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// Copyright (c) 2012 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_UI_VIEWS_EXTENSIONS_EXTENSION_VIEW_VIEWS_H_
#define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_VIEW_VIEWS_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "content/public/browser/native_web_keyboard_event.h"
#include "extensions/browser/extension_host.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/views/controls/native/native_view_host.h"
#include "ui/views/controls/webview/unhandled_keyboard_event_handler.h"
class Browser;
namespace content {
class RenderViewHost;
}
// This handles the display portion of an ExtensionHost.
class ExtensionViewViews : public views::NativeViewHost {
public:
// A class that represents the container that this view is in.
// (bottom shelf, side bar, etc.)
class Container {
public:
virtual ~Container() {}
virtual void OnExtensionSizeChanged(ExtensionViewViews* view) {}
};
ExtensionViewViews(extensions::ExtensionHost* host, Browser* browser);
virtual ~ExtensionViewViews();
// views::NativeViewHost:
virtual gfx::Size GetMinimumSize() OVERRIDE;
virtual void SetVisible(bool is_visible) OVERRIDE;
virtual gfx::NativeCursor GetCursor(const ui::MouseEvent& event) OVERRIDE;
virtual void ViewHierarchyChanged(
const ViewHierarchyChangedDetails& details) OVERRIDE;
extensions::ExtensionHost* host() const { return host_; }
const extensions::Extension* extension() const { return host_->extension(); }
content::RenderViewHost* render_view_host() const {
return host_->render_view_host();
}
Browser* browser() const { return browser_; }
void set_minimum_size(const gfx::Size& minimum_size) {
minimum_size_ = minimum_size;
}
void set_container(Container* container) { container_ = container; }
void DidStopLoading();
void SetIsClipped(bool is_clipped);
// Notification from ExtensionHost.
void ResizeDueToAutoResize(const gfx::Size& new_size);
// Method for the ExtensionHost to notify us when the RenderViewHost has a
// connection.
void RenderViewCreated();
// Handles unhandled keyboard messages coming back from the renderer process.
void HandleKeyboardEvent(const content::NativeWebKeyboardEvent& event);
private:
friend class extensions::ExtensionHost;
// views::NativeViewHost:
virtual bool SkipDefaultKeyEventProcessing(const ui::KeyEvent& e) OVERRIDE;
virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE;
virtual void PreferredSizeChanged() OVERRIDE;
virtual void OnFocus() OVERRIDE;
// Initializes the RenderWidgetHostView for this object.
void CreateWidgetHostView();
// We wait to show the ExtensionViewViews 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
extensions::ExtensionHost* host_;
// The browser window that this view is in.
Browser* browser_;
// True if we've been initialized.
bool initialized_;
// What we should set the preferred width to once the ExtensionViewViews has
// loaded.
gfx::Size pending_preferred_size_;
gfx::Size minimum_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_;
// A handler to handle unhandled keyboard messages coming back from the
// renderer process.
views::UnhandledKeyboardEventHandler unhandled_keyboard_event_handler_;
DISALLOW_COPY_AND_ASSIGN(ExtensionViewViews);
};
#endif // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_VIEW_VIEWS_H_
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