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// Copyright 2013 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 CONTENT_SHELL_BROWSER_SHELL_H_
#define CONTENT_SHELL_BROWSER_SHELL_H_
#include <vector>
#include "base/basictypes.h"
#include "base/callback_forward.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string_piece.h"
#include "build/build_config.h"
#include "content/public/browser/web_contents_delegate.h"
#include "content/public/browser/web_contents_observer.h"
#include "ipc/ipc_channel.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/native_widget_types.h"
#if defined(OS_ANDROID)
#include "base/android/scoped_java_ref.h"
#elif defined(USE_AURA)
#if defined(OS_CHROMEOS)
namespace gfx {
class Screen;
}
namespace wm {
class WMTestHelper;
}
#endif // defined(OS_CHROMEOS)
namespace views {
class Widget;
class ViewsDelegate;
}
#endif // defined(USE_AURA)
class GURL;
namespace content {
#if defined(USE_AURA)
class ShellPlatformDataAura;
#endif
class BrowserContext;
class ShellDevToolsFrontend;
class ShellJavaScriptDialogManager;
class SiteInstance;
class WebContents;
// This represents one window of the Content Shell, i.e. all the UI including
// buttons and url bar, as well as the web content area.
class Shell : public WebContentsDelegate,
public WebContentsObserver {
public:
static const int kDefaultTestWindowWidthDip;
static const int kDefaultTestWindowHeightDip;
~Shell() override;
void LoadURL(const GURL& url);
void LoadURLForFrame(const GURL& url, const std::string& frame_name);
void LoadDataWithBaseURL(const GURL& url,
const std::string& data,
const GURL& base_url);
void GoBackOrForward(int offset);
void Reload();
void Stop();
void UpdateNavigationControls(bool to_different_document);
void Close();
void ShowDevTools();
void ShowDevToolsForElementAt(int x, int y);
void ShowDevToolsForTest(const std::string& settings,
const std::string& frontend_url);
void CloseDevTools();
#if defined(OS_MACOSX)
// Resizes the web content view to the given dimensions.
void SizeTo(const gfx::Size& content_size);
#endif
// Do one time initialization at application startup.
static void Initialize();
static Shell* CreateNewWindow(BrowserContext* browser_context,
const GURL& url,
SiteInstance* site_instance,
const gfx::Size& initial_size);
// Returns the Shell object corresponding to the given RenderViewHost.
static Shell* FromRenderViewHost(RenderViewHost* rvh);
// Returns the currently open windows.
static std::vector<Shell*>& windows() { return windows_; }
// Closes all windows and returns. This runs a message loop.
static void CloseAllWindows();
// Used for content_browsertests. Called once.
static void SetShellCreatedCallback(
base::Callback<void(Shell*)> shell_created_callback);
WebContents* web_contents() const { return web_contents_.get(); }
gfx::NativeWindow window() { return window_; }
#if defined(OS_MACOSX)
// Public to be called by an ObjC bridge object.
void ActionPerformed(int control);
void URLEntered(std::string url_string);
#elif defined(OS_ANDROID)
// Registers the Android Java to native methods.
static bool Register(JNIEnv* env);
#endif
// WebContentsDelegate
WebContents* OpenURLFromTab(WebContents* source,
const OpenURLParams& params) override;
void AddNewContents(WebContents* source,
WebContents* new_contents,
WindowOpenDisposition disposition,
const gfx::Rect& initial_pos,
bool user_gesture,
bool* was_blocked) override;
void LoadingStateChanged(WebContents* source,
bool to_different_document) override;
#if defined(OS_ANDROID)
virtual void LoadProgressChanged(WebContents* source,
double progress) override;
#endif
void EnterFullscreenModeForTab(WebContents* web_contents,
const GURL& origin) override;
void ExitFullscreenModeForTab(WebContents* web_contents) override;
bool IsFullscreenForTabOrPending(
const WebContents* web_contents) const override;
void RequestToLockMouse(WebContents* web_contents,
bool user_gesture,
bool last_unlocked_by_target) override;
void CloseContents(WebContents* source) override;
bool CanOverscrollContent() const override;
void DidNavigateMainFramePostCommit(WebContents* web_contents) override;
JavaScriptDialogManager* GetJavaScriptDialogManager(
WebContents* source) override;
#if defined(OS_MACOSX)
void HandleKeyboardEvent(WebContents* source,
const NativeWebKeyboardEvent& event) override;
#endif
bool AddMessageToConsole(WebContents* source,
int32 level,
const base::string16& message,
int32 line_no,
const base::string16& source_id) override;
void RendererUnresponsive(WebContents* source) override;
void ActivateContents(WebContents* contents) override;
void DeactivateContents(WebContents* contents) override;
void WorkerCrashed(WebContents* source) override;
bool HandleContextMenu(const content::ContextMenuParams& params) override;
void WebContentsFocused(WebContents* contents) override;
private:
enum UIControl {
BACK_BUTTON,
FORWARD_BUTTON,
STOP_BUTTON
};
class DevToolsWebContentsObserver;
explicit Shell(WebContents* web_contents);
// Helper to create a new Shell given a newly created WebContents.
static Shell* CreateShell(WebContents* web_contents,
const gfx::Size& initial_size);
// Helper for one time initialization of application
static void PlatformInitialize(const gfx::Size& default_window_size);
// Helper for one time deinitialization of platform specific state.
static void PlatformExit();
// Adjust the size when Blink sends 0 for width and/or height.
// This happens when Blink requests a default-sized window.
static gfx::Size AdjustWindowSize(const gfx::Size& initial_size);
// All the methods that begin with Platform need to be implemented by the
// platform specific Shell implementation.
// Called from the destructor to let each platform do any necessary cleanup.
void PlatformCleanUp();
// Creates the main window GUI.
void PlatformCreateWindow(int width, int height);
// Links the WebContents into the newly created window.
void PlatformSetContents();
// Resize the content area and GUI.
void PlatformResizeSubViews();
// Enable/disable a button.
void PlatformEnableUIControl(UIControl control, bool is_enabled);
// Updates the url in the url bar.
void PlatformSetAddressBarURL(const GURL& url);
// Sets whether the spinner is spinning.
void PlatformSetIsLoading(bool loading);
// Set the title of shell window
void PlatformSetTitle(const base::string16& title);
// User right-clicked on the web view
bool PlatformHandleContextMenu(const content::ContextMenuParams& params);
#if defined(OS_ANDROID)
void PlatformToggleFullscreenModeForTab(WebContents* web_contents,
bool enter_fullscreen);
bool PlatformIsFullscreenForTabOrPending(
const WebContents* web_contents) const;
#endif
#if defined(TOOLKIT_VIEWS)
void PlatformWebContentsFocused(WebContents* contents);
#endif
gfx::NativeView GetContentView();
void ToggleFullscreenModeForTab(WebContents* web_contents,
bool enter_fullscreen);
// WebContentsObserver
void TitleWasSet(NavigationEntry* entry, bool explicit_set) override;
void InnerShowDevTools(const std::string& settings,
const std::string& frontend_url);
void OnDevToolsWebContentsDestroyed();
scoped_ptr<ShellJavaScriptDialogManager> dialog_manager_;
scoped_ptr<WebContents> web_contents_;
scoped_ptr<DevToolsWebContentsObserver> devtools_observer_;
ShellDevToolsFrontend* devtools_frontend_;
bool is_fullscreen_;
gfx::NativeWindow window_;
gfx::NativeEditView url_edit_view_;
gfx::Size content_size_;
#if defined(OS_ANDROID)
base::android::ScopedJavaGlobalRef<jobject> java_object_;
#elif defined(USE_AURA)
#if defined(OS_CHROMEOS)
static wm::WMTestHelper* wm_test_helper_;
static gfx::Screen* test_screen_;
#endif
#if defined(TOOLKIT_VIEWS)
static views::ViewsDelegate* views_delegate_;
views::Widget* window_widget_;
#endif // defined(TOOLKIT_VIEWS)
static ShellPlatformDataAura* platform_;
#endif // defined(USE_AURA)
bool headless_;
// A container of all the open windows. We use a vector so we can keep track
// of ordering.
static std::vector<Shell*> windows_;
static base::Callback<void(Shell*)> shell_created_callback_;
// True if the destructur of Shell should post a quit closure on the current
// message loop if the destructed Shell object was the last one.
static bool quit_message_loop_;
};
} // namespace content
#endif // CONTENT_SHELL_BROWSER_SHELL_H_