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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_BASE_H_ | 5 #ifndef EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_BASE_H_ |
6 #define EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_BASE_H_ | 6 #define EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_BASE_H_ |
7 | 7 |
8 #include <queue> | 8 #include <queue> |
9 | 9 |
10 #include "base/memory/weak_ptr.h" | 10 #include "base/memory/weak_ptr.h" |
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286 void DispatchEventToGuestProxy(Event* event); | 286 void DispatchEventToGuestProxy(Event* event); |
287 | 287 |
288 // Dispatches an event to the view. | 288 // Dispatches an event to the view. |
289 void DispatchEventToView(Event* event); | 289 void DispatchEventToView(Event* event); |
290 | 290 |
291 protected: | 291 protected: |
292 explicit GuestViewBase(content::WebContents* owner_web_contents); | 292 explicit GuestViewBase(content::WebContents* owner_web_contents); |
293 | 293 |
294 ~GuestViewBase() override; | 294 ~GuestViewBase() override; |
295 | 295 |
| 296 // Convert sizes in pixels from logical to physical numbers of pixels. |
| 297 // Note that a size can consist of a fractional number of logical pixels |
| 298 // (hence |logical_pixels| is represented as a double), but will always |
| 299 // consist of an integral number of physical pixels (hence the return value |
| 300 // is represented as an int). |
| 301 int LogicalPixelsToPhysicalPixels(double logical_pixels); |
| 302 |
| 303 // Convert sizes in pixels from physical to logical numbers of pixels. |
| 304 // Note that a size can consist of a fractional number of logical pixels |
| 305 // (hence the return value is represented as a double), but will always |
| 306 // consist of an integral number of physical pixels (hence |physical_pixels| |
| 307 // is represented as an int). |
| 308 double PhysicalPixelsToLogicalPixels(int physical_pixels); |
| 309 |
296 // WebContentsObserver implementation. | 310 // WebContentsObserver implementation. |
297 void DidStopLoading(content::RenderViewHost* render_view_host) final; | 311 void DidStopLoading(content::RenderViewHost* render_view_host) final; |
298 void RenderViewReady() final; | 312 void RenderViewReady() final; |
299 void WebContentsDestroyed() final; | 313 void WebContentsDestroyed() final; |
300 | 314 |
301 // WebContentsDelegate implementation. | 315 // WebContentsDelegate implementation. |
302 void ActivateContents(content::WebContents* contents) final; | 316 void ActivateContents(content::WebContents* contents) final; |
303 void DeactivateContents(content::WebContents* contents) final; | 317 void DeactivateContents(content::WebContents* contents) final; |
304 void ContentsMouseEvent(content::WebContents* source, | 318 void ContentsMouseEvent(content::WebContents* source, |
305 const gfx::Point& location, | 319 const gfx::Point& location, |
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336 const WebContentsCreatedCallback& callback, | 350 const WebContentsCreatedCallback& callback, |
337 content::WebContents* guest_web_contents); | 351 content::WebContents* guest_web_contents); |
338 | 352 |
339 // Dispatches the onResize event to the embedder. | 353 // Dispatches the onResize event to the embedder. |
340 void DispatchOnResizeEvent(const gfx::Size& old_size, | 354 void DispatchOnResizeEvent(const gfx::Size& old_size, |
341 const gfx::Size& new_size); | 355 const gfx::Size& new_size); |
342 | 356 |
343 // Get the zoom factor for the embedder's web contents. | 357 // Get the zoom factor for the embedder's web contents. |
344 double GetEmbedderZoomFactor(); | 358 double GetEmbedderZoomFactor(); |
345 | 359 |
346 // Convert sizes in pixels from logical to physical numbers of pixels. | |
347 // Note that a size can consist of a fractional number of logical pixels | |
348 // (hence |logical_pixels| is represented as a double), but will always | |
349 // consist of an integral number of physical pixels (hence the return value | |
350 // is represented as an int). | |
351 int LogicalPixelsToPhysicalPixels(double logical_pixels); | |
352 | |
353 // Convert sizes in pixels from physical to logical numbers of pixels. | |
354 // Note that a size can consist of a fractional number of logical pixels | |
355 // (hence the return value is represented as a double), but will always | |
356 // consist of an integral number of physical pixels (hence |physical_pixels| | |
357 // is represented as an int). | |
358 double PhysicalPixelsToLogicalPixels(int physical_pixels); | |
359 | |
360 void SetUpSizing(const base::DictionaryValue& params); | 360 void SetUpSizing(const base::DictionaryValue& params); |
361 | 361 |
362 void StartTrackingEmbedderZoomLevel(); | 362 void StartTrackingEmbedderZoomLevel(); |
363 void StopTrackingEmbedderZoomLevel(); | 363 void StopTrackingEmbedderZoomLevel(); |
364 | 364 |
365 static void RegisterGuestViewTypes(); | 365 static void RegisterGuestViewTypes(); |
366 | 366 |
367 // This guest tracks the lifetime of the WebContents specified by | 367 // This guest tracks the lifetime of the WebContents specified by |
368 // |owner_web_contents_|. If |owner_web_contents_| is destroyed then this | 368 // |owner_web_contents_|. If |owner_web_contents_| is destroyed then this |
369 // guest will also self-destruct. | 369 // guest will also self-destruct. |
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438 // This is used to ensure pending tasks will not fire after this object is | 438 // This is used to ensure pending tasks will not fire after this object is |
439 // destroyed. | 439 // destroyed. |
440 base::WeakPtrFactory<GuestViewBase> weak_ptr_factory_; | 440 base::WeakPtrFactory<GuestViewBase> weak_ptr_factory_; |
441 | 441 |
442 DISALLOW_COPY_AND_ASSIGN(GuestViewBase); | 442 DISALLOW_COPY_AND_ASSIGN(GuestViewBase); |
443 }; | 443 }; |
444 | 444 |
445 } // namespace extensions | 445 } // namespace extensions |
446 | 446 |
447 #endif // EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_BASE_H_ | 447 #endif // EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_BASE_H_ |
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