| // 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 COMPONENTS_PLUGINS_RENDERER_PLUGIN_PLACEHOLDER_H_ |
| #define COMPONENTS_PLUGINS_RENDERER_PLUGIN_PLACEHOLDER_H_ |
| |
| #include "components/plugins/renderer/webview_plugin.h" |
| #include "content/public/common/webplugininfo.h" |
| #include "content/public/renderer/context_menu_client.h" |
| #include "content/public/renderer/render_frame_observer.h" |
| #include "content/public/renderer/render_process_observer.h" |
| #include "third_party/WebKit/public/web/WebPluginParams.h" |
| #include "webkit/renderer/cpp_bound_class.h" |
| |
| namespace content { |
| struct WebPluginInfo; |
| } |
| |
| namespace plugins { |
| // Placeholders can be used if a plug-in is missing or not available |
| // (blocked or disabled). |
| class PluginPlaceholder : public content::RenderFrameObserver, |
| public webkit_glue::CppBoundClass, |
| public WebViewPlugin::Delegate { |
| public: |
| |
| WebViewPlugin* plugin() { return plugin_; } |
| |
| void set_blocked_for_prerendering(bool blocked_for_prerendering) { |
| is_blocked_for_prerendering_ = blocked_for_prerendering; |
| } |
| |
| void set_allow_loading(bool allow_loading) { allow_loading_ = allow_loading; } |
| |
| protected: |
| // |render_frame| and |frame| are weak pointers. If either one is going away, |
| // our |plugin_| will be destroyed as well and will notify us. |
| PluginPlaceholder(content::RenderFrame* render_frame, |
| blink::WebFrame* frame, |
| const blink::WebPluginParams& params, |
| const std::string& html_data, |
| GURL placeholderDataUrl); |
| |
| virtual ~PluginPlaceholder(); |
| |
| void OnLoadBlockedPlugins(const std::string& identifier); |
| void OnSetIsPrerendering(bool is_prerendering); |
| |
| void SetMessage(const base::string16& message); |
| void SetPluginInfo(const content::WebPluginInfo& plugin_info); |
| const content::WebPluginInfo& GetPluginInfo() const; |
| void SetIdentifier(const std::string& identifier); |
| blink::WebFrame* GetFrame(); |
| const blink::WebPluginParams& GetPluginParams() const; |
| bool LoadingAllowed() const { return allow_loading_; } |
| |
| // Replace this placeholder with a different plugin (which could be |
| // a placeholder again). |
| void ReplacePlugin(blink::WebPlugin* new_plugin); |
| |
| // Hide this placeholder. |
| void HidePlugin(); |
| |
| // Load the blocked plugin. |
| void LoadPlugin(); |
| |
| // WebViewPlugin::Delegate method: |
| virtual void BindWebFrame(blink::WebFrame* frame) OVERRIDE; |
| |
| private: |
| // WebViewPlugin::Delegate methods: |
| virtual void WillDestroyPlugin() OVERRIDE; |
| virtual void ShowContextMenu(const blink::WebMouseEvent&) OVERRIDE; |
| |
| // Javascript callbacks: |
| // All ignore arguments (which are, however, required by caller) and return |
| // nothing. |
| |
| // Load the blocked plugin by calling LoadPlugin(). |
| void LoadCallback(const webkit_glue::CppArgumentList& args, |
| webkit_glue::CppVariant* result); |
| |
| // Hide the blocked plugin by calling HidePlugin(). |
| void HideCallback(const webkit_glue::CppArgumentList& args, |
| webkit_glue::CppVariant* result); |
| |
| void DidFinishLoadingCallback(const webkit_glue::CppArgumentList& args, |
| webkit_glue::CppVariant* result); |
| |
| void UpdateMessage(); |
| |
| blink::WebFrame* frame_; |
| blink::WebPluginParams plugin_params_; |
| WebViewPlugin* plugin_; |
| |
| content::WebPluginInfo plugin_info_; |
| |
| base::string16 message_; |
| |
| // True iff the plugin was blocked because the page was being prerendered. |
| // Plugin will automatically be loaded when the page is displayed. |
| bool is_blocked_for_prerendering_; |
| bool allow_loading_; |
| |
| bool hidden_; |
| bool finished_loading_; |
| std::string identifier_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PluginPlaceholder); |
| }; |
| |
| } // namespace plugins |
| |
| #endif // COMPONENTS_PLUGINS_RENDERER_PLUGIN_PLACEHOLDER_H_ |