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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" |
11 #include "base/values.h" | 11 #include "base/values.h" |
12 #include "components/ui/zoom/zoom_observer.h" | 12 #include "components/ui/zoom/zoom_observer.h" |
13 #include "content/public/browser/browser_plugin_guest_delegate.h" | 13 #include "content/public/browser/browser_plugin_guest_delegate.h" |
14 #include "content/public/browser/guest_sizer.h" | 14 #include "content/public/browser/guest_sizer.h" |
15 #include "content/public/browser/render_process_host_observer.h" | 15 #include "content/public/browser/render_process_host_observer.h" |
16 #include "content/public/browser/web_contents.h" | 16 #include "content/public/browser/web_contents.h" |
17 #include "content/public/browser/web_contents_delegate.h" | 17 #include "content/public/browser/web_contents_delegate.h" |
18 #include "content/public/browser/web_contents_observer.h" | 18 #include "content/public/browser/web_contents_observer.h" |
19 #include "extensions/common/guest_view/guest_view_constants.h" | 19 #include "extensions/common/guest_view/guest_view_constants.h" |
20 | 20 |
21 struct RendererContentSettingRules; | 21 struct RendererContentSettingRules; |
22 | 22 |
23 namespace extensions { | 23 namespace extensions { |
24 | 24 |
25 // A struct of parameters for SetSize(). The parameters are all declared as | |
26 // scoped pointers since they are all optional. Null pointers indicate that the | |
27 // parameter has not been provided, and the last used value should be used. Note | |
28 // that when |enable_auto_size| is true, providing |normal_size| is not | |
29 // meaningful. This is because the normal size of the guestview is overridden | |
30 // whenever autosizing occurs. | |
31 struct SetSizeParams { | |
32 SetSizeParams(); | |
33 ~SetSizeParams(); | |
34 | |
35 scoped_ptr<bool> enable_auto_size; | |
36 scoped_ptr<gfx::Size> min_size; | |
37 scoped_ptr<gfx::Size> max_size; | |
38 scoped_ptr<gfx::Size> normal_size; | |
39 }; | |
40 | |
41 // A GuestViewBase is the base class browser-side API implementation for a | 25 // A GuestViewBase is the base class browser-side API implementation for a |
42 // <*view> tag. GuestViewBase maintains an association between a guest | 26 // <*view> tag. GuestViewBase maintains an association between a guest |
43 // WebContents and an owner WebContents. It receives events issued from | 27 // WebContents and an owner WebContents. It receives events issued from |
44 // the guest and relays them to the owner. GuestViewBase tracks the lifetime | 28 // the guest and relays them to the owner. GuestViewBase tracks the lifetime |
45 // of its owner. A GuestViewBase's owner is referred to as an embedder if | 29 // of its owner. A GuestViewBase's owner is referred to as an embedder if |
46 // it is attached to a container within the owner's WebContents. | 30 // it is attached to a container within the owner's WebContents. |
47 class GuestViewBase : public content::BrowserPluginGuestDelegate, | 31 class GuestViewBase : public content::BrowserPluginGuestDelegate, |
48 public content::WebContentsDelegate, | 32 public content::WebContentsDelegate, |
49 public content::WebContentsObserver, | 33 public content::WebContentsObserver, |
50 public ui_zoom::ZoomObserver { | 34 public ui_zoom::ZoomObserver { |
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199 void Init(const base::DictionaryValue& create_params, | 183 void Init(const base::DictionaryValue& create_params, |
200 const WebContentsCreatedCallback& callback); | 184 const WebContentsCreatedCallback& callback); |
201 | 185 |
202 void InitWithWebContents(const base::DictionaryValue& create_params, | 186 void InitWithWebContents(const base::DictionaryValue& create_params, |
203 content::WebContents* guest_web_contents); | 187 content::WebContents* guest_web_contents); |
204 | 188 |
205 bool IsViewType(const char* const view_type) const { | 189 bool IsViewType(const char* const view_type) const { |
206 return !strcmp(GetViewType(), view_type); | 190 return !strcmp(GetViewType(), view_type); |
207 } | 191 } |
208 | 192 |
209 // Used to toggle autosize mode for this GuestView, and set both the automatic | 193 // Toggles autosize mode for this GuestView. |
210 // and normal sizes. | 194 void SetAutoSize(bool enabled, |
211 void SetSize(const SetSizeParams& params); | 195 const gfx::Size& min_size, |
| 196 const gfx::Size& max_size); |
212 | 197 |
213 bool initialized() const { return initialized_; } | 198 bool initialized() const { return initialized_; } |
214 | 199 |
215 content::WebContents* embedder_web_contents() const { | 200 content::WebContents* embedder_web_contents() const { |
216 return attached() ? owner_web_contents_ : NULL; | 201 return attached() ? owner_web_contents_ : NULL; |
217 } | 202 } |
218 | 203 |
219 content::WebContents* owner_web_contents() const { | 204 content::WebContents* owner_web_contents() const { |
220 return owner_web_contents_; | 205 return owner_web_contents_; |
221 } | 206 } |
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299 class OwnerLifetimeObserver; | 284 class OwnerLifetimeObserver; |
300 | 285 |
301 class OpenerLifetimeObserver; | 286 class OpenerLifetimeObserver; |
302 | 287 |
303 void SendQueuedEvents(); | 288 void SendQueuedEvents(); |
304 | 289 |
305 void CompleteInit(scoped_ptr<base::DictionaryValue> create_params, | 290 void CompleteInit(scoped_ptr<base::DictionaryValue> create_params, |
306 const WebContentsCreatedCallback& callback, | 291 const WebContentsCreatedCallback& callback, |
307 content::WebContents* guest_web_contents); | 292 content::WebContents* guest_web_contents); |
308 | 293 |
309 void SetUpSizing(const base::DictionaryValue& params); | 294 void SetUpAutoSize(const base::DictionaryValue& params); |
310 | 295 |
311 void StartTrackingEmbedderZoomLevel(); | 296 void StartTrackingEmbedderZoomLevel(); |
312 void StopTrackingEmbedderZoomLevel(); | 297 void StopTrackingEmbedderZoomLevel(); |
313 | 298 |
314 static void RegisterGuestViewTypes(); | 299 static void RegisterGuestViewTypes(); |
315 | 300 |
316 // WebContentsObserver implementation. | 301 // WebContentsObserver implementation. |
317 void DidStopLoading(content::RenderViewHost* render_view_host) final; | 302 void DidStopLoading(content::RenderViewHost* render_view_host) final; |
318 void RenderViewReady() final; | 303 void RenderViewReady() final; |
319 void WebContentsDestroyed() final; | 304 void WebContentsDestroyed() final; |
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371 scoped_ptr<base::DictionaryValue> attach_params_; | 356 scoped_ptr<base::DictionaryValue> attach_params_; |
372 | 357 |
373 // This observer ensures that this guest self-destructs if the embedder goes | 358 // This observer ensures that this guest self-destructs if the embedder goes |
374 // away. | 359 // away. |
375 scoped_ptr<OwnerLifetimeObserver> owner_lifetime_observer_; | 360 scoped_ptr<OwnerLifetimeObserver> owner_lifetime_observer_; |
376 | 361 |
377 // This observer ensures that if the guest is unattached and its opener goes | 362 // This observer ensures that if the guest is unattached and its opener goes |
378 // away then this guest also self-destructs. | 363 // away then this guest also self-destructs. |
379 scoped_ptr<OpenerLifetimeObserver> opener_lifetime_observer_; | 364 scoped_ptr<OpenerLifetimeObserver> opener_lifetime_observer_; |
380 | 365 |
| 366 // The size of the container element. |
| 367 gfx::Size element_size_; |
| 368 |
381 // The size of the guest content. Note: In autosize mode, the container | 369 // The size of the guest content. Note: In autosize mode, the container |
382 // element may not match the size of the guest. | 370 // element may not match the size of the guest. |
383 gfx::Size guest_size_; | 371 gfx::Size guest_size_; |
384 | 372 |
385 // A pointer to the guest_sizer. | 373 // A pointer to the guest_sizer. |
386 content::GuestSizer* guest_sizer_; | 374 content::GuestSizer* guest_sizer_; |
387 | 375 |
388 // Indicates whether autosize mode is enabled or not. | 376 // Indicates whether autosize mode is enabled or not. |
389 bool auto_size_enabled_; | 377 bool auto_size_enabled_; |
390 | 378 |
391 // The maximum size constraints of the container element in autosize mode. | 379 // The maximum size constraints of the container element in autosize mode. |
392 gfx::Size max_auto_size_; | 380 gfx::Size max_auto_size_; |
393 | 381 |
394 // The minimum size constraints of the container element in autosize mode. | 382 // The minimum size constraints of the container element in autosize mode. |
395 gfx::Size min_auto_size_; | 383 gfx::Size min_auto_size_; |
396 | 384 |
397 // The size that will be used when autosize mode is disabled. | |
398 gfx::Size normal_size_; | |
399 | |
400 // Whether the guest view is inside a plugin document. | 385 // Whether the guest view is inside a plugin document. |
401 bool is_full_page_plugin_; | 386 bool is_full_page_plugin_; |
402 | 387 |
403 // This is used to ensure pending tasks will not fire after this object is | 388 // This is used to ensure pending tasks will not fire after this object is |
404 // destroyed. | 389 // destroyed. |
405 base::WeakPtrFactory<GuestViewBase> weak_ptr_factory_; | 390 base::WeakPtrFactory<GuestViewBase> weak_ptr_factory_; |
406 | 391 |
407 DISALLOW_COPY_AND_ASSIGN(GuestViewBase); | 392 DISALLOW_COPY_AND_ASSIGN(GuestViewBase); |
408 }; | 393 }; |
409 | 394 |
410 } // namespace extensions | 395 } // namespace extensions |
411 | 396 |
412 #endif // EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_BASE_H_ | 397 #endif // EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_BASE_H_ |
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