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Side by Side Diff: Source/WebKit/chromium/public/WebFrameClient.h

Issue 14495011: Revert "Create errors (especially cancellation errors) internally to WebCore, rather" (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 7 years, 7 months ago
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1 /* 1 /*
2 * Copyright (C) 2011, 2012 Google Inc. All rights reserved. 2 * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are 5 * modification, are permitted provided that the following conditions are
6 * met: 6 * met:
7 * 7 *
8 * * Redistributions of source code must retain the above copyright 8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above 10 * * Redistributions in binary form must reproduce the above
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133 133
134 134
135 // Navigational queries ------------------------------------------------ 135 // Navigational queries ------------------------------------------------
136 136
137 // The client may choose to alter the navigation policy. Otherwise, 137 // The client may choose to alter the navigation policy. Otherwise,
138 // defaultPolicy should just be returned. 138 // defaultPolicy should just be returned.
139 virtual WebNavigationPolicy decidePolicyForNavigation( 139 virtual WebNavigationPolicy decidePolicyForNavigation(
140 WebFrame*, const WebURLRequest&, WebNavigationType, 140 WebFrame*, const WebURLRequest&, WebNavigationType,
141 WebNavigationPolicy defaultPolicy, bool isRedirect) { return defaultPoli cy; } 141 WebNavigationPolicy defaultPolicy, bool isRedirect) { return defaultPoli cy; }
142 142
143 // Query if the specified request can be handled.
144 virtual bool canHandleRequest(
145 WebFrame*, const WebURLRequest& request) { return true; }
146
147 // Returns an error corresponding to canHandledRequest() returning false.
148 virtual WebURLError cannotHandleRequestError(
149 WebFrame*, const WebURLRequest& request) { return WebURLError(); }
150
151 // Returns an error corresponding to a user cancellation event.
152 virtual WebURLError cancelledError(
153 WebFrame*, const WebURLRequest& request) { return WebURLError(); }
154
155 // Notify that a URL cannot be handled.
156 virtual void unableToImplementPolicyWithError(
157 WebFrame*, const WebURLError&) { }
158
159
143 // Navigational notifications ------------------------------------------ 160 // Navigational notifications ------------------------------------------
144 161
145 // A form submission has been requested, but the page's submit event handler 162 // A form submission has been requested, but the page's submit event handler
146 // hasn't yet had a chance to run (and possibly alter/interrupt the submit.) 163 // hasn't yet had a chance to run (and possibly alter/interrupt the submit.)
147 virtual void willSendSubmitEvent(WebFrame*, const WebFormElement&) { } 164 virtual void willSendSubmitEvent(WebFrame*, const WebFormElement&) { }
148 165
149 // A form submission is about to occur. 166 // A form submission is about to occur.
150 virtual void willSubmitForm(WebFrame*, const WebFormElement&) { } 167 virtual void willSubmitForm(WebFrame*, const WebFormElement&) { }
151 168
152 // A client-side redirect will occur. This may correspond to a <META 169 // A client-side redirect will occur. This may correspond to a <META
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425 // Extensions3D.h in WebCore/platform/graphics). 442 // Extensions3D.h in WebCore/platform/graphics).
426 virtual void didLoseWebGLContext(WebFrame*, int) { } 443 virtual void didLoseWebGLContext(WebFrame*, int) { }
427 444
428 protected: 445 protected:
429 ~WebFrameClient() { } 446 ~WebFrameClient() { }
430 }; 447 };
431 448
432 } // namespace WebKit 449 } // namespace WebKit
433 450
434 #endif 451 #endif
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