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// Copyright (c) 2011 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_COCOA_EXTENSIONS_EXTENSION_VIEW_MAC_H_
#define CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_VIEW_MAC_H_
#pragma once
#include "base/basictypes.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gfx/size.h"
class Browser;
class ExtensionHost;
class RenderViewHost;
class SkBitmap;
// This class represents extension views. An extension view internally contains
// a bridge to an extension process, which draws to the extension view's
// native view object through IPC.
class ExtensionViewMac {
public:
ExtensionViewMac(ExtensionHost* extension_host, Browser* browser);
~ExtensionViewMac();
// Starts the extension process and creates the native view. You must call
// this method before calling any of this class's other methods.
void Init();
// Returns the extension's native view.
gfx::NativeView native_view();
// Returns the browser the extension belongs to.
Browser* browser() const { return browser_; }
// Method for the ExtensionHost to notify us that the extension page is
// loaded.
void DidStopLoading();
// Sets the extensions's background image.
void SetBackground(const SkBitmap& background);
// Method for the ExtensionHost to notify us about the correct size for
// extension contents.
void UpdatePreferredSize(const gfx::Size& new_size);
// Method for the ExtensionHost to notify us when the RenderViewHost has a
// connection.
void RenderViewCreated();
// Informs the view that its containing window's frame changed.
void WindowFrameChanged();
// The minimum/maximum dimensions of the popup.
// The minimum is just a little larger than the size of the button itself.
// The maximum is an arbitrary number that should be smaller than most
// screens.
static const CGFloat kMinWidth;
static const CGFloat kMinHeight;
static const CGFloat kMaxWidth;
static const CGFloat kMaxHeight;
private:
RenderViewHost* render_view_host() const;
void CreateWidgetHostView();
// We wait to show the ExtensionView until several things have loaded.
void ShowIfCompletelyLoaded();
Browser* browser_; // weak
ExtensionHost* extension_host_; // weak
// 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_;
DISALLOW_COPY_AND_ASSIGN(ExtensionViewMac);
};
#endif // CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_VIEW_MAC_H_
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