| // 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/web_contents_modal_dialog_host.h" |
| #include "components/web_modal/web_contents_modal_dialog_manager_delegate.h" |
| #include "extensions/browser/extension_host.h" |
| |
| #if defined(TOOLKIT_VIEWS) |
| #include "chrome/browser/ui/views/extensions/extension_view_views.h" |
| #elif defined(OS_MACOSX) |
| #include "chrome/browser/ui/cocoa/extensions/extension_view_mac.h" |
| #elif defined(OS_ANDROID) |
| #include "chrome/browser/ui/android/extensions/extension_view_android.h" |
| #endif |
| |
| class Browser; |
| |
| namespace content { |
| class SiteInstance; |
| class WebContents; |
| } |
| |
| namespace extensions { |
| |
| // 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. |
| 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); |
| virtual ~ExtensionViewHost(); |
| |
| // TODO(jamescook): Create platform specific subclasses? |
| #if defined(TOOLKIT_VIEWS) |
| typedef ExtensionViewViews PlatformExtensionView; |
| #elif defined(OS_MACOSX) |
| typedef ExtensionViewMac PlatformExtensionView; |
| #elif defined(OS_ANDROID) |
| // Android does not support extensions. |
| typedef ExtensionViewAndroid PlatformExtensionView; |
| #endif |
| |
| PlatformExtensionView* view() { return view_.get(); } |
| const PlatformExtensionView* 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 |
| virtual void OnDidStopLoading() OVERRIDE; |
| virtual void OnDocumentAvailable() OVERRIDE; |
| virtual void LoadInitialURL() OVERRIDE; |
| virtual bool IsBackgroundPage() const OVERRIDE; |
| |
| // content::WebContentsDelegate |
| virtual content::WebContents* OpenURLFromTab( |
| content::WebContents* source, |
| const content::OpenURLParams& params) OVERRIDE; |
| virtual bool PreHandleKeyboardEvent( |
| content::WebContents* source, |
| const content::NativeWebKeyboardEvent& event, |
| bool* is_keyboard_shortcut) OVERRIDE; |
| virtual void HandleKeyboardEvent( |
| content::WebContents* source, |
| const content::NativeWebKeyboardEvent& event) OVERRIDE; |
| virtual bool PreHandleGestureEvent( |
| content::WebContents* source, |
| const blink::WebGestureEvent& event) OVERRIDE; |
| virtual content::ColorChooser* OpenColorChooser( |
| content::WebContents* web_contents, |
| SkColor color, |
| const std::vector<content::ColorSuggestion>& suggestions) OVERRIDE; |
| virtual void RunFileChooser( |
| content::WebContents* tab, |
| const content::FileChooserParams& params) OVERRIDE; |
| virtual void ResizeDueToAutoResize(content::WebContents* source, |
| const gfx::Size& new_size) OVERRIDE; |
| |
| // content::WebContentsObserver |
| virtual void RenderViewCreated( |
| content::RenderViewHost* render_view_host) OVERRIDE; |
| |
| // web_modal::WebContentsModalDialogManagerDelegate |
| virtual web_modal::WebContentsModalDialogHost* |
| GetWebContentsModalDialogHost() OVERRIDE; |
| virtual bool IsWebContentsVisible( |
| content::WebContents* web_contents) OVERRIDE; |
| |
| // web_modal::WebContentsModalDialogHost |
| virtual gfx::NativeView GetHostView() const OVERRIDE; |
| virtual gfx::Point GetDialogPosition(const gfx::Size& size) OVERRIDE; |
| virtual gfx::Size GetMaximumDialogSize() OVERRIDE; |
| virtual void AddObserver( |
| web_modal::ModalDialogHostObserver* observer) OVERRIDE; |
| virtual void RemoveObserver( |
| web_modal::ModalDialogHostObserver* observer) OVERRIDE; |
| |
| // extensions::ExtensionFunctionDispatcher::Delegate |
| virtual WindowController* GetExtensionWindowController() const OVERRIDE; |
| virtual content::WebContents* GetAssociatedWebContents() const OVERRIDE; |
| virtual content::WebContents* GetVisibleWebContents() const OVERRIDE; |
| |
| // content::NotificationObserver |
| virtual void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) OVERRIDE; |
| |
| private: |
| // Insert a default style sheet for Extension Infobars. |
| void InsertInfobarCSS(); |
| |
| // Optional view that shows the rendered content in the UI. |
| scoped_ptr<PlatformExtensionView> 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_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ExtensionViewHost); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_VIEW_HOST_H_ |