android content shell bringup.

content/browser/android/content_view_client.h

+// 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 CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CLIENT_H_
+#define CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CLIENT_H_
+#pragma once
+
+#include "base/android/jni_helper.h"
+#include "base/compiler_specific.h"
+#include "content/public/browser/native_web_keyboard_event.h"
+#include "content/public/browser/web_contents_delegate.h"
+#include "content/public/common/javascript_message_type.h"
+#include "content/public/common/referrer.h"
+#include "googleurl/src/gurl.h"
+#include "net/base/net_errors.h"
+
+class FindHelper;
+
+namespace content {
+class DownloadItem;
+struct FindMatchRect;
+class JavaScriptDialogCreator;
+class NativeWebKeyboardEvent;
+class RenderViewHost;
+class WebContents;
+}
+
+namespace content {
+
+// This enum must be kept in sync with ContentViewClient.java
+enum ContentViewClientError {
+  // Success
+  CONTENT_VIEW_CLIENT_ERROR_OK = 0,
+  // Generic error
+  CONTENT_VIEW_CLIENT_ERROR_UNKNOWN = -1,
+  // Server or proxy hostname lookup failed
+  CONTENT_VIEW_CLIENT_ERROR_HOST_LOOKUP = -2,
+  // Unsupported authentication scheme (not basic or digest)
+  CONTENT_VIEW_CLIENT_ERROR_UNSUPPORTED_AUTH_SCHEME = -3,
+  // User authentication failed on server
+  CONTENT_VIEW_CLIENT_ERROR_AUTHENTICATION = -4,
+  // User authentication failed on proxy
+  CONTENT_VIEW_CLIENT_ERROR_PROXY_AUTHENTICATION = -5,
+  // Failed to connect to the server
+  CONTENT_VIEW_CLIENT_ERROR_CONNECT = -6,
+  // Failed to read or write to the server
+  CONTENT_VIEW_CLIENT_ERROR_IO = -7,
+  // Connection timed out
+  CONTENT_VIEW_CLIENT_ERROR_TIMEOUT = -8,
+  // Too many redirects
+  CONTENT_VIEW_CLIENT_ERROR_REDIRECT_LOOP = -9,
+  // Unsupported URI scheme
+  CONTENT_VIEW_CLIENT_ERROR_UNSUPPORTED_SCHEME = -10,
+  // Failed to perform SSL handshake
+  CONTENT_VIEW_CLIENT_ERROR_FAILED_SSL_HANDSHAKE = -11,
+  // Malformed URL
+  CONTENT_VIEW_CLIENT_ERROR_BAD_URL = -12,
+  // Generic file error
+  CONTENT_VIEW_CLIENT_ERROR_FILE = -13,
+  // File not found
+  CONTENT_VIEW_CLIENT_ERROR_FILE_NOT_FOUND = -14,
+  // Too many requests during this load
+  CONTENT_VIEW_CLIENT_ERROR_TOO_MANY_REQUESTS = -15,
+};
+
+// Native mirror of ContentViewClient.java.  Uses as a client of
+// ContentView, the main FrameLayout on Android.
+class ContentViewClient : public WebContentsDelegate {
+ public:
+  ContentViewClient(JNIEnv* env, jobject obj);
+
+  static ContentViewClient* CreateNativeContentViewClient(JNIEnv* env,
+                                                          jobject obj);
+
+  // Called by ContentView:
+  void OnInternalPageLoadRequest(WebContents* source,
+                                 const GURL& url);
+  void OnPageStarted(const GURL& url);
+  void OnPageFinished(const GURL& url);
+  void OnLoadStarted();
+  void OnLoadStopped();
+  void OnReceivedError(int error_code,
+                       const string16& description,
+                       const GURL& url);
+  void OnReceivedHttpAuthRequest(jobject auth_handler,
+                                 const string16& host,
+                                 const string16& realm);
+  void OnDidCommitMainFrame(const GURL& url,
+                            const GURL& base_url);
+  void OnInterstitialShown();
+  void OnInterstitialHidden();
+
+  void SetFindHelper(FindHelper* find_helper);
+  void SetJavaScriptDialogCreator(
+      JavaScriptDialogCreator* javascript_dialog_creator);
+
+  bool OnJSModalDialog(JavaScriptMessageType type,
+                       bool is_before_unload_dialog,
+                       const GURL& url,
+                       const string16& message,
+                       const string16& default_value);
+
+  // Overridden from WebContentsDelegate:
+  virtual WebContents* OpenURLFromTab(
+      WebContents* source,
+      const OpenURLParams& params) OVERRIDE;
+  virtual bool ShouldIgnoreNavigation(
+      WebContents* source,
+      const GURL& url,
+      const Referrer& referrer,
+      WindowOpenDisposition disposition,
+      PageTransition transition_type) OVERRIDE;
+  virtual void NavigationStateChanged(const WebContents* source,
+                                      unsigned changed_flags) OVERRIDE;
+  virtual void AddNewContents(WebContents* source,
+                              WebContents* new_contents,
+                              WindowOpenDisposition disposition,
+                              const gfx::Rect& initial_pos,
+                              bool user_gesture) OVERRIDE;
+  virtual void ActivateContents(WebContents* contents) OVERRIDE;
+  virtual void DeactivateContents(WebContents* contents) OVERRIDE;
+  virtual void LoadingStateChanged(WebContents* source) OVERRIDE;
+  virtual void LoadProgressChanged(double load_progress) OVERRIDE;
+  virtual void CloseContents(WebContents* source) OVERRIDE;
+  virtual void MoveContents(WebContents* source,
+                            const gfx::Rect& pos) OVERRIDE;
+  // TODO(merge): WARNING! method no longer available on the base class.
+  // See http://b/issue?id=5862108
+  virtual void URLStarredChanged(WebContents* source, bool starred);
+  virtual void UpdateTargetURL(WebContents* source,
+                               int32 page_id,
+                               const GURL& url) OVERRIDE;
+  virtual bool CanDownload(RenderViewHost* source,
+                           int request_id,
+                           const std::string& request_method) OVERRIDE;
+  virtual void OnStartDownload(WebContents* source,
+                               DownloadItem* download) OVERRIDE;
+  virtual void FindReply(WebContents* tab,
+                         int request_id,
+                         int number_of_matches,
+                         const gfx::Rect& selection_rect,
+                         int active_match_ordinal,
+                         bool final_update) OVERRIDE;
+  virtual void OnReceiveFindMatchRects(int version,
+      const std::vector<FindMatchRect>& rects,
+      const FindMatchRect& active_rect) OVERRIDE;
+  virtual bool ShouldOverrideLoading(const GURL& url) OVERRIDE;
+  virtual void HandleKeyboardEvent(
+      const NativeWebKeyboardEvent& event) OVERRIDE;
+  virtual JavaScriptDialogCreator* GetJavaScriptDialogCreator() OVERRIDE;
+  virtual void RunFileChooser(
+      WebContents* tab,
+      const FileChooserParams& params) OVERRIDE;
+  virtual bool TakeFocus(bool reverse) OVERRIDE;
+
+  virtual ~ContentViewClient();
+
+ private:
+  // Get the closest ContentViewClient match to the given Chrome error code.
+  static ContentViewClientError ToContentViewClientError(int net_error);
+
+  // We use this to keep track of whether the navigation we get in
+  // ShouldIgnoreNavigation has been initiated by the ContentView or not.  We
+  // need the GURL, because the active navigation entry doesn't change on
+  // redirects.
+  GURL last_requested_navigation_url_;
+
+  // We depend on ContentView.java to hold a ref to the client object. If we
+  // were to hold a hard ref from native we could end up with a cyclic
+  // ownership leak (the GC can't collect cycles if part of the cycle is caused
+  // by native).
+  JavaObjectWeakGlobalRef weak_java_client_;
+
+  // Used to process find replies. Owned by the ContentView.  The ContentView
+  // NULLs this pointer when the FindHelper goes away.
+  FindHelper* find_helper_;
+
+  // The object responsible for creating JavaScript dialogs.
+  JavaScriptDialogCreator* javascript_dialog_creator_;
+};
+
+bool RegisterContentViewClient(JNIEnv* env);
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CLIENT_H_