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// Copyright (c) 2010 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_VIEWS_EXTENSIONS_EXTENSION_VIEW_H_
#define CHROME_BROWSER_VIEWS_EXTENSIONS_EXTENSION_VIEW_H_
#pragma once
#include "build/build_config.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "views/controls/native/native_view_host.h"
class Browser;
class Extension;
class ExtensionHost;
class ExtensionView;
class RenderViewHost;
// This handles the display portion of an ExtensionHost.
class ExtensionView : public views::NativeViewHost {
public:
ExtensionView(ExtensionHost* host, Browser* browser);
~ExtensionView();
// A class that represents the container that this view is in.
// (bottom shelf, side bar, etc.)
class Container {
public:
virtual ~Container() {}
// Mouse event notifications from the view. (useful for hover UI).
virtual void OnExtensionMouseMove(ExtensionView* view) = 0;
virtual void OnExtensionMouseLeave(ExtensionView* view) = 0;
virtual void OnExtensionPreferredSizeChanged(ExtensionView* view) {}
};
ExtensionHost* host() const { return host_; }
Browser* browser() const { return browser_; }
const Extension* extension() const;
RenderViewHost* render_view_host() const;
void DidStopLoading();
void SetIsClipped(bool is_clipped);
// Notification from ExtensionHost.
void UpdatePreferredSize(const gfx::Size& new_size);
void HandleMouseMove();
void HandleMouseLeave();
// Method for the ExtensionHost to notify us when the RenderViewHost has a
// connection.
void RenderViewCreated();
// Set a custom background for the view. The background will be tiled.
void SetBackground(const SkBitmap& background);
// Sets the container for this view.
void SetContainer(Container* container) { container_ = container; }
// Overridden from views::NativeViewHost:
virtual void SetVisible(bool is_visible);
virtual void DidChangeBounds(const gfx::Rect& previous,
const gfx::Rect& current);
virtual void ViewHierarchyChanged(bool is_add,
views::View *parent, views::View *child);
protected:
// Overridden from views::View.
virtual void PreferredSizeChanged();
virtual bool SkipDefaultKeyEventProcessing(const views::KeyEvent& e);
private:
friend class ExtensionHost;
// Initializes the RenderWidgetHostView for this object.
void CreateWidgetHostView();
// We wait to show the ExtensionView until several things have loaded.
void ShowIfCompletelyLoaded();
// Restore object to initial state. Called on shutdown or after a renderer
// crash.
void CleanUp();
// The running extension instance that we're displaying.
// Note that host_ owns view
ExtensionHost* host_;
// The browser window that this view is in.
Browser* browser_;
// True if we've been initialized.
bool initialized_;
// The background the view should have once it is initialized. This is set
// when the view has a custom background, but hasn't been initialized yet.
SkBitmap pending_background_;
// What we should set the preferred width to once the ExtensionView has
// loaded.
gfx::Size pending_preferred_size_;
// The container this view is in (not necessarily its direct superview).
// Note: the view does not own its container.
Container* container_;
// Whether this extension view is clipped.
bool is_clipped_;
DISALLOW_COPY_AND_ASSIGN(ExtensionView);
};
#endif // CHROME_BROWSER_VIEWS_EXTENSIONS_EXTENSION_VIEW_H_
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