electron/atom/browser/api/atom_api_web_contents.h
2014-11-03 19:45:09 +08:00

212 lines
7.6 KiB
C++

// Copyright (c) 2014 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef ATOM_BROWSER_API_ATOM_API_WEB_CONTENTS_H_
#define ATOM_BROWSER_API_ATOM_API_WEB_CONTENTS_H_
#include <string>
#include "atom/browser/api/event_emitter.h"
#include "content/public/browser/browser_plugin_guest_delegate.h"
#include "content/public/browser/web_contents_delegate.h"
#include "content/public/browser/web_contents_observer.h"
#include "brightray/browser/default_web_contents_delegate.h"
#include "native_mate/handle.h"
namespace mate {
class Dictionary;
}
namespace brightray {
class InspectableWebContents;
}
namespace atom {
namespace api {
class WebContents : public mate::EventEmitter,
public content::BrowserPluginGuestDelegate,
public content::WebContentsDelegate,
public content::WebContentsObserver {
public:
// Create from an existing WebContents.
static mate::Handle<WebContents> CreateFrom(
v8::Isolate* isolate, content::WebContents* web_contents);
// Create a new WebContents.
static mate::Handle<WebContents> Create(
v8::Isolate* isolate, const mate::Dictionary& options);
void Destroy();
bool IsAlive() const;
void LoadURL(const GURL& url);
GURL GetURL() const;
base::string16 GetTitle() const;
bool IsLoading() const;
bool IsWaitingForResponse() const;
void Stop();
void Reload();
void ReloadIgnoringCache();
bool CanGoBack() const;
bool CanGoForward() const;
bool CanGoToOffset(int offset) const;
void GoBack();
void GoForward();
void GoToIndex(int index);
void GoToOffset(int offset);
int GetRoutingID() const;
int GetProcessID() const;
bool IsCrashed() const;
void SetUserAgent(const std::string& user_agent);
void InsertCSS(const std::string& css);
void ExecuteJavaScript(const base::string16& code);
void OpenDevTools();
bool SendIPCMessage(const base::string16& channel,
const base::ListValue& args);
// Toggles autosize mode for corresponding <webview>.
void SetAutoSize(bool enabled,
const gfx::Size& min_size,
const gfx::Size& max_size);
// Sets the transparency of the guest.
void SetAllowTransparency(bool allow);
// Returns whether this is a guest view.
bool is_guest() const { return guest_instance_id_ != -1; }
// Returns whether this guest has an associated embedder.
bool attached() const { return !!embedder_web_contents_; }
content::WebContents* web_contents() const {
return content::WebContentsObserver::web_contents();
}
protected:
explicit WebContents(content::WebContents* web_contents);
explicit WebContents(const mate::Dictionary& options);
~WebContents();
// mate::Wrappable:
virtual mate::ObjectTemplateBuilder GetObjectTemplateBuilder(
v8::Isolate* isolate) override;
// content::WebContentsDelegate:
bool AddMessageToConsole(content::WebContents* source,
int32 level,
const base::string16& message,
int32 line_no,
const base::string16& source_id) override;
bool ShouldCreateWebContents(
content::WebContents* web_contents,
int route_id,
WindowContainerType window_container_type,
const base::string16& frame_name,
const GURL& target_url,
const std::string& partition_id,
content::SessionStorageNamespace* session_storage_namespace) override;
void CloseContents(content::WebContents* source) override;
content::WebContents* OpenURLFromTab(
content::WebContents* source,
const content::OpenURLParams& params) override;
void HandleKeyboardEvent(
content::WebContents* source,
const content::NativeWebKeyboardEvent& event) override;
// content::WebContentsObserver:
virtual void RenderViewDeleted(content::RenderViewHost*) override;
virtual void RenderProcessGone(base::TerminationStatus status) override;
virtual void DidFinishLoad(content::RenderFrameHost* render_frame_host,
const GURL& validated_url) override;
virtual void DidFailLoad(content::RenderFrameHost* render_frame_host,
const GURL& validated_url,
int error_code,
const base::string16& error_description) override;
virtual void DidStartLoading(
content::RenderViewHost* render_view_host) override;
virtual void DidStopLoading(
content::RenderViewHost* render_view_host) override;
virtual void DidGetRedirectForResourceRequest(
content::RenderViewHost* render_view_host,
const content::ResourceRedirectDetails& details) override;
virtual bool OnMessageReceived(const IPC::Message& message) override;
virtual void RenderViewReady() override;
virtual void WebContentsDestroyed() override;
// content::BrowserPluginGuestDelegate:
virtual void WillAttach(content::WebContents* embedder_web_contents,
const base::DictionaryValue& extra_params) override;
virtual content::WebContents* CreateNewGuestWindow(
const content::WebContents::CreateParams& create_params) override;
virtual void DidAttach() override;
virtual int GetGuestInstanceID() const override;
virtual void ElementSizeChanged(const gfx::Size& old_size,
const gfx::Size& new_size) override;
virtual void GuestSizeChanged(const gfx::Size& old_size,
const gfx::Size& new_size) override;
virtual void RequestPointerLockPermission(
bool user_gesture,
bool last_unlocked_by_target,
const base::Callback<void(bool enabled)>& callback) override;
virtual void RegisterDestructionCallback(
const DestructionCallback& callback) override;
private:
// Called when received a message from renderer.
void OnRendererMessage(const base::string16& channel,
const base::ListValue& args);
// Called when received a synchronous message from renderer.
void OnRendererMessageSync(const base::string16& channel,
const base::ListValue& args,
IPC::Message* message);
void GuestSizeChangedDueToAutoSize(const gfx::Size& old_size,
const gfx::Size& new_size);
// Unique ID for a guest WebContents.
int guest_instance_id_;
DestructionCallback destruction_callback_;
// Stores whether the contents of the guest can be transparent.
bool guest_opaque_;
// The extra parameters associated with this guest view passed
// in from JavaScript. This will typically be the view instance ID,
// the API to use, and view-specific parameters. These parameters
// are passed along to new guests that are created from this guest.
scoped_ptr<base::DictionaryValue> extra_params_;
// Stores the WebContents that managed by this class.
scoped_ptr<brightray::InspectableWebContents> storage_;
// The WebContents that attaches this guest view.
content::WebContents* embedder_web_contents_;
// The size of the container element.
gfx::Size element_size_;
// The size of the guest content. Note: In autosize mode, the container
// element may not match the size of the guest.
gfx::Size guest_size_;
// Indicates whether autosize mode is enabled or not.
bool auto_size_enabled_;
// The maximum size constraints of the container element in autosize mode.
gfx::Size max_auto_size_;
// The minimum size constraints of the container element in autosize mode.
gfx::Size min_auto_size_;
DISALLOW_COPY_AND_ASSIGN(WebContents);
};
} // namespace api
} // namespace atom
#endif // ATOM_BROWSER_API_ATOM_API_WEB_CONTENTS_H_