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content / browser / file_system / file_system_url_drag_drop_browsertest.cc [blame]
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/shell/browser/shell.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "storage/browser/file_system/external_mount_points.h"
namespace content {
// End-to-end tests for drag and drop, including correct behavior of the
// DataTransferItem's getAsFile method.
class FileSystemURLDragDropBrowserTest : public ContentBrowserTest {
public:
void SetUp() override {
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
ASSERT_TRUE(embedded_test_server()->Start());
ContentBrowserTest::SetUp();
}
void TearDown() override {
ContentBrowserTest::TearDown();
ASSERT_TRUE(temp_dir_.Delete());
}
base::FilePath CreateTestFileInDirectory(const base::FilePath& directory_path,
const std::string& contents) {
base::ScopedAllowBlockingForTesting allow_blocking;
base::FilePath result;
EXPECT_TRUE(base::CreateTemporaryFileInDir(directory_path, &result));
EXPECT_TRUE(base::WriteFile(result, contents));
return result;
}
base::FilePath CreateTestDir() {
base::ScopedAllowBlockingForTesting allow_blocking;
base::FilePath result;
EXPECT_TRUE(base::CreateTemporaryDirInDir(
temp_dir_.GetPath(), FILE_PATH_LITERAL("test"), &result));
return result;
}
RenderWidgetHostImpl* GetRenderWidgetHostImplForMainFrame() {
WebContentsImpl* web_contents_impl =
static_cast<WebContentsImpl*>(shell()->web_contents());
return web_contents_impl->GetPrimaryMainFrame()->GetRenderWidgetHost();
}
protected:
base::ScopedTempDir temp_dir_;
};
IN_PROC_BROWSER_TEST_F(FileSystemURLDragDropBrowserTest, FileSystemFileDrop) {
// Get the RenderWidgetHostImpl for the main (and only) frame.
RenderWidgetHostImpl* render_widget_host_impl =
GetRenderWidgetHostImplForMainFrame();
DCHECK(render_widget_host_impl);
// Prepare the window for dragging and dropping.
GURL url = embedded_test_server()->GetURL("/title1.html");
ASSERT_TRUE(NavigateToURL(shell(), url));
// Prevent defaults of drag operations and create a promise that will resolve
// with the text from a dropped file after window.ondrop is called. The text
// is retrieved using the DataTransferItem getAsFile function. The promise
// will reject if zero/multiples items are dropped or if the item is not a
// file. This test will also ensure that certain drag handlers get an event
// with the DataTransferItemList populated (in the language of the spec,
// handlers where the expected "drag data store mode" is "protected mode").
ASSERT_TRUE(
ExecJs(shell(),
"const checkDataTransfer = (caller, event, reject) => {"
" if (event.dataTransfer.items.length !== 1) {"
" reject('There were ' + event.dataTransfer.items.length"
" + ' DataTransferItems in the list passed to the '"
" + caller + ' handler. Expected 1.');"
" }"
" if (event.dataTransfer.items[0].kind != 'file') {"
" reject('The DataTransferItem was of kind: '"
" + event.dataTransfer.items[0].kind + ' (in the '"
" + caller + ' handler). Expected file.');"
" }"
"};"
"const handled_events = [];"
"const expected_events = ["
" 'ondragenter',"
" 'ondragover',"
" 'ondrop',"
"];"
"var p = new Promise((resolve, reject) => {"
" window.ondragenter = async (event) => {"
" event.preventDefault();"
" checkDataTransfer('ondragenter', event, reject);"
" handled_events.push('ondragenter');"
" };"
" window.ondragover = async (event) => {"
" event.preventDefault();"
" checkDataTransfer('ondragover', event, reject);"
" handled_events.push('ondragover');"
" };"
" window.ondrop = async (event) => {"
" event.preventDefault();"
" checkDataTransfer('ondrop', event, reject);"
" handled_events.push('ondrop');"
" if (handled_events.length != expected_events.length) {"
" reject('Unexpected number of events handled: ' +"
" handled_events.length);"
" }"
" for (var i = 0; i < handled_events.length; i++) {"
" if (handled_events[i] != expected_events[i]) {"
" reject('Unexpected order of drag/drop handlers');"
" }"
" }"
" const fileItem = event.dataTransfer.items[0];"
" const file = fileItem.getAsFile();"
" var text = await file.text();"
" resolve(text);"
" }"
"});"));
// Create a directory and create a file inside the directory.
const base::FilePath test_dir_path = CreateTestDir();
std::string test_contents = "Debugged code is the best code.";
const base::FilePath file_inside_dir =
CreateTestFileInDirectory(test_dir_path, test_contents);
// Create a File System File from this local file
storage::ExternalMountPoints* external_mount_points =
storage::ExternalMountPoints::GetSystemInstance();
constexpr char testMountName[] = "DropFileSystemFileTestMount";
EXPECT_TRUE(external_mount_points->RegisterFileSystem(
testMountName, storage::kFileSystemTypeLocal,
storage::FileSystemMountOption(), test_dir_path));
storage::FileSystemURL original_file =
external_mount_points->CreateExternalFileSystemURL(
blink::StorageKey::CreateFirstParty(url::Origin::Create(url)),
testMountName, file_inside_dir.BaseName());
EXPECT_TRUE(original_file.is_valid());
// Get the points corresponding to the center of the browser window in
// both screen coordinates and window coordinates.
const gfx::Rect window_in_screen_coords =
render_widget_host_impl->GetView()->GetBoundsInRootWindow();
const gfx::PointF screen_point =
gfx::PointF(window_in_screen_coords.CenterPoint());
const gfx::PointF client_point =
gfx::PointF(window_in_screen_coords.width() / 2,
window_in_screen_coords.height() / 2);
// Drop the test file.
DropData::FileSystemFileInfo filesystem_file_info;
filesystem_file_info.url = original_file.ToGURL();
filesystem_file_info.size = test_contents.size();
filesystem_file_info.filesystem_id = original_file.filesystem_id();
DropData drop_data;
drop_data.operation = ui::mojom::DragOperation::kCopy;
drop_data.document_is_handling_drag = true;
drop_data.file_system_files.push_back(filesystem_file_info);
render_widget_host_impl->FilterDropData(&drop_data);
render_widget_host_impl->DragTargetDragEnter(
drop_data, client_point, screen_point,
blink::DragOperationsMask::kDragOperationEvery,
/*key_modifiers=*/0, base::DoNothing());
render_widget_host_impl->DragTargetDragOver(
client_point, screen_point,
blink::DragOperationsMask::kDragOperationEvery,
/*key_modifiers=*/0, base::DoNothing());
render_widget_host_impl->DragTargetDrop(drop_data, client_point, screen_point,
/*key_modifiers=*/0,
base::DoNothing());
// Expect the promise to resolve with `test_contents`.
EXPECT_EQ(test_contents, EvalJs(shell(), "p"));
EXPECT_TRUE(external_mount_points->RevokeFileSystem(testMountName));
}
IN_PROC_BROWSER_TEST_F(FileSystemURLDragDropBrowserTest, FileSystemFileLeave) {
// Get the RenderWidgetHostImpl for the main (and only) frame.
RenderWidgetHostImpl* render_widget_host_impl =
GetRenderWidgetHostImplForMainFrame();
DCHECK(render_widget_host_impl);
// Prepare the window for dragging and dropping.
GURL url = embedded_test_server()->GetURL("/title1.html");
ASSERT_TRUE(NavigateToURL(shell(), url));
// Prevent defaults of drag operations and create a promise that will resolve
// once window.ondragleave is called. The promise will reject if the
// DataTransferItemList in the event object passed to the ondragenter,
// ondragover, and ondragleave handlers contains zero/multiple items, or if
// the sole DataTransferItem has a `kind` that is not 'file'. This ensures
// that sufficient state is preserved across drag events to provide this data
// to JS.
ASSERT_TRUE(
ExecJs(shell(),
"const checkDataTransfer = (caller, event, reject) => {"
" if (event.dataTransfer.items.length !== 1) {"
" reject('There were ' + event.dataTransfer.items.length"
" + ' DataTransferItems in the list passed to the '"
" + caller + ' handler. Expected 1.');"
" }"
" if (event.dataTransfer.items[0].kind != 'file') {"
" reject('The DataTransferItem was of kind: '"
" + event.dataTransfer.items[0].kind + ' (in the '"
" + caller + ' handler). Expected file.');"
" }"
"};"
"const handled_events = [];"
"const expected_events = ["
" 'ondragenter',"
" 'ondragover',"
" 'ondragleave',"
"];"
"var p = new Promise((resolve, reject) => {"
" window.ondragenter = async (event) => {"
" event.preventDefault();"
" checkDataTransfer('ondragenter', event, reject);"
" handled_events.push('ondragenter');"
" };"
" window.ondragover = async (event) => {"
" event.preventDefault();"
" checkDataTransfer('ondragover', event, reject);"
" handled_events.push('ondragover');"
" };"
" window.ondragleave = async (event) => {"
" event.preventDefault();"
" checkDataTransfer('ondragleave', event, reject);"
" handled_events.push('ondragleave');"
" if (handled_events.length != expected_events.length) {"
" reject('Unexpected number of events handled: ' +"
" handled_events.length);"
" }"
" for (var i = 0; i < handled_events.length; i++) {"
" if (handled_events[i] != expected_events[i]) {"
" reject('Unexpected order of drag/drop handlers');"
" }"
" }"
" resolve('done');"
" }"
"});"));
// Create a directory and create a file inside the directory.
const base::FilePath test_dir_path = CreateTestDir();
std::string test_contents = "Irrelevant contents.";
const base::FilePath file_inside_dir =
CreateTestFileInDirectory(test_dir_path, test_contents);
// Create a File System File from this local file
storage::ExternalMountPoints* external_mount_points =
storage::ExternalMountPoints::GetSystemInstance();
constexpr char testMountName[] = "LeaveFileSystemFileTestMount";
EXPECT_TRUE(external_mount_points->RegisterFileSystem(
testMountName, storage::kFileSystemTypeLocal,
storage::FileSystemMountOption(), test_dir_path));
storage::FileSystemURL original_file =
external_mount_points->CreateExternalFileSystemURL(
blink::StorageKey::CreateFirstParty(url::Origin::Create(url)),
testMountName, file_inside_dir.BaseName());
EXPECT_TRUE(original_file.is_valid());
// Get the points corresponding to the center of the browser window in
// both screen coordinates and window coordinates.
const gfx::Rect window_in_screen_coords =
render_widget_host_impl->GetView()->GetBoundsInRootWindow();
const gfx::PointF screen_point =
gfx::PointF(window_in_screen_coords.CenterPoint());
const gfx::PointF client_point =
gfx::PointF(window_in_screen_coords.width() / 2,
window_in_screen_coords.height() / 2);
DropData::FileSystemFileInfo filesystem_file_info;
filesystem_file_info.url = original_file.ToGURL();
filesystem_file_info.size = test_contents.size();
filesystem_file_info.filesystem_id = original_file.filesystem_id();
DropData drop_data;
drop_data.operation = ui::mojom::DragOperation::kCopy;
drop_data.document_is_handling_drag = true;
drop_data.file_system_files.push_back(filesystem_file_info);
render_widget_host_impl->FilterDropData(&drop_data);
render_widget_host_impl->DragTargetDragEnter(
drop_data, client_point, screen_point,
blink::DragOperationsMask::kDragOperationEvery,
/*key_modifiers=*/0, base::DoNothing());
render_widget_host_impl->DragTargetDragOver(
client_point, screen_point,
blink::DragOperationsMask::kDragOperationEvery,
/*key_modifiers=*/0, base::DoNothing());
render_widget_host_impl->DragTargetDragLeave(client_point, screen_point);
// Expect the promise to resolve with `done`.
EXPECT_EQ("done", EvalJs(shell(), "p"));
EXPECT_TRUE(external_mount_points->RevokeFileSystem(testMountName));
}
} // namespace content