| // 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. |
| |
| #include "chrome/browser/android/omnibox/omnibox_prerender.h" |
| |
| #include "base/android/jni_string.h" |
| #include "base/logging.h" |
| #include "chrome/browser/android/tab_android.h" |
| #include "chrome/browser/predictors/autocomplete_action_predictor.h" |
| #include "chrome/browser/predictors/autocomplete_action_predictor_factory.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/browser/profiles/profile_android.h" |
| #include "components/omnibox/browser/autocomplete_match.h" |
| #include "components/omnibox/browser/autocomplete_result.h" |
| #include "content/public/browser/web_contents.h" |
| #include "jni/OmniboxPrerender_jni.h" |
| #include "url/gurl.h" |
| |
| using base::android::JavaParamRef; |
| using predictors::AutocompleteActionPredictor; |
| using predictors::AutocompleteActionPredictorFactory; |
| |
| OmniboxPrerender::OmniboxPrerender(JNIEnv* env, jobject obj) |
| : weak_java_omnibox_(env, obj) { |
| } |
| |
| OmniboxPrerender::~OmniboxPrerender() { |
| } |
| |
| static jlong JNI_OmniboxPrerender_Init(JNIEnv* env, |
| const JavaParamRef<jobject>& obj) { |
| OmniboxPrerender* omnibox = new OmniboxPrerender(env, obj); |
| return reinterpret_cast<intptr_t>(omnibox); |
| } |
| |
| void OmniboxPrerender::Clear(JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| const JavaParamRef<jobject>& j_profile_android) { |
| Profile* profile = ProfileAndroid::FromProfileAndroid(j_profile_android); |
| DCHECK(profile); |
| if (!profile) |
| return; |
| AutocompleteActionPredictor* action_predictor = |
| AutocompleteActionPredictorFactory::GetForProfile(profile); |
| action_predictor->ClearTransitionalMatches(); |
| action_predictor->CancelPrerender(); |
| } |
| |
| void OmniboxPrerender::InitializeForProfile( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| const JavaParamRef<jobject>& j_profile_android) { |
| Profile* profile = ProfileAndroid::FromProfileAndroid(j_profile_android); |
| // Initialize the AutocompleteActionPredictor for this profile. |
| // It needs to register for notifications as part of its initialization. |
| AutocompleteActionPredictorFactory::GetForProfile(profile); |
| } |
| |
| void OmniboxPrerender::PrerenderMaybe( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| const JavaParamRef<jstring>& j_url, |
| const JavaParamRef<jstring>& j_current_url, |
| jlong jsource_match, |
| const JavaParamRef<jobject>& j_profile_android, |
| const JavaParamRef<jobject>& j_tab) { |
| AutocompleteResult* autocomplete_result = |
| reinterpret_cast<AutocompleteResult*>(jsource_match); |
| Profile* profile = ProfileAndroid::FromProfileAndroid(j_profile_android); |
| base::string16 url_string = |
| base::android::ConvertJavaStringToUTF16(env, j_url); |
| base::string16 current_url_string = |
| base::android::ConvertJavaStringToUTF16(env, j_current_url); |
| content::WebContents* web_contents = |
| TabAndroid::GetNativeTab(env, j_tab)->web_contents(); |
| // TODO(apiccion) Use a delegate for communicating with web_contents. |
| // This can happen in OmniboxTests since the results are generated |
| // in Java only. |
| if (!autocomplete_result) |
| return; |
| if (!profile) |
| return; |
| |
| const AutocompleteResult::const_iterator default_match( |
| autocomplete_result->default_match()); |
| if (default_match == autocomplete_result->end()) |
| return; |
| |
| AutocompleteActionPredictor* action_predictor = |
| AutocompleteActionPredictorFactory::GetForProfile(profile); |
| if (!action_predictor) |
| return; |
| |
| action_predictor-> |
| RegisterTransitionalMatches(url_string, *autocomplete_result); |
| AutocompleteActionPredictor::Action recommended_action = |
| action_predictor->RecommendAction(url_string, *default_match); |
| |
| GURL current_url = GURL(current_url_string); |
| switch (recommended_action) { |
| case AutocompleteActionPredictor::ACTION_PRERENDER: |
| // Ask for prerendering if the destination URL is different than the |
| // current URL. |
| if (default_match->destination_url != current_url) { |
| DoPrerender( |
| *default_match, |
| profile, |
| web_contents); |
| } |
| break; |
| case AutocompleteActionPredictor::ACTION_PRECONNECT: |
| // TODO (apiccion) add preconnect logic |
| break; |
| case AutocompleteActionPredictor::ACTION_NONE: |
| break; |
| default: |
| NOTREACHED(); |
| break; |
| } |
| } |
| |
| void OmniboxPrerender::DoPrerender(const AutocompleteMatch& match, |
| Profile* profile, |
| content::WebContents* web_contents) { |
| DCHECK(profile); |
| if (!profile) |
| return; |
| DCHECK(web_contents); |
| if (!web_contents) |
| return; |
| gfx::Rect container_bounds = web_contents->GetContainerBounds(); |
| predictors::AutocompleteActionPredictorFactory::GetForProfile(profile)-> |
| StartPrerendering( |
| match.destination_url, |
| web_contents->GetController().GetDefaultSessionStorageNamespace(), |
| container_bounds.size()); |
| } |