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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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