| /* |
| * Copyright (C) 2009 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_VIEW_CLIENT_H_ |
| #define THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_VIEW_CLIENT_H_ |
| |
| #include "base/optional.h" |
| #include "base/strings/string_piece.h" |
| #include "services/network/public/mojom/web_sandbox_flags.mojom-shared.h" |
| #include "third_party/blink/public/common/dom_storage/session_storage_namespace_id.h" |
| #include "third_party/blink/public/common/feature_policy/feature_policy_features.h" |
| #include "third_party/blink/public/common/renderer_preferences/renderer_preferences.h" |
| #include "third_party/blink/public/mojom/page/page_visibility_state.mojom-forward.h" |
| #include "third_party/blink/public/platform/web_impression.h" |
| #include "third_party/blink/public/platform/web_string.h" |
| #include "third_party/blink/public/web/web_ax_enums.h" |
| #include "third_party/blink/public/web/web_frame.h" |
| #include "third_party/blink/public/web/web_navigation_policy.h" |
| #include "ui/gfx/geometry/rect.h" |
| |
| namespace blink { |
| |
| class WebPagePopup; |
| class WebURLRequest; |
| class WebView; |
| struct WebWindowFeatures; |
| |
| class WebViewClient { |
| public: |
| virtual ~WebViewClient() = default; |
| // Factory methods ----------------------------------------------------- |
| |
| // Create a new related WebView. This method must clone its session storage |
| // so any subsequent calls to createSessionStorageNamespace conform to the |
| // WebStorage specification. |
| // The request parameter is only for the client to check if the request |
| // could be fulfilled. The client should not load the request. |
| // The policy parameter indicates how the new view will be displayed in |
| // LocalMainFrameHost::ShowCreatedWidget. |
| virtual WebView* CreateView( |
| WebLocalFrame* creator, |
| const WebURLRequest& request, |
| const WebWindowFeatures& features, |
| const WebString& name, |
| WebNavigationPolicy policy, |
| network::mojom::WebSandboxFlags, |
| const SessionStorageNamespaceId& session_storage_namespace_id, |
| bool& consumed_user_gesture, |
| const base::Optional<WebImpression>&) { |
| return nullptr; |
| } |
| |
| // Create a new popup WebWidget. |
| virtual WebPagePopup* CreatePopup(WebLocalFrame*) { return nullptr; } |
| |
| // Returns the session storage namespace id associated with this WebView. |
| virtual base::StringPiece GetSessionStorageNamespaceId() { |
| return base::StringPiece(); |
| } |
| |
| // Misc ---------------------------------------------------------------- |
| |
| // Called when a region of the WebView needs to be re-painted. This is only |
| // for non-composited WebViews that exist to contribute to a "parent" WebView |
| // painting. Otherwise invalidations are transmitted to the compositor through |
| // the layers. |
| virtual void DidInvalidateRect(const gfx::Rect&) {} |
| |
| // Called when script in the page calls window.print(). If frame is |
| // non-null, then it selects a particular frame, including its |
| // children, to print. Otherwise, the main frame and its children |
| // should be printed. |
| virtual void PrintPage(WebLocalFrame*) {} |
| |
| virtual void OnPageVisibilityChanged(mojom::PageVisibilityState visibility) {} |
| |
| virtual void OnPageFrozenChanged(bool frozen) {} |
| |
| virtual void DidUpdateRendererPreferences() {} |
| |
| // UI ------------------------------------------------------------------ |
| |
| // Called to determine if drag-n-drop operations may initiate a page |
| // navigation. |
| virtual bool AcceptsLoadDrops() { return true; } |
| |
| // Called to check if layout update should be processed. |
| virtual bool CanUpdateLayout() { return false; } |
| |
| // Called when the View has changed size as a result of an auto-resize. |
| virtual void DidAutoResize(const gfx::Size& new_size) {} |
| |
| // Called when the View acquires focus. |
| virtual void DidFocus() {} |
| |
| // Session history ----------------------------------------------------- |
| |
| // Returns the number of history items before/after the current |
| // history item. |
| virtual int HistoryBackListCount() { return 0; } |
| virtual int HistoryForwardListCount() { return 0; } |
| |
| // History ------------------------------------------------------------- |
| virtual void OnSetHistoryOffsetAndLength(int history_offset, |
| int history_length) {} |
| }; |
| |
| } // namespace blink |
| |
| #endif |