtpFooter);
BASE_DECLARE_FEATURE(kNTPFooterBadgingPolicies);
BASE_DECLARE_FEATURE(kEnterpriseProfileBadgingPolicies);
BASE_DECLARE_FEATURE(kEnterpriseManagementDisclaimerUsesCustomLabel);
BASE_DECLARE_FEATURE(kEnterpriseUpdatedProfileCreationScreen);
BASE_DECLARE_FEATURE(kManagedProfileRequiredInterstitial);

// Enables using the same colors used for the default app menu button for the
// avatar button states using default colors.
BASE_DECLARE_FEATURE(kEnableAppMenuButtonColorsForDefaultAvatarButtonStates);

BASE_DECLARE_FEATURE(kWebUITabStrip);

// Controls whether the context menu is shown on a touch press or a touch
// tap gesture on the WebUI Tab Strip.
BASE_DECLARE_FEATURE(kWebUITabStripContextMenuAfterTap);

// Cocoa to views migration.
#if BUILDFLAG(IS_MAC)
BASE_DECLARE_FEATURE(kViewsFirstRunDialog);
BASE_DECLARE_FEATURE(kViewsJSAppModalDialog);
#endif

#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
BASE_DECLARE_FEATURE(kUsePortalAccentColor);
#endif

// Controls whether the site-specific data dialog shows a related installed
// applications section.
BASE_DECLARE_FEATURE(kPageSpecificDataDialogRelatedInstalledAppsSection);

// Feature for the promotion banner on the top of chrome://management page
BASE_DECLARE_FEATURE(kEnableManagementPromotionBanner);

// Enable display for the Chrome Enterprise Core promotion banner on
// the chrome://policy page.
BASE_DECLARE_FEATURE(kEnablePolicyPromotionBanner);

// Controls whether a performance improvement in browser feature support
// checking is enabled.
BASE_DECLARE_FEATURE(kInlineFullscreenPerfExperiment);

// Controls whether the new page actions framework should be displaying page
// actions.
BASE_DECLARE_FEATURE(kPageActionsMigration);

// For development only, set this to enable all page actions.
inline constexpr base::FeatureParam<bool>
    kPageActionsMigrationEnableAll(&kPageActionsMigration, "enable_all", false);

// The following feature params indicate whether individual features should
// have their page actions controlled using the new framework.
inline constexpr base::FeatureParam<bool> kPageActionsMigrationLensOverlay(
    &kPageActionsMigration,
    "lens_overlay",
    false);

inline constexpr base::FeatureParam<bool> kPageActionsMigrationMemorySaver(
    &kPageActionsMigration,
    "memory_saver",
    false);

inline constexpr base::FeatureParam<bool>
    kPageActionsMigrationTranslate(&kPageActionsMigration, "translate", false);

inline constexpr base::FeatureParam<bool> kPageActionsMigrationIntentPicker(
    &kPageActionsMigration,
    "intent_picker",
    false);

inline constexpr base::FeatureParam<bool>
    kPageActionsMigrationZoom(&kPageActionsMigration, "zoom", false);

inline constexpr base::FeatureParam<bool>
    kPageActionsMigrationOfferNotification(&kPageActionsMigration,
                                           "offer_notification",
                                           false);

inline constexpr base::FeatureParam<bool> kPageActionsMigrationFileSystemAccess(
    &kPageActionsMigration,
    "file_system_access",
    false);

inline constexpr base::FeatureParam<bool> kPageActionsMigrationPwaInstall(
    &kPageActionsMigration,
    "pwa_install",
    false);

inline constexpr base::FeatureParam<bool> kPageActionsMigrationPriceInsights(
    &kPageActionsMigration,
    "price_insights",
    false);

inline constexpr base::FeatureParam<bool> kPageActionsMigrationManagePasswords(
    &kPageActionsMigration,
    "manage_passwords",
    false);

inline constexpr base::FeatureParam<bool> kPageActionsMigrationCookieControls(
    &kPageActionsMigration,
    "cookie_controls",
    false);

inline constexpr base::FeatureParam<bool> kPageActionsMigrationAutofillAddress(
    &kPageActionsMigration,
    "autofill_address",
    false);

// Determines whether the "save password" page action displays different UI if
// the user has said to never save passwords for that site.
BASE_DECLARE_FEATURE(kSavePasswordsContextualUi);

// Controls whether browser tab loading animations are driven by the compositor
// vs. a repeating timer.
BASE_DECLARE_FEATURE(kCompositorLoadingAnimations);

// If enabled, the by date history will show in the side panel.
BASE_DECLARE_FEATURE(kByDateHistoryInSidePanel);

// Controls whether to use the TabStrip browser api's controller.
BASE_DECLARE_FEATURE(kTabStripBrowserApi);

// Controls where tab search lives in the browser.
BASE_DECLARE_FEATURE(kTabstripComboButton);
BASE_DECLARE_FEATURE(kLaunchedTabSearchToolbarButton);

inline constexpr base::FeatureParam<bool> kTabstripComboButtonHasBackground(
    &kTabstripComboButton,
    "has_background",
    false);

inline constexpr base::FeatureParam<bool>
    kTabstripComboButtonHasReverseButtonOrder(&kTabstripComboButton,
                                              "reverse_button_order",
                                              false);

inline constexpr base::FeatureParam<bool> kTabSearchToolbarButton(
    &kTabstripComboButton,
    "tab_search_toolbar_button",
    false);

bool IsTabSearchMoving();
bool HasTabstripComboButtonWithBackground();
bool HasTabstripComboButtonWithReverseButtonOrder();
bool HasTabSearchToolbarButton();

}  // namespace features

#endif  // CHROME_BROWSER_UI_UI_FEATURES_H_