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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 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 CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_ | 5 #ifndef CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_ |
6 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_ | 6 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_ |
7 | 7 |
8 #include <deque> | 8 #include <deque> |
9 | 9 |
10 #include "app/gfx/native_widget_types.h" | 10 #include "app/gfx/native_widget_types.h" |
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504 gfx::Size in_flight_size_; | 504 gfx::Size in_flight_size_; |
505 | 505 |
506 // True if a mouse move event was sent to the render view and we are waiting | 506 // True if a mouse move event was sent to the render view and we are waiting |
507 // for a corresponding ViewHostMsg_HandleInputEvent_ACK message. | 507 // for a corresponding ViewHostMsg_HandleInputEvent_ACK message. |
508 bool mouse_move_pending_; | 508 bool mouse_move_pending_; |
509 | 509 |
510 // The next mouse move event to send (only non-null while mouse_move_pending_ | 510 // The next mouse move event to send (only non-null while mouse_move_pending_ |
511 // is true). | 511 // is true). |
512 scoped_ptr<WebKit::WebMouseEvent> next_mouse_move_; | 512 scoped_ptr<WebKit::WebMouseEvent> next_mouse_move_; |
513 | 513 |
| 514 // (Similar to |mouse_move_pending_|.) True if a mouse wheel event was sent |
| 515 // and we are waiting for a corresponding ack. |
| 516 bool mouse_wheel_pending_; |
| 517 |
| 518 typedef std::deque<WebKit::WebMouseWheelEvent> WheelEventQueue; |
| 519 |
| 520 // (Similar to |next_mouse_move_|.) The next mouse wheel events to send. |
| 521 // Unlike mouse moves, mouse wheel events received while one is pending are |
| 522 // coalesced (by accumulating deltas) if they match the previous event in |
| 523 // modifiers. On the Mac, in particular, mouse wheel events are received at a |
| 524 // high rate; not waiting for the ack results in jankiness, and using the same |
| 525 // mechanism as for mouse moves (just dropping old events when multiple ones |
| 526 // would be queued) results in very slow scrolling. |
| 527 WheelEventQueue coalesced_mouse_wheel_events_; |
| 528 |
514 // The time when an input event was sent to the RenderWidget. | 529 // The time when an input event was sent to the RenderWidget. |
515 base::TimeTicks input_event_start_time_; | 530 base::TimeTicks input_event_start_time_; |
516 | 531 |
517 // If true, then we should repaint when restoring even if we have a | 532 // If true, then we should repaint when restoring even if we have a |
518 // backingstore. This flag is set to true if we receive a paint message | 533 // backingstore. This flag is set to true if we receive a paint message |
519 // while is_hidden_ to true. Even though we tell the render widget to hide | 534 // while is_hidden_ to true. Even though we tell the render widget to hide |
520 // itself, a paint message could already be in flight at that point. | 535 // itself, a paint message could already be in flight at that point. |
521 bool needs_repainting_on_restore_; | 536 bool needs_repainting_on_restore_; |
522 | 537 |
523 // This is true if the renderer is currently unresponsive. | 538 // This is true if the renderer is currently unresponsive. |
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572 // but the Char event generated by alt-2 may also activate a HTML element | 587 // but the Char event generated by alt-2 may also activate a HTML element |
573 // if its accesskey happens to be "2", then the user may get confused when | 588 // if its accesskey happens to be "2", then the user may get confused when |
574 // switching back to the original tab, because the content may already be | 589 // switching back to the original tab, because the content may already be |
575 // changed. | 590 // changed. |
576 bool suppress_next_char_events_; | 591 bool suppress_next_char_events_; |
577 | 592 |
578 DISALLOW_COPY_AND_ASSIGN(RenderWidgetHost); | 593 DISALLOW_COPY_AND_ASSIGN(RenderWidgetHost); |
579 }; | 594 }; |
580 | 595 |
581 #endif // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_ | 596 #endif // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_ |
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