| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COMPONENTS_DOM_DISTILLER_CORE_VIEWER_H_ |
| #define COMPONENTS_DOM_DISTILLER_CORE_VIEWER_H_ |
| |
| #include <memory> |
| #include <string> |
| |
| #include "base/compiler_specific.h" |
| #include "base/strings/string16.h" |
| #include "components/dom_distiller/core/distilled_page_prefs.h" |
| #include "ui/gfx/geometry/size.h" |
| |
| namespace dom_distiller { |
| |
| class DistilledArticleProto; |
| class DistilledPageProto; |
| class DomDistillerServiceInterface; |
| class ViewerHandle; |
| class ViewRequestDelegate; |
| |
| namespace viewer { |
| |
| // Returns an HTML template page based on the given |page_proto| which provides |
| // basic information about the page (i.e. title, text direction, etc.). This is |
| // supposed to be displayed to the end user. The returned HTML should be |
| // considered unsafe, so callers must ensure rendering it does not compromise |
| // Chrome. |
| const std::string GetUnsafeArticleTemplateHtml( |
| const std::string original_url, |
| const DistilledPagePrefs::Theme theme, |
| const DistilledPagePrefs::FontFamily font_family); |
| |
| // Returns the JavaScript to place a full article's HTML on the page. The |
| // returned HTML should be considered unsafe, so callers must ensure |
| // rendering it does not compromise Chrome. |
| const std::string GetUnsafeArticleContentJs( |
| const DistilledArticleProto* article_proto); |
| |
| // Returns a JavaScript blob for updating a partial view request with additional |
| // distilled content. Meant for use when viewing a slow or long multi-page |
| // article. |is_last_page| indicates whether this is the last page of the |
| // article. |
| const std::string GetUnsafeIncrementalDistilledPageJs( |
| const DistilledPageProto* page_proto, |
| const bool is_last_page); |
| |
| // Returns the JavaScript to set the title of the distilled article page. |
| const std::string GetSetTitleJs(std::string title); |
| |
| // Return the JavaScript to set the text direction of the distiller page. |
| const std::string GetSetTextDirectionJs(const std::string& direction); |
| |
| // Returns a JavaScript blob for updating a view request with error page |
| // contents. |
| const std::string GetErrorPageJs(); |
| |
| // Returns a JavaScript blob for controlling the "in-progress" indicator when |
| // viewing a partially-distilled page. |is_last_page| indicates whether this is |
| // the last page of the article (i.e. loading indicator should be removed). |
| const std::string GetToggleLoadingIndicatorJs(const bool is_last_page); |
| |
| // Returns the default CSS to be used for a viewer. |
| const std::string GetCss(); |
| |
| // Returns the animated SVG loading image for a viewer. |
| const std::string GetLoadingImage(); |
| |
| // Returns the iOS specific CSS to be used for the distiller viewer. |
| const std::string GetIOSCss(); |
| |
| // Returns the default JS to be used for a viewer. |
| const std::string GetJavaScript(); |
| |
| // Based on the given path, calls into the DomDistillerServiceInterface for |
| // viewing distilled content based on the |path|. |
| std::unique_ptr<ViewerHandle> CreateViewRequest( |
| DomDistillerServiceInterface* dom_distiller_service, |
| const std::string& path, |
| ViewRequestDelegate* view_request_delegate, |
| const gfx::Size& render_view_size); |
| |
| // Returns JavaScript corresponding to setting the font family. |
| const std::string GetDistilledPageFontFamilyJs( |
| DistilledPagePrefs::FontFamily font); |
| |
| // Returns JavaScript corresponding to setting a specific theme. |
| const std::string GetDistilledPageThemeJs(DistilledPagePrefs::Theme theme); |
| |
| // Returns JavaScript corresponding to setting the font scaling. |
| const std::string GetDistilledPageFontScalingJs(float scaling); |
| |
| } // namespace viewer |
| |
| } // namespace dom_distiller |
| |
| #endif // COMPONENTS_DOM_DISTILLER_CORE_VIEWER_H_ |