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// Copyright (c) 2006-2008 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_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
#define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
#import <Cocoa/Cocoa.h>
#include "base/scoped_nsobject.h"
#include "base/scoped_ptr.h"
#include "base/task.h"
#include "base/time.h"
#include "chrome/browser/cocoa/base_view.h"
#include "chrome/browser/renderer_host/render_widget_host_view.h"
#include "webkit/glue/webcursor.h"
class RenderWidgetHostViewMac;
class RWHVMEditCommandHelper;
@class ToolTip;
@protocol RenderWidgetHostViewMacOwner
- (RenderWidgetHostViewMac*)renderWidgetHostViewMac;
@end
// This is the view that lives in the Cocoa view hierarchy. In Windows-land,
// RenderWidgetHostViewWin is both the view and the delegate. We split the roles
// but that means that the view needs to own the delegate and will dispose of it
// when it's removed from the view system.
@interface RenderWidgetHostViewCocoa : BaseView <RenderWidgetHostViewMacOwner> {
@private
RenderWidgetHostViewMac* renderWidgetHostView_;
BOOL canBeKeyView_;
BOOL closeOnDeactivate_;
scoped_ptr<RWHVMEditCommandHelper> editCommand_helper_;
}
- (void)setCanBeKeyView:(BOOL)can;
- (void)setCloseOnDeactivate:(BOOL)b;
@end
///////////////////////////////////////////////////////////////////////////////
// RenderWidgetHostViewMac
//
// An object representing the "View" of a rendered web page. This object is
// responsible for displaying the content of the web page, and integrating with
// the Cocoa view system. It is the implementation of the RenderWidgetHostView
// that the cross-platform RenderWidgetHost object uses
// to display the data.
//
// Comment excerpted from render_widget_host.h:
//
// "The lifetime of the RenderWidgetHost* is tied to the render process.
// If the render process dies, the RenderWidgetHost* goes away and all
// references to it must become NULL."
//
class RenderWidgetHostViewMac : public RenderWidgetHostView {
public:
// The view will associate itself with the given widget. The native view must
// be hooked up immediately to the view hierarchy, or else when it is
// deleted it will delete this out from under the caller.
explicit RenderWidgetHostViewMac(RenderWidgetHost* widget);
virtual ~RenderWidgetHostViewMac();
RenderWidgetHostViewCocoa* native_view() const { return cocoa_view_; }
// Implementation of RenderWidgetHostView:
virtual void InitAsPopup(RenderWidgetHostView* parent_host_view,
const gfx::Rect& pos);
virtual RenderWidgetHost* GetRenderWidgetHost() const;
virtual void DidBecomeSelected();
virtual void WasHidden();
virtual void SetSize(const gfx::Size& size);
virtual gfx::NativeView GetNativeView();
virtual void MovePluginWindows(
const std::vector<WebPluginGeometry>& plugin_window_moves);
virtual void Focus();
virtual void Blur();
virtual bool HasFocus();
virtual void Show();
virtual void Hide();
virtual gfx::Rect GetViewBounds() const;
virtual void UpdateCursor(const WebCursor& cursor);
virtual void SetIsLoading(bool is_loading);
virtual void IMEUpdateStatus(int control, const gfx::Rect& caret_rect);
virtual void DidPaintRect(const gfx::Rect& rect);
virtual void DidScrollRect(const gfx::Rect& rect, int dx, int dy);
virtual void RenderViewGone();
virtual void Destroy();
virtual void SetTooltipText(const std::wstring& tooltip_text);
virtual BackingStore* AllocBackingStore(const gfx::Size& size);
virtual void ShowPopupWithItems(gfx::Rect bounds,
int item_height,
int selected_item,
const std::vector<WebMenuItem>& items);
void KillSelf();
void set_parent_view(BaseView* parent_view) { parent_view_ = parent_view; }
// These member variables should be private, but the associated ObjC class
// needs access to them and can't be made a friend.
// The associated Model.
RenderWidgetHost* render_widget_host_;
// This is true when we are currently painting and thus should handle extra
// paint requests by expanding the invalid rect rather than actually painting.
bool about_to_validate_and_paint_;
// This is the rectangle which we'll paint.
NSRect invalid_rect_;
// The time at which this view started displaying white pixels as a result of
// not having anything to paint (empty backing store from renderer). This
// value returns true for is_null() if we are not recording whiteout times.
base::TimeTicks whiteout_start_time_;
private:
// Updates the display cursor to the current cursor if the cursor is over this
// render view.
void UpdateCursorIfOverSelf();
// Shuts down the render_widget_host_. This is a separate function so we can
// invoke it from the message loop.
void ShutdownHost();
// The associated view.
RenderWidgetHostViewCocoa* cocoa_view_; // WEAK
// The cursor for the page. This is passed up from the renderer.
WebCursor current_cursor_;
// Indicates if the page is loading.
bool is_loading_;
// true if the View is not visible.
bool is_hidden_;
// Tooltips
// The text to be shown in the tooltip, supplied by the renderer.
std::wstring tooltip_text_;
// Used to display tooltips. We can't use the [NSView -setToolTip:] methods
// because we need to be able to show and hide the tooltip without the mouse
// leaving a region and NSView isn't set up for that to happen.
scoped_nsobject<ToolTip> tooltip_;
// Factory used to safely scope delayed calls to ShutdownHost().
ScopedRunnableMethodFactory<RenderWidgetHostViewMac> shutdown_factory_;
// Used for positioning a popup menu.
BaseView* parent_view_;
DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewMac);
};
#endif // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
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