| // Copyright 2013 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 CHROME_BROWSER_EXTENSIONS_EXTENSION_VIEW_HOST_H_ |
| #define CHROME_BROWSER_EXTENSIONS_EXTENSION_VIEW_HOST_H_ |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "components/web_modal/popup_manager.h" |
| #include "components/web_modal/web_contents_modal_dialog_host.h" |
| #include "components/web_modal/web_contents_modal_dialog_manager_delegate.h" |
| #include "extensions/browser/extension_host.h" |
| |
| class Browser; |
| |
| namespace content { |
| class SiteInstance; |
| class WebContents; |
| } |
| |
| namespace extensions { |
| |
| class ExtensionView; |
| |
| // The ExtensionHost for an extension that backs a view in the browser UI. For |
| // example, this could be an extension popup, infobar or dialog, but not a |
| // background page. |
| // TODO(gbillock): See if we can remove WebContentsModalDialogManager here. |
| class ExtensionViewHost |
| : public ExtensionHost, |
| public web_modal::WebContentsModalDialogManagerDelegate, |
| public web_modal::WebContentsModalDialogHost { |
| public: |
| ExtensionViewHost(const Extension* extension, |
| content::SiteInstance* site_instance, |
| const GURL& url, |
| ViewType host_type); |
| ~ExtensionViewHost() override; |
| |
| ExtensionView* view() { return view_.get(); } |
| const ExtensionView* view() const { return view_.get(); } |
| |
| // Create an ExtensionView and tie it to this host and |browser|. Note NULL |
| // is a valid argument for |browser|. Extension views may be bound to |
| // tab-contents hosted in ExternalTabContainer objects, which do not |
| // instantiate Browser objects. |
| void CreateView(Browser* browser); |
| |
| void SetAssociatedWebContents(content::WebContents* web_contents); |
| |
| // Handles keyboard events that were not handled by HandleKeyboardEvent(). |
| // Platform specific implementation may override this method to handle the |
| // event in platform specific way. |
| virtual void UnhandledKeyboardEvent( |
| content::WebContents* source, |
| const content::NativeWebKeyboardEvent& event); |
| |
| // ExtensionHost |
| void OnDidStopLoading() override; |
| void OnDocumentAvailable() override; |
| void LoadInitialURL() override; |
| bool IsBackgroundPage() const override; |
| |
| // content::WebContentsDelegate |
| content::WebContents* OpenURLFromTab( |
| content::WebContents* source, |
| const content::OpenURLParams& params) override; |
| bool PreHandleKeyboardEvent(content::WebContents* source, |
| const content::NativeWebKeyboardEvent& event, |
| bool* is_keyboard_shortcut) override; |
| void HandleKeyboardEvent( |
| content::WebContents* source, |
| const content::NativeWebKeyboardEvent& event) override; |
| bool PreHandleGestureEvent(content::WebContents* source, |
| const blink::WebGestureEvent& event) override; |
| content::ColorChooser* OpenColorChooser( |
| content::WebContents* web_contents, |
| SkColor color, |
| const std::vector<content::ColorSuggestion>& suggestions) override; |
| void RunFileChooser(content::WebContents* tab, |
| const content::FileChooserParams& params) override; |
| void ResizeDueToAutoResize(content::WebContents* source, |
| const gfx::Size& new_size) override; |
| |
| // content::WebContentsObserver |
| void RenderViewCreated(content::RenderViewHost* render_view_host) override; |
| |
| // web_modal::WebContentsModalDialogManagerDelegate |
| web_modal::WebContentsModalDialogHost* GetWebContentsModalDialogHost() |
| override; |
| bool IsWebContentsVisible(content::WebContents* web_contents) override; |
| |
| // web_modal::WebContentsModalDialogHost |
| gfx::NativeView GetHostView() const override; |
| gfx::Point GetDialogPosition(const gfx::Size& size) override; |
| gfx::Size GetMaximumDialogSize() override; |
| void AddObserver(web_modal::ModalDialogHostObserver* observer) override; |
| void RemoveObserver(web_modal::ModalDialogHostObserver* observer) override; |
| |
| // extensions::ExtensionFunctionDispatcher::Delegate |
| WindowController* GetExtensionWindowController() const override; |
| content::WebContents* GetAssociatedWebContents() const override; |
| content::WebContents* GetVisibleWebContents() const override; |
| |
| // content::NotificationObserver |
| void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) override; |
| |
| private: |
| // Implemented per-platform. Create the platform-specific ExtensionView. |
| static scoped_ptr<ExtensionView> CreateExtensionView(ExtensionViewHost* host, |
| Browser* browser); |
| |
| // Insert a default style sheet for Extension Infobars. |
| void InsertInfobarCSS(); |
| |
| // Optional view that shows the rendered content in the UI. |
| scoped_ptr<ExtensionView> view_; |
| |
| // The relevant WebContents associated with this ExtensionViewHost, if any. |
| content::WebContents* associated_web_contents_; |
| |
| // Observer to detect when the associated web contents is destroyed. |
| class AssociatedWebContentsObserver; |
| scoped_ptr<AssociatedWebContentsObserver> associated_web_contents_observer_; |
| |
| // Manage popups overlaying the WebContents in this EVH. |
| // TODO(gbillock): should usually not be used -- instead use the parent |
| // window's popup manager. Should only be used when the EVH is created without |
| // a parent window. |
| scoped_ptr<web_modal::PopupManager> popup_manager_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ExtensionViewHost); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_VIEW_HOST_H_ |