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Side by Side Diff: chrome/browser/renderer_host/render_widget_host.h

Issue 149620: Use WebWidget from the WebKit API. This change also makes... (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 11 years, 5 months ago
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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 <queue> 8 #include <queue>
9 #include <vector> 9 #include <vector>
10 10
11 #include "base/process.h" 11 #include "base/process.h"
12 #include "base/gfx/native_widget_types.h" 12 #include "base/gfx/native_widget_types.h"
13 #include "base/gfx/size.h" 13 #include "base/gfx/size.h"
14 #include "base/scoped_ptr.h" 14 #include "base/scoped_ptr.h"
15 #include "base/timer.h" 15 #include "base/timer.h"
16 #include "chrome/common/ipc_channel.h" 16 #include "chrome/common/ipc_channel.h"
17 #include "chrome/common/native_web_keyboard_event.h" 17 #include "chrome/common/native_web_keyboard_event.h"
18 #include "chrome/common/property_bag.h" 18 #include "chrome/common/property_bag.h"
19 #include "testing/gtest/include/gtest/gtest_prod.h" 19 #include "testing/gtest/include/gtest/gtest_prod.h"
20 #include "webkit/glue/webtextdirection.h" 20 #include "webkit/api/public/WebTextDirection.h"
21 21
22 namespace gfx { 22 namespace gfx {
23 class Rect; 23 class Rect;
24 } 24 }
25 25
26 namespace WebKit { 26 namespace WebKit {
27 class WebInputEvent; 27 class WebInputEvent;
28 class WebMouseEvent; 28 class WebMouseEvent;
29 class WebMouseWheelEvent; 29 class WebMouseWheelEvent;
30 struct WebScreenInfo; 30 struct WebScreenInfo;
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273 // CancelUpdateTextDirection(); 273 // CancelUpdateTextDirection();
274 // } 274 // }
275 // } else if (key_event.type == WebKeyboardEvent::KEY_UP) { 275 // } else if (key_event.type == WebKeyboardEvent::KEY_UP) {
276 // NotifyTextDirection(); 276 // NotifyTextDirection();
277 // } 277 // }
278 // Once we cancel updating the text direction, we have to ignore all 278 // Once we cancel updating the text direction, we have to ignore all
279 // succeeding UpdateTextDirection() requests until calling 279 // succeeding UpdateTextDirection() requests until calling
280 // NotifyTextDirection(). (We may receive keydown events even after we 280 // NotifyTextDirection(). (We may receive keydown events even after we
281 // canceled updating the text direction because of auto-repeat.) 281 // canceled updating the text direction because of auto-repeat.)
282 // Note: we cannot undo this change for compatibility with Firefox and IE. 282 // Note: we cannot undo this change for compatibility with Firefox and IE.
283 void UpdateTextDirection(WebTextDirection direction); 283 void UpdateTextDirection(WebKit::WebTextDirection direction);
284 void CancelUpdateTextDirection(); 284 void CancelUpdateTextDirection();
285 void NotifyTextDirection(); 285 void NotifyTextDirection();
286 286
287 // Notifies the renderer whether or not the IME attached to this process is 287 // Notifies the renderer whether or not the IME attached to this process is
288 // activated. 288 // activated.
289 // When the IME is activated, a renderer process sends IPC messages to notify 289 // When the IME is activated, a renderer process sends IPC messages to notify
290 // the status of its composition node. (This message is mainly used for 290 // the status of its composition node. (This message is mainly used for
291 // notifying the position of the input cursor so that the browser can 291 // notifying the position of the input cursor so that the browser can
292 // display IME windows under the cursor.) 292 // display IME windows under the cursor.)
293 void ImeSetInputMode(bool activate); 293 void ImeSetInputMode(bool activate);
294 294
295 // Update the composition node of the renderer (or WebKit). 295 // Update the composition node of the renderer (or WebKit).
296 // WebKit has a special node (a composition node) for IMEs to change its text 296 // WebKit has a special node (a composition node) for IMEs to change its text
297 // without affecting any other DOM nodes. When the IME (attached to the 297 // without affecting any other DOM nodes. When the IME (attached to the
298 // browser) updates its text, the browser sends IPC messages to update the 298 // browser) updates its text, the browser sends IPC messages to update the
299 // composition node of the renderer. 299 // composition node of the renderer.
300 // (Read the comments of each function for its detail.) 300 // (Read the comments of each function for its detail.)
301 301
302 // Sets the text of the composition node. 302 // Sets the text of the composition node.
303 // This function can also update the cursor position and mark the specified 303 // This function can also update the cursor position and mark the specified
304 // range in the composition node. 304 // range in the composition node.
305 // A browser should call this function: 305 // A browser should call this function:
306 // * when it receives a WM_IME_COMPOSITION message with a GCS_COMPSTR flag 306 // * when it receives a WM_IME_COMPOSITION message with a GCS_COMPSTR flag
307 // (on Windows); 307 // (on Windows);
308 // * when it receives a "preedit_changed" signal of GtkIMContext (on Linux); 308 // * when it receives a "preedit_changed" signal of GtkIMContext (on Linux);
309 // * when markedText of NSTextInput is called (on Mac). 309 // * when markedText of NSTextInput is called (on Mac).
310 void ImeSetComposition(const std::wstring& ime_string, 310 void ImeSetComposition(const string16& ime_string,
311 int cursor_position, 311 int cursor_position,
312 int target_start, 312 int target_start,
313 int target_end); 313 int target_end);
314 314
315 // Finishes an ongoing composition with the specified text. 315 // Finishes an ongoing composition with the specified text.
316 // A browser should call this function: 316 // A browser should call this function:
317 // * when it receives a WM_IME_COMPOSITION message with a GCS_RESULTSTR flag 317 // * when it receives a WM_IME_COMPOSITION message with a GCS_RESULTSTR flag
318 // (on Windows); 318 // (on Windows);
319 // * when it receives a "commit" signal of GtkIMContext (on Linux); 319 // * when it receives a "commit" signal of GtkIMContext (on Linux);
320 // * when insertText of NSTextInput is called (on Mac). 320 // * when insertText of NSTextInput is called (on Mac).
321 void ImeConfirmComposition(const std::wstring& ime_string); 321 void ImeConfirmComposition(const string16& ime_string);
322 322
323 // Cancels an ongoing composition. 323 // Cancels an ongoing composition.
324 void ImeCancelComposition(); 324 void ImeCancelComposition();
325 325
326 // This is for derived classes to give us access to the resizer rect. 326 // This is for derived classes to give us access to the resizer rect.
327 // And to also expose it to the RenderWidgetHostView. 327 // And to also expose it to the RenderWidgetHostView.
328 virtual gfx::Rect GetRootWindowResizerRect() const; 328 virtual gfx::Rect GetRootWindowResizerRect() const;
329 329
330 protected: 330 protected:
331 // Internal implementation of the public Forward*Event() methods. 331 // Internal implementation of the public Forward*Event() methods.
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500 // Queue of keyboard events that we need to track. 500 // Queue of keyboard events that we need to track.
501 typedef std::queue<NativeWebKeyboardEvent> KeyQueue; 501 typedef std::queue<NativeWebKeyboardEvent> KeyQueue;
502 502
503 // A queue of keyboard events. We can't trust data from the renderer so we 503 // A queue of keyboard events. We can't trust data from the renderer so we
504 // stuff key events into a queue and pop them out on ACK, feeding our copy 504 // stuff key events into a queue and pop them out on ACK, feeding our copy
505 // back to whatever unhandled handler instead of the returned version. 505 // back to whatever unhandled handler instead of the returned version.
506 KeyQueue key_queue_; 506 KeyQueue key_queue_;
507 507
508 // Set when we update the text direction of the selected input element. 508 // Set when we update the text direction of the selected input element.
509 bool text_direction_updated_; 509 bool text_direction_updated_;
510 WebTextDirection text_direction_; 510 WebKit::WebTextDirection text_direction_;
511 511
512 // Set when we cancel updating the text direction. 512 // Set when we cancel updating the text direction.
513 // This flag also ignores succeeding update requests until we call 513 // This flag also ignores succeeding update requests until we call
514 // NotifyTextDirection(). 514 // NotifyTextDirection().
515 bool text_direction_canceled_; 515 bool text_direction_canceled_;
516 516
517 DISALLOW_COPY_AND_ASSIGN(RenderWidgetHost); 517 DISALLOW_COPY_AND_ASSIGN(RenderWidgetHost);
518 }; 518 };
519 519
520 #endif // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_ 520 #endif // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_
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