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// 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_RENDERER_CONTEXT_MENU_RENDER_VIEW_CONTEXT_MENU_BASE_H_
#define COMPONENTS_RENDERER_CONTEXT_MENU_RENDER_VIEW_CONTEXT_MENU_BASE_H_
#include <stddef.h>
#include <map>
#include <string>
#include <utility>
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/scoped_vector.h"
#include "base/observer_list.h"
#include "base/strings/string16.h"
#include "components/renderer_context_menu/context_menu_content_type.h"
#include "components/renderer_context_menu/render_view_context_menu_observer.h"
#include "components/renderer_context_menu/render_view_context_menu_proxy.h"
#include "content/public/common/context_menu_params.h"
#include "ui/base/models/simple_menu_model.h"
#include "ui/base/page_transition_types.h"
#include "ui/base/window_open_disposition.h"
namespace content {
class RenderFrameHost;
class WebContents;
}
namespace gfx {
class Point;
}
namespace blink {
struct WebMediaPlayerAction;
struct WebPluginAction;
}
class RenderViewContextMenuBase : public ui::SimpleMenuModel::Delegate,
public RenderViewContextMenuProxy {
public:
// A delegate interface to communicate with the toolkit used by
// the embedder.
class ToolkitDelegate {
public:
virtual ~ToolkitDelegate() {}
// Initialize the toolkit's menu.
virtual void Init(ui::SimpleMenuModel* menu_model) = 0;
virtual void Cancel() = 0;
// Updates the actual menu items controlled by the toolkit.
virtual void UpdateMenuItem(int command_id,
bool enabled,
bool hidden,
const base::string16& title) = 0;
};
static const size_t kMaxSelectionTextLength;
static void SetContentCustomCommandIdRange(int first, int last);
// Convert a command ID so that it fits within the range for
// content context menu.
static int ConvertToContentCustomCommandId(int id);
// True if the given id is the one generated for content context menu.
static bool IsContentCustomCommandId(int id);
RenderViewContextMenuBase(content::RenderFrameHost* render_frame_host,
const content::ContextMenuParams& params);
~RenderViewContextMenuBase() override;
// Displays the menu.
// Different platform will have their own implementation.
virtual void Show() = 0;
// Initializes the context menu.
void Init();
// Programmatically closes the context menu.
void Cancel();
const ui::SimpleMenuModel& menu_model() const { return menu_model_; }
const content::ContextMenuParams& params() const { return params_; }
// Returns true if the specified command id is known and valid for
// this menu. If the command is known |enabled| is set to indicate
// if the command is enabled.
bool IsCommandIdKnown(int command_id, bool* enabled) const;
// SimpleMenuModel::Delegate implementation.
bool IsCommandIdChecked(int command_id) const override;
void ExecuteCommand(int command_id, int event_flags) override;
void MenuWillShow(ui::SimpleMenuModel* source) override;
void MenuClosed(ui::SimpleMenuModel* source) override;
// RenderViewContextMenuProxy implementation.
void AddMenuItem(int command_id, const base::string16& title) override;
void AddCheckItem(int command_id, const base::string16& title) override;
void AddSeparator() override;
void AddSubMenu(int command_id,
const base::string16& label,
ui::MenuModel* model) override;
void UpdateMenuItem(int command_id,
bool enabled,
bool hidden,
const base::string16& title) override;
content::RenderViewHost* GetRenderViewHost() const override;
content::WebContents* GetWebContents() const override;
content::BrowserContext* GetBrowserContext() const override;
protected:
friend class RenderViewContextMenuTest;
friend class RenderViewContextMenuPrefsTest;
void set_content_type(ContextMenuContentType* content_type) {
content_type_.reset(content_type);
}
void set_toolkit_delegate(scoped_ptr<ToolkitDelegate> delegate) {
toolkit_delegate_ = std::move(delegate);
}
ToolkitDelegate* toolkit_delegate() {
return toolkit_delegate_.get();
}
// TODO(oshima): Make these methods delegate.
// Menu Construction.
virtual void InitMenu();
// Increments histogram value for used items specified by |id|.
virtual void RecordUsedItem(int id) = 0;
// Increments histogram value for visible context menu item specified by |id|.
virtual void RecordShownItem(int id) = 0;
#if defined(ENABLE_PLUGINS)
virtual void HandleAuthorizeAllPlugins() = 0;
#endif
// Returns the accelerator for given |command_id|.
bool GetAcceleratorForCommandId(int command_id,
ui::Accelerator* accelerator) override = 0;
// Subclasses should send notification.
virtual void NotifyMenuShown() = 0;
virtual void NotifyURLOpened(const GURL& url,
content::WebContents* new_contents) = 0;
// TODO(oshima): Remove this.
virtual void AppendPlatformEditableItems() {}
content::RenderFrameHost* GetRenderFrameHost();
bool IsCustomItemChecked(int id) const;
bool IsCustomItemEnabled(int id) const;
// Opens the specified URL string in a new tab.
void OpenURL(const GURL& url, const GURL& referrer,
WindowOpenDisposition disposition,
ui::PageTransition transition);
// Opens the specified URL string in a new tab with the extra headers.
void OpenURLWithExtraHeaders(const GURL& url,
const GURL& referrer,
WindowOpenDisposition disposition,
ui::PageTransition transition,
const std::string& extra_headers);
content::ContextMenuParams params_;
content::WebContents* const source_web_contents_;
content::BrowserContext* const browser_context_;
ui::SimpleMenuModel menu_model_;
// Renderer's frame id.
const int render_frame_id_;
// Our observers.
mutable base::ObserverList<RenderViewContextMenuObserver> observers_;
// Whether a command has been executed. Used to track whether menu observers
// should be notified of menu closing without execution.
bool command_executed_;
scoped_ptr<ContextMenuContentType> content_type_;
private:
bool AppendCustomItems();
// The RenderFrameHost's IDs.
const int render_process_id_;
scoped_ptr<ToolkitDelegate> toolkit_delegate_;
ScopedVector<ui::SimpleMenuModel> custom_submenus_;
DISALLOW_COPY_AND_ASSIGN(RenderViewContextMenuBase);
};
#endif // COMPONENTS_RENDERER_CONTEXT_MENU_RENDER_VIEW_CONTEXT_MENU_BASE_H_
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