| // Copyright (c) 2012 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_PDF_BROWSER_PDF_WEB_CONTENTS_HELPER_H_ |
| #define COMPONENTS_PDF_BROWSER_PDF_WEB_CONTENTS_HELPER_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "components/pdf/common/pdf.mojom.h" |
| #include "content/public/browser/touch_selection_controller_client_manager.h" |
| #include "content/public/browser/web_contents_binding_set.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "content/public/browser/web_contents_user_data.h" |
| #include "ui/touch_selection/selection_event_type.h" |
| #include "ui/touch_selection/touch_selection_controller.h" |
| #include "ui/touch_selection/touch_selection_menu_runner.h" |
| |
| namespace content { |
| class WebContents; |
| } |
| |
| namespace pdf { |
| |
| class PDFWebContentsHelperClient; |
| |
| // Per-WebContents class to handle PDF messages. |
| class PDFWebContentsHelper |
| : public content::WebContentsObserver, |
| public content::WebContentsUserData<PDFWebContentsHelper>, |
| public mojom::PdfService, |
| public ui::TouchSelectionControllerClient, |
| public ui::TouchSelectionMenuClient, |
| public content::TouchSelectionControllerClientManager::Observer { |
| public: |
| ~PDFWebContentsHelper() override; |
| |
| static void CreateForWebContentsWithClient( |
| content::WebContents* contents, |
| std::unique_ptr<PDFWebContentsHelperClient> client); |
| |
| // ui::TouchSelectionControllerClient : |
| bool SupportsAnimation() const override; |
| void SetNeedsAnimate() override {} |
| void MoveCaret(const gfx::PointF& position) override; |
| void MoveRangeSelectionExtent(const gfx::PointF& extent) override; |
| void SelectBetweenCoordinates(const gfx::PointF& base, |
| const gfx::PointF& extent) override; |
| void OnSelectionEvent(ui::SelectionEventType event) override; |
| void OnDragUpdate(const gfx::PointF& position) override; |
| std::unique_ptr<ui::TouchHandleDrawable> CreateDrawable() override; |
| void DidScroll() override; |
| |
| // ui::TouchSelectionMenuRunner: |
| bool IsCommandIdEnabled(int command_id) const override; |
| void ExecuteCommand(int command_id, int event_flags) override; |
| void RunContextMenu() override; |
| bool ShouldShowQuickMenu() override; |
| base::string16 GetSelectedText() override; |
| |
| // ui::TouchSelectionControllerClientManager::Observer: |
| void OnManagerWillDestroy( |
| content::TouchSelectionControllerClientManager* manager) override; |
| |
| private: |
| friend class content::WebContentsUserData<PDFWebContentsHelper>; |
| |
| PDFWebContentsHelper(content::WebContents* web_contents, |
| std::unique_ptr<PDFWebContentsHelperClient> client); |
| |
| void InitTouchSelectionClientManager(); |
| gfx::PointF ConvertFromRoot(const gfx::PointF& point_f) const; |
| gfx::PointF ConvertToRoot(const gfx::PointF& point_f) const; |
| gfx::PointF ConvertHelper(const gfx::PointF& point_f, float scale) const; |
| |
| // mojom::PdfService: |
| void SetListener(mojom::PdfListenerPtr listener) override; |
| void HasUnsupportedFeature() override; |
| void SaveUrlAs(const GURL& url, blink::mojom::ReferrerPtr referrer) override; |
| void UpdateContentRestrictions(int32_t content_restrictions) override; |
| void SelectionChanged(const gfx::PointF& left, |
| int32_t left_height, |
| const gfx::PointF& right, |
| int32_t right_height) override; |
| |
| content::WebContentsFrameBindingSet<mojom::PdfService> pdf_service_bindings_; |
| std::unique_ptr<PDFWebContentsHelperClient> const client_; |
| content::TouchSelectionControllerClientManager* |
| touch_selection_controller_client_manager_ = nullptr; |
| |
| // Latest selection bounds received from PDFium. |
| gfx::PointF selection_left_; |
| int32_t selection_left_height_ = 0; |
| gfx::PointF selection_right_; |
| int32_t selection_right_height_ = 0; |
| bool has_selection_ = false; |
| |
| mojom::PdfListenerPtr remote_pdf_client_; |
| |
| WEB_CONTENTS_USER_DATA_KEY_DECL(); |
| |
| DISALLOW_COPY_AND_ASSIGN(PDFWebContentsHelper); |
| }; |
| |
| } // namespace pdf |
| |
| #endif // COMPONENTS_PDF_BROWSER_PDF_WEB_CONTENTS_HELPER_H_ |