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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 #ifndef UI_VIEWS_FOCUS_FOCUS_MANAGER_H_ | 5 #ifndef UI_VIEWS_FOCUS_FOCUS_MANAGER_H_ |
| 6 #define UI_VIEWS_FOCUS_FOCUS_MANAGER_H_ | 6 #define UI_VIEWS_FOCUS_FOCUS_MANAGER_H_ |
| 7 | 7 |
| 8 #include <list> | 8 #include <list> |
| 9 #include <map> | 9 #include <map> |
| 10 | 10 |
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| 219 // Changes the text input focus to |view->GetTextInputClient()| iff |view| | 219 // Changes the text input focus to |view->GetTextInputClient()| iff |view| |
| 220 // is focused. Views must call this method when their internal | 220 // is focused. Views must call this method when their internal |
| 221 // TextInputClient instance changes. | 221 // TextInputClient instance changes. |
| 222 void OnTextInputClientChanged(View* view); | 222 void OnTextInputClientChanged(View* view); |
| 223 | 223 |
| 224 // Moves the text input focus into/out from |view|. | 224 // Moves the text input focus into/out from |view|. |
| 225 void FocusTextInputClient(View* view); | 225 void FocusTextInputClient(View* view); |
| 226 void BlurTextInputClient(View* view); | 226 void BlurTextInputClient(View* view); |
| 227 | 227 |
| 228 // Disable shortcut handling. | 228 // Disable shortcut handling. |
| 229 static void set_shortcut_handling_suspended(bool suspended) { | 229 void set_shortcut_handling_suspended(bool suspended) { |
| 230 shortcut_handling_suspended_ = suspended; | 230 shortcut_handling_suspended_ = suspended; |
| 231 } | 231 } |
| 232 // Returns whether shortcut handling is currently suspended. | 232 // Returns whether shortcut handling is currently suspended. |
| 233 bool shortcut_handling_suspended() { return shortcut_handling_suspended_; } | 233 bool shortcut_handling_suspended() { return shortcut_handling_suspended_; } |
| 234 | 234 |
| 235 // Register a keyboard accelerator for the specified target. If multiple | 235 // Register a keyboard accelerator for the specified target. If multiple |
| 236 // targets are registered for an accelerator, a target registered later has | 236 // targets are registered for an accelerator, a target registered later has |
| 237 // higher priority. | 237 // higher priority. |
| 238 // |accelerator| is the accelerator to register. | 238 // |accelerator| is the accelerator to register. |
| 239 // |priority| denotes the priority of the handler. | 239 // |priority| denotes the priority of the handler. |
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| 337 // hierarchy. | 337 // hierarchy. |
| 338 // Returns NULL if no focusable view were found. | 338 // Returns NULL if no focusable view were found. |
| 339 View* FindFocusableView(FocusTraversable* focus_traversable, | 339 View* FindFocusableView(FocusTraversable* focus_traversable, |
| 340 View* starting_view, | 340 View* starting_view, |
| 341 bool reverse); | 341 bool reverse); |
| 342 | 342 |
| 343 // Process arrow key traversal. Returns true if the event has been consumed | 343 // Process arrow key traversal. Returns true if the event has been consumed |
| 344 // and should not be processed further. | 344 // and should not be processed further. |
| 345 bool ProcessArrowKeyTraversal(const ui::KeyEvent& event); | 345 bool ProcessArrowKeyTraversal(const ui::KeyEvent& event); |
| 346 | 346 |
| 347 // Keeps track of whether shortcut handling is currently suspended. | |
| 348 static bool shortcut_handling_suspended_; | |
| 349 | |
| 350 // Whether arrow key traversal is enabled. | 347 // Whether arrow key traversal is enabled. |
| 351 static bool arrow_key_traversal_enabled_; | 348 static bool arrow_key_traversal_enabled_; |
| 352 | 349 |
| 353 // The top-level Widget this FocusManager is associated with. | 350 // The top-level Widget this FocusManager is associated with. |
| 354 Widget* widget_; | 351 Widget* widget_; |
| 355 | 352 |
| 356 // The object which handles an accelerator when |accelerator_manager_| doesn't | 353 // The object which handles an accelerator when |accelerator_manager_| doesn't |
| 357 // handle it. | 354 // handle it. |
| 358 scoped_ptr<FocusManagerDelegate> delegate_; | 355 scoped_ptr<FocusManagerDelegate> delegate_; |
| 359 | 356 |
| 360 // The view that currently is focused. | 357 // The view that currently is focused. |
| 361 View* focused_view_; | 358 View* focused_view_; |
| 362 | 359 |
| 363 // The AcceleratorManager this FocusManager is associated with. | 360 // The AcceleratorManager this FocusManager is associated with. |
| 364 scoped_ptr<ui::AcceleratorManager> accelerator_manager_; | 361 scoped_ptr<ui::AcceleratorManager> accelerator_manager_; |
| 365 | 362 |
| 363 // Keeps track of whether shortcut handling is currently suspended. |
| 364 bool shortcut_handling_suspended_; |
| 365 |
| 366 // The storage id used in the ViewStorage to store/restore the view that last | 366 // The storage id used in the ViewStorage to store/restore the view that last |
| 367 // had focus. | 367 // had focus. |
| 368 int stored_focused_view_storage_id_; | 368 int stored_focused_view_storage_id_; |
| 369 | 369 |
| 370 // The reason why the focus most recently changed. | 370 // The reason why the focus most recently changed. |
| 371 FocusChangeReason focus_change_reason_; | 371 FocusChangeReason focus_change_reason_; |
| 372 | 372 |
| 373 // The list of registered FocusChange listeners. | 373 // The list of registered FocusChange listeners. |
| 374 ObserverList<FocusChangeListener, true> focus_change_listeners_; | 374 ObserverList<FocusChangeListener, true> focus_change_listeners_; |
| 375 | 375 |
| 376 // See description above getter. | 376 // See description above getter. |
| 377 bool is_changing_focus_; | 377 bool is_changing_focus_; |
| 378 | 378 |
| 379 DISALLOW_COPY_AND_ASSIGN(FocusManager); | 379 DISALLOW_COPY_AND_ASSIGN(FocusManager); |
| 380 }; | 380 }; |
| 381 | 381 |
| 382 } // namespace views | 382 } // namespace views |
| 383 | 383 |
| 384 #endif // UI_VIEWS_FOCUS_FOCUS_MANAGER_H_ | 384 #endif // UI_VIEWS_FOCUS_FOCUS_MANAGER_H_ |
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