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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 CONTENT_PUBLIC_BROWSER_RENDER_WIDGET_HOST_H_ | 5 #ifndef CONTENT_PUBLIC_BROWSER_RENDER_WIDGET_HOST_H_ |
6 #define CONTENT_PUBLIC_BROWSER_RENDER_WIDGET_HOST_H_ | 6 #define CONTENT_PUBLIC_BROWSER_RENDER_WIDGET_HOST_H_ |
7 | 7 |
8 #include "base/callback.h" | 8 #include "base/callback.h" |
9 #include "content/common/content_export.h" | 9 #include "content/common/content_export.h" |
10 #include "content/public/browser/native_web_keyboard_event.h" | 10 #include "content/public/browser/native_web_keyboard_event.h" |
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182 const gfx::Size& accelerated_dst_size, | 182 const gfx::Size& accelerated_dst_size, |
183 const base::Callback<void(bool, const SkBitmap&)>& callback, | 183 const base::Callback<void(bool, const SkBitmap&)>& callback, |
184 const SkBitmap::Config& bitmap_config) = 0; | 184 const SkBitmap::Config& bitmap_config) = 0; |
185 // Ensures that the view does not drop the backing store even when hidden. | 185 // Ensures that the view does not drop the backing store even when hidden. |
186 virtual bool CanCopyFromBackingStore() = 0; | 186 virtual bool CanCopyFromBackingStore() = 0; |
187 #if defined(OS_ANDROID) | 187 #if defined(OS_ANDROID) |
188 virtual void LockBackingStore() = 0; | 188 virtual void LockBackingStore() = 0; |
189 virtual void UnlockBackingStore() = 0; | 189 virtual void UnlockBackingStore() = 0; |
190 #endif | 190 #endif |
191 | 191 |
192 // Send a command to the renderer to turn on full accessibility. | |
193 virtual void EnableFullAccessibilityMode() = 0; | |
194 | |
195 // Check whether this RenderWidget has full accessibility mode. | |
196 virtual bool IsFullAccessibilityModeForTesting() = 0; | |
197 | |
198 // Send a command to the renderer to turn on tree only accessibility. | |
199 virtual void EnableTreeOnlyAccessibilityMode() = 0; | |
200 | |
201 // Check whether this RenderWidget has tree-only accessibility mode. | |
202 virtual bool IsTreeOnlyAccessibilityModeForTesting() = 0; | |
203 | |
204 // Relay a request from assistive technology to perform the default action | |
205 // on a given node. | |
206 virtual void AccessibilityDoDefaultAction(int object_id) = 0; | |
207 | |
208 // Relay a request from assistive technology to set focus to a given node. | |
209 virtual void AccessibilitySetFocus(int object_id) = 0; | |
210 | |
211 // Relay a request from assistive technology to make a given object | |
212 // visible by scrolling as many scrollable containers as necessary. | |
213 // In addition, if it's not possible to make the entire object visible, | |
214 // scroll so that the |subfocus| rect is visible at least. The subfocus | |
215 // rect is in local coordinates of the object itself. | |
216 virtual void AccessibilityScrollToMakeVisible( | |
217 int acc_obj_id, gfx::Rect subfocus) = 0; | |
218 | |
219 // Relay a request from assistive technology to move a given object | |
220 // to a specific location, in the WebContents area coordinate space, i.e. | |
221 // (0, 0) is the top-left corner of the WebContents. | |
222 virtual void AccessibilityScrollToPoint(int acc_obj_id, gfx::Point point) = 0; | |
223 | |
224 // Relay a request from assistive technology to set text selection. | |
225 virtual void AccessibilitySetTextSelection( | |
226 int acc_obj_id, int start_offset, int end_offset) = 0; | |
227 | |
228 // Forwards the given message to the renderer. These are called by | 192 // Forwards the given message to the renderer. These are called by |
229 // the view when it has received a message. | 193 // the view when it has received a message. |
230 virtual void ForwardMouseEvent( | 194 virtual void ForwardMouseEvent( |
231 const blink::WebMouseEvent& mouse_event) = 0; | 195 const blink::WebMouseEvent& mouse_event) = 0; |
232 virtual void ForwardWheelEvent( | 196 virtual void ForwardWheelEvent( |
233 const blink::WebMouseWheelEvent& wheel_event) = 0; | 197 const blink::WebMouseWheelEvent& wheel_event) = 0; |
234 virtual void ForwardKeyboardEvent( | 198 virtual void ForwardKeyboardEvent( |
235 const NativeWebKeyboardEvent& key_event) = 0; | 199 const NativeWebKeyboardEvent& key_event) = 0; |
236 | 200 |
237 virtual const gfx::Vector2d& GetLastScrollOffset() const = 0; | 201 virtual const gfx::Vector2d& GetLastScrollOffset() const = 0; |
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299 // within content/. This method is necessary because | 263 // within content/. This method is necessary because |
300 // RenderWidgetHost is the root of a diamond inheritance pattern, so | 264 // RenderWidgetHost is the root of a diamond inheritance pattern, so |
301 // subclasses inherit it virtually, which removes our ability to | 265 // subclasses inherit it virtually, which removes our ability to |
302 // static_cast to the subclass. | 266 // static_cast to the subclass. |
303 virtual RenderWidgetHostImpl* AsRenderWidgetHostImpl() = 0; | 267 virtual RenderWidgetHostImpl* AsRenderWidgetHostImpl() = 0; |
304 }; | 268 }; |
305 | 269 |
306 } // namespace content | 270 } // namespace content |
307 | 271 |
308 #endif // CONTENT_PUBLIC_BROWSER_RENDER_WIDGET_HOST_H_ | 272 #endif // CONTENT_PUBLIC_BROWSER_RENDER_WIDGET_HOST_H_ |
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