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Side by Side Diff: ui/views/focus/focus_manager.cc

Issue 11150035: Remove obsolete code that handles menu key release for chromeos (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: cleanup Created 8 years, 2 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "ui/views/focus/focus_manager.h" 5 #include "ui/views/focus/focus_manager.h"
6 6
7 #include <algorithm> 7 #include <algorithm>
8 8
9 #include "base/auto_reset.h" 9 #include "base/auto_reset.h"
10 #include "base/logging.h" 10 #include "base/logging.h"
(...skipping 12 matching lines...) Expand all
23 namespace views { 23 namespace views {
24 24
25 bool FocusManager::shortcut_handling_suspended_ = false; 25 bool FocusManager::shortcut_handling_suspended_ = false;
26 26
27 FocusManager::FocusManager(Widget* widget, FocusManagerDelegate* delegate) 27 FocusManager::FocusManager(Widget* widget, FocusManagerDelegate* delegate)
28 : widget_(widget), 28 : widget_(widget),
29 delegate_(delegate), 29 delegate_(delegate),
30 focused_view_(NULL), 30 focused_view_(NULL),
31 accelerator_manager_(new ui::AcceleratorManager), 31 accelerator_manager_(new ui::AcceleratorManager),
32 focus_change_reason_(kReasonDirectFocusChange), 32 focus_change_reason_(kReasonDirectFocusChange),
33 #if defined(USE_X11)
34 should_handle_menu_key_release_(false),
35 #endif
36 is_changing_focus_(false) { 33 is_changing_focus_(false) {
37 DCHECK(widget_); 34 DCHECK(widget_);
38 stored_focused_view_storage_id_ = 35 stored_focused_view_storage_id_ =
39 ViewStorage::GetInstance()->CreateStorageID(); 36 ViewStorage::GetInstance()->CreateStorageID();
40 } 37 }
41 38
42 FocusManager::~FocusManager() { 39 FocusManager::~FocusManager() {
43 } 40 }
44 41
45 bool FocusManager::OnKeyEvent(const ui::KeyEvent& event) { 42 bool FocusManager::OnKeyEvent(const ui::KeyEvent& event) {
46 const int key_code = event.key_code(); 43 const int key_code = event.key_code();
47 44
48 #if defined(USE_X11)
49 // TODO(ben): beng believes that this should be done in
50 // RootWindowHosLinux for aura/linux.
51
52 // Always reset |should_handle_menu_key_release_| unless we are handling a
53 // VKEY_MENU key release event. It ensures that VKEY_MENU accelerator can only
54 // be activated when handling a VKEY_MENU key release event which is preceded
55 // by an un-handled VKEY_MENU key press event.
56 if (key_code != ui::VKEY_MENU || event.type() != ui::ET_KEY_RELEASED)
57 should_handle_menu_key_release_ = false;
58
59 if (event.type() == ui::ET_KEY_PRESSED) {
60 // VKEY_MENU is triggered by key release event.
61 // FocusManager::OnKeyEvent() returns false when the key has been consumed.
62 if ((key_code == ui::VKEY_MENU) &&
63 (event.flags() & ~ui::EF_ALT_DOWN) == 0) {
64 should_handle_menu_key_release_ = true;
65 return false;
66 }
67 // Pass through to the rest of OnKeyEvent.
68 } else if (key_code == ui::VKEY_MENU && should_handle_menu_key_release_ &&
69 (event.flags() & ~ui::EF_ALT_DOWN) == 0) {
70 // Trigger VKEY_MENU when only this key is pressed and released, and both
71 // press and release events are not handled by others.
72 ui::Accelerator accelerator(ui::VKEY_MENU, ui::EF_NONE);
73 return ProcessAccelerator(accelerator);
74 } else if (event.type() != ui::ET_KEY_RELEASED) {
75 return false;
76 }
77 #else
78 if (event.type() != ui::ET_KEY_PRESSED && event.type() != ui::ET_KEY_RELEASED) 45 if (event.type() != ui::ET_KEY_PRESSED && event.type() != ui::ET_KEY_RELEASED)
79 return false; 46 return false;
80 #endif
81 47
82 if (shortcut_handling_suspended()) 48 if (shortcut_handling_suspended())
83 return true; 49 return true;
84 50
85 int modifiers = ui::EF_NONE; 51 int modifiers = ui::EF_NONE;
86 if (event.IsShiftDown()) 52 if (event.IsShiftDown())
87 modifiers |= ui::EF_SHIFT_DOWN; 53 modifiers |= ui::EF_SHIFT_DOWN;
88 if (event.IsControlDown()) 54 if (event.IsControlDown())
89 modifiers |= ui::EF_CONTROL_DOWN; 55 modifiers |= ui::EF_CONTROL_DOWN;
90 if (event.IsAltDown()) 56 if (event.IsAltDown())
(...skipping 210 matching lines...) Expand 10 before | Expand all | Expand 10 after
301 FOR_EACH_OBSERVER(FocusChangeListener, focus_change_listeners_, 267 FOR_EACH_OBSERVER(FocusChangeListener, focus_change_listeners_,
302 OnDidChangeFocus(old_focused_view, focused_view_)); 268 OnDidChangeFocus(old_focused_view, focused_view_));
303 } 269 }
304 270
305 void FocusManager::ClearFocus() { 271 void FocusManager::ClearFocus() {
306 SetFocusedView(NULL); 272 SetFocusedView(NULL);
307 ClearNativeFocus(); 273 ClearNativeFocus();
308 } 274 }
309 275
310 void FocusManager::StoreFocusedView() { 276 void FocusManager::StoreFocusedView() {
311 #if defined(USE_X11)
312 // Forget menu key state when the window lost focus.
313 should_handle_menu_key_release_ = false;
314 #endif
315 ViewStorage* view_storage = ViewStorage::GetInstance(); 277 ViewStorage* view_storage = ViewStorage::GetInstance();
316 if (!view_storage) { 278 if (!view_storage) {
317 // This should never happen but bug 981648 seems to indicate it could. 279 // This should never happen but bug 981648 seems to indicate it could.
318 NOTREACHED(); 280 NOTREACHED();
319 return; 281 return;
320 } 282 }
321 283
322 // TODO(jcivelli): when a TabContents containing a popup is closed, the focus 284 // TODO(jcivelli): when a TabContents containing a popup is closed, the focus
323 // is stored twice causing an assert. We should find a better alternative than 285 // is stored twice causing an assert. We should find a better alternative than
324 // removing the view from the storage explicitly. 286 // removing the view from the storage explicitly.
(...skipping 13 matching lines...) Expand all
338 // is not changing due to a user-initiated event. 300 // is not changing due to a user-initiated event.
339 AutoNativeNotificationDisabler local_notification_disabler; 301 AutoNativeNotificationDisabler local_notification_disabler;
340 ClearFocus(); 302 ClearFocus();
341 } 303 }
342 304
343 if (v) 305 if (v)
344 v->SchedulePaint(); // Remove focus border. 306 v->SchedulePaint(); // Remove focus border.
345 } 307 }
346 308
347 void FocusManager::RestoreFocusedView() { 309 void FocusManager::RestoreFocusedView() {
348 #if defined(USE_X11)
349 DCHECK(!should_handle_menu_key_release_);
350 #endif
351 ViewStorage* view_storage = ViewStorage::GetInstance(); 310 ViewStorage* view_storage = ViewStorage::GetInstance();
352 if (!view_storage) { 311 if (!view_storage) {
353 // This should never happen but bug 981648 seems to indicate it could. 312 // This should never happen but bug 981648 seems to indicate it could.
354 NOTREACHED(); 313 NOTREACHED();
355 return; 314 return;
356 } 315 }
357 316
358 View* view = view_storage->RetrieveView(stored_focused_view_storage_id_); 317 View* view = view_storage->RetrieveView(stored_focused_view_storage_id_);
359 if (view) { 318 if (view) {
360 if (ContainsView(view)) { 319 if (ContainsView(view)) {
(...skipping 76 matching lines...) Expand 10 before | Expand all | Expand 10 after
437 } 396 }
438 397
439 bool FocusManager::ProcessAccelerator(const ui::Accelerator& accelerator) { 398 bool FocusManager::ProcessAccelerator(const ui::Accelerator& accelerator) {
440 if (accelerator_manager_->Process(accelerator)) 399 if (accelerator_manager_->Process(accelerator))
441 return true; 400 return true;
442 if (delegate_.get()) 401 if (delegate_.get())
443 return delegate_->ProcessAccelerator(accelerator); 402 return delegate_->ProcessAccelerator(accelerator);
444 return false; 403 return false;
445 } 404 }
446 405
447 void FocusManager::MaybeResetMenuKeyState(const ui::KeyEvent& key) {
448 #if defined(USE_X11)
449 // Always reset |should_handle_menu_key_release_| unless we are handling a
450 // VKEY_MENU key release event. It ensures that VKEY_MENU accelerator can only
451 // be activated when handling a VKEY_MENU key release event which is preceded
452 // by an unhandled VKEY_MENU key press event. See also HandleKeyboardEvent().
453 if (key.key_code() != ui::VKEY_MENU || key.type() != ui::ET_KEY_RELEASED)
454 should_handle_menu_key_release_ = false;
455 #endif
456 }
457
458 ui::AcceleratorTarget* FocusManager::GetCurrentTargetForAccelerator( 406 ui::AcceleratorTarget* FocusManager::GetCurrentTargetForAccelerator(
459 const ui::Accelerator& accelerator) const { 407 const ui::Accelerator& accelerator) const {
460 ui::AcceleratorTarget* target = 408 ui::AcceleratorTarget* target =
461 accelerator_manager_->GetCurrentTarget(accelerator); 409 accelerator_manager_->GetCurrentTarget(accelerator);
462 if (!target && delegate_.get()) 410 if (!target && delegate_.get())
463 target = delegate_->GetCurrentTargetForAccelerator(accelerator); 411 target = delegate_->GetCurrentTargetForAccelerator(accelerator);
464 return target; 412 return target;
465 } 413 }
466 414
467 bool FocusManager::HasPriorityHandler( 415 bool FocusManager::HasPriorityHandler(
(...skipping 17 matching lines...) Expand all
485 433
486 void FocusManager::AddFocusChangeListener(FocusChangeListener* listener) { 434 void FocusManager::AddFocusChangeListener(FocusChangeListener* listener) {
487 focus_change_listeners_.AddObserver(listener); 435 focus_change_listeners_.AddObserver(listener);
488 } 436 }
489 437
490 void FocusManager::RemoveFocusChangeListener(FocusChangeListener* listener) { 438 void FocusManager::RemoveFocusChangeListener(FocusChangeListener* listener) {
491 focus_change_listeners_.RemoveObserver(listener); 439 focus_change_listeners_.RemoveObserver(listener);
492 } 440 }
493 441
494 } // namespace views 442 } // namespace views
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